Alex Chen
Software Engineer
San Jose, CA • alex.chen@email.com • github.com/alexchen • linkedin.com/in/alexchen
Professional Summary
Software engineer with 5 years of experience building distributed backend systems in Go and TypeScript. Scaled a payments API from 2M to 40M monthly requests at 99.99% uptime while cutting p95 latency 60% and infra cost $220K/year.
Experience
Software Engineer II
2022 – PresentFinFlow (payments infrastructure, Series D)
- Scaled core payments API from 2M to 40M monthly requests by introducing async job queues (Kafka) and read replicas, maintaining 99.99% uptime
- Cut p95 latency from 800ms to 320ms through query optimization, Redis caching, and connection pooling — saved $220K/year in compute
- Designed and shipped idempotency layer for payment retries, eliminating a class of double-charge incidents (from ~15/month to zero)
- Led migration of 12 services from EC2 to Kubernetes; wrote the internal deployment runbook now used by 40+ engineers
Software Engineer
2020 – 2022Brightline Apps
- Built REST and GraphQL APIs in Node.js/TypeScript serving 300K MAU across web and mobile clients
- Raised unit test coverage from 20% to 75% and added CI gates, cutting production regressions by half
- Implemented full-text search with Elasticsearch, improving search conversion 18%
Skills
Education
B.S., Computer Science
UC San Diego • 2020