Technical Success Manager
You'll drive success for strategic customers like **Cloudflare**, **Google**, and **OpenAI** by managing complex technical relationships and ensuring exceptional outcomes. Your core impact will be **identifying risks** and **expansion opportunities** across multiple accounts. You'll also **investigate and triage** sophisticated technical issues with grace.
Remote|Full-time|Software
Product Marketing Manager
You'll drive product marketing for our **API developer platform** products, working with customers like OpenAI and Cloudflare. You'll help **build and scale marketing** from the ground up at a high-growth startup. Your work will shape **messaging and value capture** in the developer community.
Software Engineer, Generalist
You'll build core systems that form the foundation of the company, acting with high ownership in a **collegial atmosphere** and **pitching in across every aspect** of the business. Your work will directly impact **APIs used by industry leaders** like OpenAI and Cloudflare.
Hybrid|Full-time|Software
You'll be the first Sales Engineer at Stainless, a fast-growing devtools startup, partnering with AEs to run demos, lead technical discovery, and build light POCs. Your work will directly **land and expand strategic accounts** with customers like OpenAI and Anthropic. This role is **high-leverage at the intersection of sales and engineering** in a **well-funded, rapidly scaling company**.
Senior|Full-time|Software
You'll join the Web Apps team to shape the **self-serve product** and build **LLM-powered tools** that simplify shipping production-ready SDKs. You'll talk to developers from startups to enterprises to understand their needs.
Hybrid|Full-time|Software
Business Operations Generalist
You'll drive operational excellence and growth as Stainless scales from ~50 to 100+ people. You'll **own diverse business functions** before specialized hires, partnering with the Head of Biz Ops on **strategic projects, GTM, and company culture**. This is a high-impact role with a path to **Founder, COO, or GM**.
You'll support **rapid hiring growth** at a **fast-paced NYC tech startup** by coordinating interviews and ensuring a **seamless candidate experience** across engineering, design, product, and GTM teams.
You'll own a vertical slice of our stack—product, backend, and infrastructure—with real ownership over people, process, and technical. You'll **lead a high-performing engineering team** and drive execution on a mix of product work and infrastructure. You'll also **recruit top engineers** and **take on ambiguous cross-functional problems**.
You'll **commit high-quality code** to Stainless and customer SDKs while **supporting leading AI companies** like OpenAI and Anthropic. You'll **shape product direction** as the voice of customers in a fast-growing startup.
You'll shape the complete developer experience at Stainless, designing product interfaces and brand identity for our API platform. You'll work across the full spectrum of design, from refining existing functionality to launching new products. This role offers the chance to **establish design culture** and **grow the design team** at a fast-growing startup.
Senior|Full-time|Software
You'll join a **fast-growing API startup** building SDKs for industry leaders like OpenAI. You'll shape your own role across engineering, product, or go-to-market. As an ex-founder, you'll **wear many hats** and help scale the team from 60 to 120.
You'll lead **field marketing strategy** for a **fast-growing API startup**, turning targeted events into pipeline and closed revenue. You'll partner with sales to create memorable experiences that position Stainless as the **API partner of choice** for enterprise companies.
Engineering Manager, SDKs
You'll lead product development for our SDK generator, managing 6-12 engineers to ship **new SDK generator features** with high technical quality. You'll partner with **OpenAI and Anthropic** on API design, and mentor engineers toward rapid career growth. This role reports to the CEO and is onsite in Manhattan.
Hybrid|Lead|Full-time|Software
You'll own full-cycle recruiting across engineering, go-to-market, and operations roles, partnering directly with leadership to shape how we find, attract, and bring on exceptional people. You'll help **evolve our hiring motion** and provide insights that guide our approach. This is a chance to **build from the ground up** in a fast-growing startup.
You'll join a fast-growing API startup as the first Product Manager, working directly with the founder and engineering team to shape the product roadmap. Your core impact will be translating customer needs into high-leverage product decisions that scale. This role offers a **ton of ownership** and the chance to **help build from the ground up**.