{"id":2117203,"url":"https://alion.io/job/itds-poland-senior-big-data-engineer-java-and-spark-2","title":"Senior Big Data Engineer – Java and Spark","company":{"id":879,"name":"ITDS Poland","domain":"itds.pl","url":"https://alion.io/company/itds","size_band":"201-500","is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Data Science","role_family":"Data Science","seniority":"senior","employment_type":"contractor","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Warsaw, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":23100,"max":31500,"currency":"PLN","period":"month","gross":null,"usd_annual":96708},"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Java","optional":false},{"name":"Python","optional":false},{"name":"Scrum","optional":false},{"name":"Spark","optional":false},{"name":"CI/CD","optional":true}],"status":"live","first_seen_at":"2026-10-04T09:00:17Z","employer_posted_date":null,"last_verified_at":"2026-10-04T09:00:17Z","board_verified":false,"closed_at":null,"days_open":7,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":7},"description":"Unleash the power of big data to revolutionize financial technology — drive innovation at the forefront of banking transformation!\nWarsaw-based opportunity with hybrid work model (up to 2 days remote per week).\nAs a Senior Big Data Engineer – Java and Spark, you will be working for our client, a leader in structured finance within the global banking industry. You will contribute to building and optimizing a state-of-the-art data platform that supports complex financial workflows and fosters collaboration across multiple stakeholders. Join us to shape impactful data solutions that fuel digital transformation and unlock new growth avenues—your expertise will propel innovation in the financial sector.\nYour main responsibilities:\nDesign and develop solutions for collecting, transforming, and processing large datasets efficiently.\nAnalyze data from multiple sources and translate insights into detailed technical specifications.\nImplement and industrialize reliable, scalable, and resilient data processing jobs using Spark and Java.\nConduct code reviews and collaborate with team members to ensure continuous improvement.\nContribute to Agile teams delivering value through Scrum cycles and support innovative project delivery.\nKeep up-to-date with evolving big data technologies and apply best practices.\nSupport applications, troubleshoot production issues, and ensure high-quality standards.\nProduce comprehensive technical documentation, test plans, and project artifacts.\nYou’re ideal for this role if you have:\n3-5 years of professional experience in big data engineering, ideally within banking or finance sectors.\nStrong expertise in Spark and Java, with additional knowledge of Python (nice to have), DevOps, CI/CD tools, and microservices.\nFluent in English (spoken and written).\nAnalytical mindset with excellent problem-solving skills.\nProactive attitude with strong teamwork capabilities across global teams.\nEffective communication skills and ability to operate across different time zones.\nIt is a strong plus if you have:\nKnowledge of Airflow, GIT, and modern data architecture strategies.\nExperience with Agile methodologies and delivering solutions in fast-paced environments.\nLanguage Required for the role:\nFluent English.\nEligibility for the role:\nOnly candidates with an existing legal right to work in the European Union will be considered.\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\nJava\nApache Spark\nBig Data Engineering\nCI/CD\nMicroservices\nGit\nAgile/Scrum\nDevOps\nPython\nApache Airflow","description_format":"text","description_chars":2673,"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":[]},"benefits":["Hybrid work"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Consulting & Digital Transformation","IT Staffing & Staff Augmentation"],"lifecycle":[{"event":"open","at":"2026-10-08T22:59:03Z"}],"visa":[],"liveness":{"score":85,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":0.945,"age_days":5,"expected_fill_days":13,"reasons":["seen:5","velocity","win:mid"],"computed_at":"2026-10-10T05:45:15Z"},"pay":{"stated_usd_annual":96708,"is_top_pay":false},"html_url":"https://alion.io/job/itds-poland-senior-big-data-engineer-java-and-spark-2","json_url":"https://alion.io/job/itds-poland-senior-big-data-engineer-java-and-spark-2.json","meta":{"generated_at":"2026-10-12T01:42:02Z","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":2196,"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":879},"rest":"https://alion.io/mcp/rest/get_company?id=879"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fitds-poland-senior-big-data-engineer-java-and-spark-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%2Fitds-poland-senior-big-data-engineer-java-and-spark-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%2Fitds-poland-senior-big-data-engineer-java-and-spark-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/itds-poland-senior-big-data-engineer-java-and-spark-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fitds-poland-senior-big-data-engineer-java-and-spark-2"}]}