Wilian Revejes
Frontend Engineer building fast, reliable web and TV experiences with React, React Native, LightningJS, and TypeScript — with deep experience in OTT video, DRM, and performance.
About
Frontend Engineer with 6+ years of experience building web and TV products with React, React Native, LightningJS, and TypeScript. My background includes 5+ years in OTT/video products and 2+ years hands-on with Smart TV applications. At AgileTV, I develop a performance-critical Smart TV interface with LightningJS, using list virtualization and rendering optimizations to sustain 60 fps on target devices. Previously, I worked on video-player and purchase flows with React Native, ReNative, and Bitmovin, and spent 17 months coordinating multi-platform delivery across five countries.
Work Experience
Frontend Engineer · AgileTV
Nov 2023 — PresentCurrent Smart TV product — LightningJS, TypeScript. Develop a performance-critical Smart TV interface with LightningJS, using list virtualization and rendering optimizations to sustain 60 fps on target devices. Previous OTT product — React Native, ReNative, Bitmovin. Delivered live, VOD, and catch-up playback, HLS streaming, multi-DRM and CDN resilience, EPG and content screens, analytics, device sign-in, and an end-to-end purchase flow. Built custom Performance API instrumentation and reduced channel-change time by approximately one third.
Scrum Master / Projects Analyst · AgileTV
Jun 2022 — Nov 2023Coordinated two simultaneous OTT product streams across a ~16-person cross-functional org spanning Web, Android, iOS, and Smart TV. Delivered 18+ epics end to end — writing functional specifications, translating Figma designs into implementation stories, and coordinating stakeholders across five countries. Spearheaded a Smart TV launch on major platforms, coordinated live ad delivery, drove the Multichannel EPG (vertical virtualization + D-pad spatial navigation), and led an analytics restructuring to GA4 + QoE analytics.
Frontend Engineer — Web · AgileTV
Apr 2021 — Jun 2022Frontend engineer on a large web streaming platform, built on Next.js. Rebuilt the web video player from scratch, replacing an off-the-shelf player foundation with a custom HTML5 solution on hls.js. Redesigned the main content carousel's architecture and rendering logic, measurably cutting the time-to-first-render of the visible tiles (measured with User Timing marks). Built Chromecast integration end to end, restructured routing across live audio / VOD / podcast areas, delivered the Search page redesign, and contributed to accessibility work (ARIA, VoiceOver) across web, iOS, and Android.
Fullstack Developer · OTON Soluções Tecnológicas
May 2019 — Nov 2020Worked across the full stack on OTON, a web-based management platform for ISPs operating fiber networks. Built core modules: subscriber management with role-based access control, PON/OLT/ONT network-equipment monitoring, and a billing module covering invoice generation, payment tracking, and subscription-plan management. Automated reporting dashboards and built an internal support/ticketing system. Stack: React, Redux, Node.js, Sequelize, MySQL, SQL Server, Docker.