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Principal software engineer jobs in Mercer Island, WA

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  • Software Dev Engineer

    Collabera 4.5company rating

    Principal software engineer job in Redmond, WA

    Title: Software Dev Engineer Required Skills & Qualifications 4-10 years of experience in software development. Strong proficiency in Python and backend development (APIs, business logic, integrations). Experience with AWS Lambda, DynamoDB, and serverless architecture. Hands-on experience with React for frontend development. Proficient in scripting (Python, Bash, or similar). Experience working with databases: Preferred: DynamoDB Also accepted: SQL-based DBs or MongoDB Solid understanding of REST APIs, microservices, and cloud-based application design. Nice-to-Have Skills Experience with CI/CD pipelines (CodePipeline, GitHub Actions, Jenkins, etc.) Knowledge of infrastructure-as-code tools such as CloudFormation, AWS CDK, or other IaC frameworks. Familiarity with containerization (Docker) is a plus. Benefits: The Company offers the following benefits for this position, subject to applicable eligibility requirements: medical insurance, dental insurance, vision insurance, 401(k) retirement plan, life insurance, long-term disability insurance, short-term disability insurance, paid parking/public transportation, (paid time , paid sick and safe time , hours of paid vacation time, weeks of paid parental leave, paid holidays annually - As Applicable)
    $103k-141k yearly est. 2d ago
  • Senior Staff Software Engineer

    Strategic Employment Partners (Sep 4.5company rating

    Principal software engineer job in Seattle, WA

    We are seeking a highly experienced Senior Staff Software Engineer to lead and deliver complex technical projects from inception to deployment. This role requires a strong background in software architecture, hands-on development, and technical leadership across the full software development lifecycle. This role is with a fast-growing technology company pioneering AI-driven solutions for real-world infrastructure. Backed by significant recent funding and valued at over $5 billion, the company is scaling rapidly across multiple verticals, including mobility, retail, and hospitality. Its platform leverages computer vision and cloud technologies to create frictionless, intelligent experiences, positioning it as a leader in the emerging Recognition Economy-a paradigm where physical environments adapt in real time to user presence and context. Required Qualifications 10+ years of professional software engineering experience. Proven track record of leading and delivering technical projects end-to-end. Strong proficiency in Java or Scala. Solid understanding of cloud technologies (AWS, GCP, or Azure). Experience with distributed systems, microservices, and high-performance applications. Preferred / Bonus Skills Advanced expertise in Scala. Prior experience mentoring engineers and building high-performing teams. Background spanning FAANG companies or high-growth startups. Exposure to AI/ML or general AI technologies.
    $137k-180k yearly est. 2d ago
  • C++ Software Engineer w/ radio frequency and signal processing

    Request Technology

    Principal software engineer job in Everett, WA

    NO SPOSORSHIP Sr. C++ Software Systems Engineer - radio frequency and signal processing SALARY: $165k - $205k plus 20% bonus LOCATION: EVERETT, WA 98204 - Must live within one hour drive to come into the office a couple times a month Strong radio frequency and signal processing background. You will develop radio frequency. CC++ extensive digital signal processing (DSP) and math background radio frequency (RF) windows networking and socket programming embedded software Solutions to ensure the efficient use of frequencies, long distance communications, monitoring and security communications intelligence applications, we improve communications and protect military forces and infrastructure around the world. This person will apply their strong radio frequency and signal processing background, and software development skills to meeting signal detection, identification, processing, geolocation and analysis challenges facing spectrum regulators, intelligence organizations and defense agencies around the globe. Perform QA testing and analysis of new hardware and software performance up to the system level. Develop automated QA test software and systems. Required Experience US Person or Permanent Resident Extensive experience in design, implementation and testing of complex realtime multithreaded software applications Extensive C/C++ software development experience (6+ years) Extensive Digital Signal Processing (DSP) and math background Radio Frequency (RF) theory and practice (propagation, antennas, receivers, signals, systems, etc.) RF Signals expertise, including signal modulation, demodulation, decoding and signal analysis techniques and tools Programming for Windows operating systems Networking and socket level programming Databases and database programming Ability to quickly learn and support a large existing C++ code base System QA testing, including developing and executing test plans and writing automated QA test programs Excellent communications skills Ability to write technical product documentation Preferred Knowledge, Skills, and Abilities SIGINT/COMINT/EW experience RF Direction Finding and Geolocation concepts, including AOA and TDOA Mapping concepts, standards, and programming Audio signal processing including analog and digital demodulation Drone signals and protocols (uplink and downlink including video) Experience operating commercial drones Full Motion Video (FMV) systems, including STANAG 4609, KLV Metadata, MPEG-2 Transport Stream, H.264/265 encoding Programming expertise: Highly proficient in C/C++ Multithreaded realtime processing Programming with Qt Programming in Python Embedded programming Realtime hardware control and data acquisition High performance graphics GUI design and programming Networking and socket level programming Databases and database programming (incl. SQL) XML and XML programming JSON and JSON programming API programming (developing and using) Software licensing AI concepts and programming Tools: RF Measurement equipment (VSA/spectrum analyzers, signal generators, and other electronic test equipment) Windows OS, including desktop, server and embedded variants Microsoft Visual Studio and TFS Qt Python Intel IPP InstallShield Postgres and Microsoft databases packages Experience with Visual Basic, MFC, C#, WPF/XAML and other Windows development tools/API's Linux OS 6+ years relevant work experience MSEE (or BSEE with extended relevant work experience) with emphasis on RF communication systems, Digital Signal Processing, and software
    $165k-205k yearly 1d ago
  • Android OS Software Engineer

