{"id":2115022,"url":"https://alion.io/job/infolet-senior-java-developer","title":"Senior Java Developer","company":{"id":4160520,"name":"Infolet","domain":"infolet.pl","url":"https://alion.io/company/infolet","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"contractor","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Kraków, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":26900,"max":31900,"currency":"PLN","period":"month","gross":null,"usd_annual":97932},"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"gRPC","optional":false},{"name":"Java","optional":false},{"name":"Rest API","optional":false},{"name":"Spring Boot","optional":false},{"name":"Kubernetes","optional":true},{"name":"Maven","optional":true},{"name":"SQL","optional":true}],"status":"live","first_seen_at":"2026-09-21T00:00:00Z","employer_posted_date":null,"last_verified_at":"2026-09-21T00:00:00Z","board_verified":false,"closed_at":null,"days_open":21,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":21},"description":"SUMMARY\n📍 Kraków (6 days onsite monthly) \nProject\nWe are looking for an experienced Senior Java Developer to join a team working on modern, distributed applications within the banking and financial services sector.\nYou will be involved in developing and maintaining scalable microservices-based solutions, working closely with other developers and technical teams. The role combines backend development with elements of full-stack work and requires strong experience with Java, Spring Boot, and modern cloud-native technologies.\nYou will\nDesign, develop, and maintain Java-based applications and microservices\nBuild and integrate REST and gRPC services\nWork with Spring Boot and modern Java technologies\nDevelop and maintain applications running in Kubernetes\nWork with relational databases, preferably Oracle\nParticipate in automated testing using Cucumber\nCollaborate with other developers and technical teams to deliver reliable and scalable solutions.\nContribute to technical design and continuous improvement of the application architecture.\nTroubleshoot and resolve technical issues in a distributed environment\n\nKogo poszukujemy?\nMust have\n10+ years of professional software development experience\nStrong commercial experience with Java\nVery good knowledge of Spring Boot\nExperience with microservices architecture\nExperience developing REST APIs\nExperience with Kubernetes\nGood knowledge of SQL\nExperience with Maven\nPrevious experience in banking or financial services\nExperience with automated testing, preferably Cucumber\nGood understanding of distributed systems and modern software development practices\nFluent in English and Polish\nNice to have\nExperience with Oracle\nExperience with gRPC\nExperience working in large-scale enterprise environments\nTech stack\nJava, Spring Boot, REST, Kubernetes, SQL, Maven","description_format":"text","description_chars":1819,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-08T22:59:03Z"}],"visa":[],"liveness":{"score":49,"band":"ok","label":"Likely open","p_open":0.85,"p_active":0.761,"p_room":0.75,"age_days":19,"expected_fill_days":22,"reasons":["seen:19","velocity","win:late"],"computed_at":"2026-10-10T05:45:15Z"},"pay":{"stated_usd_annual":97932,"is_top_pay":false},"html_url":"https://alion.io/job/infolet-senior-java-developer","json_url":"https://alion.io/job/infolet-senior-java-developer.json","meta":{"generated_at":"2026-10-12T00:44:51Z","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":393,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-13T00:00:00Z"}},"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":4160520},"rest":"https://alion.io/mcp/rest/get_company?id=4160520"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Finfolet-senior-java-developer"},{"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%2Finfolet-senior-java-developer"},{"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%2Finfolet-senior-java-developer"},{"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/infolet-senior-java-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Finfolet-senior-java-developer"}]}