SDK Software Engineer - Equity On-site

Software Engineer, SDK

Location: Williamsburg, Brooklyn, NY (On-site, Full-time)
Salary: $170K – $230K + Equity + $18K Living Proximity Bonus
Visa Sponsorship: Not currently offered (may consider exceptional candidates)

This role is ideal for ambitious engineers with entrepreneurial goals. Many team members are former or future founders, and this opportunity offers a chance to scale a company from $1M to $10M ARR while building tools used by top tech teams shaping the future of software. The team values in-person collaboration and works out of an office in the Williamsburg neighborhood of Brooklyn.

For SDK Generalists:

• Drive feature parity across SDKs — support advanced features like auto-pagination and server-sent events.
• Expand SDK support into new languages (e.g. Swift, Rust, Terraform) by building new generators.
• Contribute across multiple codebases using Type Script, Go, and Python.
• Collaborate with leadership to help grow the team through recruiting and mentorship.

For SDK Language Specialists (Java, PHP, Python, Type Script, Ruby):

• Define what a high-quality SDK looks like in your language: idiomatic, easy to use, and reliable.
• Own core components of the open-source compiler to add key features and improve developer experience.
• Stay up to date with language-specific tools and libraries, and engage directly with developers via Git Hub and community forums.
• Play a key role in hiring and mentoring as the team scales.

• 4–10 years of professional software engineering experience.
• Deep expertise in one of the following languages:
  Java, PHP, Python, Type Script, or Ruby (for specialists).
• Broad technical fluency and 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.

• Salary: $170K–$200K for Generalists, $200K–$230K for Language Specialists
• Equity: 0.1%–0.3%
• Living Bonus: $18K annually for those living near the office
• Visa Sponsorship: Not currently offered; may consider exceptional candidates
• Meals: Breakfast, lunch, and dinner provided at the office
• Insurance: Health, dental, and vision
• Time Off: Unlimited vacation

Next.js + Vercel (Frontend), Claude + Bedrock (LLM), Fern (API), Microservices:
Express (Node.js), FastAPI (Python), Algolia + turbo puffer (Search), Postgres DB + Prisma ORM (Database), AWS (Cloud)