    Insight Global

    Principal software engineer job in Redmond, WA

    Client: Fortune 500 Company Title: Android OS Software Engineer Duration: 12 month + 12 month extensions Pay Rate: $80-$85hr We're seeking an Android OS Software Engineer to build and evolve the Android stack across multiple internal platforms. You'll help platformize research efforts, developing core OS components, services, and display/graphics pathways that scale across devices. What you'll do Develop in the Android stack (frameworks, services, HALs, kernel where needed) across multiple platforms. Contribute to platformization: unify, harden, and standardize OS components for research and prototyping devices. Implement and optimize C++ code paths for performance, reliability, and maintainability. Bring up features on Qualcomm‑based hardware; debug system issues spanning OS, drivers, and services. Collaborate with cross‑functional teams to land changes, reviews, and releases. Must‑have qualifications C++ expertise for Android development (production‑level; debugging & performance tuning). Hands‑on experience with Android 14 (UpsideDownCake) or higher. Qualcomm platform experience (SoCs, BSPs, display/graphics, drivers, perf tools). Solid knowledge of AOSP/Android internals (frameworks, system services, HALs; Linux fundamentals). Nice‑to‑have Java experience within Android (beneficial but not required). Scripting (e.g., Python/Bash) for tooling, build, or automation. Benefit packages for this role will start on the 31st day of employment and include medical, dental, and vision insurance, as well as HSA, FSA, and DCFSA account options, and 401k retirement account access with employer matching. Employees in this role are also entitled to paid sick leave and/or other paid time off as provided by applicable law .
    $80-85 hourly 2d ago
  • AI Software Lead Architect

    Fusion Solutions, LLC 3.8company rating

    Principal software engineer job in Bellevue, WA

    Job Title: AI Software Lead Architect - Next-Gen Readiness We are looking for a visionary Software Lead Architect to spearhead the evolution of the Veloce platform by integrating next-generation technologies such as Agentic AI, AI/ML, and intelligent automation. This role is critical in shaping the platform's readiness for tomorrow's networks, ensuring scalability, adaptability, and intelligence at its core. ________________________________________ Key Responsibilities: • Technology Strategy & Vision o Define and drive the architectural roadmap for next-gen capabilities in the platform. o Evaluate and integrate emerging technologies such as Agentic AI, Generative AI, and advanced ML models. o Identify innovation opportunities aligned with future network demands (e.g., autonomous networks, edge intelligence, 6G readiness). • Architecture & Platform Design o Architect modular, scalable, and intelligent systems that can evolve with technological advancements. o Design AI/ML pipelines, agent-based systems, and data-driven decision-making frameworks. o Ensure interoperability, performance, and resilience in distributed environments. • Innovation & Prototyping o Lead rapid prototyping and proof-of-concept initiatives to validate new ideas and technologies. o Collaborate with research teams and external partners to stay ahead of the curve. • Collaboration & Leadership o Work closely with product managers, engineering teams, and customer stakeholders to align architecture with business goals. o Mentor teams on AI/ML best practices, agent-based design, and platform modernization. o Represent the architecture function in strategic planning and technical governance forums. ________________________________________ Required Qualifications: • Bachelor's or Master's degree in Computer Science, AI, or related field. • 8+ years of experience in software architecture, with a strong focus on AI/ML and distributed systems. • Proven experience designing and deploying AI/ML solutions in production environments. • Deep understanding of Agentic AI concepts, multi-agent systems, and intelligent orchestration. • Familiarity with cloud-native architectures, microservices, and event-driven systems. ________________________________________ Preferred Skills: • Experience with LLMs, reinforcement learning, or autonomous agents. • Hands-on experience with AI/ML frameworks (e.g., TensorFlow, PyTorch, LangChain). • Knowledge of network technologies and future trends (e.g., 5G/6G, edge computing). • Strong communication and leadership skills with a passion for innovation.
    $122k-173k yearly est. 2d ago
  • AI Software Lead Architect

    Motion Recruitment 4.5company rating

    Principal software engineer job in Bellevue, WA

    Our client is a global software and services provider supporting leading telecommunications and media companies. Based out of Bellevue Washington they are looking to hire an AI Software Lead Architect on a Contract basis. Contract Duration: 18 Month Contract (Potential for extension) Required Skills & Experience • Bachelor's or Master's degree in Computer Science, AI, or related field. • 8+ years of experience in software architecture, with a strong focus on AI/ML and distributed systems. • Proven experience designing and deploying AI/ML solutions in production environments. • Deep understanding of Agentic AI concepts, multi-agent systems, and intelligent orchestration. • Familiarity with cloud-native architectures, microservices, and event-driven systems. Desired Skills & Experience • Experience with LLMs, reinforcement learning, or autonomous agents. • Hands-on experience with AI/ML frameworks (e.g., TensorFlow, PyTorch, LangChain). • Knowledge of network technologies and future trends (e.g., 5G/6G, edge computing). • Strong communication and leadership skills with a passion for innovation Daily Responsibilities • Technology Strategy & Vision o Define and drive the architectural roadmap for next-gen capabilities in the platform. o Evaluate and integrate emerging technologies such as Agentic AI, Generative AI, and advanced ML models. o Identify innovation opportunities aligned with future network demands (e.g., autonomous networks, edge intelligence, 6G readiness). • Architecture & Platform Design o Architect modular, scalable, and intelligent systems that can evolve with technological advancements. o Design AI/ML pipelines, agent-based systems, and data-driven decision-making frameworks. o Ensure interoperability, performance, and resilience in distributed environments. • Innovation & Prototyping o Lead rapid prototyping and proof-of-concept initiatives to validate new ideas and technologies. o Collaborate with research teams and external partners to stay ahead of the curve. • Collaboration & Leadership o Work closely with product managers, engineering teams, and customer stakeholders to align architecture with business goals. o Mentor teams on AI/ML best practices, agent-based design, and platform modernization. o Represent the architecture function in strategic planning and technical governance forums. You will receive the following benefits: Medical Insurance - Four medical plans to choose from for you and your family Dental & Orthodontia Benefits Vision Benefits Health Savings Account (HSA) Health and Dependent Care Flexible Spending Accounts Voluntary Life Insurance, Long-Term & Short-Term Disability Insurance Hospital Indemnity Insurance 401(k) including match with pre and post-tax options Paid Sick Time Leave Legal and Identity Protection Plans Pre-tax Commuter Benefit 529 College Saver Plan Motion Recruitment Partners (MRP) is an Equal Opportunity Employer. All applicants must be currently authorized to work on a full-time basis in the country for which they are applying, and no sponsorship is currently available. Employment is subject to the successful completion of a pre-employment screening. Accommodation will be provided in all parts of the hiring process as required under MRP's Employment Accommodation policy. Applicants need to make their needs known in advance.
    $123k-175k yearly est. 2d ago
  • BE Software Engineer (Block Storage)

