Agentic Marketing Platform. Backed by Peak XV and Y Combinator.
About the role
You'll own the layer that sits between raw infrastructure and the product surface marketers touch: the campaign execution engine, the multi-tenant platform APIs, durable and stateful orchestration, and the SDKs and interfaces other teams (and our customers) build on. This is a high-leverage role, since the abstractions you design determine how fast everyone above you can move.
What they're looking for
- 5+ years building large-scale distributed systems, with a track record of systems that sit between infrastructure and product (platform/API/SDK teams, execution engines, workflow orchestration, internal platforms)
- Deep experience with stateful, concurrent systems, with a strong grasp of consistency, idempotency, and failure modes
- You think in abstractions and contracts, and you've built interfaces other engineers depend on
- Comfort operating across the stack, from low-level systems concerns up to the developer experience of the people consuming your platform
- We care more about how you think about systems than which specific tools you've used
More about this role
Marketing teams still ship campaigns by hand. We're replacing that with agents that write, test, and runs campaigns itself, and the systems you'd build are what make that possible at scale.
Apply directly at getjust.ai/careers for the fastest review — we check that inbox first and it's a quicker application than YC's.
We're a YC-backed team building the AI platform that runs marketing for the world's best companies. Marketers describe a campaign in plain language, and our platform turns it into running code that generates, tests, and executes personalized messaging across email and push at scale.
We were at X during the Elon takeover. I had to rewrite the backend infrastructure that now powers the core user and tweet services. You'll get to work closely with us.
You'll own the layer that sits between raw infrastructure and the product surface marketers touch: the campaign execution engine, the multi-tenant platform APIs, durable and stateful orchestration, and the SDKs and interfaces other teams (and our customers) build on. This is a high-leverage role, since the abstractions you design determine how fast everyone above you can move. In your first quarter you might design how we...
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