{"id":963884,"url":"https://alion.io/job/link-group-senior-machine-learning-engineer","title":"Senior Machine Learning Engineer","company":{"id":880,"name":"Link Group","domain":"linkgroup.co","url":"https://alion.io/company/link-group","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":"Recruitify","truth_index":{"grade":"B","score":81,"open_postings":92,"ghost_share":0,"stale_share":0.761,"repost_share":0,"time_to_fill_p50_days":44,"computed_at":"2026-11-10T06:52:35Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":"senior","employment_type":null,"work_mode":"on_site","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":null,"salary_estimate":{"min_usd":69000,"max_usd":114000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":59},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"CI/CD","optional":false},{"name":"Claude Code","optional":false},{"name":"Copilot","optional":false},{"name":"Cursor","optional":false},{"name":"Databricks","optional":false},{"name":"Go","optional":false},{"name":"Kubernetes","optional":false},{"name":"Machine Learning","optional":false},{"name":"MLFlow","optional":false},{"name":"Python","optional":false},{"name":"Spark","optional":false}],"status":"live","first_seen_at":"2026-09-09T00:00:00Z","employer_posted_date":"2026-09-16","last_verified_at":"2026-11-10T20:29:33Z","board_verified":true,"closed_at":null,"days_open":62,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":62},"description":"Senior Machine Learning Engineer\nWe are looking for a Senior Machine Learning Engineer to join a global technology organisation and work on data-driven products used by millions of customers worldwide.\nYou will be part of a cross-functional, international team responsible for building and operating machine learning systems that support personalised customer experiences, marketing communications, content generation and intelligent decision-making.\nThis is a hands-on engineering role combining machine learning, data engineering, AI and production systems. You will work closely with Data Scientists, Software Engineers and Product teams to take ideas from experimentation through to reliable, scalable production solutions.\nAbout the role\nAs a Senior Machine Learning Engineer, you will help shape the intelligence behind how, when and what companies communicate to their customers.\nYour work will focus on areas such as:\nDecisioning and personalisation - building and improving data foundations and machine learning solutions that optimise customer communications across channels such as email, SMS and push notifications.\nIntelligent customer funnels - supporting initiatives that use data and AI to personalise the customer experience and improve conversion.\nAI-assisted content and search - developing systems for automated content generation, contextual asset retrieval and intelligent support for marketing teams.\nML infrastructure and tooling - improving the foundations, developer tooling and workflows required to develop, deploy and operate production ML systems at scale.\nYou will have significant ownership over the systems you build, from initial experimentation and architecture through to deployment, monitoring and continuous improvement.\nWhat you’ll do\nBuild, maintain and improve ML infrastructure, repositories, developer tooling and engineering workflows.\nDesign and operate data products and machine learning systems from experimentation through to production.\nBuild robust data pipelines and integrations supporting machine learning and decisioning systems.\nDevelop scalable AI-powered solutions for content generation, search and asset retrieval.\nBuild production-grade pipelines and model-serving layers with a strong focus on reliability, latency and observability.\nWork closely with Data Scientists to turn experimental models into robust production services.\nEstablish and improve ML engineering standards, CI/CD practices and platform solutions, including technologies such as Databricks and MLflow.\nMonitor production systems, data quality, model performance, drift and latency.\nDiagnose issues under real-world load and implement reliable solutions.\nTake ownership of the systems you build and continuously improve them based on data and user outcomes.\nCollaborate with engineers, data scientists and product stakeholders across international teams.\nUse AI-assisted development tools as part of your everyday engineering workflow.\nWhat you’ll bring\nStrong hands-on experience in Machine Learning Engineering / Data Engineering, ideally with 5+ years of experience building and operating production ML systems.\nExperience taking machine learning models or data products from experimentation into production.\nStrong Python skills and experience with technologies such as Spark and Databricks.\nExperience with ML platforms and tooling such as MLflow.\nPractical understanding of production ML systems, including pipelines, model serving, monitoring and observability.\nExperience working with cloud, platform or backend technologies such as Kafka, Kubernetes or Go would be an advantage.\nStrong statistical literacy and the ability to design and interpret experiments and model metrics.\nExperience working with AI development tools such as Claude Code, Cursor or GitHub Copilot.\nStrong problem-solving and troubleshooting skills.\nA high level of ownership and a pragmatic, delivery-focused mindset.\nThe ability to work effectively in a cross-functional and international environment.\nGood product sense and the ability to connect technical solutions with business and user outcomes.\nWhat you can expect\nWork on large-scale, globally used technology products.\nCollaboration with experienced engineers, Data Scientists and Product professionals across international teams.\nA modern technology stack and opportunities to influence architecture and engineering practices.\nEnd-to-end ownership, from defining problems and experimenting with solutions to deploying and operating them in production.\nA highly collaborative, autonomous and product-oriented working environment.\nOpportunities to work with AI, machine learning and data at significant scale.\nAccess to a modern office in Warsaw, with flexible and employee-friendly facilities.\nWe are looking for people who are curious, pragmatic and enjoy solving complex problems. If you do not meet every requirement but have strong experience in building production ML systems and believe you could thrive in this environment, we would still be interested in hearing from you.","description_format":"text","description_chars":5049,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Outsourcing & Dedicated Teams","Managed IT Services (MSP)","IT Staffing & Staff Augmentation"],"lifecycle":[{"event":"open","at":"2026-09-16T12:42:32Z"}],"visa":[],"liveness":{"score":25,"band":"fade","label":"Fading","p_open":1,"p_active":0.566,"p_room":0.44,"age_days":62,"expected_fill_days":44,"reasons":["conf:2","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-11-10T06:52:35Z"},"pay":null,"html_url":"https://alion.io/job/link-group-senior-machine-learning-engineer","json_url":"https://alion.io/job/link-group-senior-machine-learning-engineer.json","meta":{"generated_at":"2026-11-10T23:46:20Z","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":31,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-11T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":880},"rest":"https://alion.io/mcp/rest/get_company?id=880"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Flink-group-senior-machine-learning-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Flink-group-senior-machine-learning-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Flink-group-senior-machine-learning-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/link-group-senior-machine-learning-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Flink-group-senior-machine-learning-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":963884}},{"tool":"search_jobs","arguments":{"company":"linkgroup.co","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":963884},"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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