    Bayside Solutions 4.5company rating

    Principal software engineer job in Seattle, WA

    Backend Software Engineer (Block Storage) W2 Contract Salary Range: $114,400 - $135,200 per year We are looking for collaborative, curious, and pragmatic Software Engineers to be part of this innovative team. You will be able to shape the product's features and architecture as it scales orders of magnitude. Being part of our Cloud Infrastructure organization opens the door to exerting cross-functional influence and making a more significant organizational impact. Requirements and Qualifications: Proficient with UNIX/Linux Coding skills in one or more of these programming languages: Rust, C++, Java or C# Experience with scripting languages (Bash, Python, Perl) Excellent knowledge of software testing methodologies & practices 2 years of professional software development experience Strong ownership and track record of delivering results Excellent verbal and written communication skills Bachelor's Degree in Computer Science, an engineering-related field, or equivalent related experience. Preferred Qualifications: Proficiency in Rust Experience with high-performance asynchronous IO systems programming Knowledge on distributed systems Desired Skills and Experience Proficient with UNIX/Linux, Rust, C++, Java, C#, Bash, Python, Perl, software testing methodologies, professional software development, strong ownership, results-driven delivery, excellent communication skills, computer science or engineering degree, high-performance asynchronous IO systems programming, distributed systems Bayside Solutions, Inc. is not able to sponsor any candidates at this time. Additionally, candidates for this position must qualify as a W2 candidate. Bayside Solutions, Inc. may collect your personal information during the position application process. Please reference Bayside Solutions, Inc.'s CCPA Privacy Policy at *************************
    $114.4k-135.2k yearly 2d ago
  • DevOps Engineer

    OSI Engineering 4.6company rating

    Principal software engineer job in Seattle, WA

    A globally leading consumer device company based in Seattle, WA is looking for a DevOps Engineer, Cloud Infrastructure to join their dynamic team! Job Responsibilities: • Manage Kubernetes clusters by performing improvements and regular maintenance. Perform cloud infrastructure operational tasks. • Perform Database administration tasks including migration, instrumenting of telemetry, performance monitoring, cost monitoring and consolidation. • CI/CD-focused projects that include implementing features for GitOps + software lifecycle tooling and processes. Required Skills:5 years of relevant experience 3-5 years experience with Kubernetes (configuration, operations, deployment),and related technologies: Helm, ArgoCD, GitOps. 3-5 years experience with AWS and database administration: Postgres, RDS (eg. Aurora) 3 years experience in Python + Bash scripting Operational Experience with cloud-based service infrastructure (DNS, loadbalancing, ingress, telemetry and logging) Type: Contract Duration: 9 months with extension Work Location: Seattle, WA (Remote) Pay range: $ 74.00 - $ 89.00 (DOE)
    $74-89 hourly 4d ago
  • Senior Software Engineer (Azure Databricks, DLT Pipelines, Terraform Dev, CD/CI, Data Platform) Contract at Bellevue, WA

    Red Oak Technologies 4.0company rating

    Principal software engineer job in Bellevue, WA

    Senior Software Engineer (Azure Databricks, DLT Pipelines, Coding, CD/CI, Data Platform & Data Integration) Contract at Bellevue, WA Must Have Experience: Hands-on experience with Azure Databricks/DLT Pipelines (Delta Live Tables) Good programming skills - C#, Java or Python CI/CD experience Data platform/Data integration experience The Role / Responsibilities The Senior Software Engineer, is a hands-on engineer who works from design through implementation of large-scale systems that is data centric for the MA Platform. This is a thought leadership role in the Data Domain across all of Client's' Analytics, with the expectation that the candidate will demonstrate and propagate best practices and processes in software development. The candidate is expected to drive things on their own with minimal supervision from anyone. • Design, code, test, and develop features to support large-scale data processing pipelines, for our multi-cloud SaaS platform with good quality, maintainability, and end to end ownership. • Define and leverage data models to understand cost drivers, to create concrete action plans that address platform concerns on Data. Qualifications • 5+ years of experience in building and shipping production grade software systems or services, with one or more of the following: Distributed Systems, large-scale data processing, data storage, Information Retrieval and/or Data Mining, Machine Learning fundamentals. • BS/MS/ in Computer Science or equivalent industry experience. • Experience building and operating online services and fault-tolerant distributed systems at internet scale. • Demonstrable experience shipping software, internet scale services using GraphQL/REST API(s) on Microsoft Azure and/or Amazon Web Services(AWS) cloud. • Experience writing code in C++/C#/Java using agile and test-driving development (TDD). • 3+ years in cloud service development - Azure or AWS services. Preferred Qualifications • Excellent verbal and written communications skills (to engage with both technical and non-technical stakeholders at all levels). • Familiarity with Extract Transform Load (ETL) Pipelines, Data Modelling, Data Engineering and past ML experience is a plus. • Experience in Data Bricks and/or Microsoft Fabric will be an added plus. • Hands-on experience using distributed computing platforms like Apache Spark, Apache Flink Apache Kafka or Azure EventHub.
    $125k-176k yearly est. 3d ago
  • Software Engineer II

