Lucas Muley Vilamu, Developer in Zaragoza, Spain
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Lucas Muley Vilamu

Verified Expert  in Engineering

Software Developer

Zaragoza, Spain
Toptal Member Since
August 12, 2022

Lucas has worked as a freelance for 12 years, mostly remotely. He has recently led a team of five developers and oversaw multiple aspects of development, including the back end, front end, and management. An inquisitive person, Lucas likes to study new programming languages every year, learn from others, and help teammates to improve.


React, TypeScript, Symfony, JavaScript, Front-end, ApexCharts.js, Recoil...
Orix Systems
Laravel, CodeIgniter, Vue, jQuery, PHP, Capacitor, React, WordPress, PrestaShop...
Knowcrunch Inc.
React, Laravel, MariaDB, Sentry, Linux




Preferred Environment

Jira, Visual Studio Code (VS Code), Bitbucket

The most amazing...

...thing I've done is lead a team with five developers to create a marketplace like

Work Experience

Full-stack Developer

2022 - PRESENT
  • Joined the team to help develop new sections of a web application. I created new areas in the web app. I also made different pages depending on the roles of the users that connect to the app.
  • Created multiple sections in the app depending on the user's role.
  • Developed different charts using the ApexCharts.js library.
  • Created a friendly system to request supply to multiple deposits, showing horizontal bars representing the amount of gas each deposit has.
Technologies: React, TypeScript, Symfony, JavaScript, Front-end, ApexCharts.js, Recoil, Docker, Docker Compose, Elasticsearch, Cordova, Cordova Plugins, SCSS, REST APIs, Amazon Cognito, Lambda Functions

Full-stack Developer

2016 - PRESENT
Orix Systems
  • Programmed an administration panel for the clients of an energy company using Laravel, Vue, and Capacitor. Customers can modify their data in this panel and view invoices and consumption.
  • Developed a web application for a public library using CodeIgniter. The app can manage books, students, bookings, and reservations, applying different rules. Also, I programmed the students' private area.
  • Created a web application for managing public claims for the Ventura Fuentes buffet using the Laravel framework.
  • Built a website application using Vue and Firebase that allows users to log in and see music concerts.
  • Developed a web application using Laravel and Vue to manage sports activities in a sports center with thousands of users.
  • Created a new version of a web application for managing a telecommunications company. Also, I moved the app from a PHP to a React version with a new template.
  • Developed different websites that use WordPress and PrestaShop CMS.
  • Developed a website application to create events that have multi-custom field administration. Managed inscriptions for different events using Laravel Forge to deploy the Laravel application.
Technologies: Laravel, CodeIgniter, Vue, jQuery, PHP, Capacitor, React, WordPress, PrestaShop, Yii 2, HTML, CSS, Ajax, Symfony 4, Vuetify, APIs, Bootstrap, Material UI, FontAwesome, PayPal API, Stripe API, Mailjet, SendGrid API, JavaScript, Stripe, Marketplaces, Online Payments, MySQL, Back-end, Full-stack, Laravel Forge, Sentry, Bugsnag, MariaDB, PostgreSQL, REST APIs, SCSS

Full-stack and Front-end Developer (via Toptal)

2023 - 2024
Knowcrunch Inc.
  • Managed the appearance of bugs on the platform. I installed BugSnag to identify bugs quickly.
  • Reviewed and optimized the speed of the entire web platform. Revised the database structure by creating indexes and doing better cache management.
  • Investigated different possibilities in React for creating a page builder.
Technologies: React, Laravel, MariaDB, Sentry, Linux

Chief Technology Officer

2021 - 2022
  • Rewrote an API using Laravel and designed a new private area using a Vue-based framework, Quasar.
  • Created a hybrid app using the React Native framework. Also, I used Expo to export the app to Apple Store and Google Play.
  • Made decisions regarding the database design and the use of necessary technologies to develop the application.
  • Assisted in the decision-making process regarding the startup's marketing.
Technologies: React Native, Vue, Quasar, Laravel, Expo, Visual Studio Code (VS Code), DigitalOcean, Mailjet, Stripe API, Stripe, Front-end, Back-end, Full-stack, PostgreSQL, SCSS, JavaScript

Full-stack Developer

2020 - 2021
Language Republic
  • Managed the technical side of a developer's team following the Scrum methodology.
  • Translated functional requirements for the developer's team using the Scrum methodology.
  • Developed an API using the Laravel framework and the private administrator dashboard using Vue.
  • Managed a website's search engine optimization (SEO) with 10,000 pages in 20 different languages.
Technologies: Vue, Laravel, Scrum, Jira, GraphQL, Vuetify, Bitbucket, Scrum Master, DigitalOcean, WordPress, APIs, HTML, CSS, PHP, jQuery, Bootstrap, PayPal API, Stripe API, JavaScript, Stripe, Marketplaces, Online Payments, MySQL, Back-end, Front-end, Full-stack

