Developer Jobs in Williamsburg, Brooklyn

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1mo ago

Software Engineer, SDK

Rad Hires Williamsburg, Brooklyn, NY

Williamsburg, Brooklyn, NY

1mo ago Closed

$170k - $230k/yr Full time Programming Programming Language Programming Languages

This position is no longer accepting applications (closed Sep 16, 2026).

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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