    Pyramid Consulting, Inc. 4.1company rating

    Principal software engineer job in Redmond, WA

    Immediate need for a talented Software Engineer II. This is a 12 months contract opportunity with long-term potential and is located in Redmond, WA (Onsite). Please review the job description below and contact me ASAP if you are interested. Job ID: 25-95396 Pay Range: $70 - $73/hour. Employee benefits include, but are not limited to, health insurance (medical, dental, vision), 401(k) plan, and paid sick leave (depending on work location). Key Responsibilities: Design, implement, and optimize audio signal processing algorithms in Python and C . Develop systems and frameworks for simulating audio processing pipelines. Build scalable solutions for storage, retrieval, and analysis of audio performance measurement data. Collaborate with cross-functional teams to create and leverage audio performance evaluation tools. Document code, algorithms, and system architectures for internal and external stakeholders. Participate in code and design reviews Key Requirements and Technology Experience: Key skills; "Python", "C ", "Audio”, "DSP” Bachelor's degree in Computer Science, Electrical Engineering, Audio Engineering, or related field. 2 years of experience in software development with Python and C . Understanding of digital signal processing (DSP) concepts and algorithms. Experience with data storage, retrieval, and analysis systems (e.g., SQL, NoSQL, or similar). Strong problem-solving skills and ability to work independently. Excellent written and verbal communication skills. Master's degree or higher in a relevant field. Experience with real-time audio processing and optimization. Familiarity with audio measurement and performance analysis tools. Experience developing simulation frameworks for audio or related domains. Knowledge of cloud-based data storage and analytics platforms. Prior experience working in a large-scale, collaborative engineering environment. Our client is a leading Meta Industry, and we are currently interviewing to fill this and other similar contract positions. If you are interested in this position, please apply online for immediate consideration. Pyramid Consulting, Inc. provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. By applying to our jobs you agree to receive calls, AI-generated calls, text messages, or emails from Pyramid Consulting, Inc. and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy here.
    $70-73 hourly 1d ago
  • Senior UX Developer

    Centific

    Principal software engineer job in Bellevue, WA

    Role: UX Developer - Frontend Systems & Design Stack: TypeScript, Vite, React Employment Type: Full-Time About Your Role We're looking for a UX-focused Frontend Developer who can bring clean, scalable, and intuitive interfaces to life, ith minimal design oversight. Our mission is deeply impactful, and your work will shape how operators interact with AI and simulation systems designed to safeguard our country. You'll help define reusable component systems and build UX patterns that withstand complexity. This role is perfect for someone who codes with craft and cares about every user interaction, from micro-interactions to performance. Build the interface to the future. Your code will not only enable national security but drive how humans collaborate with AI in critical missions. Key Responsibilities Build and maintain reusable, high-quality UI components Translate complex agent behaviours and simulation results into usable interfaces Own frontend architecture decisions and interaction paradigms Collaborate closely with backend and AI teams to integrate data-rich UIs Ideal Candidate: Deep expertise in TypeScript and modern frontend tooling (Vite, React) Passion for interaction design and performance at scale Self-directed with strong product instincts and attention to UX details Eager to work on purpose-driven, impactful technology Benefits: Comprehensive healthcare, dental, and vision coverage 401k plan Paid time off (PTO) And more! Company Overview: Centific is a frontier AI data foundry that curates diverse, high-quality data, using our purpose-built technology platforms to empower the Magnificent Seven and our enterprise clients with safe, scalable AI deployment. Our team includes more than 150 PhDs and data scientists, along with more than 4,000 AI practitioners and engineers. We harness the power of an integrated solution ecosystem-comprising industry-leading partnerships and 1.8 million vertical domain experts in more than 230 markets-to create contextual, multilingual, pre-trained datasets; fine-tuned, industry-specific LLMs; and RAG pipelines supported by vector databases. Our zero-distance innovation™ solutions for GenAI can reduce GenAI costs by up to 80% and bring solutions to market 50% faster. Our mission is to bridge the gap between AI creators and industry leaders by bringing best practices in GenAI to unicorn innovators and enterprise customers. We aim to help these organizations unlock significant business value by deploying GenAI at scale, helping to ensure they stay at the forefront of technological advancement and maintain a competitive edge in their respective markets. Learn more about us at www. centific.com Centific is an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, ancestry, citizenship status, age, mental or physical disability, medical condition, sex (including pregnancy), gender identity or expression, sexual orientation, marital status, familial status, veteran status, or any other characteristic protected by applicable law. We consider qualified applicants regardless of criminal histories, consistent with legal requirements.
    $110k-152k yearly est. 1d ago
  • Software Engineer

