Senior backend engineer based in San Francisco. 7+ years building APIs and distributed systems for commerce and SaaS platforms at Afterpay, Cash App, Williams-Sonoma, and MINDBODY.
Backend services in Ruby on Rails and Java/Kotlin Spring Boot, with PostgreSQL throughout. Production work spans API performance (P99 latency optimization, load testing infrastructure), merchant tooling and identity systems, and platform migrations (Heroku to Kubernetes on AWS).
Real estate market intelligence platform Rails 8 and Postgres data pipeline that ingests MLS CSV exports, normalizes inconsistent field formats, and aggregates market signals against real listing data.
Personal relationship manager Rails 8 API with React 19 and Vite, Sidekiq for background jobs. Records the people you know, your interactions with them, the life events that shape those relationships, and how long it has been since you last connected.
Open to Senior Backend Engineer roles in San Francisco and remote.