Full Stack Developer
I'm William Urbina, a Full Stack Developer with 5+ years of experience building scalable web apps using Node.js, Laravel, React, and Vue. I focus on writing clean code, improving performance, and creating seamless user experiences. Passionate about problem-solving and team collaboration, I'm always ready to turn ideas into real solutions.
I'm William Urbina, a Full Stack Developer with over 5 years of experience crafting scalable web applications and APIs. I specialize in modern technologies like Node.js, Laravel, React, and Vue.js, and I’m passionate about writing clean, maintainable code that brings real value to businesses.
My career has been driven by a constant desire to learn and solve complex problems—whether it's optimizing backend performance, refining user interfaces, or collaborating in agile environments. I’ve worked with cross-functional teams to build everything from internal tools to large-scale platforms used by thousands of users.
With strong communication skills, a proactive mindset, and a keen eye for user experience, I’m not just a developer—I’m a solution builder who’s always thinking about how to make systems better, faster, and more intuitive.
Let’s build something great together.
A landing page for a Web3 casino game where users can learn about the game and win tPromise tokens through smart contract-based gameplay.
A web application for creating and managing events and concerts, which also serves as an API for a mobile app (Android/iOS) to display all available events.
JustYours is an exclusive adult content platform where users can buy $JUST tokens to access premium content, chat with creators, and more.
Miracle Software helps companies control and optimize their telecom and cloud expenses through smart FinOps solutions. Trusted by banks, governments, and tech firms, we've delivered hundreds of cost-saving projects worldwide.
A house rental platform where users can search properties across all Canadian provinces, contact landlords directly, create rental contracts, and make payments using Stripe (recurring or one-time) or PayPal. The app streamlines the entire rental process—from discovery to payment—in one place.
ZentrooLabs is a team of developers and designers dedicated to building innovative, high-quality software. We focus on client success, agile development, and modern technology to deliver real value.
At Zentroo Labs, I contribute as a Full Stack Developer, actively building scalable digital solutions using modern frameworks. I focus on both frontend and backend development, ensuring high-quality code and performance-driven results.
At Linework, I worked on a mobile application that integrates a social network (Spiral), a marketplace (Bloop), and a crypto wallet for managing BTC, ETH, PEPE, Tether, and LWC. I redesigned the homepage and several key screens, introduced dark mode, and implemented a new login and signup flow. Additionally, I developed a real-time crypto marketplace with interactive charts and coin insights, and refactored inefficient code in both the frontend and backend (Node.js + NestJS) to improve performance and meet tight sprint deadlines.
At WXLLSPACE, a platform for mural artists to showcase work and apply for commissions, I focused on enhancing the user experience and optimizing performance. I refactored backend functions and cleaned legacy code, resulting in a 30% improvement in loading speeds. I redesigned key sections using Tailwind CSS and Material UI and boosted SEO and server-side rendering using Next.js, which improved search visibility and content previews.
As a Full Stack Developer at Age of Sam, a blockchain gaming company based on Solana NFTs, I created a modular component library in React and TypeScript, improving development speed by 40%. I worked with Next.js and Node.js to enhance code quality and reduce bugs, and I implemented MongoDB solutions to optimize data storage and retrieval, reducing database response times by 20%.
In this role, I led the development of a government web application used for registering users into scholarship and training programs. I was responsible for the core system infrastructure, including frontend and backend components. I developed dynamic, intelligent forms with robust validation logic based on user input, which significantly enhanced usability and data quality.
At Symple, I worked on a platform to manage property certificates and services across the UK. I developed tools using Laravel and Vue to automate property processes and integrated over 80% of internal company services with external third-party APIs. I also enhanced the frontend using Inertia.js and Vue.js, leading to a 20% increase in user engagement.
At Trez Labs, a technology agency, I developed web applications for clients across various industries using Laravel and Vue.js. I created modular components to increase development efficiency and implemented advanced MySQL features and state management tools like Vuex and Vue Router to significantly boost application performance and reduce manual processes.