Senior software engineer jobs in Bellevue, WA - 4,551 jobs

A leading technology company in Seattle, Washington is seeking a Machine Learning Engineer to join their Answers, Knowledge & Information team. The role involves shaping user experiences for products like Siri and requires strong skills in applied machine learning and software engineering. Candidates should have a BS in a relevant field and at least 5 years of experience. A competitive compensation package including stock options and benefits is offered. #J-18808-Ljbffr

At MediScan AI, we're building an AI-native workspace designed for physicians and legal teams to analyze and report on complex, disorganized patient histories. Our tools empower users to process vast amounts of medical data efficiently, enabling faster, more accurate decision-making. As a team, we focus on blending cutting-edge AI technologies with intuitive, user-focused design to tackle one of the most underserved pain points in the med-legal industry. By joining MediScan AI, you'll have the chance to work on meaningful challenges-building scalable solutions for messy, real-world problems-and make an immediate impact at a fast-growing startup. We're not just solving technical problems; we're transforming how work gets done in med-legal, helping professionals unlock productivity and focus on what matters most. What You'll Do Own and manage the quality of each release: Take full ownership of quality assurance processes to ensure every release meets our high standards. User interface and feature testing: Conduct thorough testing of UI elements and new features to identify bugs, usability issues, and opportunities for improvement. Collaborate closely with design and leadership: Work hand-in-hand with the design team and CEO throughout the feature design and rollout process to ensure quality is embedded from the start. Develop and maintain test scripts and plans: Build comprehensive test documentation, scripts, and plans to ensure consistent and repeatable testing processes. Manage project management tickets: Review our ticketing system and collaborate with engineers to verify that tickets are complete, accurate, and meet acceptance criteria. Ensure AI-generated record review quality: Long-term, take ownership of the quality and accuracy of AI-produced medical record reviews, learning the nuances to distinguish between good and bad outputs. Qualifications Must-Haves: 2+ years of experience as a QA Engineer working on production software. Strong UX/UI intuition with a proven ability to identify usability issues and translate them into clear, actionable tickets. User experience is core to our product quality. Experience testing modern web applications, including thorough UI, feature, and regression testing. Comfort collaborating closely with engineers, designers, and product stakeholders to ensure quality is embedded throughout the development lifecycle. Experience working within a software development team, understanding release cycles, acceptance criteria, and agile workflows. Familiarity with project management and ticketing tools such as Jira, Linear, or similar systems. Excellent communication and documentation skills, with the ability to clearly describe bugs, edge cases, and quality risks. Strong ownership mindset-you care deeply about product quality and take responsibility for releases end-to-end. Nice-to-Haves: Some coding experience used to support test automation (especially front-end testing). Experience with TypeScript and frontend testing frameworks (e.g., Playwright, Cypress, Jest). Experience managing or maintaining automated test suites, including improving coverage and reliability over time. Past experience in a quality leadership or mentorship role, such as setting QA standards, reviewing test plans, or guiding other QA contributors. Background working in fast-growing startups or environments where processes are built and refined from scratch. Interest in helping scale a quality organization, with aspirations toward future leadership as the team grows. Exposure to healthcare, legal, or regulated domains (not required, but a plus). What We Offer An opportunity to make a direct impact in a fast-growing startup. Competitive salary, equity, and benefits. Equity. Hybrid Work Model with Flexible Hours.

A leading financial technology company in Seattle is seeking a Senior Product Design Lead for the Payments & Risk Platform. This role requires extensive product design experience and the ability to craft seamless financial workflows. You will collaborate with cross-functional teams, elevate design quality, and mentor junior designers. Candidates should have a strong portfolio, excellent systems thinking skills, and a passion for empowering small businesses through technology. The position offers competitive compensation and a hybrid working model. #J-18808-Ljbffr

A global consulting firm is seeking a Senior Manager for ServiceNow consulting. In this role, you will lead technology transformation projects, manage client relationships, and develop strategies for successful engagements. Candidates should have a bachelor's degree, relevant experience in ServiceNow, strong project management skills, and the ability to develop and motivate teams. This position offers the chance to influence transformative processes and work with diverse clients. Competitive compensation is provided, reflecting the candidate's expertise. #J-18808-Ljbffr

