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Job Description

The Software Engineer, SDK role at Rad Hires is an on-site, full-time position in Williamsburg, Brooklyn, NY. The team builds and improves open-source compiler and SDK tooling, supporting SDK generalists and SDK language specialists across multiple languages and developer experiences.

Responsibilities

  • Deliver feature parity across SDKs, including advanced capabilities such as auto-pagination and server-sent events.
  • Increase SDK coverage for additional languages (for example, Swift, Rust, and Terraform) by building new generators.
  • Contribute across multiple codebases using TypeScript, Go, and Python.
  • Work with leadership to support team growth through recruiting and mentorship.
  • Define what a high-quality SDK looks like in your language, focused on idiomatic design, ease of use, and reliability.
  • Own key components of the open-source compiler to add features and improve the overall developer experience.
  • Stay current with language-specific tools and libraries, and engage with developers directly through GitHub and community forums.
  • Contribute to hiring and mentoring efforts as the team scales.

Requirements

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

Technology Stack

  • Frontend: Next.js, Vercel
  • LLM: Claude, Bedrock
  • API: Fern
  • Microservices: Express (Node.js)
  • Backend: FastAPI (Python)
  • Search: Algolia, turbopuffer
  • Database: Postgres DB, Prisma ORM
  • Cloud: AWS
  • Languages referenced: Java, PHP, Python, TypeScript, Ruby, Swift, Rust, Terraform, Go
  • Collaboration: GitHub

Compensation

USD 170,000 – 230,000 per year, plus equity and a living proximity bonus. Generalists are listed at $170K–$200K, and language specialists at $200K–$230K.

Benefits

  • Equity: 0.1%–0.3%
  • Living Bonus: $18K annually for those living near the office
  • Meals: breakfast, lunch, and dinner provided at the office
  • Insurance: health, dental, and vision
  • Time Off: unlimited vacation

Location and Work Details

  • Location: Williamsburg, Brooklyn, NY
  • Work model: on-site
  • Employment type: full-time

VISA Sponsorship

Visa sponsorship is not currently offered. It may be considered for exceptional candidates.

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