# Tomasz Szewczyk > Senior Frontend Engineer and Connected TV Lead based in Wrocław, Poland. 10+ years building high-performance web, mobile, and Smart TV applications. - Site: https://tomekszewczyk.dev/ - Email: tomekszewczyk0@gmail.com - GitHub: https://github.com/Szefczuk - LinkedIn: https://www.linkedin.com/in/tomasz-szewczyk-346032170 ## Summary Tomasz Szewczyk is a Senior Frontend Engineer and Connected TV Lead specializing in React, React Native, TypeScript, JavaScript, Node.js, Connected TV, OTT, and video streaming. He builds TV applications from scratch for Roku, Samsung Tizen, LG webOS, and other HTML5 TV platforms, including legacy devices and limited hardware from 2017 onward. ## Expertise - Connected TV / Smart TV: Samsung Tizen (AVPlay, Web APIs, Tizen 3), LG webOS, Roku, Android TV / Google TV, Vizio SmartCast, HTML5 TV, device APIs, polyfills - Video & OTT: HLS, MPEG-DASH, CMAF, HLS.js, Shaka Player, Samsung AVPlay, DRM, ad insertion, live and VOD playback - Frontend: React, TypeScript, JavaScript, React Native, Angular, HTML5, CSS, Vite - Backend & data: Node.js, REST APIs, PostgreSQL, Prisma - Leadership: frontend architecture, performance, compatibility on constrained devices, mentoring, technical strategy ## Highlights - Built Connected TV applications for Samsung Tizen, LG webOS, Roku, and other HTML5 TV platforms, supporting devices dating back to 2017 - Solved platform-specific playback issues in open-source player codebases, including HLS.js, to support Tizen 3 and other constrained platforms - Designed a hosted application architecture for Samsung Tizen and LG webOS - native device APIs, with updates that skip lengthy TV app store review cycles - Implemented a custom AVPlay-based video player layer for Samsung TVs, including older devices with limited hardware - Maintained a modern frontend stack while supporting legacy TV platforms through polyfills and platform-specific implementations ## Experience - Connected TV Lead, A Parent Media Co. Inc. (APMC) - Jan 2024 - Aug 2026, Wrocław, Poland - Lead Frontend Engineer, Laminar Global - Aug 2022 - Aug 2026, Wrocław, Poland - Senior Frontend Engineer, major OTT client - Apr 2022 - Aug 2022, Remote - Frontend Developer, ARC Software - Jan 2021 - Apr 2022, Wrocław, Poland - Frontend Developer, devTicon - Apr 2019 - Jan 2021, Wrocław, Poland (Angular, Ionic; clients including Kolporter, Tauron, Novitus) ## Contact Available for Connected TV leadership and OTT production work - Roku, Tizen, webOS, and playback on legacy hardware. Wrocław and remote.