Alex Rivera

Career

Resume

5+ years building products people love to use.

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Career Summary

I'm a full-stack engineer and product-minded developer with a passion for building fast, accessible, and beautifully designed web applications. I thrive at the intersection of engineering and design, turning complex requirements into elegant, maintainable software.

San Francisco, CA · Open to Remote
Alex Rivera

Work Experience

Senior Full-Stack Engineer

TechFlow Systems

San Francisco, CA
2024-01Present

Leading frontend architecture for a B2B SaaS analytics platform serving 200,000+ monthly active users. Drove a 40% performance improvement through code splitting and edge caching strategies.

ReactTypeScriptNode.jsGraphQLAWSPostgreSQLVite
  • Architected a reusable component library used across 5 product teams
  • Reduced initial bundle size by 40% through code-splitting and lazy loading
  • Led migration from REST to GraphQL, cutting average API response payloads by 60%
  • Mentored 3 junior engineers through bi-weekly code reviews and pair programming

Software Engineer

Velocity Labs

Remote
2022-032023-12

Built and shipped real-time collaboration features for a design tool used by 50,000+ designers. Owned the full stack from React components to WebSocket server infrastructure.

ReactTypeScriptWebSocketsRedisDockerFigma API
  • Implemented real-time cursor presence and conflict resolution for collaborative editing
  • Built a plugin SDK that enabled 30+ third-party integrations in the first quarter
  • Reduced CI/CD pipeline time from 18 minutes to 6 minutes via parallelization and caching
  • Shipped an accessible design token system that became the foundation of the design system

Education

University of California, Berkeley

Computer ScienceHCIDistributed SystemsAlgorithmsWeb Development
2015-08 — 2019-05

B.S. Computer Science — Graduated with honors (GPA 3.8). Specialized in Human-Computer Interaction and Distributed Systems. Completed a senior thesis on accessibility in single-page applications.

Relevant Coursework: Data Structures & Algorithms, Operating Systems, Computer Networks, HCI Design, Database Systems, Machine Learning

Activities: Teaching Assistant for CS61B (Data Structures), Hackathon organizer, Open Source Club founder

Senior Thesis: "Measuring and Improving Accessibility Compliance in React Single-Page Applications" — presented at the Bay Area Accessibility Summit 2019.

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