We are seeking an experienced Knit Programmer to join our R&D team focused on next-generation wearable technologies. This is a highly specialized, hands-on role requiring deep expertise in machine knitting, sample development, and prototype fabrication. Key Responsibilities Program and operate Shima Seiki knitting machines to develop samples and functional prototypes for wearable devices. Produce a range of outputs-from coupon-level test samples to fully integrated knit prototypes. Maintain accurate documentation for all programmed runs, including machine settings, yarn specs, and outcomes. Collaborate with multidisciplinary teams (engineering, design, materials science) to translate requirements into knit form. Manage the tracking and organization of sample development, revisions, and deliveries. Minimum Qualifications 8+ years of hands-on experience with Shima Seiki knit programming and machine operation. Proven track record of working in both R&D and production environments for knitwear. Strong ability to communicate and collaborate across cross-functional teams (XFN), including technical and non-technical stakeholders. Deep understanding of knit structures, yarn properties, and wearable construction methods. Preferred Qualifications Experience with STOLL knitting machines and associated programming tools. Exposure to smart textiles and e-textiles or prior work in wearable electronics integration. Note: This role is not remote or AI-simulated. We are looking for a candidate with physical, demonstrated expertise in machine knitting and prototype execution. Applications without direct machine experience will not be considered. Job Type: Full-time Benefits: Dental insurance Employee assistance program Employee discount Flexible spending account Health insurance Health savings account Life insurance Paid time off Professional development assistance Vision insurance Education: High school or equivalent (Required) Experience: working in an R&D and production environment: 1 year (Required) shima seiki knit programming: 8 years (Required) Work Location: Redmond, Washington

OCI (Oracle Cloud) AI Infrastructure Innovation team is seeking a Senior Principal Performance Engineer to lead end-to-end performance strategy and engineering across the full stack application services, runtimes, operating systems, network, storage, and underlying hardware. You will define architecture changes, establish rigorous methodologies and tooling, and drive deep-dive investigations that unlock meaningful gains in latency, throughput, efficiency, and cost. If you thrive at troubleshooting complex distributed environments, and mentoring teams to deliver measurable improvements, this role offers the opportunity to advance the state of the art. Qualifications Disclaimer Certain US customer or client-facing roles may be required to comply with applicable requirements, such as immunization and occupational health mandates. Range and benefit information provided in this posting are specific to the stated locations only US: Hiring Range in USD from: $96,800 to $251,600 per annum. May be eligible for bonus, equity, and compensation deferral. Oracle maintains broad salary ranges for its roles in order to account for variations in knowledge, skills, experience, market conditions and locations, as well as reflect Oracle's differing products, industries and lines of business. Candidates are typically placed into the range based on the preceding factors as well as internal peer equity. Benefits Medical, dental, and vision insurance, including expert medical opinion Short term disability and long term disability Life insurance and AD&D Supplemental life insurance (Employee/Spouse/Child) Health care and dependent care Flexible Spending Accounts Pre-tax commuter and parking benefits 401(k) Savings and Investment Plan with company match Paid time off: Flexible Vacation is provided to all eligible employees assigned to a salaried (non-overtime eligible) position. Accrued Vacation is provided to all other employees eligible for vacation benefits. For employees working at least 35 hours per week, the vacation accrual rate is 13 days annually for the first three years of employment and 18 days annually for subsequent years of employment. Vacation accrual is prorated for employees working between 20 and 34 hours per week. Employees working fewer than 20 hours per week are not eligible for vacation. 11 paid holidays Paid sick leave: 72 hours of paid sick leave upon date of hire. Refreshes each calendar year. Unused balance will carry over each year up to a maximum cap of 112 hours. Paid parental leave Adoption assistance Employee Stock Purchase Plan Financial planning and group legal Voluntary benefits including auto, homeowner and pet insurance The role will generally accept applications for at least three calendar days from the posting date or as long as the job remains posted. Career Level - IC5 Responsibilities Lead the end-to-end performance architecture for critical services and platforms, setting strategy, standards, and best practices across applications, OS, network, storage, and hardware layers. Establish KPIs and benchmarking methodologies; build and maintain representative workloads and reproducible benchmarks. Drive systemic improvements to service and data-plane architectures. Design and build tooling for profiling, tracing, and telemetry with clear, actionable insights. Cross-organizational leadership to ensure performance is designed-in, observable, and consistent at scale. Mentor engineers, provide technical leadership and reviews, and influence multi-year roadmap and technical standards. QualificationsRequired: Expertise in systems performance across application, OS, network, storage, and hardware. Expertise in operating system and network stack internals (Linux kernels, scheduling, memory/IO subsystems, TCP/IP). Strong software engineering background with hands-on experience with performance profiling and observability. Ability to write and reason about performant code at a low level (e.g., C, raw sockets, CPU/vector instructions, memory/cache optimization). Familiarity with high-performance IO paths; understanding of cross-region networking and latency trade-offs. BS/MS in Computer Science, Electrical/Computer Engineering, or equivalent practical experience; proven technical leadership and mentoring. Preferred: Expertise in virtualization/containers. Java performance experience: JVM/JIT/GC internals, JFR/async-profiler, and benchmarking. Low-level engineering skills in one or more of C/C++/Rust/Go, with demonstrated ability to analyze instruction-level hotspots, memory/cache behavior, and concurrency. Database or storage performance specialization (query execution, indexing, IO path optimization). #J-18808-Ljbffr

