{"id":3538001,"url":"https://alion.io/job/sii-etl-developer-fmx-2","title":"ETL Developer (f/m/x)","company":{"id":1387,"name":"Sii","domain":"sii.pl","url":"https://alion.io/company/sii","size_band":"5000+","is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":"Career sitemap","truth_index":null},"role":"Data Science","role_family":"Data Science","seniority":"junior","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Białystok, Poland"],"countries":["PL"],"hiring_countries":["PL"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":30000,"max_usd":77000,"period":"year","method":"role_seniority_country_cell","sample_n":16},"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"SQL","optional":false},{"name":"ETL/ELT","optional":true},{"name":"Teradata","optional":true}],"status":"live","first_seen_at":"2026-10-30T10:30:28Z","employer_posted_date":"2026-10-30","last_verified_at":"2026-11-01T01:09:55Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"This translation is generic and may include errors.\nShow original text\n\nThis offer base language is English.\nTranslate into Polish.\nTechnologie i narzędzia\nWymagane\n\nSQL\n\nMile widziane\nETL\nTeradata\nBankowość i finanse\nSzukamy ETL Developera, który dołączy do projektu skoncentrowanego na danych w sektorze bankowym. W tej roli będziesz pracować z procesami ETL, przepływami danych i rozwiązaniami hurtowni danych, używając SQL do przetwarzania i transformacji danych. To doskonała okazja dla kogoś z początkowym doświadczeniem komercyjnym w rozwoju ETL, kto chce dalej rozwijać swoje umiejętności techniczne i zdobyć doświadczenie w obszarze bankowym.\nTwoje zadania\nRozwój i utrzymanie procesów ETL oraz przepływów danych\nPisanie zapytań SQL do ekstrakcji, transformacji i przetwarzania danych\nIntegracja danych z różnych źródeł do hurtowni danych\nTransformacja i przygotowanie danych zgodnie z określonymi wymaganiami\nWsparcie i monitorowanie istniejących rozwiązań przetwarzania danych\nIdentyfikacja i rozwiązywanie problemów związanych z przetwarzaniem danych\nZapewnienie jakości, integralności i spójności danych\nWspółpraca z innymi członkami zespołu pracującymi nad rozwiązaniami danych\nWymagania\nCo najmniej 2-letnie doświadczenie komercyjne w rozwoju ETL, inżynierii danych lub podobnej roli skoncentrowanej na danych\nDobra praktyczna znajomość SQL\nDoświadczenie lub dobra znajomość procesów ETL i transformacji danych\nPodstawowa wiedza na temat koncepcji hurtowni danych\nZnajomość przetwarzania danych i integracji danych\nDobra znajomość języka angielskiego\nBiegła znajomość języka polskiego\nRezydencja w Polsce\nMile widziane\nDoświadczenie z Teradata\nDoświadczenie w sektorze bankowym lub usług finansowych\nZnajomość środowisk danych w bankowości\nNr oferty JOB-KE4GT\nSii zapewnia, że wszystkie decyzje związane z zatrudnieniem są podejmowane wyłącznie na podstawie kwalifikacji i kompetencji. Zobowiązujemy się do równego traktowania wszystkich osób, niezależnie od cech chronionych, oraz promowania zróżnicowanego i integracyjnego środowiska pracy.\nTechnologies & tools\nMust have\n\nSQL\n\nNice to have\nETL\nTeradata\nBanking & Finance\nWe are looking for an ETL Developer to join a data-focused project in the banking sector. In this role, you will work with ETL processes, data flows, and data warehouse solutions, using SQL to process and transform data. This is a great opportunity for someone with initial commercial experience in ETL development who wants to further develop their technical skills and gain experience in the banking domain.\nYour tasks\nDeveloping and maintaining ETL processes and data flows\nWriting SQL queries for data extraction, transformation, and processing\nIntegrating data from different sources into the data warehouse\nTransforming and preparing data according to defined requirements\nSupporting and monitoring existing data processing solutions\nIdentifying and resolving issues related to data processing\nEnsuring data quality, integrity, and consistency\nCooperating with other team members working on data solutions\nRequirements\nAt least 2 years of commercial experience in ETL development, data engineering, or a similar data-focused role\nGood practical knowledge of SQL\nExperience or good understanding of ETL processes and data transformation\nBasic knowledge of data warehouse concepts\nUnderstanding of data processing and data integration\nGood command of English\nFluent Polish\nResidency in Poland\nNice to have\nExperience with Teradata\nExperience in the banking or financial services sector\nKnowledge of banking data environments\nJob no. JOB-KE4GT\nSii zapewnia, że wszystkie decyzje związane z zatrudnieniem są podejmowane wyłącznie na podstawie kwalifikacji i kompetencji. Zobowiązujemy się do równego traktowania wszystkich osób, niezależnie od cech chronionych, oraz promowania zróżnicowanego i integracyjnego środowiska pracy.","description_format":"text","description_chars":3868,"description_truncated":false,"requirements":{"experience_years_min":2,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"Polish","level":"Advanced (C1)","optional":false},{"language":"English","level":"All levels","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Poland","iso":"PL","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Outsourcing & Dedicated Teams","Engineering Services","IT Staffing & Staff Augmentation"],"lifecycle":[{"event":"open","at":"2026-10-30T18:19:11Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":0,"expected_fill_days":27,"reasons":["conf:3","velocity","win:early","comp:junior,brand"],"computed_at":"2026-10-31T05:58:55Z"},"pay":null,"html_url":"https://alion.io/job/sii-etl-developer-fmx-2","json_url":"https://alion.io/job/sii-etl-developer-fmx-2.json","meta":{"generated_at":"2026-11-01T01:10:57Z","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":1898,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-02T00:00:00Z"}},"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":1387},"rest":"https://alion.io/mcp/rest/get_company?id=1387"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsii-etl-developer-fmx-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%2Fsii-etl-developer-fmx-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%2Fsii-etl-developer-fmx-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/sii-etl-developer-fmx-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsii-etl-developer-fmx-2"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3538001}},{"tool":"search_jobs","arguments":{"company":"sii.pl","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3538001},"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"}}