    Talent Software Services 3.6company rating

    Principal software engineer job in Redmond, WA

    Are you an experienced Software Engineer with a desire to excel? If so, then Talent Software Services may have the job for you! Our client is seeking an experienced Software Engineer to work at their company in Redmond, WA. The main function of a Lab/Test Engineer at this level is to apply configuration skills at an intermediate to high level. The Test Engineer will analyze, design and develop test plans and should be familiar with at least one programming language. We're on the lookout for a contract Engineer with extensive experience in configuring and testing hardware devices across Windows Server and Ubuntu Server platforms. The ideal candidate will not only be technically adept but also possess strong analytical skills, capable of producing comprehensive and detailed reports. Proficiency in scripting languages is essential. The role involves deploying and managing test machines, refining test plans, executing test cases, performing hardware diagnostics, troubleshooting issues, and collaborating closely with the development team to advance the functionality of hardware systems. Experience with CI/CD pipelines, C++ and Rust development will be considered a significant asset. The main function of a Lab/Test Engineer at this level is to apply configuration skills at an intermediate to high level. The Test Engineer will analyse, design and develop test plans and should be familiar with at least one programming language. Primary Responsibilities/Accountabilities: Perform repeatable testing procedures and processes. Verify triggers, stored procedures, referential integrity, hardware product or system specifications. Interpret and modify code as required, which may include C/C++, C,# batch files, make files, Perl scripts, queries, stored procedures and/or triggers. Identifies and defines project team quality and risk metrics. Provides assistance to other testers. Designs and develops robust automated test harnesses with a focus on Application/System/Inter-System level issues. Perform job functions within the scope of application/system performance, threading issues, bottleneck identification, writing small footprint and less intrusive code for critical code testing, tackling system/application intermittent failures, etc. Purpose of the Team: The purpose of this team is to focus on security hardware and intellectual property. Their work is primarily open source, with some potential for internal code review. Key projects: This role will contribute to supporting development and testing for technologies deployed in the Azure fleet. Typical task breakdown and operating rhythm: The role will consist of 10% meetings, 10% reporting, and 80% heads down (developing and testing). Qualifications: Years of Experience Required: 8-10+ overall years of experience in the field. Degrees or certifications required: N/A Best vs. Average: The ideal resume would contain Rust experience, experience with open-source projects, Performance Indicators: Performance will be assessed based on quality of work, meeting deadlines, and flexibility. Minimum 8+ years of experience with test experience with data centre/server hardware. Minimum 8+ years of experience with development experience with C++ (and Python). Minimum 2+ years of experience with an understanding of CI/CD and ADO pipelines.\ Software testing experience in Azure Cloud/Windows/Linux server environments required. Ability to read and write at least one programming language such as C#, C/C++, SQL, etc, RUST is a plus! Knowledge of software quality assurance practices, with strong testing aptitude. Knowledge of personal computer hardware is required as is knowledge of deploying and managing hosts and virtual test machines Knowledge of internet protocols and networking fundamentals preferred. Must have a solid understanding of the software development cycle. Demonstrated project management ability required. Experience with CI/CD pipelines Bachelor's degree in Computer Science required and some business/functional knowledge and/or industry experience preferred. 5-7 years' experience. 8-10 years' experience. Preferred: Database programming experience, i.e. SQL Server, Sybase, Oracle, Informix and/or DB2 may be required. Software testing experience in a Web-based or Windows client/server environment required. Experience in development and/or database administration experience using a product is required. Ability to read and write at least one programming language, such as C#, C/C++, SQL, etc. Knowledge of software quality assurance practices, with strong testing aptitude. Knowledge of personal computer hardware may be required. Knowledge of internet protocols and networking fundamentals preferred. Must have a solid understanding of the software development cycle. Demonstrated project management ability required.
    $109k-145k yearly est. 1d ago
  • Senior NX Software Developer: 25-07227

    Akraya, Inc. 4.0company rating

    Principal software engineer job in Redmond, WA

    Primary Skills: NXOpen (Expert), C# (Advanced), AWS (Proficient), .NET (Proficient), CAD-Customization (Proficient) Contract Type: W2 Duration: 6 Months with possible extension Pay Range: $75.00 - $80.00 Per hour #LP Note: Due to export control laws, candidates must be a U.S. citizen, U.S. permanent resident, or lawfully admitted as a refugee or granted asylum. Job Summary: This role involves developing custom NX features and applications, crafting desktop applications to interact with NX and various engineering data, and collaborating with engineering teams to support and enhance process flows. The ideal candidate will have extensive experience in CAD software development, a deep understanding of Siemens NX, and proficiency in relevant programming interfaces and languages. Key Responsibilities: Develop custom NX features and applications using NXOpen (C#, Python, .NET) Create desktop applications for interfacing with NX, Teamcenter, and ERP systems Collaborate with engineering teams to provide technical support and process development Integrate CAD systems with PLM, ERP, and other enterprise software Participate in the development and support of NX upgrades and related solutions Must-Have Skills: Expertise in NXOpen (C#, Python, .NET) Proficiency in programming languages (C#, .NET) Knowledge and experience with PLM and ERP systems Industry Experience: Experience in CAD software development and customization, specifically with Siemens NX ABOUT AKRAYA Akraya is an award-winning IT staffing firm consistently recognized for our commitment to excellence and a thriving work environment. Most recently, we were recognized Inc's Best Workplaces 2024 and Silicon Valley's Best Places to Work by the San Francisco Business Journal (2024) and Glassdoor's Best Places to Work (2023 & 2022)! Industry Leaders in IT Staffing As staffing solutions providers for Fortune 100 companies, Akraya's industry recognitions solidify our leadership position in the IT staffing space. We don't just connect you with great jobs, we connect you with a workplace that inspires! Join Akraya Today! Let us lead you to your dream career and experience the Akraya difference. Browse our open positions and join our team!
    $75-80 hourly 3d ago
  • SAP ABAP Technical Lead with C2R

    Tata Consultancy Services 4.3company rating

    Principal software engineer job in Seattle, WA

    Experience working in UI5 implementation projects in developing Free Style Custom UI5 application from scratch Experience in Extension Adaption Project Very good experience in UI5 concepts like Fragments, Routing etc Experience working in SAP ABAP programming like OData, CDS, Enhancements etc Experience in using GitHub for versioning Experience with SAP S/4 HANA implementation Good knowledge of JavaScript, HTML/CSS Strong understanding of SAP modules and business processes. Excellent problem-solving and analytical skills. Effective communication and collaboration skills. Excellent communication skills, proven both in relations with teammates, partners, customers, and external stakeholders Base Salary Range: $150,000 - $170,000 per annum TCS Employee Benefits Summary: Discretionary Annual Incentive. Comprehensive Medical Coverage: Medical & Health, Dental & Vision, Disability Planning & Insurance, Pet Insurance Plans. Family Support: Maternal & Parental Leaves. Insurance Options: Auto & Home Insurance, Identity Theft Protection. Convenience & Professional Growth: Commuter Benefits & Certification & Training Reimbursement. Time Off: Vacation, Time Off, Sick Leave & Holidays. Legal & Financial Assistance: Legal Assistance, 401K Plan, Performance Bonus, College Fund, Student Loan Refinancing.
    $150k-170k yearly 1d ago
  • AS400 Technical Lead

    Allianceit Inc.

