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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead Full-Stack Product Engineer IV - **Company:** Pacific Northwest National Laboratory - **Location:** Richland, WA, United States - **Experience:** Expert - **Salary:** $161,300.0 - **Contract:** Temporary contract - **Skills:** Adobe Analytics, HTML, JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, User Authentication, Cascading Style Sheets (CSS), Computer Programming, Data as a Services, Interaction Design, Open Source Technology, Ui Patterns, Responsive Web Design, Software Engineering, Software Systems, TypeScript, Web Applications, User Controls, ReactJS, Backend, Dynamic Content, Front End Software Development, Virtual Agents - **Published:** August 21, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3361183712&tx=YT606CYT&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * PhD and 3 years of Software Engineering experience -OR- * MS/MA and 5 years of Software Engineering experience -OR- * BS/BA and 7 years of Software Engineering experience -OR- * AA and 16 years of Software Engineering experience in designing, architecting, programming, deploying, and automating software solutions in support of scientific research or consumer digital product development -OR- * HS/GED and 18 years of Software Engineering experience in designing, architecting, programming, deploying, and automating software solutions in support of scientific research or consumer digital product development, * Demonstrated technical influence or thought leadership through open-source maintainership, technical publications or talks, recognized domain expertise, community building, or initiatives that elevate others in the technical community. * Experience translating ambiguous mission needs into actionable roadmaps, guiding teams through MVP scoping, dependency sequencing, and evolving requirements while managing risks. * Experience mentoring engineers at various levels through code and design reviews, pairing, career guidance, and preparing them for larger technical scopes. * Experience building production web applications, reusable component libraries, and complex, data-rich, responsive user interfaces using React, TypeScript, JavaScript, HTML, and CSS. * Experience applying user-centered product development practices such as interaction design, information architecture, usability testing, prototyping, and requirements gathering with modern frontend and backend technologies. * Experience designing and developing interfaces and backend services for AI-assisted workflows, including user controls, feedback mechanisms, and oversight to improve trust, transparency, and explainability. * Experience leading technical direction, establishing engineering best practices, securing funding, and demonstrating technical influence through open-source, publications, talks, or community initiatives. Hazardous Working Conditions/Environment Not applicable. Additional Information This position requires the ability to obtain and maintain a federal security clearance. A security clearance background investigation includes review of your employment, education, financial, and criminal history, as well as interviews with you and your personal references, neighbors, and co-workers to determine trustworthiness, reliability, and loyalty to the United States. The investigation also examines your foreign connections, drug and alcohol use, foreign influence, and overall conduct., * U.S. Citizenship * Background Investigation: Applicants selected will be subject to a Federal background investigation and must meet eligibility requirements for access to classified matter in accordance with 10 CFR 710, Appendix B. * Drug Testing: All Security Clearance positions are Testing Designated Positions, which means that the applicant selected for hire is subject to pre-employment drug testing, and post-employment random drug testing. In addition, applicants must be able to demonstrate non-use of illegal drugs, including marijuana, for the 12 consecutive months preceding completion of the requisite Questionnaire for National Security Positions (QNSP). Note: Applicants will be considered ineligible for security clearance processing by the U.S. Department of Energy if non-use of illegal drugs, including marijuana, for 12 months cannot be demonstrated. ## Description We are seeking a talented Lead Full-Stack Product Engineer to help design and build the human-facing layer for next-generation AI systems at PNNL. You will develop intuitive, trustworthy, and effective interfaces that help people work with complex data, dynamic content, and user-facing AI agents. This is a hands-on technical leadership role with substantial independence in ambiguous, high-impact areas. You will help set product direction, translate open mission needs into executable plans, establish reusable UI and platform foundations, and partner with researchers, engineers, designers, mission experts, sponsors, and end users to turn emerging ideas into products that are technically sound and genuinely valuable., * Lead the design and development of production web applications and reusable interface architectures using React, TypeScript and/or JavaScript, HTML, and CSS. * Define product direction and technical approaches for adaptive, data-intensive experiences that support collaboration between people and AI agents. * Translate ambiguous mission needs, competing priorities, and unclear constraints into credible technical plans, including an MVP, sequencing, dependencies, risks, and explicit tradeoffs. * Work across the stack to ensure interfaces are supported by reliable APIs, data services, authentication, observability, deployment practices, and maintainable technical foundations. * Design AI-assisted and human-in-the-loop workflows with appropriate transparency, user control, feedback, approval, and recovery when an AI agent is uncertain or wrong. * Contribute production-quality code while setting a high bar for usability, accessibility, performance, security, observability, maintainability, and visual craft. * Lead and mentor engineers across experience levels through code and design review, pairing, technical direction, and career guidance; raise engineering standards across the team. * Lead technical content for proposals, scope and shape new efforts, identify sponsor opportunities, and represent the group's capabilities to sponsors, collaborators, and the broader community. * Guide products from early concept through operational use and continuously improve how the team discovers, designs, builds, evaluates, and learns from what it delivers. ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Geometric deep learning for drug discovery](https://www.wearedevelopers.com/videos/264-geometric-deep-learning-for-drug-discovery) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) - [Slopquatting, API Keys, Fun with Fonts, Recruiters vs AI and more - The Best of LIVE 2025 - Part 2](https://www.wearedevelopers.com/videos/1765-slopquatting-api-keys-fun-with-fonts-recruiters-vs-ai-and-more-the-best-of-live-2025-part-2) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Dev Digest 129 - Now that's what I call private data!](https://www.wearedevelopers.com/magazine/468-dev-digest-129-now-that-s-what-i-call-private-data) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Résumé-Driven Development: How IT trends affect the job market for software developers](https://www.wearedevelopers.com/magazine/59-resume-driven-development-how-it-trends-affect-the-job-market-for-software-developers) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)