Alex Rivera

Senior Full-Stack Engineer

I build fast, accessible products — from design systems to distributed backends. Five years shipping features at scale for millions of users.

CONTACT_ME VIEW_GITHUB ↗

EXPERIENCE

Vercel Senior Software Engineer San Francisco, CA
2022 – Present
  • >Led the rebuild of the deployments dashboard, reducing p95 load time by 68%
  • >Shipped Edge Config from zero to 10,000+ customers in 3 months
  • >Mentored 4 engineers and ran weekly architecture reviews across 2 time zones
[Next.js][TypeScript][Edge Runtime][Go]
Stripe Software Engineer II Remote
2020 – 2022
  • >Built the Stripe Radar rules engine UI used by 250,000+ merchants globally
  • >Reduced fraud false-positive rate by 23% through improved ML signal features
  • >Designed the webhooks configuration system with a zero-downtime migration
[Ruby][React][Kafka][PostgreSQL]

PROJECTS

OpenBoard

Real-time collaborative whiteboard built on CRDTs. 2,000+ GitHub stars, featured on Hacker News front page.

[Rust][WebSockets][React][Yjs]
LIVE ↗ REPO ↗

Luma CLI

Developer tool for managing multi-environment deployments with zero config. Adopted by 3 YC-backed companies.

[TypeScript][Node.js][CLI]
REPO ↗

Carta Design System

Accessible component library with 60+ components. Cut design-to-code time by 40% across 3 product teams.

[React][Storybook][Radix UI][Tailwind]
LIVE ↗

SKILLS

Languages
TypeScriptRustPythonGoRuby
Frontend
ReactNext.jsTailwind CSSRadix UIFramer Motion
Backend & Infra
Node.jsPostgreSQLRedisKafkaDockerAWS

EDUCATION

B.S. Computer Science UC Berkeley GPA 3.9 · Dean's List · Teaching Assistant for CS61B
2016 – 2020

CONTACT

Alex Rivera

alex@alexrivera.dev
GITHUB ↗ LINKEDIN ↗