Hi, I'm Alex Rivera
I design & build
digital experiences
Full-stack developer specializing in React, TypeScript, and design systems. I create clean, performant, and user-focused web applications.
About Me
I'm a full-stack developer and designer with over 8 years of experience building digital products that people love. Based in San Francisco, I specialize in creating clean, performant web applications using modern technologies.
My journey started with a fascination for the intersection of design and technology. Today, I bring that same curiosity to every project, whether it's crafting pixel-perfect interfaces, architecting scalable backends, or designing intuitive user experiences.
When I'm not coding, you'll find me contributing to open-source projects, mentoring aspiring developers, or exploring the latest design trends.
My Expertise
A versatile skill set spanning frontend development, backend engineering, and design.
Frontend
Backend
Design
Featured Work
A selection of projects that showcase my approach to design and development.
E-commerce Platform
A full-featured online store with real-time inventory, payment processing, and an admin dashboard for managing products and orders.
Design System
A comprehensive component library and design system powering consistent user experiences across multiple products.
Analytics Dashboard
An interactive dashboard for monitoring key business metrics with real-time data streaming and customizable charts.
Mobile Fitness App
A cross-platform fitness tracking app with workout plans, progress analytics, and social features for community engagement.
Career Journey
A timeline of my professional growth and the companies I have contributed to.
Senior Developer
TechCorp
- Led a team of 6 developers building microservices architecture serving 2M+ users
- Reduced page load times by 40% through performance optimization and code splitting
- Established engineering best practices and mentored junior developers
Senior Developer
TechCorp
- Led a team of 6 developers building microservices architecture serving 2M+ users
- Reduced page load times by 40% through performance optimization and code splitting
- Established engineering best practices and mentored junior developers
Full-stack Developer
StartupXYZ
- Built the core product from scratch using React, Node.js, and PostgreSQL
- Implemented CI/CD pipelines reducing deployment time from hours to minutes
- Collaborated directly with founders to shape product strategy and roadmap
Full-stack Developer
StartupXYZ
- Built the core product from scratch using React, Node.js, and PostgreSQL
- Implemented CI/CD pipelines reducing deployment time from hours to minutes
- Collaborated directly with founders to shape product strategy and roadmap
Frontend Developer
DesignStudio
- Developed responsive web applications for clients across healthcare and fintech
- Created reusable component libraries adopted across multiple client projects
- Introduced automated testing practices increasing code coverage to 85%
Frontend Developer
DesignStudio
- Developed responsive web applications for clients across healthcare and fintech
- Created reusable component libraries adopted across multiple client projects
- Introduced automated testing practices increasing code coverage to 85%
Junior Developer
WebAgency
- Built and maintained client websites using modern JavaScript frameworks
- Collaborated with designers to translate mockups into pixel-perfect interfaces
- Gained experience with agile methodologies and cross-functional team workflows
Junior Developer
WebAgency
- Built and maintained client websites using modern JavaScript frameworks
- Collaborated with designers to translate mockups into pixel-perfect interfaces
- Gained experience with agile methodologies and cross-functional team workflows
What Clients Say
Feedback from people I have had the pleasure of working with.
“Alex delivered an exceptional product that exceeded our expectations. His attention to detail and ability to translate complex requirements into elegant solutions is remarkable.”
“Working with Alex was a game-changer for our startup. He not only built a robust platform but also helped us think through the architecture for long-term scalability.”
“Alex combines technical expertise with genuine design sensibility. The result is always something that looks beautiful and works flawlessly under the hood.”
“Alex redesigned our entire web platform and the results speak for themselves — 60% increase in user engagement within a month.”
“Working with Alex was effortless. He understood our vision immediately and delivered a brand identity that perfectly represents us.”
“The mobile app Alex designed for us won a design award. His attention to micro-interactions sets him apart from other designers.”
Frequently Asked Questions
Find answers to common questions about my services, process, and availability.
I typically take on 2-3 projects at a time to ensure dedicated attention. Current availability is 3-4 weeks out. For urgent projects, I can sometimes accommodate tighter timelines — reach out to discuss.
I follow a structured 4-phase approach: Discovery (requirements and research), Design (wireframes and prototypes), Development (coding and testing), and Delivery (deployment and handoff). You're involved at every stage.
I offer project-based pricing tailored to scope and complexity. After our initial consultation, I provide a detailed proposal with clear deliverables, timeline, and cost breakdown. No hidden fees or surprises.
My core stack is React, TypeScript, Node.js, and Tailwind CSS. I also work with Next.js, Vue.js, PostgreSQL, and various cloud platforms. I choose the best tools for each project's specific needs.
Yes, I offer monthly maintenance retainers that include bug fixes, security updates, performance monitoring, and feature enhancements. This ensures your project stays healthy and up-to-date long after launch.
Let's Work Together
Have a project in mind or just want to chat? I'd love to hear from you. Send me a message and I'll get back to you within 24 hours.