A global technology company in San Francisco seeks a Principal Engineer to lead the development of AI-driven developer tools. This senior role involves architecting long-term strategies, influencing cross-functional projects, and driving significant improvements in engineering efficiency. Candidates should have over 15 years of experience in software engineering, demonstrated technical leadership, and expertise in applying AI to enhance productivity. This role offers a competitive salary in a dynamic tech environment. #J-18808-Ljbffr

About BRINC: At BRINC, we are redefining public safety with an innovative ecosystem of life-saving tools. Our journey started with the development of drones and ruggedized throw phones, designed to access unsafe areas and establish communication to de-escalate situations. Today, we've expanded into creating and deploying 911 response networks, where drones are dispatched to 911 calls to provide real-time visual data, enhancing safety and enabling de-escalation-focused responses. Our cutting-edge solutions are utilized by over 600 public safety agencies across America and the company has raised over $150M from investors, including Index Ventures, Motorola Solutions, Sam Altman, Dylan Field, Mike Volpe, Alexandr Wang and more. At BRINC, we are committed to recruiting the world's best talent to join us in our mission to support first responders in saving lives. We are currently seeking skilled embedded software engineers to develop flight-critical firmware, with a focus on advanced drone pilot assistance features. About this Role: We are seeking an experienced embedded software engineer. In this role you will design and develop on-device software for BRINC's entire hardware product line, including indoor and outdoor drones, hand-held remote controllers, robotic drone nests, and a variety of support equipment & accessories. Key Responsibilities: Own end-to-end software development - from specification to design, implementation, testing, and product support. Write high-quality flight ready code (primarily in C/C++). Establish top-level design architectures and implementation methodologies for the team. Clearly communicate decisions with internal stakeholders. Document contributions in a revision-controlled environment. Work collaboratively with electrical, mechanical, perception, controls, test and manufacturing engineers. Work closely with customers by debugging issues in the field, incorporating end user feedback, and supporting new product deployments. Qualifications: 5+ years of industry experience developing software for devices Experience with C, C++, Python and related programming and scripting languages Experience working in a fast-paced technical environment Experience developing and optimizing for embedded systems Experience working with standard embedded interfaces (I2C, SPI, UART, CAN, etc.) Experience developing software for a range of compute hardware (SoC, MCU, etc.) Experience bringing up and testing new hardware in collaboration with other engineers Preferred Skills 7+ years of experience developing software for Aerospace, Robotics, Automotive, Consumer Electronics, or related industries Bachelors or Masters of Science in Computer Science or related degree Experience interfacing to displays, cameras, and other perception sensors (MIPI, etc.) Experience working with Real-Time Operating Systems (RTOS) Experience working with embedded Linux / Yocto Linux Experience developing HDL (Verilog, VHDL) for FPGAs with specific experience on video processing pipelines Experience developing software for flight control, navigation, and autonomy applications Experience developing software for embedded radio systems Experience developing software for localization systems (GNSS, etc.) Strong skills in debugging, performance optimization and unit testing Ability to work effectively in a dynamic environment with changing needs and requirements Ability to work independently and in teams, take initiative, and communicate effectively Experience developing software solutions for UAV/UAS used in commercial, industrial, or defense applications BRINC Culture Values: Try the hard stuff Be innovative - Invent the future Move fast Listen to end-users Strive for excellence Don't build a dystopia Be frugal Save lives through technology If you're interested in this role and in joining BRINC, we hope you'll apply. We'd love to review your application and get to know more about you! BRINC is proud to be an equal opportunity employer that is resolute in cultivating an environment that promotes safety, diversity, inclusion and equity. We're committed to hiring the best talent - regardless of race, creed, color, ancestry, religion, sex (including pregnancy), national origin, sexual orientation, age, citizenship status, marital status, disability, gender identity, genetic information, veteran status, or any other characteristic protected by applicable laws, regulations and ordinances - and empowering every employee so they can do their best work. If you have a disability or special need, please let our recruiting team know - we strive to provide appropriate accommodation and assistance. Benefits and perks listed below may vary based on the nature of your employment with BRINC and/or the country within which you work Comprehensive medical, dental and vision plans for our employees and their families 401K plan Maternity and paternity leave Flexible Time Off (Exempt) / Paid time off (Non-Exempt) Flexible work environment Orca pass (for those in Puget Sound) Free parking (Seattle office) Free snacks, drinks and espresso (Seattle office) #J-18808-Ljbffr

