Software Engineer, SDK

Join Rad Hires to build SDK tooling and improve developer experiences across multiple languages. This on-site, full-time Software Engineer, SDK role in Williamsburg, Brooklyn, NY focuses on open-source compiler work and SDK generation, with opportunities to contribute as either an SDK Generalist or an SDK Language Specialist.

What you’ll work on

• Deliver feature parity across SDKs, including support for advanced capabilities such as auto-pagination and server-sent events.
• Expand SDK coverage to new languages by building new generators (example languages include Swift, Rust, and Terraform).
• Contribute across multiple codebases using TypeScript, Go, and Python.
• Define what “high-quality” looks like for your language: idiomatic usage, ease of use, and reliability.
• Own core components of the open-source compiler to add key features and strengthen developer experience.
• Stay current on language-specific tools and libraries, and engage with developers through GitHub and community forums.
• Support team growth by contributing to hiring and mentorship as the organization scales, in partnership with leadership.

What you bring

• 4–10 years of professional software engineering experience.
• Deep expertise in one of: Java, PHP, Python, TypeScript, or Ruby (for language specialists).
• Broad technical fluency to contribute across different languages (for generalists).
• Experience working in fast-paced startup environments; founder experience is a plus.
• Strong product thinking and empathy for developer experience.
• Eagerness to work in a polyglot environment.

Compensation & location

Location: Williamsburg, Brooklyn, NY (on-site, full-time)

Salary: $170,000–$230,000 per year

Equity: 0.1%–0.3%

Living proximity bonus: $18K annually for those living near the office

Generalists: $170K–$200K base salary + equity + $18K bonus

Language Specialists: $200K–$230K base salary + equity + $18K bonus

VISA sponsorship: Not currently offered (may consider exceptional candidates)

Benefits

• Health, dental, and vision insurance
• Unlimited vacation
• Meals provided at the office (breakfast, lunch, and dinner)
• Equity and living bonus as described above

Tech stack

• Next.js + Vercel (frontend)
• Claude + Bedrock (LLM)
• Fern (API)
• Express (Node.js) for microservices
• FastAPI (Python)
• Algolia + turbopuffer (search)
• Postgres DB + Prisma (database)
• AWS (cloud)
• GitHub (collaboration)