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Alex Rivera

Full Stack Software Engineer

📍 San Francisco, CA (Open to Remote)✉️ alex.rivera.dev@example.com📞 +1 (555) 234-5678🌐 alexrivera.dev 🐙 github.com/alexrivera 💼 linkedin.com/in/alexrivera-dev

Professional Summary

Performance-focused Full Stack Engineer with 4+ years of experience architecting resilient web applications in TypeScript, React, Next.js, and Node.js. Proven track record of optimizing microservices, reducing AWS infrastructure latency by 35%, and driving high-converting developer UX.

Technical Skills

Languages: TypeScript, JavaScript (ES6+), Python, SQL, HTML5, CSS3

Frameworks: React, Next.js (App Router), Node.js, Express, Tailwind CSS, Redux Toolkit

Databases: PostgreSQL, MongoDB, Redis, Supabase, Prisma ORM

Cloud / DevOps: AWS (S3, EC2, Lambda), Vercel, Docker CI/CD, Linux, Nginx

Tools & Testing: Git, GitHub Actions, Docker, Webpack, Vite, Jest, Playwright

Employment History

Senior Frontend Engineer · CloudFlow Technologies2023-01 – Present | San Francisco, CA

Spearheaded redesign of core analytics dashboard in Next.js 14 and Tailwind, improving Core Web Vitals LCP by 45% and Lighthouse score to 98.
Engineered reusable design system components in TypeScript with 100% WCAG AA accessibility compliance across 12 product modules.
Integrated real-time WebSocket state synchronization, cutting redundant API polling by 60% and decreasing server payload bandwidth.

Full Stack Developer · Nexus Software Labs2021-03 – 2022-12 | Austin, TX

Designed and maintained 15+ RESTful and GraphQL endpoints in Node.js and PostgreSQL handling 2M+ monthly API queries.
Implemented Redis distributed caching layer for database query responses, dropping p95 latency from 240ms to 42ms.
Authored comprehensive end-to-end testing suites with Jest and Playwright, lifting code coverage from 62% to 89%.

Technical Projects

DevPulse - Realtime Collaborative Code Editor (Next.js, TypeScript, WebSockets, Tailwind, Monaco Editor)

Demo GitHub

Architected an in-browser collaborative code editor with Operational Transformation (OT) supporting concurrent multi-cursor editing.
Built instant code execution sandbox with Web Workers supporting JavaScript, Python, and TypeScript.

Algorun - DSA Algorithm Visualizer & Sound Synth (React, Web Audio API, Canvas, Tailwind CSS)

Demo GitHub

Implemented 8 interactive sorting and pathfinding algorithms with step scrubbing and harmonic Web Audio frequency modulation.

Education

Bachelor of Science in Computer Science · University of California, Berkeley2021 · GPA: 3.8 / 4.0

Certifications

Full Stack React & TypeScript Certified Developer · Priygop Verified Certification2024

AWS Certified Solutions Architect – Associate · Amazon Web Services (AWS)2023

Languages

English: NativeSpanish: Conversational

Leadership & Activities

Open Source Contributor · Next.js & React Ecosystem2022 - Present

Contributed bug fixes and performance improvements to popular open-source developer tooling with 200+ stars on GitHub.