Senior Full-Stack Engineer

Alex Rivera

Senior Full-Stack Engineer

Get in Touch View Work

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

Alex Rivera
01

Experience

2022 – Present San Francisco, CA

Vercel

Senior Software Engineer

  • 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.jsTypeScriptEdge RuntimeGo
2020 – 2022 Remote

Stripe

Software Engineer II

  • 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
RubyReactKafkaPostgreSQL
02

Projects

OpenBoard

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

RustWebSocketsReactYjs
View Live ↗ Source ↗

Luma CLI

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

TypeScriptNode.jsCLI
Source ↗

Carta Design System

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

ReactStorybookRadix UITailwind
View Live ↗
03

Skills

Languages
TypeScriptRustPythonGoRuby
Frontend
ReactNext.jsTailwind CSSRadix UIFramer Motion
Backend & Infra
Node.jsPostgreSQLRedisKafkaDockerAWS
04

Education

UC Berkeley

B.S. Computer Science

GPA 3.9 · Dean's List · Teaching Assistant for CS61B

2016 – 2020
05

Contact

Let's create something remarkable together.

alex@alexrivera.dev GitHub ↗ LinkedIn ↗