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Principal software engineer jobs in Davis, CA

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  • Software Engineer

    Acceler8 Talent

    Principal software engineer job in Sonoma, CA

    🚀 Software Engineer - AI & Full Stack (San Francisco, CA) 💼 Full-Time | 🧠 1-4+ Years Experience | 💰 $150,000- 210,000 We're building self-improving software - AI that continuously creates, tests, and enhances digital experiences. Backed by Y Combinator, Gradient, and leaders from OpenAI, Uber, and Meta, we've raised $5M+ and are scaling fast. If you love building things that think for themselves , this is your chance to help shape the next wave of intelligent software. 🧩 What You'll Do Build an AI-powered paywall editor serving millions of users every day. Work across the stack - Next.js frontend + Python backend - integrating the latest AI models & APIs. Ship fast: design → code → test → deploy → learn → repeat. Collaborate directly with founders, engineers, and customers to deliver exceptional user experiences. ⚡ What We're Looking For Strong problem-solving and full-stack skills (Python, React, TypeScript). Experience building user-facing products that people love. Excellent communication and a bias for action. Ownership mindset - you ship things that matter. Startup experience = BONUS BSc CompSc degree preferred 💡 Bonus Points Experience with AI/LLM integrations. Startup or founder-level experience. Mobile skills (Swift, Flutter, React Native). 🧠 Tech Stack Next.js (React/TypeScript), Zustand, Tailwind, Shadcn, Python, Supabase, Fly.io, Swift, Flutter, Expo 📍 In-person role - San Francisco (Mon-Sat) U.S. work authorization required (O-1 visa sponsorship possible). If you're ready to build AI that builds software, we'd love to hear from you. 👉 Apply now and help us invent the future of intelligent systems.
    $150k-210k yearly 14h ago
  • Java Software Engineer

    Mindlance 4.6company rating

    Principal software engineer job in Concord, CA

    Role: Senior Software Engineer (Java) Contract: 12 to 24 months Skills Needed: Backend Java, API development, Microservices, Oracle, Splunk Client JD- We are seeking a Senior Software Engineer (SE3) with strong backend Java experience to support the development of APIs and microservices within a large-scale banking/transaction environment. The role involves modernizing monolithic applications, contributing to cloud migration (OCP), and ensuring platform stability, performance, and security. Key Responsibilities Design, develop, test, and support backend APIs and microservices. Work on modernization and cloud migration efforts. Ensure scalability, resiliency, and secure SDLC practices. Handle production support, monitoring, and issue resolution. Collaborate with product managers, architects, and engineering teams. Guide junior developers when needed. Required Skills 4+ years Java/Spring development 4+ years API/microservices experience 2+ years Oracle database experience Experience with Splunk or similar monitoring tools Agile/Scrum experience Nice to Have Experience decomposing monolithic apps Cloud/OCP migration experience Kafka or event-driven architecture API management tools (e.g., Apigee) Exposure to GenAI/Copilot (bonus) EEO: “Mindlance is an Equal Opportunity Employer and does not discriminate in employment based on - Minority/Gender/Disability/Religion/LGBTQI/Age/Veterans.”
    $113k-153k yearly est. 14h ago
  • Senior Back End Engineer - AI Workflow/Application Builder

    Ikuto

    Principal software engineer job in Sonoma, CA

    🚀 Senior Backend Engineer - AI Application Builder 📍 SoMa, San Francisco, CA | 💼 Full-Time | Onsite 💰 Salary: $200K-$325K + Meaningful Equity (1%+) Join an early-stage AI SaaS start-up creating an application builder that empowers business users to build custom applications where humans and AI collaborate seamlessly across enterprise systems. The company addresses complex enterprise challenges, including multi-day workflows, cross-system integrations (ERP/CRM/financial platforms), secure VPC hosting, and enterprise-grade observability, logging, identity, and compliance controls. About the Role We're looking for a Backend Engineer to lead the development of backend systems and architecture. This is a rare opportunity to take ownership of core systems in an early-stage company, shaping architecture, scalability, and reliability from the ground up. You'll tackle challenging problems like orchestrating multi-system workflows, processing large-scale data asynchronously, and safely executing AI-generated code - all while collaborating closely with the applied AI team. What You'll Do Design and build the core workflow engine - the orchestration layer connecting agents, data sources, and frontend views. Develop and scale the TypeScript-based backend, handling asynchronous execution, retries, and deterministic routines. Build and maintain integration layers for REST APIs, SQL sources, and third-party systems. Collaborate with the applied AI engineering team to integrate automation and intelligence across systems. Define and enforce best practices for backend architecture, reliability, and developer experience as the company scales. Who You Are (Must-Haves) 4-15 years of professional software engineering experience. Strong experience with TypeScript, Node.js, and modern backend architectures. Experience designing complex data models and managing asynchronous tasks/workflows. Prior experience working in early-stage startups or high-growth environments. Experience integrating multiple systems, including REST APIs and SQL sources. Excited by building scalable systems and comfortable in a startup environment. Excellent problem-solving, collaboration, and communication skills. Nice-to-Haves Experience building or integrating AI / LLM-powered applications. Familiarity with Temporal or similar orchestration/workflow systems. Exposure to other modern backend frameworks or cloud technologies (AWS, GCP, Kubernetes). Why Join? Competitive salary: $200K-$325K + meaningful equity (1%+) in an early-stage company. Work alongside experienced founders who have successfully scaled AI and enterprise SaaS products. Shape the architecture and direction of a high-impact backend system used across complex workflows. Be part of a small, highly motivated team at the forefront of AI and enterprise applications.
    $200k-325k yearly 3d ago
  • Software Engineer

