About Marcos
Spanish
Native or bilingual
English
Fluent
Dutch
Basic
Experience
- FreelanceSenior Frontend EngineerTRANSPORTATIONDecember 2025 - Today (6 months)Project about tolls and road management systems in Europe. Developing a new application module using React and TypeScript, focusing on clean architecture and maintainable code.Improved testing strategy by introducing unit tests in the application, and Storybook for component-driven development.
- ExadelSenior Software EngineerFebruary 2024 - November 2025 (1 year and 9 months)Led the migration of a large enterprise application (~200 modules/screens) from Angular.js to React, designing the full migration architecture (strategy, tooling, best practices) adopted by multiple teams. Introduced a micro-frontend architecture using Module Federation, enabling independently deployable vertical slices and long-term scalability. Mentored a team of 15 developers in modern React, architecture, and efficient workflows Built a shared React component library used across several internal projects.
- RepeatMDSenior Fullstack Software EngineerMay 2023 - December 2023 (7 months)Delivered key frontend and backend features for a private-label application used by aesthetic clinics in the USA. Improved code quality by adding missing tests, resulting in a more reliable and maintainable codebase.
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