Software Engineer, SDK Generalist

Fern is a Series A startup building tools to help companies offer world-class APIs. They're seeking a SDK Generalist Engineer to join their team in Brooklyn, NY. The role focuses on defining and implementing modern SDKs across multiple programming languages.

The position offers a competitive salary range of $170K-$210K with equity and requires 3+ years of software development experience. As an SDK Generalist, you'll work on their open source compiler, drive feature parity between different programming languages, and expand SDK language support to include technologies like Swift, Rust, and Terraform.

The team consists primarily of ex-Palantir and ex-founders, operating from their Williamsburg office. Fern is experiencing significant growth (5x year-over-year) and has raised over $10M from Bessemer and Y Combinator. They emphasize high trust and autonomy, quick shipping cycles, and minimal bureaucracy.

The role requires strong communication skills, significant TypeScript experience, and expertise in multiple programming languages. You'll work directly with customers to solve technical problems and shape the product through hands-on feedback. The company offers comprehensive benefits including health insurance, unlimited vacation, free meals, and both domestic and international team offsites.

What makes this opportunity unique is the combination of early-stage startup experience, technical depth across multiple languages, and direct impact on developer experiences at major companies. The position is ideal for engineers who enjoy polyglot programming and want to influence the future of API development tools.