- Led migration of a monolith to service-based architecture, cutting p95 latency by 38%.
- Designed the event pipeline (Kafka + Postgres) now processing ~4M events/day.
- Mentored 3 mid-level engineers; introduced RFC process for schema changes.
Senior Backend & Full-Stack Developer — Remote (Central Time)
I build backend systems and the interfaces on top of them: APIs that hold up under real traffic, and dashboards people actually enjoy using. Seven years shipping production code in TypeScript, Go, and Python, mostly for data-heavy products.
Self-hosted personal finance tracker with double-entry bookkeeping and CSV import.
github.com/mchen-dev/ledgerly ↗Lightweight Postgres slow-query watcher that posts daily digest reports to Slack webhooks.
github.com/mchen-dev/pgwatch-lite ↗Minimal markdown editor with live preview and local-first sync, built as an Electron app.
github.com/mchen-dev/inkwell ↗Delivery route optimization API demo: solves a constrained VRP and returns GeoJSON routes.
github.com/mchen-dev/routeplan-api ↗University of Illinois at Urbana-Champaign — Focus: distributed systems. Minor in Statistics.
Open to senior backend / full-stack roles and interesting contract work.
[email protected]