Available to hire
Hi, I’m Lucas Machado, a versatile Full Stack Engineer with over 8 years of experience building modern, scalable, and performant web applications. I specialize in React, Node.js, and PHP (Symfony), and have strong backend knowledge with REST/GraphQL APIs, MySQL, and microservices. I love writing clean, maintainable code and collaborating with teams in remote, agile environments.
I’m passionate about building user-friendly systems with robust backends, intuitive UIs, and cloud-native infrastructure. I enjoy solving complex problems with elegant, maintainable solutions and continuously learning new technologies to improve my craft.
Skills
Language
English
Advanced
Portuguese
Fluent
Work Experience
Senior Full Stack Developer at Serokell
January 1, 2024 - February 28, 2025Migrated an enterprise application to React and Symfony, improving scalability and reducing legacy code. Developed GraphQL and REST APIs using Express.js and Symfony, handling over 100k monthly active users. Created responsive UI with React, Tailwind CSS, and custom hooks, ensuring accessibility. Integrated Docker and GitHub Actions CI/CD pipelines and deployed to AWS (EC2, S3). Optimized SQL queries and schema design for performance using MySQL and PostgreSQL.
Full Stack Developer at TRIAGE
January 1, 2022 - December 31, 2023Built full-stack platforms using React, Express.js, and Apollo GraphQL. Designed performant SQL queries and normalized schemas in MySQL. Led CI/CD integrations with GitHub and Docker, maintaining 99.9% system uptime. Developed unit and integration tests with Jest and Cypress; implemented automated test suites.
Software Developer at Snowman Labs
May 1, 2020 - February 28, 2022Modernized frontend applications with React and GraphQL, improving codebase modularity. Collaborated with backend teams on API design, using Apollo Client for caching. Migrated legacy CSS to Tailwind CSS, enhancing UI consistency and responsiveness.
Freelance Full Stack Developer at Upwork.com
April 1, 2017 - May 31, 2020Delivered over 30 web applications including ecommerce platforms, real-time dashboards, and multiplayer tools. Built full-stack applications with PHP (Laravel), React.js, Node.js, and MySQL. Implemented secure authentication, payment processing using Stripe, and custom CMS features. Maintained Top Rated Plus status with 100% job success.
Senior Full Stack Developer at Serokell
January 1, 2024 - February 1, 2025Migrated enterprise app to React + Symfony, improving scalability and reducing legacy code. Developed GraphQL and REST APIs using Express.js and Symfony, handling 100k+ MAUs. Created responsive UI with React, Tailwind CSS, and custom hooks, ensuring accessibility. Integrated Docker + GitHub Actions CI/CD pipelines and deployed to AWS (EC2, S3). Optimized SQL queries and schema designs for performance with MySQL and PostgreSQL.
Full Stack Developer at TRIAGE
January 1, 2022 - December 31, 2023Built full-stack platforms using React, Express.js, and Apollo GraphQL. Designed performant SQL queries and schema normalization in MySQL. Led CI/CD integration with GitHub and Docker, maintaining 99.9% system uptime. Developed unit and integration tests using Jest and Cypress, implementing automated test suites.
Software Developer at Snowman Labs
May 1, 2020 - February 1, 2022Modernized frontend apps using React and GraphQL to improve codebase modularity. Collaborated with backend team on API design; used Apollo Client for caching. Migrated legacy CSS to Tailwind CSS to boost UI consistency and responsiveness.
Freelance Full Stack Developer at Upwork.com
April 1, 2017 - May 1, 2020Delivered 30+ web apps including ecommerce platforms, real-time dashboards, and multiplayer tools. Built full-stack apps with PHP (Laravel), React.js, Node.js, and MySQL. Implemented secure authentication, payments (Stripe), and custom CMS features. Maintained Top Rated Plus status with 100% Job Success.
Senior Full Stack Developer at Serokell
January 1, 2024 - February 28, 2025Migrated enterprise app to React + Symfony, improving scalability and reducing legacy code. Developed GraphQL and REST APIs using Express.js and Symfony; handled 100k+ Monthly Active Users. Created responsive UI with React, Tailwind CSS, and custom hooks; ensured accessibility. Integrated Docker + GitHub Actions CI/CD pipelines; deployed to AWS (EC2, S3). Optimized SQL queries and schema design for performance with MySQL and PostgreSQL.
Full Stack Developer at TRIAGE
January 1, 2022 - December 31, 2023Built full-stack platforms using React, Express.js, and Apollo GraphQL. Designed performant SQL queries and schema normalization in MySQL. Led CI/CD integration with GitHub, Docker; maintained 99.9% system uptime. Developed unit and integration tests (Jest, Cypress); implemented automated test suites.
