> Markdown version of [/jobs/ext/4562225-founding-engineer](https://www.wearedevelopers.com/jobs/ext/4562225-founding-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Founding Engineer - **Company:** VALIUS, LLC - **Location:** San Francisco, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Amazon Web Services, Big Data, Bioinformatics, Cloud Computing, Cloud Engineering, Information Engineering, Data Infrastructure, Python (Programming Language), Software Architecture, Software Engineering, TypeScript, Tailwind, ReactJS, Backend, Fastapi, Build Tools, Front End Software Development, Data Pipelines - **Published:** November 4, 2026 - **Apply:** https://startup.jobs/founding-engineer-valius-sciences-10658684 ## About the Role * 5+ years of professional software engineering experience * Strong full-stack foundation, with particular depth in back-end systems, data infrastructure, and cloud architecture (Python, FastAPI, AWS/GCP, data pipelines), plus front-end experience (React, TypeScript, Tailwind) * Experience making architectural decisions * Track record of taking ownership and shipping features end to end * Strong product instincts and the ability to work with non-engineering stakeholders to shape roadmaps * Strong communication skills * Excitement about working in a fast-moving, early-stage environment where the scope of the role will evolve * Experience in or exposure to life sciences, genomics, bioinformatics, or a related field * Commitment to our patient-focused mission Other nice to haves * Experience as an early engineer or founding engineer at a startup * Experience mentoring engineers or acting as a tech lead * Background in data engineering or working with large datasets * Experience integrating AI features in production applications * Interest in growing into an engineering leadership role as the company scales ## Description * Shape technical direction and roadmap: Partner with the founding team and science team to set the technical vision and roadmap for our internal and external applications. * Own architecture, infrastructure, and pipelines: Make key decisions on system design, cloud infrastructure, data pipelines, and our security and compliance posture, then implement them end to end. This includes building and maintaining the systems that reliably ingest, process, and manage patient molecular data. * Build intuitive front-end applications: Design and develop AI-powered interfaces that make complex molecular data accessible and actionable for patients, clinicians, and scientists. * Partner with computational biologists: Work closely with our science team to build tools that speed up their work. * Uphold engineering rigor: Write clean, well-tested code and set a high standard for reliability and maintainability across the codebase. * Contribute across the company: Pitch in on cross-functional initiatives and bring an engineering perspective to company-level decisions.