{"id":3183857,"url":"https://alion.io/job/spyrosoft-senior-flutter-developer","title":"Senior Flutter Developer","company":{"id":933,"name":"Spyrosoft","domain":"spyro-soft.com","url":"https://alion.io/company/spyrosoft","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Teamtailor","truth_index":{"grade":"A","score":92,"open_postings":85,"ghost_share":0,"stale_share":0.518,"repost_share":0,"time_to_fill_p50_days":17,"computed_at":"2026-10-28T05:59:10Z"}},"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":["Wrocław, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":48000,"max_usd":88000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":30},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Dart","optional":false},{"name":"Firebase","optional":false},{"name":"Flutter","optional":false},{"name":"GraphQL","optional":false},{"name":"Rest API","optional":false},{"name":"Scrum","optional":false},{"name":"Kotlin","optional":true},{"name":"Swift","optional":true}],"status":"closed","first_seen_at":"2026-10-23T08:44:11Z","employer_posted_date":"2026-10-23","last_verified_at":"2026-10-27T11:03:27Z","board_verified":false,"closed_at":"2026-10-27T11:03:27Z","days_open":4,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":4},"description":"Tech Stack:\nFlutter/Dart\n\nREST API\n\nApp Store & Google Play\n\nFirebase\n\nGraphQL\n\nBluetooth Low Energy (BLE)\n\nNFC\n\nIoT / Connected Devices\n\nProject Description:\nJoin a long-term international project delivered for a global technology leader operating in the healthcare and safety sector. The project focuses on developing innovative mobile applications connected with smart devices used in medical and industrial environments.\nAs a Senior Flutter Developer, you will collaborate with experienced architects, engineers, and product teams to build high-quality mobile solutions that deliver real-world impact. You will contribute to the development of scalable, reliable, and user-friendly applications supporting connected products and advanced device communication technologies.\nRequired Qualifications:\nExtensive commercial experience in mobile application development\n\nStrong hands-on experience with Flutter and Dart gained through multiple commercial projects\n\nProven track record of developing, delivering, and maintaining production-grade mobile applications\n\nStrong knowledge of REST API integration\n\nExperience working with both Android and iOS platforms\n\nExperience publishing and maintaining applications in App Store and Google Play\n\nSolid understanding of software architecture principles and mobile development best practices\n\nAbility to make technical decisions and contribute to architectural discussions\n\nExperience working in Agile/Scrum environments\n\nEnglish proficiency at B2 level or higher\n\nNice to Have:\nExperience with Bluetooth Low Energy (BLE)\n\nExperience integrating hardware devices and connectivity solutions\n\nBackground in IoT or connected products development\n\nExperience with Firebase and/or GraphQL\n\nKnowledge of Kotlin and/or Swift\n\nExperience with NFC technologies\n\nPrevious experience in Healthcare, MedTech, or industrial environments\n\nExperience building applications involving real-time data visualization\n\nExperience working with sensor-based applications\n\nExperienced in using AI tools in day-to-day workflow\n\nScope of Services:\nDesign, develop, and maintain mobile applications using Flutter and Dart\n\nBuild high-quality, scalable, and maintainable solutions for Android and iOS platforms\n\nIntegrate mobile applications with REST APIs and external services\n\nCollaborate with cross-functional international teams, including architects, backend developers, QA engineers, and product stakeholders\n\nParticipate in architectural discussions and technical decision-making\n\nOptimize application performance, reliability, and user experience\n\nEnsure compliance with mobile development best practices and coding standards\n\nPublish and maintain applications in App Store and Google Play\n\nSupport integration with connected devices, sensors, and hardware communication technologies\n\nParticipate in Agile ceremonies and contribute to continuous improvement initiatives","description_format":"text","description_chars":2895,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"Upper-Intermediate (B2)","optional":false}]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Embedded Software & RTOS","IT Consulting & Digital Transformation","IT Outsourcing & Dedicated Teams","AI Consulting & 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