    Principal software engineer job in Issaquah, WA

    We are looking for an experienced AS400 Lead with strong hands-on expertise in RPGLE, SQL, and CL programming on iSeries (AS/400). The candidate will lead development activities, support project delivery, mentor team members, and work closely with stakeholders to deliver high-quality solutions. Must Have Skills 8+ years of experience in AS400/iSeries development Strong hands-on experience with RPGLE, SQL, and CL Experience in application development, enhancement, and maintenance Ability to lead technical teams and manage complex modules Key Responsibilities Design, develop, code, test, debug, and document AS400 applications Lead code reviews and ensure adherence to coding standards and best practices Interpret functional and technical designs and implement solutions accordingly Optimize application performance, quality, and cost Support Project Manager with estimates, planning, and delivery execution Manage defects, perform root cause analysis (RCA), and implement corrective actions Collaborate with business users and customers for requirement clarification Provide technical guidance and mentorship to team members Participate in design discussions (HLD, LLD) and release activities Ensure compliance with SDLC, Agile, and configuration management processes Nice to Have Exposure to Agile/Scrum methodology Experience interacting directly with customers Prior onsite or client-facing experience Performance Expectations Timely delivery with high-quality, defect-free code Compliance with engineering standards and project timelines Effective team collaboration and customer satisfaction Active contribution to knowledge sharing and documentation
    $85k-119k yearly est. 2d ago
  • 2026 Intern - Software Engineer

    Adobe Systems Incorporated 4.8company rating

    Principal software engineer job in Seattle, WA

    Our Company Changing the world through digital experiences is what Adobe's all about. We give everyone-from emerging artists to global brands-everything they need to design and deliver exceptional digital experiences! We're passionate about empowering people to create beautiful and powerful images, videos, and apps, and transform how companies interact with customers across every screen. We're on a mission to hire the very best and are committed to creating exceptional employee experiences where everyone is respected and has access to equal opportunity. We realize that new ideas can come from everywhere in the organization, and we know the next big idea could be yours! The Opportunity Adobe is seeking talented and passionate Software Engineer interns across all organizations to help plan, design, develop, and test software systems or applications for software enhancements and new products used in local, networked, cloud-based or Internet-related computer programs and products. Adobe software engineer interns can work directly on products for our Creative Cloud, Document Cloud, or Experience Cloud teams, or they can be immersed in the world of our cloud-based platform - diving into components of our infrastructure or solving problems with big data. We have openings for all interests - web developers, mobile developers, data engineers, frontend development, back-end development, full stack development - the opportunities are endless! All 2026 Adobe interns will be co-located hybrid. This means that interns will work between their assigned office and home. Interns will be based in the office where their manager and/or team are located, where they will get the most support to ensure collaboration and the best employee experience. Managers and their organization will determine the frequency they need to go into the office to meet priorities. What You'll Do * Develop high-performance, reliable, testable and maintainable code. * Participating in all aspects of software development activities, including design, coding, code review, testing, bug fixing, and code/API documentation. * Collaborate with engineers and participate in daily or weekly stand ups and meetings. * Grow with the support of your team and help others on the team grow by providing thoughtful feedback and uplifting those around you. * Work both independently and collaboratively within a fast-paced development team, with clear, positive, and constructive communication. * Additional responsibilities as needed based on specific role or team What You Need to Succeed * Currently enrolled full time and pursuing a Bachelor's or Master's in Computer Science, Computer Engineering, Electrical Engineering, or equivalent experience required with an expected graduation date of December 2026 - June 2027 * Strong technical background with analytical and problem-solving skills * Previous related experience in software engineering (applicable coursework, projects, internships, etc.) * Proficiency and experience with at least one or more of the following: Java, C++, JavaScript, Python * Familiar with the software development lifecycle - designing, developing, deploying, and maintaining web and mobile apps * Results-oriented, with ability and interest in learning new technologies and adapting quickly to new requirements and environments * Excellent verbal and written communication skills; can effectively articulate complex ideas and influence others through well-reasoned explanations. * Ability to participate in a full-time internship between May-September Our compensation reflects the cost of labor across several U.S. geographic markets, and we pay differently based on those defined markets. The U.S. pay range for this position is $38.00 -- $51.00 hourly. Your recruiter can share more about the specific pay rate for your job location during the hiring process. State-Specific Notices: California: Fair Chance Ordinances Adobe will consider qualified applicants with arrest or conviction records for employment in accordance with state and local laws and "fair chance" ordinances. Colorado: Application Window Notice There is no deadline to apply to this job posting because Adobe accepts applications for this role on an ongoing basis. The posting will remain open based on hiring needs and position availability. Massachusetts: Massachusetts Legal Notice It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability. Adobe is proud to be an Equal Employment Opportunity employer. We do not discriminate based on gender, race or color, ethnicity or national origin, age, disability, religion, sexual orientation, gender identity or expression, veteran status, or any other applicable characteristics protected by law. Learn more. Adobe aims to make Adobe.com accessible to any and all users. If you have a disability or special need that requires accommodation to navigate our website or complete the application process, email accommodations@adobe.com or call **************.
    $38-51 hourly 60d+ ago
  • AR/VR Applications Engineer - Photos, Vision Products Software

