Stainless is a fast-growing tech startup building the future of APIs. Our customers include industry leaders like OpenAI, Anthropic, and Cloudflare.
We have raised over $35 million from a16z, Sequoia, and founders/C-levels from Stripe, Datadog, Segment, Linear, and more.
We are headquartered in NYC, just west of SoHo, and are a team of ~60 strong expecting to double in the next ~9 to 12 months.
RoleWe’re hiring a product engineer for our Web Apps team to shape the future of our self-serve product.
You’ll be an early member of our Web Apps team, a small team responsible for our SDK Studio and public API. You’ll be responsible for all aspects of feature development from crafting thoughtful design docs to writing UI and backend code.
This is an in-person role based in New York City or San Francisco.
What you'll doShip large improvements to Stainless’s SDK Studio with a focus on empowering self-serve users.
Build LLM-powered tools to simplify our users’ path for going from OpenAPI spec to production-ready SDK.
Design + build public APIs that underly the Stainless platform.
Shape the direction of our nascent API Framework.
Talk with developers at small startups, growth-stage companies, and enterprises to understand their needs.
Write great docs, help build a great website, do what needs done.
Experience level sufficient to build anything you can imagine, with great design and sound architecture.
A demonstrable track record of building modern web applications in Typescript and React.
Excellent product sensibility.
A true passion for developer experience and empathy for developers from all backgrounds.
Experience generating SDKs with Stainless.
Familiarity with OpenAPI and the broader API tooling ecosystem.
Experience and/or interest in writing blogs, speaking at conferences and engaging with developer communities.
Experience both designing and stewarding APIs at scale, whether internal or external.
Expertise with TypeScript, our language of choice.
Broad polyglot interest/experience – comfort working across multiple programming languages.
You’ve started something before: a business, a club, a nonprofit, a student org; anything that shows you’re a builder at heart.
We offer competitive salary and generous equity grants.
Great healthcare coverage options (e.g., fully covered platinum plans).
Paid commuter benefits & similar.
Paid team lunch/meals during workdays.
Flexible PTO plus 3 weeks of company-wide vacation a year (2 weeks in December, 1 week at the end of the summer).
Flexible WFH and 1 month fully remote per year ("remote February").
Top Skills
What We Do
✱ Stainless provides robust & polished SDKs for your REST API.
They're idiomatic, type-safe, and engineered to feel like handwritten code.
API-first companies like OpenAI, Anthropic, Meta, Cloudflare, and Scale use Stainless to generate SDKs trusted by millions of developers.