The main function of a Software Design Engineer is to develop, implement, and document all testing activities, including test planning, test documentation, test execution, defect tracking and reporting, including follow-up and issue resolution. Skills Required: • Minimum 3 years of experience in C and C++. • Proficient in C, C++, C# and scripting • Experience testing software • Experience writing test documentation such as Test Plans, scripts and test results reports • Ability to analyze/interpret test results and provide recommendations to improve testing.

A leading tech company in Seattle is looking for an innovative NLP researcher to advance its AI features in collaboration software. The ideal candidate will work on cutting-edge NLP research and technologies, aiming to optimize performance and scalability, while collaborating with product managers to implement features. Candidates are expected to have a strong educational background in computer science or related fields. This position offers competitive salary and comprehensive benefits. #J-18808-Ljbffr

A leading travel technology company in Seattle is seeking a Machine Learning Engineer III to oversee projects and mentor junior engineers. You will develop and optimize software applications using machine learning methods, particularly with libraries like PyTorch and TensorFlow, while collaborating closely with cross-functional teams. This role requires at least 3 years of experience in machine learning pipelines, as well as a Bachelor's or Master's degree in a technical field. The position offers a competitive salary range of $146,000 to $204,500, with potential performance-based increases. #J-18808-Ljbffr

A leading social media platform in Palo Alto is looking for a Technical Lead Manager in Ads Conversion Modeling. This role includes leading the User Match Prediction roadmap, developing conversion models, and partnering with various teams to drive performance. Ideal candidates have a strong software engineering background, machine learning knowledge, and 6+ years of relevant experience. The position offers a competitive salary and hybrid work flexibility. #J-18808-Ljbffr

A leading search AI company is looking for a Consulting Engineer - Search to help customers realize the value of their solutions. You will collaborate with various teams to deliver scalable architectures that enhance application performance and user experiences. The ideal candidate has over 5 years of experience in Enterprise Search technologies and excellent client interaction skills. This role is based in Seattle, WA, and offers flexible working arrangements. #J-18808-Ljbffr

A global travel technology company seeks a Machine Learning Engineer III in Seattle. You will design ML-powered features to enhance the traveler experience while collaborating with cross-functional teams. The ideal candidate has a Bachelor's or Master's in a technical field and expertise in programming, machine learning engineering, and cloud services. Benefits include competitive salary, travel perks, and professional development opportunities. #J-18808-Ljbffr

