Maya Chen
Seattle, WA · maya.chen@example.com · (206) 555-0142 · linkedin.com/in/mayachen-dev
Experience
Ledgerline · Senior Software Engineer, Payments Platform
Mar 2023 – Present
- Led the rewrite of the card authorization service from a Rails monolith to Go, cutting p99 latency from 480 ms to 95 ms at 3,000 requests per second.
- Designed an idempotency layer for payouts, ending duplicate transfers (about 40 tickets a month).
- Moved nightly settlement to event-driven Kafka workers, finishing reconciliation 5 hours earlier.
- Mentor two engineers; run the team's design review and wrote the on-call runbook used across four services.
Ledgerline · Software Engineer
Jun 2021 – Feb 2023
- Built merchant webhooks (retries, signing, replay) delivering 12M events a day at 99.98% success.
- Cut AWS spend for the API tier by 31% by right-sizing services and adding request-level caching in Redis.
Brightpath Health · Software Engineer
Jul 2019 – May 2021
- Shipped scheduling for 140 clinics in React and Node.js; booking completion rose from 61% to 78%.
- Added Playwright end-to-end tests to CI, cutting production rollbacks from monthly to quarterly.
- Wrote the HIPAA audit-logging service and passed the company's first external security review with no findings.
Projects
pgwatch-lite · Open-source Postgres query monitor (Go)
1.2k GitHub stars
- Slow-query dashboard used by 30+ companies; I maintain releases and review PRs from 25 contributors.
Education
University of Washington · B.S. in Computer Science
2015 – 2019
Skills
Languages: Go, TypeScript, Python, Ruby, SQL
Infrastructure: AWS (ECS, Lambda, RDS), Kubernetes, Terraform, GitHub Actions
Data: PostgreSQL, Redis, Kafka, DynamoDB