Timothy Cevallos
Comprehensive Web Solutions: Development, Implementation, and Maintenance Tailored to Your Needs, Big or Small.
- I build fast, scalable web apps
- Focus on UX, performance, and accessibility
- Shipping on time with clean code
About Me
I’m a self-taught full-stack web developer with extensive experience in building web applications and responsive user interfaces. I love solving problems of any scale and always find solutions, even to the most complex challenges.
In my free time, I seek balance in all aspects of life. You’ll find me experimenting in the kitchen, tending to my garden, or staying active and fit.
Ready to Work Together?
Let's build something amazing
Technical Skills
From building scalable web applications to implementing AI-powered solutions, here's my technical toolkit.
Primary Stack
Next.js
Full-stack React framework
React
Component-based UI library
TypeScript
Type-safe JavaScript
PHP
Server-side scripting
Laravel
PHP web framework
WordPress
CMS & custom development
PostgreSQL
Advanced relational database
Tailwind CSS
Utility-first CSS framework
Also Proficient In
Frontend
Backend
Databases
AI & ML
DevOps & Tools
Integrations
Work Experience
Full-stack developer specializing in building scalable web applications, e-commerce platforms, and AI-powered solutions. From high-traffic WordPress sites serving 100k+ daily visitors to custom SaaS platforms with Stripe integrations, I deliver end-to-end solutions that drive business results.
Selected Projects
Showcasing impactful web solutions that drive business success and user engagement
Parking Operations Analytics Platform
Full-stack financial analytics dashboard for multi-location parking operations, enabling real-time transaction synchronization, shift-level revenue tracking, and comprehensive monthly reporting.
Paganki SaaS Platform
Multi-tenant SaaS platform for invoice management with Stripe Connect integration, subscription billing, and merchant onboarding across multiple languages.
AX AI Support Platform
Production-grade RAG-powered AI support platform with vector search, multi-LLM support, and intelligent content recommendations for Athlean-X customer support.
Nielsen
Developed dynamic Gutenberg blocks to enhance editor capabilities, including a custom Chart.js block that ingested Google Sheets data for real-time visualization. Improved performance, accessibility, and overall usability across the platform.
Learn Athlean-X
Managed full-stack development of a high-traffic WordPress blog with a custom JavaScript-based cart system. Enhanced usability, performance, and editor workflows with custom themes, plugins, and integrations.
Athlean-X
Developed a custom Laravel-powered backend with a fully bespoke cart and product system. Optimized for performance, scalability, and user-friendly e-commerce experiences.
Athlean-X Portal
Built and maintained a custom MVC web application using Zend Framework 1, including a proprietary API for support and cross-server communication. Redesigned and modernized the entire portal into a mobile-first progressive web application.
Antamba
Built a fully custom WooCommerce e-commerce site for a client, handling design, functionality, and optimization from end to end. Integrated with Google and Meta for tracking and advertising.
Island Painting
Designed and developed a WordPress-based promotional site for a local business, optimizing performance and tracking for lead generation.
Bikerevier
Redesigned and optimized a WooCommerce-powered WordPress site for a bicycle shop in Switzerland. Improved responsiveness, modernized styling, and streamlined the shopping experience for better conversions.






