{"id":1308622,"url":"https://alion.io/job/tango-senior-frontend-engineer","title":"Senior Frontend Engineer","company":{"id":2189487,"name":"Tango","domain":"tango.me","url":"https://alion.io/company/tango-me","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Comeet","truth_index":null},"role":"Frontend","role_family":"Frontend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Warsaw, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":56000,"max_usd":101000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":29},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"CI/CD","optional":false},{"name":"CSS Modules","optional":false},{"name":"ESLint","optional":false},{"name":"React.js","optional":false},{"name":"Redux","optional":false},{"name":"Redux Toolkit","optional":false},{"name":"Rest API","optional":false},{"name":"Sass","optional":false},{"name":"State Management","optional":false},{"name":"styled-components","optional":false},{"name":"TypeScript","optional":false},{"name":"Vite","optional":false},{"name":"Webpack","optional":false},{"name":"WebSockets","optional":false},{"name":"Zustand","optional":false},{"name":"JavaScript","optional":true},{"name":"Next.js","optional":true},{"name":"WebRTC","optional":true}],"status":"live","first_seen_at":"2026-09-17T16:58:29Z","employer_posted_date":"2026-09-17","last_verified_at":"2026-09-28T21:49:47Z","board_verified":true,"closed_at":null,"days_open":11,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":11},"description":"Description\nTango 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.\nThe 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 monetise their talents.\nTango live stream was founded in 2018 and is powered by 500+ global employees operating in a culture of growth, learning, and success!\nThe Tango team is a vigorous cocktail of hard workers, creative brains, energisers, geeks, overachievers, athletes, and more. We push the limits to bring our app from “one of the top” to “the leader”.\nThe 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!).\nDo you want to join the party?\nResponsibilities\nDevelopment and support of SPA on ReactJS: web version (mobile-first) of a high-load application and admin panels for marketing pages\nCollaborate with other teams to effectively meet the product and technical needs of the project\nIntegrate backend APIs (REST, WebSocket)\nProactively participate in improving and fine-tuning existing solutions and discussions on architectural improvements, optimizations, and scalability of the front-end solutions\nConduct code reviews, ensuring code quality and adherence to best practices\nShare expertise and knowledge with teammates\nRequirements\nRequirements:\n5+ years of experience in JS (ES6+)/TypeScript development\nAdvanced understanding of React and its ecosystem (React Hooks, Context API)\nSolid experience with state management frameworks, especially Redux (Redux Toolkit preferred) and Zustand\nStrong skills in creating responsive layouts with SCSS/SASS, CSS Modules, or Styled Components\nUnderstanding of performance optimization techniques in React (lazy loading, memoization, virtualization)\nProficiency with build tools (Webpack/Vite) and familiarity with modern development tools (CI/CD, ESLint)\nIntermediate level of English\nNice to Have:\nExperience with server-side rendering frameworks (Next.js)\nKnowledge of micro-frontend architectures and module federation\nKnowledge of browser limitations\nExperience with video streaming technologies (HLS, WebRTC)\nWhat we offer:\nStock options grant (we’re a Silicon Valley Company)\nCompetitive salary\nMedical insurance for you and 75% off for your relatives\nFree lunches\nParking\nHybrid flexibility 4 days in office 1 home office\nMultisport card\nCheerful team spirit and fun office atmosphere\nIf this sounds like you, apply and help empower live entertainers and creators to build independent businesses around their live talents.","description_format":"text","description_chars":2941,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"Intermediate (B1)","optional":false}]},"benefits":["Health insurance","Home office","Stock options"],"hiring_locations":[{"name":"Poland","iso":"PL","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Streaming & OTT Platforms"],"lifecycle":[{"event":"open","at":"2026-09-26T15:13:26Z"}],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.9,"p_room":1,"age_days":10,"expected_fill_days":47,"reasons":["conf:4","velocity","win:early"],"computed_at":"2026-09-28T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/tango-senior-frontend-engineer","json_url":"https://alion.io/job/tango-senior-frontend-engineer.json","meta":{"generated_at":"2026-09-29T01:35:58Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":1224,"day_limit":5000,"remaining_today":3776,"minute_limit":60,"resets_at":"2026-09-30T00:00:00Z"}}}