
Guillem L
FullStack Developer
Compétences

Voir mes services

Expérience professionnelle
Frontend Engineer
Filmika • Temps plein
May 2024 - Present • 2 yrs
Frontend Engineer at Filmin, contributing to the streaming platform used across web browsers and TV apps. • Developing and maintaining features in React and TypeScript, with emphasis on clean, reusable component architecture. • Performance engineering: optimising rendering, network usage and bundle size to ensure a smooth experience on low-powered devices. • Cross-browser compatibility from Chrome 23 to the latest stable release, including legacy smart TV environments — covering everything from CSS/LESS workarounds to polyfill strategy. • Working on the video player, including subtitle rendering and playback UI. • Production observability: instrumenting and monitoring with Sentry for errors, Mixpanel for user behaviour and Youbora (NPAW) for video QoS. • Writing and maintaining technical documentation in Notion to support team collaboration and onboarding.
Fontend Engineer
CaixaBank • Temps plein
Dec 2022 - May 2024 • 1 yr 5 mos
• Development of multiple front-end projects, leveraging React JS for dynamic user experiences and Stencil for custom widget creation. • Migration of legacy mydomain website to a modern, React JS-based architecture. • Launch of features & bug fixes • Ensoure robust component functionality by implementing Jest for comprehensive testing, achieving over 90% coverage. • Maintain and optimize codebase, promptly resolving bugs to ensure seamless operation. • Management of the deployment of updates