Lucas Feliciano is an engineering manager and full-stack developer with 11 years of experience building production-grade web applications across frontend and backend stacks. Based in Amsterdam, he progressed at Mollie from Frontend Engineer to Engineering Manager, blending hands-on JavaScript/TypeScript/React and Node.js expertise with leadership in delivery and team growth. He has a strong backend foundation (PHP, GraphQL, MySQL) and a track record shipping internationalization improvements in the widely used next-i18next open-source project. Comfortable bridging product and implementation, he emphasizes pragmatic solutions, test-driven contributions, and scalable client/server integrations. His background—from QA and backend roles to engineering leadership—gives him a holistic view of reliability and developer experience.
Contributions:7 commits, 3 PRs, 76 comments in 4 months
Contributions summary:Lucas primarily focused on enhancing the `i18next/next-i18next` repository by adding features related to custom language detectors and improving internationalization support. They implemented custom detectors, integrated them within the server and browser environments, and also added tests to ensure functionality. Furthermore, the user worked on serializing the i18n instance, and implemented the loading of the main language when specific to a locale.
Contributions:16 commits, 8 PRs, 4 pushes in 2 years 10 months
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