{"id":2114867,"url":"https://alion.io/job/sii-regular-kotlin-developer-fmx-2","title":"Regular Kotlin Developer (f/m/x)","company":{"id":1387,"name":"Sii","domain":"sii.pl","url":"https://alion.io/company/sii","size_band":"5000+","is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":"Career sitemap","truth_index":null},"role":"Mobile","role_family":"Mobile","seniority":"middle","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Białystok, Poland"],"countries":["PL"],"hiring_countries":["PL"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":38000,"max_usd":88000,"period":"year","method":"role_seniority_country_cell","sample_n":12},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Grafana","optional":false},{"name":"JUnit","optional":false},{"name":"Kotlin","optional":false},{"name":"Kubernetes","optional":false},{"name":"PostgreSQL","optional":false}],"status":"live","first_seen_at":"2026-09-11T07:50:26Z","employer_posted_date":"2026-10-12","last_verified_at":"2026-10-15T04:53:06Z","board_verified":true,"closed_at":null,"days_open":33,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":33},"description":"This translation is generic and may include errors.\nShow original text\n\nThis offer base language is English.\nTranslate into Polish.\nTechnologie i narzędzia\nWymagane\n\nKotlin\n\nAWS\n\nKubernetes\n\nMikrousługi\n\nPostgreSQL\n\nJUnit 5\n\nDołącz do zespołu pracującego nad nowoczesną platformą fintech, która wspiera zarządzanie wydatkami firmowymi.\nProjekt koncentruje się na opracowywaniu rozwiązania finansowego, które umożliwia bezproblemową integrację narzędzi finansowych (w tym kart płatniczych, zarządzania wydatkami i obsługi faktur) bezpośrednio w systemach partnerów, takich jak banki, platformy księgowe i rozwiązania HR. Produkt pozwala firmom uprościć procesy finansowe, zautomatyzować rozliczenia i uzyskać pełną kontrolę w czasie rzeczywistym nad swoimi wydatkami.\nTwoje zadania\nProjektowanie, budowanie i utrzymywanie mikroserwisów przy użyciu Kotlin\nWspółpraca z zespołami międzyfunkcyjnymi w celu dostarczania rozwiązań w obszarze Platformy, Usług, SMB i innych dziedzin\nWsparcie monitorowania wydajności systemu oraz przyczynianie się do poprawy niezawodności i skalowalności\nUczestnictwo w przeglądach kodu i utrzymywanie wysokich standardów jakości kodu\nPrzyczynianie się do ciągłego doskonalenia jakości kodu i architektury systemu\nRozwiązywanie problemów technicznych\nWymagania\nMinimum 3 lata doświadczenia zawodowego w zakresie rozwoju oprogramowania\nPraktyczne doświadczenie z Kotlin w projektach komercyjnych\nDoświadczenie w budowaniu systemów backendowych i pracy z architekturą mikroserwisów\nPodstawowe doświadczenie z środowiskami chmurowymi (np. AWS, Kubernetes)\nDoświadczenie z relacyjnymi bazami danych (np. PostgreSQL) oraz narzędziami do testowania i obserwowalności (np. JUnit, Grafana)\nDobra znajomość języka angielskiego\nWymagane zamieszkanie w Polsce\nNr oferty JOB-9LREU\nSii zapewnia, że wszystkie decyzje związane z zatrudnieniem są podejmowane wyłącznie na podstawie kwalifikacji i kompetencji. Zobowiązujemy się do równego traktowania wszystkich osób, niezależnie od cech chronionych, oraz promowania zróżnicowanego i integracyjnego środowiska pracy.\nTechnologies & tools\nMust have\n\nKotlin\n\nAWS\n\nKubernetes\n\nMicroservices\n\nPostgreSQL\n\nJUnit 5\n\nJoin a team working on a modern fintech platform that supports company expense management.\nThe project focuses on developing a finance solution that enables seamless integration of financial tools (including payment cards, expense management, and invoice handling) directly into partner systems such as banks, accounting platforms, and HR solutions. The product allows companies to simplify financial processes, automate settlements, and gain full real-time control over their spending.\nYour tasks\nDesigning, building, and maintaining microservices using Kotlin\nCollaborating with cross-functional teams to deliver solutions across Platform, Services, SMB, and other domains\nSupporting system performance monitoring and contributing to improvements in reliability and scalability\nParticipating in code reviews and maintaining high code quality standards\nContributing to the continuous improvement of code quality and system architecture\nTroubleshooting and resolving technical issues\nRequirements\nMinimum 3 years of professional experience in software development\nHands-on experience with Kotlin in commercial projects\nExperience building backend systems and working with microservices architecture\nBasic experience with cloud environments (e.g., AWS, Kubernetes)\nExperience with relational databases (e.g., PostgreSQL) as well as testing and observability tools (e.g., JUnit, Grafana)\nGood command of English\nResiding in Poland required\nJob no. JOB-9LREU\nSii zapewnia, że wszystkie decyzje związane z zatrudnieniem są podejmowane wyłącznie na podstawie kwalifikacji i kompetencji. Zobowiązujemy się do równego traktowania wszystkich osób, niezależnie od cech chronionych, oraz promowania zróżnicowanego i integracyjnego środowiska pracy.","description_format":"text","description_chars":3910,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Poland","iso":"PL","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Outsourcing & Dedicated Teams","Engineering Services","IT Staffing & Staff Augmentation"],"lifecycle":[{"event":"open","at":"2026-10-08T23:16:07Z"}],"visa":[],"liveness":{"score":58,"band":"ok","label":"Likely open","p_open":1,"p_active":0.78,"p_room":0.75,"age_days":32,"expected_fill_days":44,"reasons":["conf:1","velocity","win:late","comp:brand"],"computed_at":"2026-10-14T06:34:16Z"},"pay":null,"html_url":"https://alion.io/job/sii-regular-kotlin-developer-fmx-2","json_url":"https://alion.io/job/sii-regular-kotlin-developer-fmx-2.json","meta":{"generated_at":"2026-10-15T05:45:55Z","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":8536,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-16T00:00:00Z"}},"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":1387},"rest":"https://alion.io/mcp/rest/get_company?id=1387"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsii-regular-kotlin-developer-fmx-2"},{"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%2Fsii-regular-kotlin-developer-fmx-2"},{"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%2Fsii-regular-kotlin-developer-fmx-2"},{"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/sii-regular-kotlin-developer-fmx-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsii-regular-kotlin-developer-fmx-2"}]}