{"id":803223,"url":"https://alion.io/job/xm-senior-data-engineer","title":"Data Engineer","company":{"id":56888,"name":"XM","domain":"xm.com","url":"https://alion.io/company/xm-com","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"B","score":73,"open_postings":54,"ghost_share":0.37,"stale_share":0,"repost_share":0.019,"time_to_fill_p50_days":189,"computed_at":"2026-11-07T05:47:08Z"}},"role":"Data Science","role_family":"Data Science","seniority":"middle","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Athens, Greece","Limassol, Cyprus","Nicosia, Cyprus"],"countries":["GR","CY"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":30000,"max_usd":79000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":2679},"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"A/B Testing","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"GCP","optional":false},{"name":"Machine Learning","optional":false},{"name":"NumPy","optional":false},{"name":"Pandas","optional":false},{"name":"Python","optional":false},{"name":"Scikit-learn","optional":false}],"status":"live","first_seen_at":"2025-03-21T08:29:22Z","employer_posted_date":"2025-03-21","last_verified_at":"2026-11-07T23:08:58Z","board_verified":true,"closed_at":null,"days_open":596,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":595},"description":"The Role:\nThe Data Science team at XM is seeking a skilled Data Engineer with a strong background in data science. The ideal candidate should have extensive experience in designing, building, and maintaining data infrastructure and pipelines that support machine learning models and large-scale analytics. The role involves close collaboration with data scientists, data analysts, and other stakeholders to ensure data quality and accessibility, driving data-driven decision-making and implementing AI solutions across the organization.\nThe main responsibilities of the position include:\nDesign, develop, and maintain scalable data pipelines for data transformation and preparation.\nPrepare datasets for data analysts and data scientists for exploratory data analysis, A/B testing, model training, and validation.\nEnsure data quality and consistency across various sources.\nDeploy machine learning models and AI tools to production environments.\nCollaborate with data scientists to improve data models and support business intelligence tools.\nBuild and maintain data warehousing solutions.\nEnforce data governance and security policies.\nWork with cross-functional teams to understand data requirements and provide technical solutions.\nMentor junior data engineers and provide technical guidance.\nMain requirements:\nMSc or PhD in Data Science, Computer Science, Physics, Mathematics, or a related field.\n4+ years of experience with a focus on data engineering and Python software development (Pandas, NumPy, Scikit-learn)\nExperience with AWS, Google Cloud, or Azure cloud services\nExtensive experience with relational and non-relational databases.\nProven experience with machine learning.\nDemonstrated experience in big data processing and analytics.\nStrong analytical thinking and problem-solving abilities.\nEffective communication skills to convey data-driven insights.\nFluency in English Language\nBenefit from:\nAttractive remuneration package\nPrivate health insurance\nCorporate pension fund\nIntellectually stimulating work environment\nContinuous personal development and international training opportunities\nThe Hiring Experience: What Awaits You\nLet’s Connect - Intro Chat with Talent Acquisition\nDeep Dive - First Interview with Your Future Team\nBring It to Life - Role-Specific Take-Home Task\nFinal Connection - Final Interview","description_format":"text","description_chars":2332,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"master","optional":false},"security_clearance":false,"languages":[{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":["Health insurance"],"hiring_locations":[{"name":"Greece","iso":"GR","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Online Brokerage & Trading Platforms","Forex & CFD Brokers"],"lifecycle":[{"event":"open","at":"2026-09-12T08:41:00Z"}],"visa":[],"liveness":{"score":8,"band":"cold","label":"Long shot","p_open":1,"p_active":0.3,"p_room":0.28,"age_days":595,"expected_fill_days":189,"reasons":["conf:2","ghost","win:tail","crowd:"],"computed_at":"2026-11-07T05:47:08Z"},"pay":null,"html_url":"https://alion.io/job/xm-senior-data-engineer","json_url":"https://alion.io/job/xm-senior-data-engineer.json","meta":{"generated_at":"2026-11-08T03:06:32Z","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":6659,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-09T00:00:00Z"}},"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":56888},"rest":"https://alion.io/mcp/rest/get_company?id=56888"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fxm-senior-data-engineer"},{"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%2Fxm-senior-data-engineer"},{"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%2Fxm-senior-data-engineer"},{"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/xm-senior-data-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fxm-senior-data-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":803223}},{"tool":"search_jobs","arguments":{"company":"xm.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":803223},"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. 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