    Premier Group 4.5company rating

    Principal software engineer job in Sonoma, CA

    Founding Engineer $140K - $200K + equity San Francisco (Onsite Role) Direct Hire A fast growing early-stage start who recently secured a significant amount at Seed is actively hiring 3x software engineers to join their founding team. They're looking for people who are scrappy, move fast, challenge assumptions, and are driven to win. They build quickly and expect teammates to push boundaries. Who You Are Make quick, reversible (“two-way door”) decisions Proactively fix problems before being asked Comfortable working across a modern engineering stack (e.g., TypeScript, Python, containerisation, ML/LLM tooling, databases, cloud environments, mobile frameworks) Have built real, shipped products Thrive in ambiguity and fast-moving environments What You'll Do Talk directly with users to understand their workflows, pain points, and needs Architect systems that support large enterprise usage Build automated pipelines and intelligent agents that process and verify large volumes of data Maintain scalable, robust infrastructure Ship quickly - progress over perfection The Reality You'll work closely with the founding team and directly with customers User value beats hype, trends, and “cool tech” Expect a demanding, high-output culture If you're a Software Engineer with 2 + years' experience and want to work in a growing start-up, please do apply now for immediate consideration.
    $140k-200k yearly 2d ago
  • Senior Mulesoft Developer

    LHH 4.3company rating

    Principal software engineer job in Sacramento, CA

    LHH is seeking a Senior MuleSoft Developer to join our client's team in a full-time remote role (some travel required). As a Senior MuleSoft Developer, you will play a pivotal role in designing, developing, and implementing integration solutions using the MuleSoft Anypoint Platform. Your expertise in APIs, integration architecture, and enterprise systems will be essential in driving operational efficiency across the organization. Salary & Benefits: $130k to $150k base salary Up to 10% bonus 20 Days of PTO to start, 8 paid holidays, 3 flex days Medical, Dental, Vision 401(k) w/employer match Key Responsibilities: Design, develop, and maintain integration solutions using MuleSoft Anypoint Studio and related tools. Create and manage APIs (REST, SOAP) and integrations across cloud and on-premise systems. Lead the end-to-end development lifecycle: requirements gathering, design, coding, testing, deployment, and support. Implement API-led connectivity and reusable integration assets. Develop, optimize, and maintain integrations between MuleSoft, Salesforce, NetSuite, and Marketo. Troubleshoot and resolve integration issues, ensuring performance and reliability. Apply best practices in API security, governance, and scalability. Mentor junior developers and provide technical leadership on projects. Collaborate with business analysts, architects, and stakeholders to define integration requirements. Document technical designs, workflows, and support guides. Qualifications: (must be able to speak in technical depth to the items below) Bachelor's degree in Computer Science, Information Technology, or related field. 5+ years of hands-on experience in integration development with MuleSoft, with strong proficiency in MuleSoft Anypoint Studio, API Manager, Runtime Manager, and DataWeave. 5+ years of experience with API-led architecture and integration design patterns. Proven experience with Marketo, Salesforce, NetSuite, Anaplan, and Portal integrations (must-have all or some of these, with Marketo, Salesforce, Netsuite being post crucial). Strong knowledge of Java, JSON, XML, and REST/SOAP web services. MuleSoft Developer and/or Architect certifications (preferred). Experience with Java, DevOps, Dataweave, Anypoint, Open API, Swagger, Auth Security, and Custom Policy connectors. Equal Opportunity Employer/Veterans/Disabled To read our Candidate Privacy Information Statement, which explains how we will use your information, please navigate to ******************************************* The Company will consider qualified applicants with arrest and conviction records in accordance with federal, state, and local laws and/or security clearance requirements, including, as applicable: • The California Fair Chance Act • Los Angeles City Fair Chance Ordinance • Los Angeles County Fair Chance Ordinance for Employers • San Francisco Fair Chance Ordinance
    $130k-150k yearly 14h ago
  • Senior Dotnet Developer

    R Systems 4.5company rating

    Principal software engineer job in Sacramento, CA

    ** Only Local Sacramento, CA Candidates are encouraged to apply ** ** Healthcare & Public Sector Experience is Preferred ** Senior .NET Full Stack Developer (Public Sector, Healthcare, AWS) We are seeking an experienced Senior .NET Full Stack Developer with strong expertise in designing and building secure, scalable applications using Microsoft .NET technologies. The ideal candidate should have hands-on experience working in Public Sector and Healthcare environments, along with solid proficiency in AWS cloud services. Key Responsibilities Design, develop, and maintain full-stack applications using .NET Core/.NET 6+, C#, Web API, Entity Framework, and SQL Server. Develop front-end interfaces using Angular/React, JavaScript/TypeScript, HTML5, CSS3, and modern UI frameworks. Architect and implement RESTful APIs, microservices, and enterprise-grade integrations. Build and deploy cloud-native applications on AWS, using services such as: AWS Lambda, API Gateway, ECS/EKS, EC2 S3, RDS, DynamoDB Cognito, IAM SQS/SNS, CloudWatch, CloudFormation Implement secure authentication and authorization mechanisms (OAuth2, JWT, SSO). Work with cross-functional teams including Product Owners, Business Analysts, and QA. Participate in all stages of SDLC-requirements, design, coding, testing, deployment. Perform code reviews and mentor junior developers. Troubleshoot and optimize application performance, scalability, and reliability. Required Skills & Experience 7-10+ years of hands-on experience in .NET / C# development. Strong experience with .NET Core/.NET 5+, Web API, MVC, Microservices. Proficient in front-end development with React/Angular. Strong database skills with SQL Server, query optimization, and stored procedures. Solid experience with the AWS ecosystem, including: Serverless (Lambda), Containerization (ECS/EKS), Storage (S3), Databases (RDS/DynamoDB) API Gateway, CloudWatch, IAM, VPC, SQS/SNS CI/CD using AWS CodePipeline, CodeBuild, GitHub Actions, or equivalent Experience in Public Sector and Healthcare domains, with understanding of: Government security standards and compliance-driven development Familiarity with containerization (Docker), Infrastructure as Code (CloudFormation/Terraform), unit testing frameworks. Good to Have Experience with Kubernetes (EKS). Experience with reporting/analytics tools. AWS Certifications (Developer Associate, Solutions Architect Associate/Professional). Experience with NoSQL databases (MongoDB, DynamoDB).
    $118k-156k yearly est. 4d ago
  • Senior Ruby Software Developer

