{"id":2706331,"url":"https://alion.io/job/kubo-international-senior-frontend-developers-mobile-web","title":"Senior Frontend Developers - Mobile / Web","company":{"id":2051,"name":"Kubo International","domain":"kubo.international","url":"https://alion.io/company/kubo-poland-sp-z-o-o","size_band":"51-200","is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":"Traffit","truth_index":{"grade":"B","score":80,"open_postings":7,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":13,"computed_at":"2026-10-19T05:45:15Z"}},"role":"Frontend","role_family":"Frontend","seniority":"senior","employment_type":"freelance","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":54000,"max_usd":91000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":39},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Angular","optional":false},{"name":"Git","optional":false},{"name":"JavaScript","optional":false},{"name":"Kotlin","optional":false},{"name":"TypeScript","optional":false}],"status":"live","first_seen_at":"2026-10-16T12:38:17Z","employer_posted_date":"2026-10-16","last_verified_at":"2026-10-19T23:28:57Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Are you an experienced frontend developer who enjoys building intuitive mobile and web interfaces? We are looking for four Senior Frontend Developers to join a project in the banking sector in Joensuu, Finland. You will create new UI components for Android, iOS and web applications, working in an environment that follows Test Driven Development practices. Bring your frontend expertise and help deliver high-quality digital experiences!\nResponsibilities\np]:pt-0 [&>p]:mb-2 [&>p]:my-0\">Extensive commercial experience in frontend development at a senior level.\n\np]:pt-0 [&>p]:mb-2 [&>p]:my-0\">Strong expertise in mobile development for Android and/or iOS, or web development using JavaScript frameworks.\n\np]:pt-0 [&>p]:mb-2 [&>p]:my-0\">Practical knowledge of Angular, TypeScript and JavaScript for web-focused development.\n\np]:pt-0 [&>p]:mb-2 [&>p]:my-0\">Experience with Kotlin and Android development and/or iOS application development for mobile-focused work.\n\np]:pt-0 [&>p]:mb-2 [&>p]:my-0\">Hands-on experience with unit testing frameworks and Git; familiarity with Test Driven Development would be an advantage.\n\np]:pt-0 [&>p]:mb-2 [&>p]:my-0\">Fluent English and availability to work onsite in Joensuu three days per week.\n\nRequirements\np]:pt-0 [&>p]:mb-2 [&>p]:my-0\">Develop new UI components for Android, iOS and/or web applications, depending on your expertise.\n\np]:pt-0 [&>p]:mb-2 [&>p]:my-0\">Implement web interfaces using Angular, TypeScript and JavaScript.\n\np]:pt-0 [&>p]:mb-2 [&>p]:my-0\">Contribute to mobile application development using platform-specific technologies, including Kotlin for Android.\n\np]:pt-0 [&>p]:mb-2 [&>p]:my-0\">Write and maintain unit tests to support software quality and reliability.\n\np]:pt-0 [&>p]:mb-2 [&>p]:my-0\">Apply Test Driven Development practices and contribute to automated testing.\n\np]:pt-0 [&>p]:mb-2 [&>p]:my-0\">Use Git for version control and collaborate with the development team on delivering frontend functionality.\n\nBenefits\nLocation: Joensuu, Finland\nWork Model: Hybrid - 3 days onsite per week\nEmployment Type: Freelance contract assignment, full-time allocation\nAssignment Duration: 2 November 2026 - 31 March 2027 with possible extension\nApplication Deadline: 22 October 2026; early applications are encouraged, as recruitment may close sooner","description_format":"text","description_chars":2302,"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":"Advanced (C1)","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Finland","iso":"FI","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-16T12:47:07Z"}],"visa":[],"liveness":{"score":54,"band":"ok","label":"Likely open","p_open":1,"p_active":0.542,"p_room":1,"age_days":2,"expected_fill_days":13,"reasons":["conf:2","agency","velocity","win:early"],"computed_at":"2026-10-19T05:45:15Z"},"pay":null,"html_url":"https://alion.io/job/kubo-international-senior-frontend-developers-mobile-web","json_url":"https://alion.io/job/kubo-international-senior-frontend-developers-mobile-web.json","meta":{"generated_at":"2026-10-20T01:37:08Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":2003,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-21T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":2051},"rest":"https://alion.io/mcp/rest/get_company?id=2051"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fkubo-international-senior-frontend-developers-mobile-web"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fkubo-international-senior-frontend-developers-mobile-web"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fkubo-international-senior-frontend-developers-mobile-web"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/kubo-international-senior-frontend-developers-mobile-web\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fkubo-international-senior-frontend-developers-mobile-web"}]}