{"id":3675238,"url":"https://alion.io/job/lmwgroup-bi-etl-developer-mid-level","title":"BI & ETL Developer (Mid-Level)","company":{"id":1042784,"name":"LMW HR Group","domain":"lmwgroup.com","url":"https://alion.io/company/lmwgroup","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"C","score":65,"open_postings":17,"ghost_share":0.588,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-11-05T05:54:30Z"}},"role":"Analytics","role_family":"Analytics","seniority":"middle","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Athens, Greece"],"countries":["GR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ETL/ELT","optional":false},{"name":"SQL","optional":false},{"name":"Agile","optional":true},{"name":"Dimensional Modeling","optional":true},{"name":"Informatica","optional":true},{"name":"Oracle","optional":true}],"status":"live","first_seen_at":"2026-11-02T00:00:00Z","employer_posted_date":"2026-11-02","last_verified_at":"2026-11-05T06:26:15Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":3},"description":"LMW HR Group, on behalf of its client, a leading IT company collaborating with a Tier 1 Greek bank, is seeking a skilled BI & ETL Developer to join a dynamic software development team. The successful candidate will contribute to the development, maintenance, and optimization of data integration processes and business intelligence solutions, helping transform data into meaningful business insights.\nThe ideal candidate will have solid SQL skills, hands-on experience with ETL tools, and an understanding of business intelligence and data warehousing concepts.\nKey Responsibilities\nConfigure, develop, maintain, and optimize ETL processes and data integration workflows.\nDevelop new data flows, data transformations, and business intelligence reports.\nDevelop, optimize, and troubleshoot SQL queries, stored procedures, and data manipulation processes.\nMaintain, enhance, and support existing ETL workflows, BI reports, dashboards, and data models.\nWork with data integration and transformation processes to ensure data quality, consistency, accuracy, and reliability.\nAnalyze and resolve issues related to data integration, reporting, and data processing.\nCollaborate with business analysts, data engineers, and other technical teams to translate business requirements into effective technical solutions.\nDocument ETL workflows, data mappings, and technical specifications.\nContribute to the continuous improvement of data integration processes and reporting solutions.\nRequirements\nMinimum 3 years of professional experience in BI development, ETL development, or a related data-focused role.\nStrong knowledge of SQL, including query writing, data manipulation, and optimization.\nHands-on experience with ETL tools and data integration processes.\nGood understanding of data integration, data transformation, and data warehousing concepts.\nStrong analytical and problem-solving skills.\nAbility to work independently and collaboratively within a team.\nGood command of Greek and English\nGood communication skills and attention to detail.\nNice to Have\nExperience with Informatica IDMC, Cloud Data Integration (CDI), PowerCenter, or similar platforms.\nExperience with Oracle BI or other business intelligence and reporting tools.\nFamiliarity with Oracle databases and relational database management systems (RDBMS).\nKnowledge of data modeling and dimensional modeling concepts.\nFamiliarity with data quality practices, performance tuning, and ETL optimization techniques.\nExperience working in Agile development environments.\nBenefits\nHybrid working model (with a minimum of 2 days per week on-site at the client's premises).\nContinuous learning and professional development opportunities.\nCollaborative, supportive, and inclusive working environment.\nPrivate health insurance\nThe opportunity to work on data integration and business intelligence projects.\nOpportunities to expand your technical expertise and work with modern data technologies.","description_format":"text","description_chars":2943,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"Greek","level":"All levels","optional":false}]},"benefits":["Continuous learning","Health insurance","Hybrid work","Professional development"],"hiring_locations":[{"name":"Greece","iso":"GR","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Human Resources","Recruiting & Staffing"],"lifecycle":[{"event":"open","at":"2026-11-03T10:40:52Z"}],"visa":[],"liveness":{"score":60,"band":"ok","label":"Likely open","p_open":1,"p_active":0.602,"p_room":1,"age_days":3,"expected_fill_days":26,"reasons":["conf:4","stale_co","win:early"],"computed_at":"2026-11-05T05:54:30Z"},"pay":null,"html_url":"https://alion.io/job/lmwgroup-bi-etl-developer-mid-level","json_url":"https://alion.io/job/lmwgroup-bi-etl-developer-mid-level.json","meta":{"generated_at":"2026-11-05T11:40:51Z","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":14945,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-06T00:00:00Z"}},"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":1042784},"rest":"https://alion.io/mcp/rest/get_company?id=1042784"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Flmwgroup-bi-etl-developer-mid-level"},{"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%2Flmwgroup-bi-etl-developer-mid-level"},{"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%2Flmwgroup-bi-etl-developer-mid-level"},{"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/lmwgroup-bi-etl-developer-mid-level\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Flmwgroup-bi-etl-developer-mid-level"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3675238}},{"tool":"search_jobs","arguments":{"company":"lmwgroup.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3675238},"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"}}