    Franklin Fitch

    Principal software engineer job in Sonoma, CA

    Senior Software Engineer Experience Level: Senior (7+ years) About the Role We're looking for a Senior Software Engineer who thrives on turning conversations into actionable, user-focused solutions. You'll work closely with stakeholders to deeply understand problems, identify root causes, and deliver thoughtful, high-quality software that stands the test of time. Requirements 7+ years of experience designing, implementing, and testing software. Strong fluency in core software design principles. Experience with test-driven development (TDD). Familiarity with service-oriented architecture and distributed system fundamentals. Excellent ability to communicate technical concepts clearly to both technical and non-technical audiences. Bonus points for experience with Microservices, Pub/Sub, Event Sourcing, Eventide, and Message DB. Technologies We Use Languages & Frameworks: Ruby on Rails Event-Driven Tools: Eventide, Message DB Databases: PostgreSQL Infrastructure: Kubernetes, Terraform Cloud: Azure
    $117k-164k yearly est. 1d ago
  • Senior Software Engineer

    Emerson United Inc.-Strategic Search and Recruitment

    Principal software engineer job in Sonoma, CA

    My client is building next-gen automation and orchestration platforms and needs an engineer who can design fault-tolerant, distributed systems at scale. If you've got hands-on experience with Functional Programming/Concurrency (Erlang, Elixir, Akka, Haskell) and strong distributed systems knowledge, and a track record with microservices, REST APIs, and SQL/RDBMS, this is a chance to work on real-time, high-availability systems that power automation and robotics. Bonus if you've worked with telecom-grade systems, real-time platforms, or CI/CD with Docker/Kubernetes. 💡 Looking for someone excited to solve complex problems, mentor others, and push the boundaries of what's possible in large-scale automation.
    $117k-164k yearly est. 1d ago
  • Senior DevOps Engineer - AWS & CI/CD

    Sigmaways Inc.

    Principal software engineer job in Sonoma, CA

    We are seeking a Senior DevOps Build Engineer with experience in designing, building, and maintaining secure, automated CI/CD pipelines for cloud based applications. The ideal candidate is a cloud savvy AWS expert with strong DevOps experience and good understanding of infrastructure-as-code, containerization and security scanning. In this role, you will collaborate across multiple teams including development, infrastructure, security and networking to deliver reliable, secure and scalable cloud solutions. You will also provide leadership in DevOps best practices, CI/CD automation, and secure architecture design. Responsibilities: Design, build, and optimize automated CI/CD pipelines and integrate SAST, DAST, OSS, and container security scans. Provide DevOps architectural leadership, mentorship, and best-practice guidance across teams. Lead standardization of DevOps pipeline frameworks and secure development patterns. Implement automated deployment, infrastructure, and build/release workflows. Own technical implementation for assigned development initiatives and ensure alignment with internal engineering standards. Partner closely with architecture, security, and engineering stakeholders to ensure secure and compliant build practices. Maintain platform security aligned with organizational Information Security policies. Anticipate risks and proactively propose solutions related to enterprise platform scaling and cloud adoption. Qualifications: Bachelor's or Master's degree in Computer Science, Engineering, Information Systems, or equivalent work experience. At least 7 years of AWS experience delivering solutions in a DevOps or architecture role Hands on background designing, implementing, and supporting complex multi environment platforms. Proven experience building and supporting DevOps infrastructure, CI/CD pipelines, and automation. Strong experience configuring GitLab and artifact repositories such as Nexus. Experience preparing vulnerability reports using tools such as Fortify, SonarQube, NexusIQ, and GitLab native scans (Semgrep, Gymnasium). Experience configuring Checkov and KICS for IaC scanning. Containerization experience using Docker and AWS cloud services (CloudWatch, ECS, EKS, Lambda, Fargate, EC2.) Secrets management experience using AWS Secrets Manager, AWS SSM Parameter Store, and/or Vault. Advanced scripting experience using Python, Shell, Groovy, YAML/JSON. Experience with major IDEs using Visual Studio, IntelliJ, Eclipse. Strong experience integrating build tools and technologies across C++, Java, JavaScript, and .NET application stacks. Strong Linux and Windows OS experience. Knowledge working within Agile project environments and using tools such as Jira and VersionOne.
    $112k-154k yearly est. 3d ago
  • Senior IoT Engineer

    Lawrence Harvey 4.4company rating

    Principal software engineer job in Davis, CA

    Senior IoT Engineer (R&D) $130-150k base salary Davis, CA We're partnered with an industry leader in the utility-scale solar digitization and automation space, who are currently going through some exciting growth in their IoT and are looking for an experienced Snr IoT R&D Engineer to join their team in Davis, CA. The IoT R&D Engineer will be leading on the design, development and prototyping of IIoT products that will provide critical infrastructure for construction automation in the solar sector, and then working closely with cross-functional teams to develop integrated hardware and software systems. The role will work closely with the IoT Director to define project scopes, working with the product managers to turn requirements into technical solutions, and providing technical mentorship to junior technicians and engineers internally. Key skills & experience: Demonstrable experience as a professional in the hardware product development space, preferably in a start-up or R&D environment This is a hands-on role that will be focused ‘tinkering' with a lot of new products/ideas - would be good to have experience with RF, GPS, Vision (Cameras, Optics & Lighting), and systems integration Should have a good understanding of fabrication technologies, power delivery systems, and electrical troubleshooting techniques Looking for someone with good CAD experience Looking for someone with a broad/generalist background who has experience across the entire product development process - open to applicants from a Solar, Construction, or Industrial background This role will be working onsite in Davis, CA. Interested? Apply now or send a copy of your resume to ***************************
    $130k-150k yearly 3d ago
  • Salesforce Technical Lead

    Haavia, Inc.