    Apple Inc. 4.8company rating

    Principal software engineer job in Seattle, WA

    Apple is where individual imaginations gather together, committing to the values that lead togreat work. Every new product we build, service we create, or Apple Store experience we deliver is the result of us making each other's ideas stronger. That happens because every one of us shares a belief that we can make something wonderful and share it with the world, changing lives for the better. It's the diversity of our people and their thinking that inspires the innovation that runs through everything we do. When we bring everybody in, we can do the best work of our lives. Here, you'll do more than join something - you'll add something. Apple Vision Pro is a revolutionary spatial computer that seamlessly blends digital content with your physical space. It will allow us to do the things we love in ways never before possible - all while staying connected to the people around us. This Vision Pro team is looking for Applications Engineers to help us build the next generation of features for the Photos app on the Apple Vision Pro. This team works with cutting edge AR/VR technology to create magical experiences for our customers with their most personal and cherished content. As a member of our organization you will assist us in crafting future products that will delight, inspire and empower millions of people. You will work on Photos; a productivity app that ships with every Apple Vision Pro which allows users to experience their most personal and cherished home photos and videos in a brand new and exciting way. You will work closely with Apple's framework teams and Human Interface designers - pushing you to think outside-the-box, and solve incredibly challenging and interesting problems in AR/VR. You will work with technologies such as RealityKit, SwiftUI and ARKit. You will have access to a wide variety of internal frameworks and services that will allow you to create an application that is deeply integrated into our operating systems. Familiarity with any of the following Apple technologies: SwiftUI, UIKit, ARKit, Metal, RealityKit. Proficiency in iOS development practices. Experience in 3D Graphics, Real Time Graphics, or 3D Math. Experience building AR/VR apps either professionally or personally. Interest or proficiency in UI/UX design. Interest in photography or videography 3 + years experience in software development. Experience building complex applications that are functional, beautiful and delightful. Experience with App development concepts using frameworks like SwiftUI, UIKit, ARKit, ARCore Attention to detail, creativity, and a passion for spatial computing. Ability to collaborate and work in a highly cross-functional environment. Proficiency in an application programming language, such as Swift, Objective-C, C/C++, etc.
    $135k-174k yearly est. 60d+ ago
  • Software Engineer, Application

    Meta 4.8company rating

    Principal software engineer job in Redmond, WA

    Meta Reality Labs is seeking a Software Engineer, Application to join our Ophthalmic Precision Optics (OPO) team, driving algorithmic innovation and software architecture evolution for precision optical 3D printing systems. You will work directly with our Printer Application Engineers to integrate cutting-edge algorithms into our platform while improving our extensive codebase for enhanced modularity and cross-generation hardware support.As part of our mission to enable mass customization of ophthalmic lenses for AR/VR glasses, you will be instrumental in developing and optimizing algorithms that power our optical additive manufacturing technology. This role offers the opportunity to work on complex algorithmic challenges while collaborating cross-functionally with materials, process, and hardware engineers across our global facilities. **Required Skills:** Software Engineer, Application Responsibilities: 1. Collaborate with the process team to design, develop, and optimize slicing and compensation algorithms for precision optical 3D printing, integrating them into the printer platform 2. Design hardware-agnostic software interfaces and establish clean separation between algorithmic components and hardware control systems 3. Architect modular, extensible solutions that support future printer generations and maintainability 4. Partner with cross-functional teams (materials, process, hardware engineers) across global facilities 5. Collaborate with external hardware partners Original Design Manufacturers/Original Equipment Manufacturers (ODMs/OEMs) on specifications and integration requirements 6. Build and maintain production-grade manufacturing systems with high reliability and fault tolerance **Minimum Qualifications:** Minimum Qualifications: 7. Bachelor's degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience 8. 5+ years of experience as a full stack software developer 9. In-depth experience of C# and .NET frameworks, and large-scale application development 10. Mandatory experience building and deploying production systems, ideally for manufacturing or similar high-reliability environments 11. Application architecture experience including modular design patterns, scalability considerations, and maintainable code practices 12. Proven experience in cross-functional collaboration and requirements management skills 13. Experience working with complex algorithms and computational optimization **Preferred Qualifications:** Preferred Qualifications: 14. Knowledge of 3D printing technologies Stereolithography (SLA), Selective Laser Sintering (SLS), Digital Light Processing(DLP) and additive manufacturing processes 15. Experience with optical engineering principles or precision manufacturing systems 16. Experience designing systems to support international data regulations and compliance requirements 17. Experience with corporate system integrations and complex stakeholder management across technical organizations 18. Background in manufacturing software, industrial automation, or similar production environments 19. Experience with metrology systems, sensor integration, and real-time data processing 20. Knowledge of computer vision and image processing algorithms 21. GPU programming experience with Compute Unified Device Architecture (CUDA) for high-performance computing and algorithm acceleration 22. Familiarity with Agile development methodologies and modern software development practices **Public Compensation:** $85.10/hour to $251,000/year + bonus + equity + benefits **Industry:** Internet **Equal Opportunity:** Meta is proud to be an Equal Employment Opportunity and Affirmative Action employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender, gender identity, gender expression, transgender status, sexual stereotypes, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law. Meta participates in the E-Verify program in certain locations, as required by law. Please note that Meta may leverage artificial intelligence and machine learning technologies in connection with applications for employment. Meta is committed to providing reasonable accommodations for candidates with disabilities in our recruiting process. If you need any assistance or accommodations due to a disability, please let us know at accommodations-ext@fb.com.
    $251k yearly 31d ago
  • Software Applications Engineer

    Nytec

    Principal software engineer job in Kirkland, WA

    Nytec is an award-winning, integrated consulting firm with over 40 years of success turning ideas into first-of-a-kind, lifestyle technology products for tier-one global and Fortune 500 companies. Nytec's world-class designers, engineers, and manufacturing experts translate complex problems into compelling, simple solutions that deliver the ultimate user experience. Nytec manages client projects end-to-end at their Product Innovation Center, equipped with cutting-edge design and engineering labs, and provides customizable talent solutions for any requirement, whether onsite, offsite, or project-based, through their Client Services Division. With international offices and trusted manufacturing partners, Nytec ensures every design is exceptional and every product perfectly executed. For more information please visit ******************** or call ***************. Nytec is headquartered in Kirkland, Washington, with global offices in China and India. Job Description Title: Mobile/Software Applications Engineer Location: Kirkland, WA Type: FTE Job Summary Looking for a Mobile Application Engineer with Android, Linux and Windows experience to join our engineering team. Measures of Success: • Develops mobile applications on Android platform • Ability to quickly grasp the technical architecture of mobile apps and software projects in general. • Work with a highly collaborative, agile, fast-paced, small team to develop and maintain the enterprise apps for the customers. • Ability to be work with product manager and QA team for building and testing new features. • Has passion for writing clean and maintainable code Required Skills: • 5+ years of development experience on Android platforms. • Strong experience in Linux and Windows platform. • Strong knowledge of writing object-oriented code in Java/Objective-C/C/C++ • Experience developing consumer or enterprise apps and deploying to the app stores. • Knowledge of web-services, REST architecture and integration with the mobile apps. • Familiarity with mobile app testing frameworks, SQL queries, internet protocols Qualifications Android Windows Linux Additional Information For more details please dial #************ Thank You Rahul Kumar
    $103k-143k yearly est. 14h ago
  • Distinguished Software Engineer - Search

