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Mauricio Robles
Verified Expert in Engineering
JavaScript Developer
Mexico City, Mexico
Toptal member since December 3, 2020
Bio
Mauricio is a self-taught full-stack web developer and tech leader with a bachelor's degree in mathematics and over 10 years of experience. He has created several web and native applications and has led teams of developers and designers. Mauricio loves to work on social-focused projects and coordinate developer teams, where everyone shares their expertise and learns from each other. He would love to work on eCommerce platforms, native apps, and data-focused web apps.
Portfolio
Fullscript - FSLV Holdings LLC
JavaScript, Software Architecture, Node.js, Full-stack, Architecture, Next.js...
Red Games Co.
JavaScript, HTML, CSS, Amazon S3 (AWS S3), Full-stack Development...
Bryce Becker
JavaScript, React, Node.js, Full-stack, Amazon S3 (AWS S3)...
Experience
- React - 12 years
- JavaScript - 12 years
- WordPress - 10 years
- Adobe Illustrator - 10 years
- Node.js - 5 years
- Express.js - 5 years
- Python - 5 years
- Redux - 5 years
Work Experience
Sr Fullstack JavaScript developer for a Digital Health Platform
2026 - PRESENT
Fullscript - FSLV Holdings LLC
- Worked on a HIPAA-compliant application to share educational resources.
- Improved analytics and monitoring tools for admin and stakeholders' consumption.
- Proposed new tools for automated testing, leveraging both AI and standard best practices.
Technologies: JavaScript, Software Architecture, Node.js, Full-stack, Architecture, Next.js, React, Amazon S3 (AWS S3), Claude Code, Full-stack Development, Automated Testing, Docker, Performance Optimization, RESTful Web Services
JavaScript Developer
2026 - 2026
Red Games Co.
- Worked with one of the most famous and popular food chains in the world to provide academic and educational resources to the workers.
- Created an application system that handled complex translations (up to 30 languages) across 30 different markets.
- Created a complete system for an admin-managed matrix that could serve and edit this content in a simple way.
Technologies: JavaScript, HTML, CSS, Amazon S3 (AWS S3), Full-stack Development, Automated Testing, Docker, Google Cloud Platform (GCP), Performance Optimization, RESTful Web Services, Vitest
Full-stack Developer
2025 - 2025
Bryce Becker
- Developed a complete MVP for the client in less than three months. I was in charge of the whole implementation, including DevOps work.
- Proposed alternatives and solutions to make the application fast and scalable.
- Created internal tools for the admins' consumption in a full-stack and scalable way.
Technologies: JavaScript, React, Node.js, Full-stack, Amazon S3 (AWS S3), Full-stack Development, Automated Testing, Google Cloud Platform (GCP), Performance Optimization, RESTful Web Services
React Developer
2024 - 2024
Strata Company
- Worked closely with a team of diverse verticals to create the first MVP of the product.
- Proposed new ideas around back-end optimization with best practices.
- Saved cloud costs by implementing monitoring tools on Azure and IaC.
Technologies: React, Next.js, User Experience (UX), User Interface (UI), Pixel Perfect, Data Visualization, UX Design, UI Design, WYSIWYG Web Builders, Amazon S3 (AWS S3), Full-stack Development, Automated Testing, Docker, Performance Optimization, RESTful Web Services
Front-end Developer
2023 - 2023
Cruise
- Assisted in doing technical architecture and documents for upcoming features.
- Onboarded on different codebases to handle the company's marketing website.
- Handled quick work turnarounds during heavy changes in Q4.
Technologies: JavaScript, React, Gatsby, CSS, TypeScript, SCSS, GraphQL, Contentful, Full-stack, HTML, Consulting, LocalStorage, E-learning, Architecture, Software Architecture, Artificial Intelligence (AI), SQL, Zapier, Amazon S3 (AWS S3), Full-stack Development, Automated Testing, Docker, Google Cloud Platform (GCP), Performance Optimization, RESTful Web Services
Full-stack Developer
2022 - 2023
Furniture.com America LLC
- Developed part of the company's Gatsby front-end application and handled the production launch process.