    Principal software engineer job in Sonoma, CA

    Title: Salesforce Technical Lead / Architect Type: Contract / Fulltime JD: Salesforce Tech Lead with minimum of 12 to 15 years experience Should have minimum of Application or System Architect Certification Very strong in salesforce development skill set Apex ( 10 Yrs) - (triggers, batch, Qable, Patch, Core), LWC (6 Years), Process Builders & Flows (6 yrs), Batch & Scheduled & Queueable Apex (10 yrs), Integration (6 yrs) Should have strong team leading experience, strong communication skills *Salesforce data cloud integration *creating DLO and DMO Objects *Generate the CRMA report out of those objects *Stakeholder management experience. ***Candidate must have strong exp in Apex - (triggers, batch, Qable, Patch, Core), LWD, Soql, SAQL, SOSL, LWC, CRMA, Flows. Candidate must work with Vendors and good leadership skills and technical skills.
    $93k-135k yearly est. 4d ago
  • Embedded Software Engineering - College Intern

    Wind River 4.6company rating

    Principal software engineer job in Walnut Creek, CA

    at Wind River Embedded Software Engineer - College Intern ABOUT WIND RIVER Wind River is a global leader in delivering software for mission-critical intelligent systems. For more than four decades, the company has been an innovator and pioneer, powering billions of systems that require the highest levels of security, safety, and reliability. Wind River helps customers across automotive, aerospace, defense, industrial, medical, and telecommunications industries solve complex technology challenges on their journey toward the new intelligent machine economy. The company's software powers generation after generation of the safest, most secure systems in the world. Examples include playing a key role in NASA space missions such as Artemis I, the James Webb Space Telescope, and multiple Mars rovers. We've achieved recent 5G milestones including the world's first successful 5G data session with Verizon and building one of the largest Open RAN networks in the world with Vodafone. The company has received industry recognition for its technology innovation and leadership, and for its workplace culture, including global Great Place to Work certification and being named a “Top Workplace” for ten consecutive years. If you want to be part of a unique culture where the lived experience is based on our cultural attributes of growth mindset, customer-focus, and diversity, equity, inclusion & belonging, come join us and help advance the future software defined world. YOUR ROLE We seek a summer intern college students to join our Professional Services Embedded Software Engineering team. This is an exciting opportunity to work on cutting-edge development projects and collaborate with a team of experts in the embedded software field. As a contributing member of our North American team, you'll develop embedded solutions for critical infrastructure industries.In your daily job you will: Develop, implement, and test embedded software systems, including device drivers and Board Support Packages for embedded hardware using Linux, VxWorks Real Time Operating System, or Helix Virtualization Platform Produce high-quality software, including projects that require safety certification Troubleshoot and debug embedded software, solving complex technical issues Collaborate with project teams to deliver mission-critical embedded solutions to clients Participate in design, code, and test reviews; contribute to team and customer technical discussions HOW YOU WILL CONTRIBUTE Key skills and competencies for succeeding in this role are: Pursuing a BS or MS degree in Computer Science, Computer Engineering, Electrical Engineering, or related field Strong academic performance, involved in student groups, volunteer work, leadership Junior, Senior or MS standing for summer internships Strong proficiency in C/C++ programming Experience with embedded systems development (device drivers, boot loaders, Board Support Packages, firmware) and familiarity with embedded processors (ARM, MIPS, x86, PowerPC, RISC V) Excellent communication skills (verbal and written) and ability to work effectively in a team Preferred: Real-time operating system (RTOS) experience (e.g., VxWorks, Linux Preempt-RT, Zephyr) APPLICANT PRIVACY NOTICE: Your privacy is of the utmost importance to us. At Wind River, we strictly adhere to all applicable data privacy laws. Please review Wind River's Applicant Privacy Notice, which can be found here . “Wind River is an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, gender identity, sexual orientation, disability status, protected veteran status or any other characteristic protected by law” SECURITY CLEARANCE REQUIREMENTS Successful candidates must engage in a security clearance process in regard to their citizenship in order to perform fundamental job duties, as per applicable law. In particular, candidates with certain citizenship may not be able to perform such fundamental job duties. Currently, this includes citizens of the following countries: Belarus; Burma; China; Cuba; Iran; North Korea; Syria; Venezuela; Afghanistan; Cambodia; Central African Republic; Cyprus; Democratic Republic of Congo; Ethiopia; Eritrea; Haiti; Iraq; Lebanon; Libya; Russia; Somalia; South Sudan; Sudan; Zimbabwe. The security clearance process may take a significant amount of time to complete, and any offer of employment will be contingent on the candidate's legal ability to perform the fundamental job duties. Wind River is committed to meeting its obligations to candidates under applicable human rights law and privacy law in this regard.
    $96k-126k yearly est. Auto-Apply 60d+ ago
  • Software Engineer I

