Senior Front-End developer

DescriptionTango is a successful, market leader, a live-streaming Platform with 450+ Million registered users, in an industry projected to reach $240 BILLION in the next couple of years.The B2C platform, based on the best-quality global video technology, allows millions of talented people around the world to create their own live content, engage with their fans, and monetize their talents.Tango live stream was founded in 2018 and is powered by 500+ global employees operating in a culture of growth, learning, and success!The Tango team is a vigorous cocktail of hard workers, creative brains, energizers, geeks, overachievers, athletes, and more. We push the limits to bring our app from “one of the top” to “the leader”.The best way to describe Tango's work style is not to use the word “impossible”. We believe that success is a thorny path that runs on sleepless nights, corporate parties, tough releases, and of course our users' smiles (and as we are a LIVE app, we truly get to see our users all around the world smiling right in front of us in real-time!).Do you want to join the party?ResponsibilitiesDevelopment and support of SPA on ReactJS: web version (mobile-first) of a high-load application and admin panels for marketing pagesCollaborate with other teams to effectively meet the product and technical needs of the projectIntegrate backend APIs (REST, WebSocket)Proactively participate in improving and fine-tuning existing solutions and discussions on architectural improvements, optimizations, and scalability of the front-end solutionsConduct code reviews, ensuring code quality and adherence to best practicesShare expertise and knowledge with teammatesRequirements4+ years of experience in JS (ES6+)/TypeScript developmentAdvanced understanding of React and its ecosystem (React Hooks, Context API)Solid experience with state management frameworks, especially Redux (Redux Toolkit preferred)Strong skills in creating responsive layouts with SCSS/SASS, CSS Modules, or Styled ComponentsUnderstanding of performance optimization techniques in React (lazy loading, memoization, virtualization)Proficiency with build tools (Webpack/Vite) and familiarity with modern development tools (CI/CD, ESLint)Intermediate level of EnglishNice to Have:Experience with server-side rendering frameworks (Next.js)Knowledge of micro-frontend architectures and module federationKnowledge of browser limitationsExperience with video streaming technologies (HLS, WebRTC)Experience with workersExperience with performance optimizations (rendering, memory and CPU load)Knowledge of WEB VitalsExperience with graphic engines like PixiJS, Godot, BabylonExperience with other FE frameworks and libraries (Angular, Svelte, Vue, etc.)What we offer:Stock options grant (we’re a Silicon Valley Company)Competitive salaryWe're an in-office team, but we believe in flexibility (no remote). Like the good old days :)Medical insurance for you and 75% off for your relativesFree lunchesParkingMultisport cardCheerful team spirit and fun office atmosphere  If this sounds like you, apply and help empower live entertainers and creators to build independent businesses around their live talents.