Backend Engineer

Location: San Francisco, CA (Onsite, 5–6 days/week)

Role Overview

Backend Engineer owning core API, data infrastructure, and production systems powering an AI memory platform. This is a high-ownership, founding-level backend role working directly with founders to build scalable, high-performance systems handling millions of interactions.

Responsibilities

• Design and ship production-grade REST APIs including versioning, authentication, rate limiting, and documentation
• Build backend services in Python using modern frameworks such as FastAPI, Django, or Flask
• Model and manage data across relational databases (PostgreSQL) and graph databases (Neo4j or similar)
• Optimize system performance including query tuning, indexing, caching strategies, and latency reduction
• Debug and resolve production issues end-to-end using logs, metrics, and tracing
• Own infrastructure including containerization (Docker), cloud deployment (AWS), and Kubernetes environments
• Implement background jobs, queues, schedulers, and event-driven systems
• Instrument systems with observability tools, metrics, alerts, and tracing for reliability

Requirements

• 5–8 years building backend systems and shipping APIs to production
• Strong Python fundamentals including async programming
• Experience with web frameworks such as FastAPI, Django, or Flask
• Strong SQL and data modeling experience with PostgreSQL or MySQL
• Experience working with graph databases or complex data systems
• Experience deploying and operating systems on AWS with Docker and Kubernetes
• Strong debugging and root-cause analysis skills
• Ability to work onsite in San Francisco