    Inductive Automation 4.2company rating

    Principal software engineer job in Folsom, CA

    The Software Engineer I is responsible for designing and developing software applications sold by Inductive Automation, LLC. This role involves working on various platforms, including but not limited to Ignition, as well as developing critical internal and customer-facing tools. They perform coding, debugging, testing, and troubleshooting throughout the application development process. The Software Engineer I works under the guidance of the Senior Development team and in collaboration with the Support Division to improve the quality and functionality of the software by adding new features and repairing defects. This is a full-time position with hybrid and on-site opportunities available.Responsibilities: Developing, testing, and maintaining software applications using high level programming languages Collaborating with senior engineers to understand project requirements and design specifications Participating in code reviews and contributes to team discussions to improve code quality and development processes Debugging and troubleshooting simple software issues in development, test and production; provides timely solutions and enhancements Documenting code, processes, and technical specifications for future reference Staying current with emerging technologies and industry trends to continuously improve skills and knowledge Assisting in the integration of software components and third-party tools Contributing to team activities and collaborates within the team to solve problems Requirements: Education and Training: Bachelor's degree in Computer Science, Computer Engineering or related field OR 1 year of industry experience in software development, or open source contributions Skills: Excellent troubleshooting and problem-solving skills Excellent attention to detail Excellent communication skills, both written and verbal Proficiency in one or more programming languages including, but not limited to, Java, Kotlin, or Typescript Ability to work collaboratively in a remote team environment Basic understanding of software development methodologies (Agile, Scrum, etc.) Ability to read stack traces Preferred, but not required: Familiarity with version control systems (e.g., Git) Knowledge of database management systems (e.g., SQL, NoSQL) Familiarity with cloud services (e.g., AWS, Azure) is a plus Familiarity with network protocols and troubleshooting them is a plus Familiarity with Ignition or other SCADA systems About Us Who are we?Champions for industrial automation innovation and driven by a mission statement to empower our customers to swiftly turn great ideas into reality by removing all technological and economic obstacles , we create and deliver solutions that relieve pain points, bring efficiency to operations and optimize integration. Why Choose Inductive Automation? Our passion goes beyond customers. We celebrate your personal and professional milestones, and we support our teams with meaningful work in a collaborative environment. We find that great work-life balance inspires teams to do their best work and empowers people to live their best lives. That's why diversity, fun, and flexibility are ingrained into our work culture. The Inductive Automation team understands the importance of personal growth and social connection. So things like time for professional development, or company and team activities are baked right into the schedule to keep us all engaged, connected, and prospering. Benefits and Perks 100% Employee Covered Health Care: Don't pay a dime for your medical, dental, and vision insurance.Paid Time Off: Receive paid holidays, vacation, and sick time.401k with Match: Save for the future with our company-matching 401k program.World-Class Headquarters: While on-site, enjoy complimentary snacks and beverages, then challenge a friend to a game of pool, table tennis, shuffleboard, or foosball.Adjacent Nature Reserve: On-site employees enjoy breathtaking views and adventures that energize and inspire.
    $118k-162k yearly est. Auto-Apply 1d ago
  • C#/.Net Software Engineer

    Procom Consultants Group 4.2company rating

    Principal software engineer job in Folsom, CA

    Procom is a leading provider of professional IT services and staffing to businesses and governments in Canada. With revenues over $500 million, the Branham Group has recognized Procom as the 3rd largest professional services firm in Canada and is now the largest “Canadian-Owned” IT staffing/consulting company. Procom's areas of staffing expertise include: • Application Development • Project Management • Quality Assurance • Business/Systems Analysis • Datawarehouse & Business Intelligence • Infrastructure & Network Services • Risk Management & Compliance • Business Continuity & Disaster Recovery • Security & Privacy Specialties• Contract Staffing (Staff Augmentation) • Permanent Placement (Staff Augmentation) • ICAP (Contractor Payroll) • Flextrack (Vendor Management System) Job Description C#/.Net Software Engineer On behalf of our client, Procom Services is searching for a C#/.Net Software Engineer for a contract opportunity in Folsom, CA. C#/.Net Software Engineer Job Details Convert/Implement GUI forms utilizing WPF and C#. Interface visual forms and controls with low level hardware control libraries. C#/.Net Software Engineer Mandatory Skills Solid foundation in object-oriented design principles Solid experience in Microsoft .NET using C# and WPF Solid experience with N-tier architecture. Experience with data visualization tools. Familiarity with source code control and archiving systems Experience with various bus technologies and protocols such as GPIB, HPIB, I2C, TCP/IP, RS-232, and USB, for communicating with lab test equipment and communication between host computers and custom test hardware is highly desirable Experience with agile software development practice, scrum, sprint planning, retrospectives, etc. Software Engineer Start Date ASAP Software Engineer Assignment Length 3 Months "Please note that we are not able to work with candidates on H1B Visas or candidates represented by third parties." Additional Information All your information will be kept confidential according to EEO guidelines. Please send your resume in Word format only.
    $113k-155k yearly est. 60d+ ago
  • Software Engineer

    2H Talent

    Principal software engineer job in Concord, CA

    About the Company: Our client, a global leader in high-end X-ray inspection equipment, is seeking an experienced Software Engineer to support their rapidly expanding business in semiconductor process equipment automation. Their cutting-edge systems are used worldwide and are becoming increasingly essential for semiconductor process inspection routines in fabs and failure analysis (FA) laboratories. This is a unique opportunity to join a fast-growing organization with significant growth potential. Position Overview: As a Software Engineer, you will collaborate with scientists to develop robust front-end and back-end software that interfaces with advanced scientific instruments. The role requires designing intuitive graphical user interfaces and building software capable of controlling precision hardware. Key Responsibilities: Develop and maintain software solutions using C# and WPF for equipment automation. Design and construct graphical user interfaces that enhance usability and functionality. Build and optimize software that interacts with moving hardware. Collaborate with cross-disciplinary teams, including scientists and engineers, to ensure seamless integration of software with hardware. Lead software development efforts as the primary engineer on projects. Utilize C++ and MFC (preferred) to support legacy or advanced system development. Work with Python and PySide/PyQt to implement additional functionality as needed. Leverage modern Windows development tools and, occasionally, Linux for specific applications. Qualifications: Bachelor's degree in Computer Science, Engineering, or a computational field, or equivalent experience. Proficiency in C# and WPF; knowledge of C++ and MFC is a plus. Strong understanding of programming concepts and software architecture. Experience developing software for equipment that involves motion control. Familiarity with Python programming and frameworks such as PySide or PyQt. Ability to independently manage software development projects. Preferred Skills: Interest in physics, optics, and material characterization. Background in designing object detection or feature recognition routines. Experience building software interfaces for complex equipment. Proven ability to thrive in a multidisciplinary team environment. Why Join Us? Contribute to the development of cutting-edge technology in a high-growth industry. Collaborate with top-tier professionals across scientific and engineering disciplines. Enjoy significant opportunities for professional growth and advancement. NO C2C If you are a Software Engineer with the experience above, apply now! "At 2H Talent diversity is simple-it's about embracing everyone. We are committed to a diverse and inclusive workplace. We provide equal employment opportunities to all qualified employees and applicants for employment without regard to race, religion, sex, age, marital status, national origin, sexual orientation, citizenship status, veteran status, disability, or any other legally protected status. We prohibit discrimination in decisions concerning recruitment, hiring, compensation, benefits, training, termination, promotions, or any other condition of employment or career development."
    $105k-149k yearly est. 60d+ ago
  • Software Engineer