- Maintained the existing site alongside a team of developers by creating new features and bug fixes. Also helped coordinate front-end team members in the migration of Gatsby to the Next.js framework.
- Proposed and built a new CI/CD pipeline to address the most significant deployment issues by implementing IaC over CloudFormation in AWS.
Technologies: Node.js, React, Gatsby, APIs, Amazon Web Services (AWS), Full-stack, HTML, NoSQL, Consulting, Claude, Cursor AI, System Design, Architecture, NestJS, Software Architecture, Artificial Intelligence (AI), SQL, Zapier, Amazon S3 (AWS S3), Full-stack Development, Automated Testing, Docker, Performance Optimization, RESTful Web Services
Full-stack Integration Developer
2022 - 2022
Nestle Purina - Main
- Developed a middleware between two Magento stores for one of the biggest retailers of vet food.
- Created a functional dashboard integrated with an Express API.
- Accomplished delivering the project on a tight deadline.
Technologies: JavaScript, Node.js, Azure, CI/CD Pipelines, Jest, Bootstrap, Material UI, Ant Design, Angular, React, Vue, MySQL, Electronic Data Interchange (EDI), SAP Electronic Data Interchange (EDI), Full-stack, HTML, Consulting, Azure Functions, System Design, E-learning, Architecture, Software Architecture, SQL, Docker, Performance Optimization
Full-stack Developer
2022 - 2022
Nestlé-Purina
- Integrated into an ongoing project to implement middleware between a legacy system and a new one.
- Created a new application from scratch for the BAs to track up to 50,000 orders a day.
- Achieved close and pleasant communication with the BAs and the engineering departments.
- Provided support for EDI messages to translate them.
Technologies: JavaScript, Node.js, Azure, CI/CD Pipelines, Jest, Bootstrap, Material UI, Ant Design, Angular, React, Vue, Electronic Data Interchange (EDI), SAP Electronic Data Interchange (EDI), Magento 1, Magento 2, Full-stack, HTML, Consulting, System Design, Software Architecture, SQL
Developer Screener
2021 - 2022
Toptal
- Took almost 500 interviews with various candidates, doing both cultural and technical interviews.
- Reviewed close to 300 take-home projects in a variety of languages, like Node.js, React, Java, Swift, Python, etc.
- Collaborated closely with more screeners to mentor and learn new strategies.
Technologies: JavaScript, HTML
Developer Screener
2021 - 2022
Toptal (Screeners)
- Interviewed developers worldwide with different capabilities, personalities, and domain languages.
- Screened approximately 500 developers for Toptal projects.
- Reviewed over 600 online tests, reading and understanding each bit of code.
Technologies: JavaScript, HTML
Senior Front-end Developer
2020 - 2022
AspireIQ
- Grew from a junior to a senior position in one month. Got to learn up-to-date code standards during this period.
- Created cool and exciting features for new clients.
- Mentored new developers and helped them to onboard successfully on the team.
Technologies: React, TypeScript, Node.js, PostgreSQL, Antd, Azure, CI/CD Pipelines, Ant Design, JavaScript, Redux, REST APIs, Git, Cypress, Jest, Jenkins, Figma, Front-end, Front-end Development, Relational Databases, MySQL, APIs, Amazon Web Services (AWS), JSON, JSON API, API Integration, JSON REST APIs, Serverless, Serverless Architecture, GraphQL, Full-stack, HTML, User Authentication, Expo, Mobile Apps, SQL
Tech Leader and Senior Full-stack Developer
2020 - 2020
Online Freelance Agency
- Developed a medical study React Native application.
- Built and led the team for creating a new version of a subscription system web platform.
- Coordinated a team of six front-end, back-end, and DevOps developers.
