{"id":2287767,"url":"https://alion.io/job/tango-senior-android-developer","title":"Senior Android developer","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":"Mobile","role_family":"Mobile","seniority":"senior","employment_type":"full_time","work_mode":"on_site","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":52000,"max_usd":95000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":29},"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Java","optional":false},{"name":"Kotlin","optional":false},{"name":"Scrum","optional":false},{"name":"Kotlin Coroutines","optional":true}],"status":"live","first_seen_at":"2026-10-11T13:54:35Z","employer_posted_date":"2026-10-11","last_verified_at":"2026-10-12T04:27:19Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"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 monetize their talents.\nTango live stream was founded in 2018 and is powered by 450+ global employees operating in a culture of growth, learning, and success!\nThe 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”.\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\nDesign, develop and support product features and enhance existing application functionalities.\nWrite clean, maintainable and testable high-quality code.\nEnsure the performance, quality, and responsiveness of the application.\nConduct code reviews for team members.\nActively participate in the life of a team working with the SCRUM methodology.\nContribute to improving development processes, tools and practices within the company.\nRequirements\n6+ years of commercial Android development experience\nStrong knowledge of Java/Kotlin\nKnowledge of OOP principles and design patterns\nImplement custom UI elements\nBe able to create complex UI and animations\nExperience in multithreading\nAbility to use code profiling tools, find and fix bottlenecks and memory leaks\nKnowledge of English at least pre-intermediate\nAbility and desire to work independently\nExperience with Dagger2\nExperience in writing readable unit tests\nNice to have:\nKnowledge of the reactive approach and functional programming\nExperience in UI tests\nExperience in writing Compose UI\nExperience in using Kotlin Flows\nExperience using coroutines\nWhat we offer:\nStock options grant (we’re a Silicon Valley Company)\nCompetitive salary\nOn-site position with 4 days at the office and 1 day WFM\nMedical insurance for you and 75% off for your relatives\nFree lunches\nParking\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 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