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We’re building a real-time AI App Builder.
We’re hiring a Senior Backend Engineer, someone who specializes in turning complex backend designs into production-grade code.
This role values precision, correctness, and reliability over architectural creativity.
Your Mission
Implement the designed architecture faithfully
Build high-performance streaming endpoints
Run non-blocking background pipelines:
- billing (token counting)
- versioning
- persistence
- analytics
Ensure correctness under:
- client disconnects
- retries
- concurrent requests
Translate diagrams and specs into clean Node.js + TypeScript code
Critical Mental Model
We explicitly separate:
- Request lifecycle (HTTP connection)
- Workflow lifecycle (business logic)
Client disconnects must not:
- cancel persistence
- corrupt state
- leak memory
Candidates who naturally reason in this model will feel at home here.
Tech Requirements
- Strong Node.js + TypeScript
- Web Streams API
- Abort handling & cleanup
- PostgreSQL (schemas, constraints, migrations)
- Concurrency awareness (race conditions, idempotency, immutability)
Runtime Reality
- Next.js 14 App Router
- Some workloads run outside Next.js in long-running Node services
- Experience with Docker / VPS / cloud runtimes is a plus
Nice to Have
- Background job systems
- Streaming infrastructure
- Durable workflows
- Billing or analytics pipelines
Key Skills
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