Create beautiful docs, SDKs and secure MCP servers from your API. Scalar keeps every interface in sync as your API evolves. Backed by General Catalyst.
About the role
You'll work across the entire product surface — Docs, SDKs, the API Client, and Agent Scalar (our MCP servers) — shipping features from the API all the way to a polished UI. This is a high-ownership role for someone who likes to take something from an idea to production and out the door, then keep making it better. As a senior engineer, you'll also raise the bar for the people around you — through code review, design discussions, and good defaults — without becoming anyone's manager.
What they're looking for
- You're a strong generalist who has shipped real product end to end, and you've operated at a senior level on a TypeScript-heavy stack
- You can take broad ownership of a feature — from conception to production deployment — and move between areas as the work demands
- You're comfortable in a modern frontend framework and happy working in Vue 3 (or ramping into it quickly)
- You make decisions and communicate them clearly without waiting to be told what to do
- You care about craft and developer experience, and you'd rather collaborate to the right answer than win the argument
- You operate with a high level of kindness and clear communication
More about this role
Building on a great API is one of the best feelings in software — every interface you want is right there, and it all just works. Building on a bad one is the opposite: out-of-date docs, no SDK in your language, no MCP server. We started Scalar to fix that.
We're a small team (around ten engineers and designers) who wear a lot of hats and obsess over our craft. We think every company deserves Stripe-level docs, SDKs, and MCP servers from day zero — not just the ones with a platform team to build them. Open-source is in our DNA: our whole team contributes to and maintains repositories across the API ecosystem, including the standards everyone relies on, like OpenAPI.
We keep things lean and move without layers of process — engineers pick up problems, talk to each other, and ship. We're looking for owners with high agency: people who see what needs doing and do it. If you do your best work with a lot of autonomy and very little ego, you'll feel at home here.
You'll work across the entire product surface — Docs, SDKs, the API Client, and Agent Scalar (our MCP servers) — shipping features from the API all the way to a polished UI. This is a high-ownership role for someone who likes to...
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