SDE 2/3 (Backend)
Core
Build and ship next-generation backend capabilities for an agentic AI startup that helps B2B companies show up in AI answer engines.
Role type
Senior Backend Engineer (AI/ML Infrastructure)
Builds
AI-led content research pipelines, webpage generation, lead capture, and integrations for AI answer engines.
Domain
B2B SaaS / AI Infrastructure
Deliverable
production ML models | product features | infrastructure
Required skills
Node.js, Python, AWS (Lambda, ECS, Step Functions, SQS, RDS), API design, async workflows, observability, CI/CD, multi-tenant architecture
Preferred skills
Experience with LLM orchestration, cost optimization for AI flows, rapid prototyping with AI coding tools
Technologies
Node.js, Python, AWS, Lambda, ECS, Step Functions, SQS, RDS Postgres, Mongo, Redis, Sentry
Responsibilities
Design and evolve APIs and services; maintain performant and reliable systems; collaborate on contracts and rollout; own high-risk paths like auth and migrations; write clear documentation.
Seniority
Senior, hands-on IC