• TypeScript
• JavaScript
• React
• Next.js
• Node.js
• Python
• PostgreSQL
• Redis
• AWS (Lambda, ECS, S3)
• Docker / Kubernetes
• GraphQL
• System Design

• Led migration from monolith to microservices, cutting p95 latency by 40% and lifting deploy frequency from weekly to 8×/day
• Designed and shipped a real-time notification platform handling 50M+ events/day with 99.99% uptime
• Mentored 4 mid-level engineers; established team-wide code review standards and on-call playbooks
• Drove adoption of TypeScript across 3 backend services, cutting production type-related incidents by 65%

• Built the core checkout flow used by 500K+ monthly active users, growing revenue conversion by 23%
• Owned Stripe + Apple Pay integration end-to-end including webhook reliability and refund workflows
• Cut AWS infra spend by 30% through right-sizing, caching, and Lambda consolidation
• Delivered 2 major product launches full-stack, from PRD review through post-launch metrics review

• Shipped internal admin tools used daily by 200+ ops staff to triage customer support escalations
• Raised unit test coverage on a legacy Python service from 40% to 85% over two quarters
• Authored the team's TypeScript style guide and ran fortnightly knowledge-sharing sessions

Maintainer of a 4K-star TypeScript ORM with first-class migrations and read-replica support. Used in production by 200+ companies.

Full-stack side project aggregating data from 5 banks via Plaid, with a React frontend and a Go microservice for transaction categorization. ~3K monthly users.

Three-part technical write-up on designing a Redis-backed sliding-window rate limiter, including failure modes and benchmark code. Featured on Hacker News.

Mentor 6 early-career developers per cohort on system design, code review etiquette, and interview prep. 12 mentees placed in full-time SWE roles since 2021.