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Staff Backend Engineer, Platform

Zeit AiMunich🇩🇪Germany

Why this role stands out

This role offers a unique opportunity to directly shape the growth of an innovative AI platform, tackling complex scaling challenges with significant autonomy. You'll thrive here if you have a proven track record of scaling multi-tenant data platforms and are eager to architect and build robust backend systems for a rapidly expanding company. Apply now to make a substantial impact on Zeit Ai's future!

Quick overview

SeniorityMid Senior
Employment typeFull Time
Work modeOn Site
LocationMunich, Germany
DockerSupabaseSnowflakeCloudflareDatabricksReactTypeScript

Job description

Opportunity

  • ZeitMind is an autonomous data engineer for mid-market businesses. Agents and people work the same company data: ingest, pipeline, clean, analyse, build operational apps

  • we are growing fast and will be onboarding multiple enterprise customers a week. The backend isn't ready yet, your impact will decide the speed at which we can grow

  • load growth is compounding: more customers, multiple users per customer, many agent interactions per user and multiple agent artifacts (data pipelines, schedules, analyses) coming out of the interactions

  • you own the platform

What you'll do

  • scale a multi-tenant Postgres under unpredictable load: query and I/O optimisation, read/write separation, horizontal scaling

  • make agent-driven workloads survivable: one user can spin up 30 table syncs, some running hours, while others query large sources

  • manage the sandbox layer: Docker containers where agents run queries and reverse-engineer files, with compute and memory budgets

  • own connectivity into customer networks: SOCKS5 over WebSockets, authentication, routing

  • scope the architecture and build it

What we're looking for

  • staff or principal level, still hands-on, writing production code

  • built and scaled multi-tenant data platforms in a B2B startup or platform company before

  • deep Postgres or database knowledge: query plans, locking, I/O, caching, replication, sharding

  • understands startup pace and ownership without specs

  • pragmatic over ideal, wants to build foundations right without overengineering

  • strong TypeScript

  • English C1, German a plus

Nice to have

  • experience at a data platform or warehouse company (Snowflake, Databricks, Cloudflare or similar)

  • networking depth: proxies, VPN, routing

Location

  • preferred: Munich, on-site. We support relocation within Europe

  • already in London? We can make that work. We have people here and are opening a small office, and we'd expect regular Munich travel. In-person culture is important to us

Tech stack

  • TypeScript end to end. Bun, tRPC, Postgres, Supabase. React frontend (Mantine, TanStack Query). Docker, job/process management, VPN/routing, agentic frameworks

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ApplyOr apply on Zeit Ai's site