Backend Engineer
Core
Building central APIs and backend services to deliver data and calculations efficiently for client developers and end customers.
Role type
Senior Backend Engineer (API & Infrastructure)
Builds
Central API, backend services, and scalable infrastructure for data delivery and new product validation
Domain
Fintech / Data Infrastructure
Deliverable
production ML models
Required skills
Node.js, TypeScript, Postgres, MongoDB, Clickhouse, Redis, Kafka, API design, system scalability, production debugging, engineering standards
Preferred skills
Financial/stock/crypto data processing, LLM and Agent development, complex data dashboard backends
Responsibilities
Build and scale central API and backend services; design intuitive APIs and manage data abstraction; debug production issues across the stack; raise engineering standards and tooling; collaborate with frontend, design, and product teams to ship projects