Technologies: Express.js, Figma, React Native, React, JavaScript, Ant Design, REST APIs, Git, Cypress, Jest, Front-end, Front-end Development, Relational Databases, Amazon Web Services (AWS), MySQL, APIs, iOS, Android, JSON, JSON API, API Integration, JSON REST APIs, AWS Lambda, Lambda Functions, Serverless Architecture, GraphQL, Full-stack, HTML, Expo, Mobile Apps
Tech Leader
2017 - 2020
Animal Político
- Developed all the group sites with WordPress and JavaScript from scratch.
- Coordinated a team of two junior developers to accomplish technical milestones.
- Developed a data analysis platform for finding corruption links in Latin America.
Technologies: NGINX, Apache, React, WordPress, JavaScript, REST APIs, Git, Jest, Figma, Front-end, Front-end Development, Relational Databases, MySQL, Gatsby, APIs, iOS, JSON, API Integration, JSON REST APIs, Full-stack
Senior Full-stack Developer
2015 - 2017
LP WorldWide
- Built a fashion media site for a popular client.
- Developed a platform for a government instance that was used for 1,000 employees.
- Coordinated freelance developers for specific projects.
Technologies: Apache, Sketch, Python, PHP, Adobe Illustrator, Adobe Photoshop, JavaScript, React, REST APIs, Git, Figma, Front-end, Front-end Development, Relational Databases, MySQL, APIs, React Native, JSON, API Integration, JSON REST APIs, Full-stack
Project History
Furniture.com
https://furniture.comFurniture.com is the next most popular furniture marketplace in the USA. I worked as a tech lead developer and managed the engineering team, driving the team to success and efficiency while keeping morale high and dynamic
Sinapsis
Sinapsis is an online platform for journalists to find links between entities and help find corruption schemas in Latinamerica. This project helped several journalists with famous Mexican investigations that were even awarded, like La Estafa Maestra, a famous report on corruption in Mexico.
Siempre en Casa
Created and coordinated the team for version 2 of Siempre en Casa, a web-based platform for beer subscriptions with a headless Shopify CMS. The technologies used were TypeScript, Express.js, and React (Next.js).
Skills
Libraries/APIs
jQuery, React, React Redux, Mapbox GL, Node.js, REST APIs, JSON API, LocalStorage, Antd, Vue
Tools
Adobe Illustrator, Adobe Photoshop, Sketch, Figma, GitHub, Composer, Git, Claude, Claude Code, Vitest, Slack, Postman, Visual Studio, Jenkins, Expo, Zapier, Apache, NGINX, Prettier, Bower, NPM, SAP Electronic Data Interchange (EDI)
Languages
JavaScript, PHP, TypeScript, HTML5, CSS3, CSS, GraphQL, HTML, SQL, Python, SCSS
Frameworks
Redux, OAuth 2, Vanilla JS, React Native, Next.js, Ant Design, Cypress, Jest, NestJS, Express.js, Bootstrap, Material UI, Angular
Paradigms
Automated Testing, Serverless Architecture, UX Design, UI Design
Platforms
WordPress, Amazon Web Services (AWS), Docker, Google Cloud Platform (GCP), Azure, iOS, Android, AWS Lambda, Azure Functions, Magento 1, Magento 2, Contentful
Storage
Relational Databases, MySQL, JSON, Amazon S3 (AWS S3), PostgreSQL, NoSQL
Industry Expertise
E-learning
Other
Front-end, Front-end Development, APIs, API Integration, JSON REST APIs, Serverless, Full-stack, User Authentication, Cursor AI, System Design, Architecture, Software Architecture, Artificial Intelligence (AI), Full-stack Development, Performance Optimization, RESTful Web Services, Gatsby, CI/CD Pipelines, Lambda Functions, Consulting, Mobile Apps, Geometry, Linear Algebra, Calculus, ESLint, Electronic Data Interchange (EDI), User Experience (UX), User Interface (UI), Pixel Perfect, Data Visualization, WYSIWYG Web Builders
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