{"id":2450080,"url":"https://alion.io/job/itds-poland-senior-net-developer-financial-services-and-payment-systems","title":"Senior .NET Developer – Financial Services and Payment Systems","company":{"id":879,"name":"ITDS Poland","domain":"itds.pl","url":"https://alion.io/company/itds","size_band":null,"is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"contractor","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Łódź, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":16800,"max":23100,"currency":"PLN","period":"month","gross":null,"usd_annual":70680},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"Agile","optional":false},{"name":"Apache Kafka","optional":false},{"name":"Azure DevOps","optional":false},{"name":"Bitbucket","optional":false},{"name":"Confluence","optional":false},{"name":"Docker","optional":false},{"name":"IBM MQ","optional":false},{"name":"Jenkins","optional":false},{"name":"Jira","optional":false},{"name":"KeyDB","optional":false},{"name":"Kubernetes","optional":false},{"name":"MS SQL","optional":false},{"name":"Redis","optional":false},{"name":"SQL","optional":false},{"name":"TeamCity","optional":false},{"name":"Azure","optional":true},{"name":"C#","optional":true},{"name":"COBOL","optional":true}],"status":"closed","first_seen_at":"2026-10-13T12:20:21Z","employer_posted_date":null,"last_verified_at":"2026-10-28T17:25:00Z","board_verified":false,"closed_at":"2026-10-28T17:25:00Z","days_open":15,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":15},"description":"Unleash innovation in digital banking — shape the future of secure, high-performance financial solutions!\nŁódź-based opportunity with hybrid work model (2 times in the office/month).\nAs a Senior .NET Developer, you will be working for our client, a leader in online banking, supporting the development and maintenance of innovative, reliable financial systems. Join a dedicated team focused on building advanced payment functionalities and ensuring the highest standards of digital transaction security. This is a chance to influence the future of digital banking while advancing your career in a dynamic, distributed Agile environment.\nYour main responsibilities:\nDesign and develop new features in .NET 8 to enhance banking solutions\nDevelop and optimize database solutions using Microsoft SQL Server\nImplement and maintain integrations with messaging systems such as Kafka and IBM MQ\nBuild and maintain containerized applications using Docker and Kubernetes\nCollaborate with cross-functional teams in an Agile environment to deliver robust solutions\nParticipate in the development of secure payment systems and share expertise across teams\nConduct code reviews, tests, and ensure code quality standards are met\nResolve production issues and maintain existing functionalities\nYou're ideal for this role if you have:\nAt least 5 years of experience in developing complex IT systems\nHands-on expertise with .NET Core, .NET 6, .NET 8, and SQL Server\nKnowledge of Kubernetes, Docker, and Azure DevOps tools\nFamiliarity with Jira, Confluence, Bitbucket, Jenkins, TeamCity, and SonarQube\nExperience with messaging and data integration technologies such as Kafka, IBM MQ, Redis or KeyDB, and SSIS\nPractical understanding of Agile software development methodologies\nStrong communication and collaboration skills in distributed teams\nAbility to work independently, manage your time effectively, and take ownership of tasks\nPassion for continuous learning and software excellence\nIt is a strong plus if you have:\nCertifications or additional skills in related technologies or security standards\nLanguage Required for the role:\nPolish (Good command)\nEnglish (Communicative level)\nEligibility to work in Europe:\nOnly candidates with an existing legal right to work in the European Union will be considered for this role.\n#MAKEYourCareerBETTER\nInterested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.\nTech stack\n.NET Core / .NET 8\nMicrosoft SQL Server\nKafka\nDocker\nKubernetes\nAzure DevOps\nAgile / Scrum\nCI/CD (Jenkins / TeamCity)\nIBM MQ\nRedis","description_format":"text","description_chars":2639,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Continuous learning","Hybrid work"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Consulting & Digital Transformation","IT Staffing & Staff Augmentation"],"lifecycle":[{"event":"open","at":"2026-10-13T14:25:00Z"},{"event":"close","at":"2026-10-28T17:25:00Z"}],"visa":[],"liveness":null,"pay":{"stated_usd_annual":70680,"is_top_pay":false},"html_url":"https://alion.io/job/itds-poland-senior-net-developer-financial-services-and-payment-systems","json_url":"https://alion.io/job/itds-poland-senior-net-developer-financial-services-and-payment-systems.json","meta":{"generated_at":"2026-10-29T06:43:46Z","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":10227,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-30T00:00:00Z"}},"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":879},"rest":"https://alion.io/mcp/rest/get_company?id=879"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fitds-poland-senior-net-developer-financial-services-and-payment-systems"},{"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%2Fitds-poland-senior-net-developer-financial-services-and-payment-systems"},{"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%2Fitds-poland-senior-net-developer-financial-services-and-payment-systems"},{"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/itds-poland-senior-net-developer-financial-services-and-payment-systems\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fitds-poland-senior-net-developer-financial-services-and-payment-systems"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":2450080}},{"tool":"search_jobs","arguments":{"company":"itds.pl","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":2450080},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. Docs: https://alion.io/developers"}}