Software Developer at Snowman Labs
May 1, 2020 - February 28, 2022Modernized frontend apps using React + GraphQL; improved codebase modularity. Collaborated with backend team on API design; used Apollo Client for caching. Migrated legacy CSS to Tailwind CSS, boosting UI consistency and responsiveness.
Freelance Full Stack Developer at Upwork.com
April 1, 2017 - May 31, 2020Delivered 30+ web apps including ecommerce platforms, real-time dashboards, and multiplayer tools. Built full-stack apps with PHP (Laravel), React.js, Node.js, and MySQL. Implemented secure authentication, payments (Stripe), and custom CMS features. Maintained Top Rated Plus status with 100% Job Success.
Senior Full Stack Developer at Serokell
January 1, 2024 - March 1, 2025Migrated enterprise app to React + Symfony, improving scalability and reducing legacy code. Developed GraphQL and REST APIs using Express.js and Symfony; handled 100k+ MAUs. Created responsive UI with React, Tailwind CSS, and custom hooks; ensured accessibility. Integrated Docker + GitHub Actions CI/CD pipelines; deployed to AWS (EC2, S3). Optimized SQL queries and schema design for performance with MySQL and PostgreSQL.
Full Stack Developer at TRIAGE
January 1, 2022 - December 31, 2023Built full-stack platforms using React, Express.js, and Apollo GraphQL. Designed performant SQL queries and schema normalization in MySQL. Led CI/CD integration with GitHub, Docker; maintained 99.9% system uptime. Developed unit and integration tests (Jest, Cypress); implemented automated test suites.
Software Developer at Snowman Labs
May 1, 2020 - February 28, 2022Modernized frontend apps using React + GraphQL; improved codebase modularity. Collaborated with backend team on API design; used Apollo Client for caching. Migrated legacy CSS to Tailwind CSS, boosting UI consistency and responsiveness.
Freelance Full Stack Developer at Upwork.com
April 1, 2017 - May 31, 2020Delivered 30+ web apps including ecommerce platforms, real-time dashboards, and multiplayer tools. Built full-stack apps with PHP (Laravel), React.js, Node.js, and MySQL. Implemented secure authentication, payments (Stripe), and custom CMS features. Maintained Top Rated Plus status with 100% Job Success.
Education
Bachelor’s at DIMENSIONS International College Singapore
January 1, 2013 - December 31, 2017Bachelor’s at DIMENSIONS International College Singapore
January 1, 2013 - December 31, 2017Bachelor’s at DIMENSIONS International College Singapore
January 1, 2013 - December 31, 2017Bachelor’s at DIMENSIONS International College Singapore
January 1, 2013 - December 31, 2017Qualifications
GraphQL with Apollo & React – Udemy
January 11, 2030 - July 7, 2025React Developer – Meta (Coursera)
January 11, 2030 - July 7, 2025React Developer – Meta (Coursera)
January 11, 2030 - July 7, 2025PHP & Symfony Professional (in progress)
January 11, 2030 - July 7, 2025Advanced Kubernetes & Istio (Pluralsight)
January 11, 2030 - July 7, 2025GraphQL Federation Architecture
January 11, 2030 - July 7, 2025Designing Distributed Systems (Microsoft / Azure)
January 11, 2030 - July 7, 2025GraphQL with Apollo & React – Udemy
January 1, 2023 - July 7, 2025React Developer – Meta (Coursera)
January 1, 2023 - December 31, 2023React Developer – Meta (Coursera)
January 1, 2023 - December 31, 2023GraphQL with Apollo & React – Udemy
January 1, 2023 - December 31, 2023React Developer – Meta (Coursera)
January 1, 2022 - December 31, 2022React Developer – Meta (Coursera)
January 1, 2021 - December 31, 2021GraphQL with Apollo & React – Udemy
January 11, 2030 - July 7, 2025React Developer – Meta (Coursera)
January 11, 2030 - July 7, 2025React Developer – Meta (Coursera)
January 11, 2030 - July 7, 2025PHP & Symfony Professional (in progress)
January 11, 2030 - July 7, 2025Advanced Kubernetes & Istio (Pluralsight)
January 11, 2030 - July 7, 2025GraphQL Federation Architecture
January 11, 2030 - July 7, 2025Designing Distributed Systems (Microsoft / Azure)
January 11, 2030 - July 7, 2025Industry Experience
Software & Internet, Professional Services, Financial Services, Retail
Skills
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