    Solidigm

    Principal software engineer job in Rancho Cordova, CA

    Join a multibillion-dollar global company that brings together amazing technology, people, and operational scale to become a powerhouse in the memory industry. Headquartered in Rancho Cordova, California, Solidigm combines elements of an established, successful technology company with the spirit, agility, and entrepreneurial mindset of a start-up. In addition to the U.S. headquarters and other facilities in the U.S., the company has international presence in Asia, Europe, and the Americas. Solidigm will continue to lead the world in innovating new Memory technologies with aspirations to be the #1 NAND memory company in the world. At Solidigm, we view problems as opportunities to define innovative solutions that hold the power to change the world and unleash the potential technological needs that the future holds. At Solidigm, we are One Team that fosters a diverse, equitable, and inclusive culture that embraces individual uniqueness and empowers us to bring our best selves to deliver excellence in support of Solidigm's vision and mission to be the go-to partner for optimized data storage solutions. You can be part of the takeoff of an innovative business that develops cutting-edge products, delivers strong business value for customers, provides an engaging workplace for its employees, and serves a greater impact on the world. This is a golden opportunity for the right applicant to join us and help design, build, and lead Solidigm. We want a diverse team of dedicated professionals who will not just be Solidigm team members but contribute to how we shape the future of the organization. We are seeking applicants who will grow and thrive in our culture; be customer inspired, trusting, innovative, team-oriented, inclusive, results driven, collaborative, passionate, and flexible. Job Description We are seeking a talented and motivated Software Engineer to join our Firmware Validation Software team. This role focuses on developing and maintaining robust, scalable tools and frameworks that support automated testing of embedded firmware across a range of hardware platforms. The ideal candidate will have solid experience in C++ and Python, a passion for quality engineering, and a collaborative mindset. Key Responsibilities: Design, implement, and maintain test automation frameworks and tools in C++ and Python. Familiar with network programming: sockets, client-server, HTTP, TCP/IP, UDP. Analyze code, identify root causes of failures, and contribute to continuous improvement of test coverage and reliability. Document tool usage, APIs, and workflows to support internal users. Participate in code reviews, sprint planning, and team retrospectives. Qualifications Required : Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, or related field. 3-5 years of professional software development experience. Proficiency in C++ and Python. Experience with software testing methodologies and automation frameworks. Familiarity with version control systems (e.g., Git). Strong problem-solving and debugging skills. Excellent communication and collaboration abilities. Optional / Preferred: Experience with embedded systems or firmware development. Knowledge of hardware interfaces (e.g., I2C, SPI, UART). Familiarity with CI/CD tools (e.g., Jenkins, GitLab CI). Experience with Linux development environments. Experience with Docker, Ansible Work Conditions: Hybrid work model with on-site collaboration at our Sacramento office. Flexible working hours with core team overlap. Occasional lab work involving hardware interaction and test setup. Opportunities for professional development and cross-functional collaboration. Additional Information The compensation range for this role is $102,540 - $153,580. Actual compensation is influenced by a variety of factors including but not limited to skills, experience, qualifications, and geographic location. This is a Hybrid position reporting out of Rancho Cordova, California. Powered by SmartRecruiters - Candidate Privacy Policy
    $102.5k-153.6k yearly 7h ago
  • Software Engineer, Android Core Product - Stockton, USA

