Resume
Professional experience & education
Alex Rivera
Senior Frontend Developer · San Francisco, CA
I'm a frontend developer with 5+ years of experience building scalable, performant web applications. I specialize in React and TypeScript, with a strong emphasis on developer experience, accessibility, and thoughtful UI design. I thrive in collaborative teams and care deeply about shipping products users actually love.
Work Experience
TechCorp Inc. · San Francisco, CA
Led frontend development for a high-traffic SaaS platform serving 50,000+ users. Architected component libraries, drove performance improvements, and mentored a team of three junior developers.
- Rebuilt the core dashboard using React 18 and TypeScript, reducing initial load time by 40%
- Designed and documented a shared component library used across 5 product teams
- Introduced end-to-end testing with Playwright, achieving 80% coverage of critical user flows
- Collaborated with design to implement a full redesign using Tailwind CSS v4
Startup Labs · Remote
Built and maintained multiple client-facing web applications for an early-stage product studio. Worked closely with designers and backend engineers in an agile environment.
- Delivered 8 production web applications from design mockup to deployment
- Integrated third-party APIs including Stripe, Auth0, and Mapbox
- Improved Lighthouse performance scores across client projects from an average of 62 to 91
- Introduced TypeScript incrementally, reducing runtime errors in core modules by 60%
Education
B.S. in Computer Science
Graduated with honors. Focused on software engineering and human-computer interaction. Completed a capstone project building a real-time collaborative code editor using WebSockets and React.