About Kevin
Frontend developer with over 4 years’ experience developing and optimizing high-traffic e-commerce platforms, used and enjoyed by millions around the globe. Specializing in modern JavaScript frameworks such as React.js, Svelte.js, and Next.js and TypeScript to create scalable, high-performance, and accessible user interfaces. I have shown success in component-driven development, optimizing site speed, and iterating on the user experience at Decathlon across 15+ countries.
French
Native or bilingual
English
Fluent
Spanish
Native or bilingual
Remote only
Primarily works remotely
Experience
- Decathlon InternationalFrontend developerE-COMMERCEOctober 2023 - Today (2 years and 8 months)Barcelona, Spain► Created a scalable, reusable Svelte component library that improved performance and consistency of the platform for e-commerce sites in 15+ countries.► Led A/B tests for new features that resulted in observed improvements in user adoption and conversion rates.► Collaborating with product designers in Figma and Storybook, translating designs into high-quality production-ready code.► Developed and implemented a robust test suite (Jest, Cypress) to increase code confidence and reduce bugs.► Collaborated with cross-country teams to define feature configurations and manage feature requests, ensuring alignment across international markets.
- Decathlon SpainFrontend developerE-COMMERCEMay 2022 - October 2023 (1 year and 5 months)Barcelona, Spain► Improved the core web vitals and made the Decathlon Spain online store more accessible.► Created modular, reusable Svelte components to ease the development of new features.► Developed automated testing frameworks (unit and integration) that ensured stability of the platform.► Reviewed performance metrics collection and analytics tools to identify and resolve performance issues, reducing average load time by 1.5 seconds.► Implemented accessibility standards (WCAG 2.1), making applications more inclusive for all users.► Documented technical solutions and best practices to improve team knowledge sharing.
- SubforceFrontend DeveloperENTERTAINMENT AND LEISUREJune 2021 - May 2022 (11 months)Barcelona, Spain► Created comprehensive web applications on both the client and server-side using React.js and Next.js with secure integrations through backends.► Designed and built scalable state management components using Redux and Context API.► Developed secure user authentication systems and streamlined form validation processes to ensure data integrity.► Designed and created accessible and easy-to-use user-facing form components.► Refactored legacy codebases to modern JavaScript standards, enhancing maintainability and reducing bugs.
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Education
- Full stack web developerAttended Le Wagon Barcelona (Batch 457).20209-week full-time coding Bootcamp learning HTML, CSS, Bootstrap, JavaScript ES6, SQL, git, GitHub, Heroku, and Ruby on Rails. Designed, implemented, and shipped to production a clone of Airbnb and a Rails prototype.
Certifications
- JavaScript: The Advanced Concepts (2021)Udemy2021
- JavaScript Algorithms and Data StructuresFreecodecamp2021