Backend Engineer

Fern is revolutionizing how companies handle their APIs by making them more accessible and well-documented. As a Backend Engineer at Fern, you'll be part of a team scaling from $1M to $10M ARR while working with fast-growing tech companies.

The role offers unique opportunities to work on SDK generation across multiple programming languages, implementing features like auto-pagination and server-sent events. You'll be contributing to their open-source compiler and helping expand SDK language support to include Swift, Rust, and Terraform providers.

Working from their office in Williamsburg, Brooklyn, you'll be part of a team that values in-person collaboration. The position requires polyglot programming skills as you'll work with TypeScript, Python, and Go, often within the same week. You'll also work directly with the CEO and CTO to help grow the engineering team.

The tech stack includes Next.js + Vercel for frontend, Express (Node.js) and FastAPI (Python) for microservices, Postgres with Prisma ORM for database, and AWS for cloud infrastructure. They also utilize Anthropic + Bedrock for LLM and Algolia + turbopuffer for search functionality.

Founded in 2022 and backed by YCombinator, Fern has already attracted notable customers including Cohere, ElevenLabs, Webflow, and Merge.dev. The company offers competitive compensation including equity, comprehensive health benefits, and unique perks like a living proximity bonus and meals at the office.

This role is ideal for ambitious engineers with entrepreneurial goals, particularly those with experience in backend or full-stack development who have an eye for creating great developer experiences. The position offers an opportunity to shape the future of API development while working with cutting-edge technologies in a fast-growing startup environment.