{"id":2687097,"url":"https://alion.io/job/jit-team-front-end-engineer-mobile-platform-and-releases","title":"Front-end Engineer – Mobile platform and releases","company":{"id":53531,"name":"Jit Team","domain":"jit-team.com","url":"https://alion.io/company/jit-team","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Traffit","truth_index":{"grade":"A","score":91,"open_postings":16,"ghost_share":0,"stale_share":0.375,"repost_share":0,"time_to_fill_p50_days":31,"computed_at":"2026-10-29T05:49:05Z"}},"role":"Frontend","role_family":"Frontend","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":900,"max":1250,"currency":"PLN","period":"day","gross":null,"usd_annual":80500},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Expo","optional":false},{"name":"React Native","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true},{"name":"React.js","optional":true}],"status":"live","first_seen_at":"2026-10-09T08:12:54Z","employer_posted_date":"2026-10-09","last_verified_at":"2026-10-30T01:51:12Z","board_verified":true,"closed_at":null,"days_open":20,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":20},"description":"Salary: 900 - 1250 PLN/MD on B2B\nRemote: Gdańsk / Warsaw / Kraków - hybrid work (1-2 days in the office) or fully remote\nWhy choose this offer?\nYou can expect aflexible work organization\nTheinternational work environment will give you the opportunity to interact with the English language on a daily basis\nThe Jit community will bring you a nice time during regular integration meetings\nProject\nWe are looking for an experienced Senior Frontend Engineer to join a team developing and maintaining a mobile platform for iOS and Android. You will work on a mobile application using React Native, Expo, and TypeScript, with a strong focus on native mobile integrations, build pipelines, application releases, and production stability.\nResponsibilities you will have\nDeveloping and maintaining mobile applications using React Native, Expo, and TypeScript\nIntegrating and maintaining native iOS and Android modules\nBuilding, maintaining, and optimizing mobile build pipelines\nManaging application releases to the Apple App Store and Google Play Store\nMonitoring application crashes, analyzing production issues, and troubleshooting with source maps\nCollaborating with cross-functional teams to deliver reliable, high-quality mobile solutions\nUsing AI tools to support engineering workflows and improve development efficiency\nExpected competences and knowledge\n5-8 years of commercial experience in frontend or mobile application development\nStrong hands-on experience with React Native, Expo, and TypeScript\nExperience with native iOS and Android modules\nPractical knowledge of mobile build pipelines and release processes\nExperience publishing and maintaining applications on the Apple App Store and Google Play Store\nKnowledge of crash monitoring tools and source maps for production debugging\nFamiliarity with AI tools and the ability to discuss and demonstrate their use in engineering work\nVery good English (at least B2)\nNice to have:An engineering degree or a related technical qualification\nExperience in regulated financial services or trading platforms\n\nClient - why choose this particular client from the Jit portfolio?\nThe client is a regulated financial services company specializing in FX and gold trading execution across multiple trading platforms. The organization combines advanced technology with a secure trading environment and transparent pricing models to deliver a high-quality trading experience. The company operates under FCA regulation in the UK and focuses on providing professional customer support while serving clients in the financial trading sector.\nAbout Jit Team\nThe Human Factor of IT - it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts, to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams.\nBehind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. 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