About
Alex Rivera is a Senior Full-Stack Developer specializing in building delightful, high-performance web applications with a strong focus on clean UX, accessibility, and measurable results. With expertise in Next.js, React, TypeScript, and Node.js, he is adept at leveraging modern full-stack technologies like Postgres, Prisma, tRPC, and GraphQL to deliver robust, scalable solutions. He actively explores cutting-edge innovations such as edge runtimes and server actions to optimize developer experience and application performance.
Work
Remote, Any, US
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Summary
Led full-stack development and architectural migration for Porty Labs, enhancing performance and developer workflows.
Highlights
Spearheaded the migration to Next.js App Router and Server Actions, optimizing application architecture for enhanced scalability and performance.
Developed a dynamic portfolio template system utilizing MDX content, enabling flexible and efficient content generation.
Significantly improved Core Web Vitals, reducing Largest Contentful Paint (LCP) by 35% and Cumulative Layout Shift (CLS) by 60%.
Introduced a Playwright E2E testing suite and CI checks, boosting code quality and deployment reliability.
San Francisco, CA, US
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Summary
Designed and implemented critical frontend features and infrastructure for Acme Corp, focusing on user experience and maintainability.
Highlights
Shipped a reusable component library built with React and Tailwind CSS, standardizing UI/UX and accelerating development cycles.
Implemented robust feature flags and A/B testing frameworks, enabling data-driven product decisions and controlled feature rollouts.
Enhanced accessibility from AA to AAA compliance on key user flows, significantly improving user experience for diverse audiences.
New York, NY, US
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Summary
Contributed to core development at ByteWorks, focusing on data visualization and system reliability.
Highlights
Developed interactive dashboards using Chart.js, integrating with REST APIs to visualize key data metrics.
Authored comprehensive integration tests, reducing bugs and improving overall system stability.
Streamlined error handling processes, enhancing application resilience and user feedback mechanisms.
Education
Frontend Masters
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Certificate
Advanced React & TypeScript
Courses
Advanced patterns
Performance optimizations
Type-safe component APIs
University of California, Berkeley
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B.S.
Computer Science
Courses
Algorithms
Databases
Operating Systems
Human-Computer Interaction
Awards
Winner DevCon Hackathon
Awarded By
DevCon Hackathon
Built a real-time collaboration tool judged Best Product.
Open-Source Contributor
Awarded By
Open-Source Community
Contributions merged into popular open-source libraries (documentation, fixes, developer experience improvements).
Employee of the Quarter
Awarded By
Acme Corp
Recognized for exceptional delivery speed and cross-team mentorship.
Skills
Programming Languages
TypeScript, JavaScript.
Frontend Frameworks
React, Next.js, Tailwind CSS, Radix UI.
Backend Technologies
Node.js, Express, tRPC, GraphQL, Prisma, PostgreSQL, Stripe, ClickHouse.
Testing & Quality Assurance
Playwright, Jest, ESLint.
DevOps & Cloud
Docker, AWS, Vercel, CI/CD.
Tools & Methodologies
Zod, Storybook, MDX, Server Actions, Edge Runtimes, WebSockets.