SeniorStaff Full Stack Engineer

Were looking for a senior or staff-level full stack engineer to build the systems and interfaces that help the worlds best and brightest build in the U.S.

Our stack is React TypeScript and Tailwind on the frontend; Python PostgreSQL and GraphQL on the backend.

Youll work across the entire system from our internal case management tools and applicant-facing portal to the backend APIs event pipelines and AI agents that power them. Some of the problems ahead of us:

• Building agentic systems that automate complex multi-step legal workflows end-to-end: drafting reviewing filing.

• Redesigning our task and workflow orchestration to be more robust and scalable.

• Improving the architecture of our backend services event system and scheduled job infrastructure.

• Shipping polished fast interfaces for both our internal legal-ops team and our customers.

• You have 6 years shipping product across frontend and backend.

• Youre comfortable working across TypeScript Python and React.

• Youve led projects end to end across the whole stack and shipped to a large customer base.

• You can take a hard problem in a complex unfamiliar system and drive it to a working solution.

• You have high agency especially for independent research and problem-solving.

• You care about the details: clean APIs fast UIs well-structured data models.

• Lighthouse is an engineering-led company. We get to pick/veto what we build.

• We spend a considerable chunk of time with users (the legal operations team or customers) to find and pick what to build. Some projects our team has worked on include:

  • A real-time collaborative text editor using CRDTs

  • An LLM agent framework with tools for case automation

  • A custom PDF compilation pipeline on serverless infrastructure

  • Autonomous letter-drafting agents powered by LLMs

• We ship multiple times a day with a preference for testing ideas out quickly and polishing over time.

• We sponsor visas obviously.

• Competitive base and equity scales with experience.

• Competitive medical dental and vision benefits.

• 401k with a 3% company match.

• Equipment/office stipend.

• Annual team off-site in cool places.

• In person in San Francisco or New York.

Lighthouse is an equal opportunity workplace; we welcome people from all backgrounds communities and experiences. To apply email your resume and something youve built to . If selected well schedule a call to get to know you better and do a deep technical dive into the work youve chosen to highlight.

Required Experience:

Staff IC