    Speechify

    Principal software engineer job in Stockton, CA

    The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify's text-to-speech products to turn whatever they're reading - PDFs, books, Google Docs, news articles, websites - into audio, so they can read faster, read more, and remember more. Speechify's text-to-speech reading products include its iOS app, Android App, Mac App, Chrome Extension, and Web App. Google recently named Speechify the Chrome Extension of the Year and Apple named Speechify its Design award winner for inclusivity for 2025. Today, nearly 200 people around the globe work on Speechify in a 100% distributed setting - Speechify has no office. These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own companies. Overview With the growth of our Android app, being the most used text-to-speech app in the Play Store, we find the need for a Senior Android Engineer to help us support the new user base as well as work on new and exciting projects to push us forward. This is a key role and ideal for someone who thinks strategically, enjoys fast-paced environments, passionate about making product decisions, and has experience building great user experiences that delight users. We are a flat organization that allows anyone to become a leader by showing excellent technical skills and delivering results consistently and fast. Work ethic, solid communication skills, and obsession with winning are paramount. Our interview process involves several technical interviews and we aim to complete them within 1 week. What You'll Do Owning major features and working closely with our design team - take ownership of features inside the app and become responsible of delivering high quality features Shape the future of our Android team Own, maintain and improve reliability metrics for key features Participate in discussions across different teams - Product, Design, Engineering Review pull requests, and support other teammates Handle critical issues or cope with unexpected challenges Take ownership of feature releases and provide nightly builds for the QA team An Ideal Candidate Should Have 5+ years of software engineering experience Familiarity with Android components Experience building or contributing to at least one Android app Product design intuition and user empathy Drive to push the boundaries of Android UI/UX Understanding of the importance of tests and how to approach writing tests Self-drive to improve the app and codebase above and beyond what's outlined in the spec Rock solid experience with Kotlin, Kotlin Coroutines, Kotlin Flow, Dagger 2, MVVM, Clean Architecture, Background Services, Music Player Service, Android Animations, Jetpack Navigation, JUnit tests Excellent communication skills User oriented problem solving approach Driven with continuous feedback from leaders Bonus: Experience building, maintaining, or otherwise contributing to open source projects in Android Experience with iOS, Web or NodeJS Technologies we use: Kotlin Kotlin Coroutines Kotlin Flow Jetpack Navigation Dagger 2 Room Custom Views, Canvas & Paint Jetpack Compose JUnit What We offer: A fast-growing environment where you can help shape the company and product. An entrepreneurial-minded team that supports risk, intuition, and hustle. A hands-off management approach so you can focus and do your best work. An opportunity to make a big impact in a transformative industry. Competitive salaries, a friendly and laid-back atmosphere, and a commitment to building a great asynchronous culture. Opportunity to work on a life-changing product that millions of people use. Build products that directly impact and support people with learning differences like dyslexia, ADD, low vision, concussions, autism, and more. Work in one of the fastest growing sectors of tech, the intersection of artificial intelligence and audio. The United States Based Salary range for this role is: 140,000-200,000 USD/Year + Bonus + Stock depending on experience Think you're a good fit for this job? Tell us more about yourself and why you're interested in the role when you apply. And don't forget to include links to your portfolio and LinkedIn. Not looking but know someone who would make a great fit? Refer them! Speechify is committed to a diverse and inclusive workplace. Speechify does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.
    $104k-148k yearly est. Auto-Apply 60d+ ago
  • C++ Software Engineer

    Jobsbridge

    Principal software engineer job in Davis, CA

    * Two or more years of commercial software development experience with a fluency and passion for C++ (STL, C++ 11, Boost, Clang) * Familiarity with C#, JavaScript, Python, SQL, and XML * Understand the importance of software development methodologies (Agile, Scrum, Waterfall, RAD, RUP) and software design techniques (UML, entity relationship diagramming, use cases, data flow diagramming); know how they impact the quality of your design process, team collaboration, and work product * Working knowledge of databases such as MongoDB, Oracle, SQL Server, PostgreSQL * Object oriented design skills * Have the ability to work closely with the team to build quality software in a constantly-evolving environment with the capability to communicate verbally and in writing * Bachelor's in computer science, computer engineering, or mathematics Recommended Qualifications: * Experience with one or more of the following technologies: + C++/CX, C#, JavaScript, Python + SQL, SQL Server, PostgreSQL, RDBMS + Qt + OpenGL or DirectX + GIS + Web services * Working knowledge of TIN (Triangulated Irregular Networks) * Familiarity with multithreading and encapsulation * Experience with 2D and 3D data visualization * Master's in computer science, computer engineering, mathematics, GIS, or related field Qualifications C++/CX, C#, JavaScript, Python Additional Information Multiple Openings
    $103k-147k yearly est. 7h ago
  • Software Engineer, Commercial Technologies (Specialty Networks)

    Cardinal Health 4.4company rating

    Principal software engineer job in Sacramento, CA

    _This position is remote and candidates can be based anywhere within the United States. Candidates must be able to work within EST or CST business hours._ **_What Specialty Networks_** **_and_** **_Commercial Technologies Software Engineering contributes to Cardinal Health_** Specialty Networks creates clinical and economic value for independent specialty providers and pharmaceutical industry partners across multiple specialties: Urology, Gastroenterology, and Rheumatology. Specialty Networks' PPS Analytics platform is a commercial SaaS platform that collects data from various clinical and operational practice systems, and uses artificial intelligence and modern data analytics to transform it into meaningful and actionable insights that ensure providers get their patients to the right care at the right time. The _Commercial Technologies Software Engineering_ team delivers applications to our customers. This Software Engineer will build and deploy solutions for our member practices, pharmaceutical partners, and our fellow teammates. This individual will also be responsible for designing and implementing full stack functionality for our web applications. In addition, this position will be expected to coordinate, communicate, and collaborate with members of their own team as well as other teams **_Responsibilities_** + Design solutions for our user community + Write software that is reliable, maintainable, and extensible + Author user interface components for web applications + Mentor junior developers and engage them with relevant development tasks + Debug and resolve user interface issues + Implement proper usage of authentication and access control sub-systems + Track, maintain, and monitor user activity logs and error logs + Collaborate with other developers and non-technical cross-functional teams + Participate as a QA resource for other developers + Manage and troubleshoot dev automation - automated build and release processes + Assist with software releases + Assist with architectural evaluations and decisions **_Qualifications_** + 7+ years of full-stack software development experience with C# and modern JavaScript frameworks + Expert-level C# with .NET Core for backend API development and business logic + Expert-level Angular (version 12 or higher) and TypeScript for frontend development + Strong experience designing and consuming RESTful APIs + Solid expertise with Entity Framework Core and SQL Server for data access and modeling + Experience with Azure AD B2C authentication and authorization implementation + Proficiency in modern frontend technologies including HTML5, CSS3/SCSS, and responsive design principles + Strong communication skills with ability to work effectively with both technical and non-technical stakeholders + Comfortable working in environments with ambiguity and evolving requirements + Proactive problem-solver who surfaces blockers early and drives solutions + Collaborative team player who brings innovative ideas for features and technical improvements **_Preferred:_** + Healthcare or clinical application development experience + Legacy application migration and modernization experience + Azure cloud services familiarity (App Services, Azure Functions) + Experience with patient portal or member-facing applications + Performance optimization and scalability improvements in production systems + Azure DevOps and CI/CD pipeline experience **_What is expected of you and others at this level_** + Applies comprehensive knowledge and a thorough understanding of concepts, principles, and technical capabilities to perform varied tasks and projects + May contribute to the development of policies and procedures + Works on complex projects of large scope + Develops technical solutions to a wide range of difficult problems + Solutions are innovative and consistent with organization objectives + Completes work; independently receives general guidance on new projects + Work reviewed for purpose of meeting objectives + May act as a mentor to less experienced colleagues **Anticipated Pay Range:** $94,900 - $160,000 **Bonus Eligible:** No **Benefits** : Cardinal Health offers a wide variety of benefits and programs to support health and well-being. + Medical, dental and vision coverage + Paid time off plan + Health savings account (HSA) + 401k savings plan + Access to wages before pay day with my FlexPay + Flexible spending accounts (FSAs) + Short- and long-term disability coverage + Work-Life resources + Paid parental leave + Healthy lifestyle programs **Application window anticipated to close** : 12/29/2025 * if interested in opportunity, please submit application as soon as possible. _** The salary range listed is an estimate. Pay at Cardinal Health is determined by multiple factors including, but not limited to, a candidate's geographical location, relevant education, experience and skills and an evaluation of internal pay equity._ _Candidates who are back-to-work, people with disabilities, without a college degree, and Veterans are encouraged to apply._ _Cardinal Health supports an inclusive workplace that values diversity of thought, experience and background. We celebrate the power of our differences to create better solutions for our customers by ensuring employees can be their authentic selves each day. Cardinal Health is an Equal_ _Opportunity/Affirmative_ _Action employer. All qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, ancestry, age, physical or mental disability, sex, sexual orientation, gender identity/expression, pregnancy, veteran status, marital status, creed, status with regard to public assistance, genetic status or any other status protected by federal, state or local law._ _To read and review this privacy notice click_ here (***************************************************************************************************************************
    $94.9k-160k yearly 4d ago
  • Embedded Software Engineering Intern

