{"id":122409,"url":"https://alion.io/job/ing-group-senior-java-software-engineer-financial-markets","title":"Senior Java Software Engineer - Financial Markets","company":{"id":3744,"name":"ING Group","domain":"ing.com","url":"https://alion.io/company/ing","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":80,"open_postings":107,"ghost_share":0.009,"stale_share":0.776,"repost_share":0.028,"time_to_fill_p50_days":28,"computed_at":"2026-10-28T05:59:10Z"}},"role":"Backend","role_family":"Backend","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":["Katowice, Poland","Warsaw, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":62000,"max_usd":104000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":352},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"Rest API","optional":false},{"name":"Git","optional":true},{"name":"Java","optional":true},{"name":"Spring Boot","optional":true},{"name":"SQL","optional":true}],"status":"live","first_seen_at":"2026-08-25T00:00:00Z","employer_posted_date":"2026-08-25","last_verified_at":"2026-10-28T14:38:25Z","board_verified":true,"closed_at":null,"days_open":64,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":64},"description":"ING Hubs Poland is hiring!\nThe expected salary for this position:\n9 600 - 16 000 PLN - Engineer III\n13 000 - 22 000 PLN - Engineer IV\nThe financial ranges specified in the announcement are adjusted and may differ from the range specified in the remuneration regulations.\nWork environment\nJoin a high-impact engineering team delivering cutting-edge solutions for Financial Markets. We build systems used daily by sales teams, traders, and risk managers across global hubs: London, Amsterdam, Brussels, New York, and Singapore.\nOur focus is on derivative products across multiple asset classes (equities, commodities, interest rates). You will contribute to platforms that automate the full trading lifecycle - from client quote requests to pricing, booking, and risk management - in highly dynamic, real-time environments.\nThis is a unique opportunity to work at the intersection of technology, finance, and global collaboration, where your work directly influences business decisions.\nYour responsibilities:\nDesign and develop robust backend services and expose them via modern REST APIs,\nContinuously improve architecture, scalability, and infrastructure, including CI/CD pipelines,\nEnhance performance, reliability, and system resilience in production environments,\nCollaborate closely with business experts, traders, and quants to deliver complex features,\nApply and promote high-quality engineering practices, including automated testing,\nProactively identify, troubleshoot, and resolve issues, ensuring long-term stability.\nWe are looking for you, if you have:\nMSc in Computer Science or equivalent practical experience,\n5+ years of experience building and maintaining production-grade software,\nStrong foundations in algorithms, data structures, design patterns, and concurrency,\nKnowledge of equity derivatives or trading concepts,\nExperience in financial markets or fintech environments,\nProven ability to build modular, testable, and maintainable systems,\nHands-on expertise in Java, Spring Boot, Git, and SQL,\nStrong analytical thinking and a problem-solving mindset,\nGood command of English (written and spoken),\nreadiness to travel to Belgium.\nYou'll get extra points for:\nFamiliarity with market data providers and APIs (e.g., LSEG / RFA, Bloomberg B-Pipe).\nThe role naming convention in the global ING job architecture will be “Engineer III\" or \"Engineer 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