BuildForever
Backend Engineer
San Francisco / New York · Full-time · Posted Oct 30, 2026
- Experience
- No specific number of years; the posting says exact years do not matter.
About the job
Designs and builds backend, data, and infrastructure systems for consumer products, including ML-powered features, with close collaboration across product and design.
What you'll do
- Architect and maintain backend systems, including APIs, data pipelines, queues, cloud infrastructure, and internal tools.
- Own services that process, enrich, classify, and search large volumes of user data; evolve infrastructure foundations.
- Translate product ideas into reliable systems, prototype new directions, and bring production-grade features to users.
What they ask for
- Strong backend or infrastructure engineering experience.
- Systems-thinking ability across data flows, APIs, events, and services.
Nice to have
- Python, FastAPI, TypeScript, Postgres/SQLModel, Redis, or Cloud Run.
- Experience with data pipelines, distributed systems, LLM integrations, embeddings, vector databases, retrieval systems, or GCP.
Tools
GCP, Cloud Run, Python, FastAPI, TypeScript, Postgres/SQLModel, Redis, Pub/Sub
AI focus
Builds ML-powered product features and may involve LLM integrations, embeddings, vector database patterns, or retrieval systems.
Model-written summary · the original posting is authoritative