    Wind River 4.6company rating

    Principal software engineer job in Walnut Creek, CA

    at Wind River Embedded Software Engineer - Intern ABOUT WIND RIVER Wind River is a global leader in delivering software for mission-critical intelligent systems. For more than four decades, the company has been an innovator and pioneer, powering billions of systems that require the highest levels of security, safety, and reliability. Wind River helps customers across automotive, aerospace, defense, industrial, medical, and telecommunications industries solve complex technology challenges on their journey toward the new intelligent machine economy. The company's software powers generation after generation of the safest, most secure systems in the world. Examples include playing a key role in NASA space missions such as Artemis I, the James Webb Space Telescope, and multiple Mars rovers. We've achieved recent 5G milestones including the world's first successful 5G data session with Verizon and building one of the largest Open RAN networks in the world with Vodafone. The company has received industry recognition for its technology innovation and leadership, and for its workplace culture, including global Great Place to Work certification and being named a “Top Workplace” for ten consecutive years. If you want to be part of a unique culture where the lived experience is based on our cultural attributes of growth mindset, customer-focus, and diversity, equity, inclusion & belonging, come join us and help advance the future software defined world. YOUR ROLE We seek a summer intern college students to join our Professional Services Embedded Software Engineering team. This is an exciting opportunity to work on cutting-edge development projects and collaborate with a team of experts in the embedded software field. As a contributing member of our North American team, you'll develop embedded solutions for critical infrastructure industries.In your daily job you will: Develop, implement, and test embedded software systems, including device drivers and Board Support Packages for embedded hardware using Linux, VxWorks Real Time Operating System, or Helix Virtualization Platform Produce high-quality software, including projects that require safety certification Troubleshoot and debug embedded software, solving complex technical issues Collaborate with project teams to deliver mission-critical embedded solutions to clients Participate in design, code, and test reviews; contribute to team and customer technical discussions HOW YOU WILL CONTRIBUTE Key skills and competencies for succeeding in this role are: Pursuing a BS or MS degree in Computer Science, Computer Engineering, Electrical Engineering, or related field Strong academic performance, involved in student groups, volunteer work, leadership Junior, Senior or MS standing for summer internships Strong proficiency in C/C++ programming Experience with embedded systems development (device drivers, boot loaders, Board Support Packages, firmware) and familiarity with embedded processors (ARM, MIPS, x86, PowerPC, RISC V) Excellent communication skills (verbal and written) and ability to work effectively in a team Preferred: Real-time operating system (RTOS) experience (e.g., VxWorks, Linux Preempt-RT, Zephyr) APPLICANT PRIVACY NOTICE: Your privacy is of the utmost importance to us. At Wind River, we strictly adhere to all applicable data privacy laws. Please review Wind River's Applicant Privacy Notice, which can be found here . “Wind River is an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, gender identity, sexual orientation, disability status, protected veteran status or any other characteristic protected by law” SECURITY CLEARANCE REQUIREMENTS Successful candidates must engage in a security clearance process in regard to their citizenship in order to perform fundamental job duties, as per applicable law. In particular, candidates with certain citizenship may not be able to perform such fundamental job duties. Currently, this includes citizens of the following countries: Belarus; Burma; China; Cuba; Iran; North Korea; Syria; Venezuela; Afghanistan; Cambodia; Central African Republic; Cyprus; Democratic Republic of Congo; Ethiopia; Eritrea; Haiti; Iraq; Lebanon; Libya; Russia; Somalia; South Sudan; Sudan; Zimbabwe. The security clearance process may take a significant amount of time to complete, and any offer of employment will be contingent on the candidate's legal ability to perform the fundamental job duties. Wind River is committed to meeting its obligations to candidates under applicable human rights law and privacy law in this regard.
    $96k-126k yearly est. Auto-Apply 60d+ ago

Learn more about principal software engineer jobs

How much does a principal software engineer earn in Davis, CA?

The average principal software engineer in Davis, CA earns between $122,000 and $243,000 annually. This compares to the national average principal software engineer range of $98,000 to $182,000.

Average principal software engineer salary in Davis, CA

$172,000
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