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# full-stack engineers

- **Company:** THE CODEGEN
- **Location:** San Francisco, CA, United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Programming Tools, Design of User Interfaces, Human-Computer Interaction, Information Retrieval, Python (Programming Language), Next.js, SQLAlchemy, Systems Architecture, Systems Integration, TypeScript, Scripting, Backend, Fastapi, Stripe, Slack, Front End Software Development, Discord
- **Published:** September 21, 2026
- **Apply:** https://www.careerbuilder.com/job-details/staff-full-stack-engineer-san-francisco-ca--a6e3dd18-ebf9-4070-8419-1ace07010a5c

## About the Role

Seeking 2-3 experienced full-stack engineers to lead key backend initiatives and help scale Codegen's core systems from prototype to production. Ideal candidate would have 5+ years of software experience, strong backend engineering skills with Python, and end-to-end ownership of production systems., * 5+ years of professional software experience

 * Strong backend engineering skills with Python (or adjacent ecosystems)
 * Experience designing, building, and maintaining production systems end-to-end
 * Ability to work independently and drive large technical projects
 * Familiarity with system architecture, stateful services, and distributed compute
 * Prior experience at high-performance teams (e.g., Stripe, Palantir, Uber)

Bonus Experience:

 * Building developer bots or integrations in Slack, Discord, etc.
 * Exposure to AI/ML developer tooling (LangChain, OpenAI, Anthropic, etc.)
 * Comfortable leading cross-functional initiatives or mentoring engineers
 * Familiarity with fast-paced, early-stage product iteration cycles, Application Programming Interface (API), Architectural Services, Artificial Intelligence (AI), Cross-Functional, Ecosystems, Engineering, Information Retrieval, Mentoring, Production Systems, Programming Tools, Prototyping, Python Programming/Scripting Language, Slack, System Architecture, Systems Maintenance, User Interface/Experience (UI/UX)

## Description

You'll own and evolve key backend systems that power the Codegen platform. This includes distributed task execution for AI-driven "solves," developer sandbox orchestration and lifecycle management, and systems for ingesting and retrieving customer knowledge. You'll prototype new features end-to-end, then scale and harden them for production use. Working closely with a high-trust, fast-moving team across product, infrastructure, and AI, you'll ship real systems used by developers daily - from Slack workflows to production environments., * Own and evolve core backend systems, including:

 + Distributed task execution for AI-powered "solves"
 + Developer sandbox orchestration and lifecycle management
 + Customer knowledge ingestion and retrieval
 * Prototype features end-to-end, then harden them for scale and reliability
 * Collaborate with a high-trust, fast-moving team across product, infra, and AI
 * Ship real systems that developers use daily - from Slack to production

Our tech stack

 * Backend: Python/FastAPI/SQLAlchemy (Hosted on Modal)
 * Frontend: Typescript/Remix/Prisma/Drizzle (Hosted on Vercel)
 * AI: Langchain, OpenAI + Anthropic APIs


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