Timothy Cevallos

Comprehensive Web Solutions: Development, Implementation, and Maintenance Tailored to Your Needs, Big or Small.

  1. I build fast, scalable web apps
  2. Focus on UX, performance, and accessibility
  3. Shipping on time with clean code
8+
Years Experience
100k+
Daily Visitors
50+
Projects
Developer illustration

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.

Frontend
React, Next.js, TailwindCSS
Backend
PHP, Laravel, WordPress
Mobile-First
Responsive Design
UI/UX
Modern Interfaces

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

3+years

React

Component-based UI library

5+years

TypeScript

Type-safe JavaScript

3+years

PHP

Server-side scripting

8+years

Laravel

PHP web framework

5+years

WordPress

CMS & custom development

8+years

PostgreSQL

Advanced relational database

4+years

Tailwind CSS

Utility-first CSS framework

4+years

Also Proficient In

Frontend

JavaScriptHTML5CSS3ReactNext.jsTypeScriptTailwind CSSAlpine.jsjQuerySCSSBootstrapResponsive DesignWCAG/Accessibility

Backend

PHPLaravelWordPressNode.jsNestJSPythonFastAPIREST APIsGraphQL

Databases

PostgreSQLMySQLRedisDrizzle ORMPrismapgvectorQdrant

AI & ML

OpenAI APIClaude APIRAG PipelinesLangChainVector SearchEmbeddingsPrompt Engineering

DevOps & Tools

GitDockerVercelAWSCI/CDLinux

Integrations

StripeStripe ConnectClerk AuthAuth.jsSendGridGoogle APIsMeta APIsWebhooks

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 — project preview
Analytics

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.

Next.js 16React 19TypeScriptTailwind CSS+6 more
Paganki SaaS Platform — project preview
SaaS Platform
Live site

Paganki SaaS Platform

Multi-tenant SaaS platform for invoice management with Stripe Connect integration, subscription billing, and merchant onboarding across multiple languages.

Next.jsNestJSPrismaStripe Connect+5 more
AX AI Support Platform — project preview
AI Powered

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.

Next.jsFastAPIPythonQdrant+7 more
Nielsen — project preview
Enterprise
Live site

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.

GutenbergChart.jsGoogle APIWordPress+12 more
Learn Athlean-X — project preview
High Traffic
Live site

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.

WordPressJavaScriptPHPHTML+15 more
Athlean-X — project preview
High Traffic
Live site

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.

LaravelWordPressJavaScriptPHP+12 more
Athlean-X Portal — project preview
PWA App
Live site

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.

Zend FrameworkJavaScriptPHPHTML+11 more
Antamba — project preview
Custom Build
Live site

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.

WordPressWooCommerceJavaScriptPHP+9 more
Island Painting — project preview
AI Powered
Live site

Island Painting

Designed and developed a WordPress-based promotional site for a local business, optimizing performance and tracking for lead generation.

WordPressJavaScriptPHPHTML+7 more
Bikerevier — project preview
Custom Build
Live site

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.

WordPressWooCommerceJavaScriptPHP+8 more