Tin Ho Chu
Verified Expert in Engineering
Front-end and WordPress Developer
Austin, TX, United States
Toptal member since August 11, 2016
Tin Chu is a software engineer, engineering leader, and technical founder with 15+ years of experience building fintech, SaaS, web, and mobile products. A former Director of Engineering and CTO, he combines hands-on expertise in software architecture, payments, cloud infrastructure, AI, and automation with product and startup leadership. He has founded and built products including VEX Wallet, LaGanga, and AgentsMetrics.
Portfolio
Experience
- Full-stack Development - 14 years
- Responsive Layout - 8 years
- PHP - 8 years
- Responsive Design - 8 years
- Themes - 7 years
- CSS3 - 5 years
- Figma - 5 years
- React - 3 years
Preferred Environment
PhpStorm, Git, MacOS, WordPress, React, Node.js, NestJS, Cursor AI, Next.js
The most amazing...
...thing I’ve built is a fintech platform connecting banking, stablecoins, and local payment rails across Latin America.
Work Experience
CMS Developer
Century Consulting Services LLC
- Developed a versatile Next.js application capable of adapting dynamically to support multiple brands, with its appearance and functionality changing based on the specific brand.
- Migrated all legacy forms from Heroku and upgraded certain additional services, utilizing PostgreSQL as the database.
- Managed 30+ WordPress sites in a high availability setup, ensuring performance, security, scalability, and uptime. Oversaw updates, optimized infrastructure, troubleshot issues, and maintained robust backup and recovery systems.
- Created seamless UI from Figma Designs.
Full-stack Developer
Priceline - Main
- Migrated a middleware from Node.js hosted on Heroku to a custom built plugin to do the same functionality, without making more calls to other services.
- Solved some problems related to security concerns and implemented automation to check the outdated plugins and check if site updates are required and needed.
- Accomplished those requirements within the time span.
Developer | CMS, Chatbot, Front End
PLS Logistics - GoShip
- Coded a custom theme with React Integrations from scratch.
- Coded closely from Sketch Files to templating systems.
- Integrated with their TMS API to provide quotes right from WordPress.
Senior Developer | WordPress and WooCommerce
Fracture, Inc
- Migrated from template to the Gutenberg block system.
- Maintained the website with the latest technology and updates.
- Integrated with custom code from WooCommerce to handle the checkout process.
Developer | CMS and Mailchimp
MIT - Quest For Intelligence
- Integrated with Mailchimp and the campaigns from the Quest.
- Updated the WordPress core and kept it clean from technical debt.
- Created custom post types and followed the Integrations requested.
- Created a new Theme from scratch using PHP and CSS.
CMS Developer
Banknote Corporation of America
- Developed a fully custom WordPress theme from Sketch mockups, delivering pixel-perfect responsive layouts across desktop, tablet, and mobile devices.
- Engineered modular PHP Gutenberg blocks integrated with ACF PRO, empowering marketing editors to build and publish landing pages without developer dependency.
- Configured flexible ACF field groups and custom post types, reducing average page deployment time from several days to under four hours.
WordPress Developer
Ninja Number
- Developed a fully custom WordPress theme from company mockups, ensuring pixel-perfect responsive design across all device breakpoints.
- Extracted legacy theme functionality into standalone custom plugins, decoupling business logic from presentation to enable seamless future theme updates.
- Built and maintained custom API integrations between WordPress and the company's core telephony service, ensuring real-time data synchronization.
- Architected a modular landing page generator using ACF flexible content fields, enabling the marketing team to deploy unlimited conversion pages without developer support.
- Authored comprehensive CMS documentation and editor training guides, reducing content publication onboarding time and eliminating developer dependency for routine updates.
- Developed custom Gravity Forms-to-CRM integration pipelines for lead capture funnels, automatically routing qualified prospects to their sales platform upon submission.
WordPress Developer
Barry O'Reilly
- Developed a fully custom WordPress theme alongside the author, translating brand vision into a responsive, high-performance platform optimized for reader engagement.
- Architected a custom podcast post type with dedicated taxonomy and archive templates, streamlining episode publishing and improving listener content discoverability.
- Built structured custom post types for talks and events, enabling organized content categorization and reducing editorial management overhead.
- Executed weekly SEO optimization sprints using Yoast SEO, refining target keywords and rewriting headlines to drive sustained organic traffic growth.
- Implemented on-page SEO enhancements, including meta optimization and structured headings, improving search visibility and increasing monthly organic impressions.