Android and Website Developer

2017 - 2019
  • Developed a custom logistics platform to track ships en route using ASP.NET.
  • Created multiple bots with THE Content Grabber software to scrap websites and process data to predict shipment delays.
  • Developed some apps to allow company workers to track the movements of the containers in the company.
Technologies: Android Studio, ASP.NET, Telerik, DataTables, jQuery, Bootstrap, HTML, CSS, Back-end, Front-end, Full-stack, JavaScript

Full-stack Developer | Freelance

2017 - 2018
GameBook Store
  • Created a marketplace using the Laravel framework that allows writers to write an interactive game book.
  • Created an Android app to allow users to read the game books.
  • Programmed Google Ads and Google Checkout to enable earning money from the app.
  • Developed a system to reimburse the writers of the platform.
  • Optimized a MySQL database to manage millions of registers in tables.
Technologies: Laravel, Google Play API, PHP, HTML, CSS, jQuery, Google AdMob, Android Studio, Java, APIs, Marketplaces, Online Payments, Front-end, Back-end, Full-stack, React Native, JavaScript

Website Developer

2016 - 2017
  • Developed an application for the management of public contracts. This application adapts, merges, organizes, and sends data from public contracts to clients.
  • Created a small Android app that receives alerts when the program detects a company's bots running incorrectly.
  • Connected the application for the management of public contracts with the ActiveCampaign API.
Technologies: PHP, Android Studio, jQuery, HTML5, CSS3, WHMCS, Back-end, JavaScript

Website Developer

2015 - 2016
Global Online
  • Developed a private dashboard on the WHMCS website.
  • Tracked and fixed bugs from different WordPress websites.
  • Developed multiple WordPress websites, converting mockups to a formal web.
Technologies: PHP, CSS3, HTML5, cPanel, WHMCS, WHMCS API, WordPress, PrestaShop, JavaScript

Website Developer | Intern

2014 - 2015
Einitia Internet Solutions
  • Developed an app with Android Studio that showed containers in different rows and allowed moving these containers between rows using a drag and drop system.
  • Tracked and fixed different bugs in many WordPress webpages.
  • Created a shipping company dashboard that showed the containers' location. Also, I used data tables to display the data with advanced filters.
Technologies: PHP, WordPress, DataTables, Android, HTML5, CSS3, Bootstrap

Book Game | Writing Interactive Books
A platform for children and adults to write stories and share them with their friends. Since September 2017, I have been developing this marketplace that allows writing and publishing role-playing system book games with 100,000 users. I have created a complete reward system to reward writers depending on the number of visualized ads and the purchased items bought by readers in the app. Also, I have developed an Android app to allow users to read game books on their smartphones.

Marketplace Similar to to Search and Buy Language Courses
I led a team of five developers. We created a marketplace that allows language schools to add language courses with all the data related (timetable, price template, levels, calendar, duration, etc.), which will enable students to search courses by filtering by many parameters (duration, city, price, level, etc.), and checkout. I served as the scrum master. I also translated the client's requirements to technical requirements for the programmers.

Promolop | Loyalty App

I served as a CTO in a startup for the last year, creating an entirely new API with Laravel. I also modified the startup app using React Native, including the code that allowed scanning NFC cards, managing multiple promotions, and programming numerous visual modifications. Also, I solved many errors that the app had. And finally, I uploaded the app to Google Play and App Store. I hired a developer and translated technical requirements for him.
2013 - 2014

Master's Degree in Multiplatform Applications

SEAS, Estudios Superiores Abiertos - Zaragoza, Spain

2004 - 2009

Engineer's Degree in Telecommunication Engineering

University of Zaragoza - Zaragoza, Spain


Blockchain and Smart Contract Course

ITAINNOVA | Technological Institute of Aragon


Swift Course

ITAINNOVA | Technological Institute of Aragon


jQuery, Vue, WHMCS API, React, Google Play API, PayPal API, Stripe API, SendGrid API, Stripe, ApexCharts.js, REST APIs


DataTables, Jira, Bitbucket, Expo, Capacitor, Android Studio, PrestaShop, Docker Compose, Cordova Plugins, Sentry, Bugsnag, Amazon Cognito


Laravel, Bootstrap, Quasar, CodeIgniter, Vuetify, ASP.NET, React Native, Yii 2, Symfony 4, Material UI, Symfony, Recoil


HTML, PHP, HTML5, CSS, JavaScript, CSS3, Java, UML, Swift, GraphQL, TypeScript, SCSS


Visual Studio Code (VS Code), WordPress, Java EE, Telerik, WHMCS, cPanel, Android, Blockchain, DigitalOcean, Docker, Linux


MySQL, PostgreSQL, Elasticsearch, MariaDB, PostGIS




Ajax, APIs, FontAwesome, Engineering, OOP Designs, Ethereum Smart Contracts, Scrum Master, Google AdMob, Mailjet, CTO, Marketplaces, Online Payments, Back-end, Full-stack, Front-end, Laravel Forge, Cordova, Lambda Functions

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