Full-Stack Developer

Alex Rivera — Building fast, reliable, human-centric web apps.

I craft performant, scalable web applications with a focus on developer experience and measurable business outcomes. From concept to deployment, I build products that users love and businesses depend on.

6+ years experience
TypeScript · React · Next.js · Node
Remote / San Francisco

Tech Stack

Technologies

Minimal stack, maximum impact.

TypeScript

Daily driver

React

Production experience

Next.js

App Router expert

Tailwind CSS

Design systems

Redux/RTK

State management

React Query

Data fetching

Framer Motion

Animations

Career

Experience

Building products that scale.

TechFlow Inc.

Senior Full-Stack Engineer

2023 — Present
  • Built a multi-tenant CMS serving 50k+ users; reduced content publishing time by 66% through optimized workflows
  • Architected real-time collaboration features using WebSockets; improved team productivity by 45%
  • Led migration to Next.js 14 App Router; achieved 40% faster page loads and 30% better Core Web Vitals
  • Mentored 4 junior developers; established code review standards and testing practices
TypeScriptNext.jsPostgreSQLRedisDocker

StartupXYZ

Full-Stack Developer

2021 — 2023
  • Implemented React Native + Expo push notifications; boosted 30-day retention by 25%
  • Optimized SSR and caching strategies; improved TTFB by 40% and reduced server costs by $2k/month
  • Built payment integration with Stripe; processed $500k+ in first 6 months
ReactNode.jsExpressMongoDBAWS

Digital Agency Co.

Frontend Developer

2019 — 2021
  • Developed 15+ client websites with focus on accessibility (WCAG AA compliance)
  • Created reusable component library; reduced development time by 35%
  • Implemented automated testing pipeline; caught 90% of bugs before production
ReactTypeScriptTailwindJestStorybook

Portfolio

Projects

Real problems, real solutions, real impact.

Writing

Blog

Thoughts on building fast, friendly software.

Building Real-Time Features with WebSockets and Redis

Mar 15, 20248 min

A deep dive into architecting scalable real-time systems with WebSockets, Redis pub/sub, and horizontal scaling strategies.

WebSocketsRedisArchitecture

Next.js App Router: Performance Patterns That Matter

Feb 28, 202412 min

Practical performance optimization techniques for Next.js 14+ including streaming, partial prerendering, and smart caching.

Next.jsPerformanceReact

TypeScript Patterns for Safer APIs

Feb 10, 202410 min

Type-safe API design patterns using discriminated unions, branded types, and runtime validation with Zod.

TypeScriptAPI DesignDX

Got a challenge? Let's build it.

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