- Engineered mobile-first responsive layouts with optimized asset delivery, ensuring fast load times and consistent user experiences across all devices.
CMS Front End Developer
Transmille Calibration
- Implemented a new theme migrating all the content that the company has.
- Implemented a tool to handle chat and online support for clients.
- Implemented services that connect users with intranet portals.
WordPress Developer
Accents of France
- Fixed slow loading time.
- Managed the migration to a new hosting provider.
- Fixed some UI issues affecting the UX.
WordPress Developer
Mandaê
- Created custom post types to handle different types of content.
- Created custom plugins that can publish dynamic landing pages with CTA.
- Created different types of functions to activate or deactivate themes depending on the page that is going to render.
- Implemented three layouts at WordPress, from Sketch files provided by an agency.
WordPress/WooCommerce Developer
Universal Yums
- Created a custom theme from a design.
- Created a membership plugin to handle all the flow that a user needs in order to make their membership.
WooCommerce Add-on Developer
Tigo
- Developed a WooCommerce add-on to allow partners to integrate with Tigo Money as their payment gateway.
- Connected the WooCommerce add-on to their servers and made the charge through their API.
WordPress URL Expert
Teachable
- Created custom URL patterns.
- Removed slugs from content types.
WordPress Developer
Trakstar
- Made changes to the WordPress and custom theme repositories via GitHub pull requests.
- Helped keep WordPress version and plugins up to date.
- Used Optimizely to implement A/B tests for behavior changes.
- Implemented better organization of content using custom post types.
- Implemented better search functionality, major UI alterations, behavior, and content changes.
WordPress Developer
Shochu.pro
- Fixed several UX issues.
- Updated plugins and a theme that didn't work well.
- Created a landing page campaign to capture visitor information.
Experience
Tigo Money Payment Gateway Plugin
Ninja Number
Barry O'Reilly
https://barryoreilly.comUniversal Yums
Education
Bachelor Science Degree in System Engineering
Universidad Metropolitana - Caracas, Venezuela
Skills
Libraries/APIs
React Redux, Google Maps, Google Maps API, jQuery, Stripe, Mapbox GL, Node.js, React, WooCommerce API, Vue
Tools
Advanced Custom Fields (ACF), PhpStorm, Git, Bitbucket, Trello, GitHub, Bourbon, Adobe Photoshop, Figma, Gutenberg Editor, ACF PRO, Zapier, Claude, Docker Compose, Sketch 3, Sketch, Jira, Infusionsoft, Webpack, Grunt, Gulp, Docker Hub, Google Kubernetes Engine (GKE), Atom, Optimizely, Adobe Illustrator, Mailchimp
Languages
PHP, Sass, CSS3, JavaScript, HTML, CSS, GraphQL, Less, TypeScript, Python, HTML5, Regex, SCSS
Frameworks
JavaScript MVC, Bootstrap 3, Tailwind CSS, NestJS, Redux, Express.js, AngularJS, React Native, Next.js
Paradigms
Responsive Layout, Scrum, Search Engine Optimization (SEO), Responsive Web Design (RWD), CRUD
Platforms
Docker, WooCommerce, WordPress, Pantheon, WordPress VIP, Kubernetes, Mapbox, Ubuntu Linux, Google Cloud SDK, AWS Elastic Beanstalk, Google Cloud Platform (GCP), Amazon Web Services (AWS), Ubuntu, Visual Studio Code (VS Code), MacOS, Heroku, Shopify, OpenCart, HubSpot
Industry Expertise
Project Management, Web Design
Storage
MySQL, WP Engine, MariaDB, MongoDB, Amazon S3 (AWS S3)
Other
User Experience (UX), Gravity Forms, Responsive Design, APIs, FacetWP, Dokan, WordPress Themes, HTML to WordPress, Scrum Master, Front-end Development, API Integration, WordPress Plugins, WordPress Design, Payment APIs, Supabase, eCommerce, eCommerce APIs, PayPal, Marketplaces, Accessibility, Web Hosting, DNS, ADA Compliance, Full-stack Development, Mobile First, Learning Management Systems (LMS), Themes, Airtable, QR Codes, Full-stack, Artificial Intelligence (AI), Machine Learning, Robot Operating System (ROS), Robotics, Branding, Web App UX, Yoast SEO, JetBrains IDE, Custom Post Types, HTML5 Animations, Workers, Chatbots, Plugins, Cursor AI
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