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Alex Rivera

Senior Full-Stack Software Developer

hello@alexrivera.devSan Francisco, CAalexrivera.devLinkedInGitHub

Summary

Senior Full-Stack Developer with 8+ years of experience building scalable web applications, design systems, and developer tools. Specialized in React ecosystems, Node.js, and cloud architecture. Led teams of up to 8 engineers and delivered platforms serving 2M+ users.

Skills

Tools:Git, Linux, Vim, Figma, Webpack, Vite, Jest, Cypress, Playwright, Storybook
Databases:PostgreSQL, Redis, MongoDB, Elasticsearch
DevOps & Cloud:AWS / GCP, Docker / Kubernetes, CI/CD Pipelines, Terraform / IaC, Monitoring / Observability, Security / Auth
Backend:Node.js / Express, Python / FastAPI, Go, GraphQL, REST API Design, Microservices
Frontend:React / Next.js, TypeScript, Vue / Nuxt, CSS / Tailwind, Animation (GSAP / Motion), WebGL / Three.js

Experience

Senior Full-Stack Developer

Jan 2023 – Present

TechForge Labs — San Francisco, CA

  • •Architected real-time collaboration engine with <50ms latency
  • •Led team of 8 engineers across 3 product squads
  • •Reduced infrastructure costs by 40% through optimization
  • •Established company-wide engineering standards and code review practices

Full-Stack Developer

Jan 2021 – Jan 2023

Quantum Digital — San Francisco, CA

  • •Built analytics dashboard processing 10M+ events/day
  • •Introduced automated visual regression testing pipeline
  • •Mentored 4 junior developers to mid-level promotions
  • •Optimized database queries reducing P95 latency by 3x

Frontend Developer

Jan 2019 – Jan 2021

Pixel & Code — Portland, OR

  • •Delivered 20+ client projects with 100% on-time rate
  • •Created an open-source animation library (3K+ GitHub stars)
  • •Achieved Lighthouse scores of 95+ across all client projects
  • •Spoke at 3 regional conferences on web animation

Software Engineer

Oct 2015 – Mar 2018

University of California, Riverside — Riverside, CA, United States

Intern

Jul 2012 – Sep 2013

Avajang — Tehran, Iran

Education

University of California, Riverside

2018

M.Sc. in Computer Science

Grade: 3.82/4

Sharif University of Technology

2015

B.Sc. in Computer Engineering

Grade: 3.7/4

Certifications

The React Nanodegree — Udacity (2020)
The Java Web Developer Nanodegree — Udacity (2020)
AI Engineering Specialization — ByteByteGo (2025)

Open Source

  • •Velocity CLI — 12K+ GitHub stars, 500+ contributors
  • •Aurora Design System — Enterprise-grade component library
  • •Regular contributor to React, Next.js, and GSAP ecosystems