Symetra has an exciting new opportunity to join us as aSenior Software Engineer II! About the role As a Senior Software Engineer II, you will build our new Partner Relationship Management system from the ground up, focusing primarily on backend development-designing the database, building REST APIs, and creating a small UI-while helping shape the architecture and early team processes. You will work mostly in Rust (experience is a big plus) and spend the majority of your time writing production code, while having a strong influence on how the product and future team growth evolves. We're looking for someone independent, skilled, and excited to take on big ownership from day one. What you will do Build our new Partner Relationship Management system from the ground up as the first engineer on the team, working closely with business leaders to shape the design, architecture, and long-term ownership. Develop backend-focused full-stack features, including database design, REST APIs, and a lightweight UI, with the majority of your time spent writing code. Help establish early engineering workflows while contributing to technical decision-making and future team hiring. Drive major technical project initiatives independently, demonstrating strong problem-solving skills and the ability to deliver high-impact work while contributing to building a diverse, well-rounded engineering team with a growth-oriented mindset. Why Work at Symetra Here's what some of our employees have to say about why they work at Symetra: "Symetra will spoil you. There aren't many companies that will put as much effort into you being a success as Symetra. The culture will challenge you but simultaneously put you at ease. Failure is seen as integral to the learning process so there is less reason to be fearful of it." - Kerry S., Sr. Systems Analyst "If you want to invest in yourself and build a career, this is a great place to work. If you don't want to put in the effort to learn the industry and become a student of the business (it takes real effort!), there are easier places to work."- Cris H., VP Internal Sales What we offer you Benefits and Perks We don't take a "one-size-fits-all" approach when it comes to our employees. Our programs are designed to make your life better both at work and at home. Flexible full-time or hybrid telecommuting arrangements Plan for your future with our 401(k) plan and take advantage of immediate vesting and company matching up to 6% Paid time away including vacation and sick time, flex days and ten paid holidays Give back to your community and double your impact through our company matching Want more details? Check out our Symetra Benefits Overview Compensation Salary Range: $125,000 - $208,400 plus eligibility for the company annual bonus program. Who You Are: High School Diploma is required; A Bachelor's Degree or equivalent related experience preferred. Bring 5+ years of relevant experience with strong technical skills, solid engineering fundamentals, and the ability to manage and deliver high-quality work independently. Have built full systems end-to-end-including databases, APIs, and web UIs-through professional roles or personal projects, demonstrating ownership from initial design to deployment. Experience with Rust is a big plus! Excel at solving complex problems through structured analysis, creative thinking, and effective collaboration across functions. Communicate clearly with partners and leadership, showing curiosity, proactivity, and a commitment to continuous learning. Foster an inclusive, purpose-driven team culture and champion diversity, strong collaboration, and healthy cross-team relationships. We empower inclusion At Symetra, we aspire to be the most inclusive insurance company in the country. We're building a place where every employee feels valued, respected, and has opportunities to contribute. Inclusion is about recognizing our assumptions, considering multiple perspective, and removing barriers. We accept and celebrate diverse experiences, identities, and perspectives, because lifting each other up fuels thought and builds a stronger, more innovative company. We invite you to learn more about our efforts here. Creating a world where more people have access to financial freedom Symetra is a national financial services company dedicated to helping people achieve their financial goals and feel confident about the future. In our daily work, we're guided by the principles of Value, Transparency and Sustainability. This means we provide products and services people need at a competitive price, we communicate clearly and openly so people understand what they're buying, and we design products--and operate our company--to stand the test of time. We're committed to showing up for our communities, lifting up our employees, and standing up for diversity, equity and inclusion (DEI). Join our team and help us create a world where more people have access to financial freedom. For more information about our careers visit: careers Work Authorization Employer work visa sponsorship and support are not provided for this role. Applicants must be currently authorized to work in the United States at hire and must maintain authorization to work in the United States throughout their employment with our company. Please review Symetra's Remote Network Minimum Requirements: As a remote-first organization committed to providing a positive experience for both employees and customers, Symetra has the following standards for employees' internet connection: Minimum Internet Speed:100 Mbps download and 20 Mbps upload, in alignment with the FCC's definition of "broadband." Internet Type:Fiber, Cable (e.g., Comcast, Spectrum), or DSL. Not Permissible:Satellite (e.g., Starlink), cellular broadband (hotspot or otherwise), any other wireless technology, or wired dial-up. When applying to jobs at Symetra you'll be asked to test your internet speed and confirm that your internet connection meets or exceeds Symetra's standard as outlined above. Identity Verification Symetra is committed to fair and secure hiring practices. For all roles, candidates will be required (after the initial phone screen) to be on video for all interviews. Symetra will take affirmative steps at key points in the process to verify that a candidate is not seeking employment fraudulently, e.g. through use of a false identity. Failure to comply with verification procedures may result in: Disqualification from the recruitment process Withdrawal of a job offer Termination of employment and other criminal and/or civil remedies, if fraud is discovered #LI-BW1 #REMOTE

A leading digital entertainment company in Seattle seeks a Senior Content Acquisition & Partnerships Manager. This role focuses on managing relationships with content providers and driving growth for Prime Video subscriptions. The ideal candidate will have 5+ years in business agreements, a strong background in strategy, and excellent relationship-building skills. Competitive compensation and a collaborative team environment await you. #J-18808-Ljbffr

A leading technology company in Seattle is seeking a Sr Machine Learning Engineer for its AI and Machine Learning org. The ideal candidate will innovate in foundation models, particularly in audio data, and will design comprehensive data frameworks. You will collaborate with top researchers and have a significant impact on future products at Apple. The role offers a competitive salary and comprehensive benefits package, including stock options. #J-18808-Ljbffr

Required Skills: Minimum 3 years of experience in UWP / Windows application development. Debugging, bug fixing, and code maintenance. Collaborate closely with Product Managers, Program Managers, and engineering partners to ensure requirements are correctly implemented and delivered on schedule. Contribute to code reviews, documentation, and release readiness activities.

A leading travel technology company in Seattle is seeking a Machine Learning Engineer III to design and scale intelligent systems for their global travel marketplace. You will collaborate with cross-functional teams to optimize real-time pricing and inventory and develop models that enhance trust across the service. The ideal candidate will have strong experience in software engineering and a passion for applying machine learning in complex systems. #J-18808-Ljbffr