{"id":2111622,"url":"https://alion.io/job/jit-team-allegro-data-engineer-data-engineer-data-ai-area","title":"Allegro - Data Engineer (Data Engineer (Data & AI Area)","company":{"id":53531,"name":"Jit Team","domain":"jit-team.com","url":"https://alion.io/company/jit-team","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Traffit","truth_index":{"grade":"A","score":95,"open_postings":27,"ghost_share":0,"stale_share":0.185,"repost_share":0,"time_to_fill_p50_days":30,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Data Science","role_family":"Data Science","seniority":"middle","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":800,"max":1500,"currency":"PLN","period":"day","gross":null,"usd_annual":95500},"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"BigQuery","optional":false},{"name":"CI/CD","optional":false},{"name":"ETL/ELT","optional":false},{"name":"GCP","optional":false},{"name":"Google BigQuery","optional":false},{"name":"Java","optional":false},{"name":"pySpark","optional":false},{"name":"Python","optional":false},{"name":"Scala","optional":false},{"name":"SQL","optional":false},{"name":"Linux","optional":true},{"name":"Machine Learning","optional":true},{"name":"Spark","optional":true},{"name":"Unix","optional":true}],"status":"live","first_seen_at":"2026-07-29T18:27:06Z","employer_posted_date":"2026-07-29","last_verified_at":"2026-10-18T04:09:06Z","board_verified":true,"closed_at":null,"days_open":80,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":80},"description":"Salary: 800 - 1500 PLN / MD on B2B\nWork model: flexible hybrid from Warsaw / Poznań (1 day form the office per week)\nWhy choose this offer?\nImpact on the development of the largest e-commerce system in Poland\nYou can expect a flexible work organization\nLong-term cooperation within a stable ecosystem\nTheJit community will bring you a nice time during regular integration meetings\nProject\n*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:360d5f54-50a8-4947-a235-390c31764879-5\" data-turn-id-container=\"request-WEB:360d5f54-50a8-4947-a235-390c31764879-5\" data-testid=\"conversation-turn-12\" data-scroll-anchor=\"false\" data-turn=\"assistant\">\nWe are looking for an experienced Data Engineer to join our team and support the development of scalable data solutions in a modern cloud environment. The ideal candidate has strong analytical and technical skills, experience working with large datasets, and a proactive approach to building and optimizing data processes. You should feel comfortable working independently, taking ownership of delivered solutions, and collaborating with cross-functional teams in a dynamic environment\nResponsibilities you'll have:\nDesign, develop, and maintain scalable ETL/ELT data pipelines\nBuild and optimize cloud-based data warehouse architectures and data models\nProcess and manage large-scale datasets in Big Data environments\nDevelop and maintain solutions using GCP services, especially BigQuery and Dataflow\nOptimize performance and cost efficiency of data processing solutions\nCreate and maintain data workflows using Python, PySpark, and Airflow\nCollaborate with cross-functional teams to deliver end-to-end data solutions\nSupport AI/ML initiatives by preparing and managing data structures for model training and production deployment\nEnsure software engineering best practices, including Clean Code, testing, code reviews, and CI/CD\nMonitor and maintain data platform reliability, scalability, and performance\nExpected competences and knowledge:\nMinimum 3 years of commercial experience as a Data Engineer working with large-scale data environments\nStrong expertise in SQL and deep understanding of data modeling and Cloud Data Warehouse architecture\nHands-on experience with ETL/ELT process design, implementation, and maintenance\nPractical experience with public cloud platforms, especially GCP (BigQuery, Dataflow)\nStrong programming skills in Python for Big Data processing, including PySpark and Airflow\nKnowledge of Scala or Java is a plus\nExperience with software engineering best practices: Clean Code, testing, Code Review, and CI/CD\nGood working knowledge of Unix/Linux environments\nHigh level of autonomy, ownership, and responsibility for delivered solutions\nUnderstanding of MLOps concepts and machine learning model lifecycle\nExperience preparing data structures for AI/ML model training and production environments\nTechnologies you'll work with\nETL\nBig Data\n Python\nSQL\nGCP (BigQuery, Dataflow)\nPySpark\nAirflow\nScala / Java\nClient - why choose this particular client from the Jit portfolio?\nOur Client dominates the Polish e-commerce arena as the market leader since 1999. With a user base of over 20 million and growing, this well-established platform is at the forefront of e-commerce, constantly striving for growth through market expansion and investment. As a major player in technology, our Client boasts a talented IT team of over 1,000 employees who focus on developing their own cutting-edge technologies.\nJit Team has had a successful partnership with our Client since spring 2021, with multiple software development teams dedicated to our Client's platforms. These teams operate autonomously, designing platform components through micro-services.\nWorking with our Client offers a chance to contribute to a solution used by millions on a daily basis and to tackle the challenge of delivering software at a massive scale, where even a single second of delay can have a significant impact. This project provides a unique opportunity to work with state-of-the-art technologies and tools, making it a rare and valuable experience.\nAbout Jit Team\nThe Human Factor of IT- it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts, to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams.\nBehind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity.By supporting local initiatives, we contribute to the circulation of good energy.","description_format":"text","description_chars":5374,"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":["Flexible schedule","Professional development"],"hiring_locations":[{"name":"Poland","iso":"PL","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","Commerce","IT Outsourcing & Dedicated Teams","Custom Software Development"],"lifecycle":[{"event":"open","at":"2026-10-08T22:32:29Z"}],"visa":[],"liveness":{"score":12,"band":"cold","label":"Long shot","p_open":1,"p_active":0.441,"p_room":0.28,"age_days":79,"expected_fill_days":30,"reasons":["conf:0","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-17T05:46:00Z"},"pay":{"stated_usd_annual":95500,"is_top_pay":false},"html_url":"https://alion.io/job/jit-team-allegro-data-engineer-data-engineer-data-ai-area","json_url":"https://alion.io/job/jit-team-allegro-data-engineer-data-engineer-data-ai-area.json","meta":{"generated_at":"2026-10-18T07:08:52Z","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":10653,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-19T00:00:00Z"}},"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":53531},"rest":"https://alion.io/mcp/rest/get_company?id=53531"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fjit-team-allegro-data-engineer-data-engineer-data-ai-area"},{"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%2Fjit-team-allegro-data-engineer-data-engineer-data-ai-area"},{"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%2Fjit-team-allegro-data-engineer-data-engineer-data-ai-area"},{"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/jit-team-allegro-data-engineer-data-engineer-data-ai-area\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fjit-team-allegro-data-engineer-data-engineer-data-ai-area"}]}