    Linkedin 4.8company rating

    Principal software engineer job in Bellevue, WA

    LinkedIn is the worlds largest professional network, built to create economic opportunity for every member of the global workforce. Our products help people make powerful connections, discover exciting opportunities, build necessary skills, and gain valuable insights every day. Were also committed to providing transformational opportunities for our own employees by investing in their growth. We aspire to create a culture thats built on trust, care, inclusion, and fun where everyone can succeed. Job Description Location: The work location of this role is hybrid, meaning it will be performed both from home and from a LinkedIn office on select days, as determined by the business needs of the team. Overview: As a Distinguished Engineer- at LinkedIn, you will architect and lead the next generation of AI solutions that power LinkedIn's search experiences by employing the latest techniques - from LLMs to broader innovative AI methods - at scale. You will design strategies for holistic optimization of LinkedIn's ecosystem across all consumer product surfaces to create a cohesive, highly personalized experience for our members. LinkedIn relies on innovative AI research and applications that you will help us build. As a key leader in the organization, you will lead research, design algorithms, build software, anticipate and influence the state of the art in the industry, and leverage and create open-source software in the process. Responsibilities: Set Technical Vision: Shape the future of LinkedIn Search by combining AI, LLMs, and systems innovation to deliver highly relevant and personalized member experiences. Architect for Scale: Build scalable, high-availability infrastructure to handle billions of queries reliably and efficiently. Drive Product Strategy: Partner closely with product, design, and AI teams to align technical investments with member and business needs. Foster a High-Performance Culture: Champion engineering best practices, quality, operational rigor, and innovation across the team. Cross-Functional Leadership: Influence and collaborate across multiple teams and stakeholders to drive complex, high-impact initiatives forward. Stay Ahead of Trends: Monitor emerging technologies and industry trends to ensure LinkedIn Search remains an industry leader. Qualifications Basic Qualifications: PhD in a relevant field or related discipline (machine learning, statistics, computer science etc.), or equivalent research experience 10+ years of relevant work experience Experience leading technical projects with multiple stakeholders Preferred Qualifications: 10+ years experience in building engaging AI-powered consumer products at scale, with at least 5 of those years in a technical- leadership position Experience in designing and optimizing search and recommender systems that create highly personalized experiences for LinkedIn's members and scale to solve complex business problems Experience in leading large scale development projects from concept to multiple releases in production Experience of technical leadership guiding and mentoring engineering and operations talent Experience leading high-impact, cross-company initiatives Suggested Skills: Mentoring Technical Leadership Machine Learning You will Benefit from our Culture: We strongly believe in the well-being of our employees and their families. That is why we offer generous health and wellness programs and time away for employees of all- levels. LinkedIn is committed to fair and equitable compensation practices. The pay range for this role is $248,000 to $406,000. Actual compensation packages are based on several factors that are unique to each candidate, including but not limited to skill set, depth of experience, certifications, and specific work location. This may be different in other locations due to differences in the cost of labor. The total compensation package for this position may also include annual performance bonus, stock, benefits and/or other applicable incentive compensation plans. For more information, visit ************************************** Additional Information Equal Opportunity Statement We seek candidates with a wide range of perspectives and backgrounds and we are proud to be an equal opportunity employer. LinkedIn considers qualified applicants without regard to race, color, religion, creed, gender, national origin, age, disability, veteran status, marital status, pregnancy, sex, gender expression or identity, sexual orientation, citizenship, or any other legally protected class. LinkedIn is committed to offering an inclusive and accessible experience for all job seekers, including individuals with disabilities. Our goal is to foster an inclusive and accessible workplace where everyone has the opportunity to be successful. If you need a reasonable accommodation to search for a job opening, apply for a position, or participate in the interview process, connect with us at [email protected] and describe the specific accommodation requested for a disability-related limitation. Reasonable accommodations are modifications or adjustments to the application or hiring process that would enable you to fully participate in that process. Examples of reasonable accommodations include but are not limited to: Documents in alternate formats or read aloud to you Having interviews in an accessible location Being accompanied by a service dog Having a sign language interpreter present for the interview A request for an accommodation will be responded to within three business days. However, non-disability related requests, such as following up on an application, will not receive a response. LinkedIn will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by LinkedIn, or (c) consistent with LinkedIn's legal duty to furnish information. San Francisco Fair Chance Ordinance Pursuant to the San Francisco Fair Chance Ordinance, LinkedIn will consider for employment qualified applicants with arrest and conviction records. Pay Transparency Policy Statement As a federal contractor, LinkedIn follows the Pay Transparency and non-discrimination provisions described at this link: ******************************** Global Data Privacy Notice for Job Candidates Please follow this link to access the document that provides transparency around the way in which LinkedIn handles personal data of employees and job applicants: ********************************************
    $131k-168k yearly est. 14h ago

Learn more about principal software engineer jobs

How much does a principal software engineer earn in Mercer Island, WA?

The average principal software engineer in Mercer Island, WA earns between $125,000 and $252,000 annually. This compares to the national average principal software engineer range of $98,000 to $182,000.

Average principal software engineer salary in Mercer Island, WA

$177,000

What are the biggest employers of Principal Software Engineers in Mercer Island, WA?

The biggest employers of Principal Software Engineers in Mercer Island, WA are:
  1. Microsoft
  2. Oracle
  3. Walmart
  4. Snap
  5. The Walt Disney Company
  6. Snowflake Computing
  7. Highspot
  8. Amazon
  9. Impinj
  10. Palo Alto Networks
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