Our client is building modern, high-quality SDKs and API documentation tooling that makes developer onboarding seamless. Inspired by what the founders saw at AWS and Palantir, they help teams deliver Stripe-level DX for their APIs. Backed by $13.3M in funding from Bessemer and YC,  is a small, elite team based in Brooklyn.

They are hiring SDK Generalist Engineers, and a SDK Engineer: These candidates should have experience with the following Python, Ruby, PHP, TypeScript, and Java to join us in-person in Brooklyn, NY.

Roles and Responsibilities:

• Develop and maintain SDK generators in specific programming languages (Java, PHP, Python, Ruby, TypeScript)
• For generalist roles: work across multiple languages, designing and evolving code generation infrastructure
• Collaborate closely with other engineers to improve the SDK product
• Shape the developer experience for thousands using Fern-powered SDKs
• Participate in open-source and language communities, contribute to GitHub, and stay informed on ecosystem trends

Job Requirements:

• 4–10 years of software engineering experience
• Deep expertise in one of: Java, PHP, Python, Ruby, TypeScript
• Open-source contributions or technical blogging is preferred
• Experience writing or maintaining code generators or SDKs
• Degree in Computer Science or similar from a top-tier school
• Startup experience is required
• Strong GitHub presence or participation in language ecosystems is preferred
• Experience with OpenAPI, GraphQL, Protocol Buffers, AsyncAPI, or Smithy (AWS) is preferred
• Understanding of runtimes, type checkers, or language-specific nuances is preferred
• High attention to detail and passion for developer experience
• Willingness to learn and work across multiple languages is preferred

Must be able to work without any type of work visa sponsorship currently or in the future. 

If you are from the following background please don’t apply: Large Companies or Consulting Companies only, Coding Bootcamps and short term projects.