Crafting Digital
Experiences That Matter
Hi, I'm Alex Rivera — a Senior Full-Stack Engineer and UI/UX Designer specialized in building modern web applications, scalable backend APIs, and intuitive user interfaces.
About Me
Passionate about building clean code, high-performance web systems, and delightful user experiences.
I am a Senior Software Engineer based in San Francisco with over 5 years of professional experience creating web applications for startups and enterprise clients.
My expertise spans the entire development lifecycle — from initial visual prototyping in Figma, to frontend engineering with React and TypeScript, to backend architecture using Node.js, Python, and PostgreSQL.
When I'm not coding, you can find me contributing to open-source software, writing tech articles, or exploring hiking trails.
Skills & Technologies
A breakdown of my tech stack, frameworks, and developer tools.
Frontend Development
Backend & Database
DevOps & Cloud
Design & Architecture
Featured Work
Explore a selection of recent web products, applications, and open-source systems.
CloudScale Analytics Dashboard
Real-time data streaming analytics platform with custom SVG chart visualizations, user segment tracking, and alert triggers.
EcoMarket Mobile E-Commerce
Mobile application built for eco-conscious shoppers with product barcode scanning, carbon offset calculation, and secure payments.
Design System & UI Component Kit
Modular multi-brand design system featuring 50+ accessible components, interactive tokens, and complete Storybook documentation.
DevPulse Code Review Tool
Automated pull request code review analyzer that highlights performance bottlenecks, security vulnerabilities, and lint errors.
Work Experience
My professional journey and previous employment roles.
Senior Full-Stack Engineer
Leading the core application team building React micro-frontends and Node.js microservices. Improved page load times by 42% and introduced automated CI/CD deployment pipelines.
Frontend Web Developer
Developed responsive web applications, component libraries, and interactive client portals using Next.js and Tailwind CSS.
Junior Software Developer
Built RESTful APIs in Python/FastAPI, integrated PostgreSQL database schemas, and wrote comprehensive unit tests.
What Clients & Colleagues Say
Feedback from team leads, product managers, and startup founders.
"Alex is one of the most talented engineers I have worked with. He has an eye for UI detail and always delivers robust, maintainable code on schedule."
"Alex turned our startup idea into a polished SaaS platform in record time. His full-stack skill set and communication made the whole process effortless."
"Exceptional problem solver! Alex refactored our legacy frontend architecture into a modern design system, boosting developer velocity by 3x."
Contact Me
Have a project in mind, a job opportunity, or just want to say hi? Feel free to reach out!
Let's discuss your next project
I'm available for full-time engineering roles, freelance consulting projects, and tech advisory.