ph3Company Overview /h3pRakuten TV is one of the leading video streaming platforms in Europe, headquartered in Barcelona. We partner with device manufacturers, broadcasters and advertising networks to deliver premium entertainment experiences across more than 40 countries. /ph3Role /h3pFront‑end Engineer – HTML5 Smart TV applications. Work with a high‑performing team to design, develop and maintain TV apps for Samsung Tizen, LG WebOS and other platforms. /ph3Responsibilities /h3ulliOwn the end‑to‑end lifecycle of features, from concept to deployment and maintenance. /liliCollaborate with developers, QA engineers, designers and product owners. /liliBuild and optimize UIs for TV applications, ensuring fast performance on low‑end devices. /liliIntegrate design system from Figma and publish components in Storybook. /liliPublish TV applications to Samsung Seller Office, LG Store, Google Play and other marketplaces. /liliWork with video players (hls.js, Shaka Player, Dash Player) and VAST for ad serving. /liliResearch and evaluate new technologies and optimize existing solutions. /li /ulh3Qualifications /h3ulli5+ years as a JavaScript developer,



with strong experience in React and TV environments. /liliProficiency in TypeScript, modern frontend tooling, and monorepo use (pnpm). /liliExperience creating reusable UI libraries and publishing npm packages. /liliStrong focus on performance, accessibility and focus navigation on TVs. /liliKnowledge of video ad serving (VAST) and TV app deployment. /liliExperience with agile/scrum and a solid testing strategy (Jest, Cypress, Suitest). /liliExcellent communication and collaboration skills, passion for continuous improvement. /li /ulh3Technology Stack /h3ulliReact, Redux, Next.js /liliWebpack, Jest, Cypress, Suitest /liliTypeScript, JavaScript /liliAWS CloudFront, AWS S3 /liliSmart TV platforms: Samsung Tizen, LG WebOS, Hisense, Philips /li /ulh3Benefits /h3ulliHybrid work model with versátil hours. /liliProfessional training, free language classes and wellbeing resources. /liliModern office near Barcelona beach. /liliMedical insurance, meal and commuting allowances, and child‑care support. /li /ul /p #J-18808-Ljbffr

📌 JavaScript Engineer (Cataluña)
🏢 Rakuten Kobo
📍 Cataluña