{"id":2726336,"url":"https://alion.io/job/n-ix-middle-applied-scientistml-engineer","title":"Middle Applied Scientist/ML Engineer","company":{"id":13248,"name":"N-iX","domain":"n-ix.com","url":"https://alion.io/company/n-ix","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":86,"open_postings":9,"ghost_share":0,"stale_share":0.556,"repost_share":0,"time_to_fill_p50_days":45,"computed_at":"2026-10-16T05:45:00Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Ukraine"],"countries":["UA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"GCP","optional":false},{"name":"Machine Learning","optional":false},{"name":"Python","optional":false},{"name":"SQL","optional":false},{"name":"Agentic Workflows","optional":true},{"name":"LLM","optional":true},{"name":"Multimodal AI","optional":true},{"name":"Semantic Search","optional":true},{"name":"Semantic Search","optional":true},{"name":"VLM","optional":true}],"status":"live","first_seen_at":"2026-10-01T15:18:47Z","employer_posted_date":"2026-10-16","last_verified_at":"2026-10-16T20:43:25Z","board_verified":true,"closed_at":null,"days_open":15,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":15},"description":"N-iX is for a Middle Applied Scientist to join our team and improve how customers discover, evaluate, and select content for AI training datasets. You will own scoped scientific projects from problem framing through recommendation, while helping shape broader methods and standards with senior and principal data science colleagues. Working with product and engineering partners, you will turn evaluation results and experimental evidence into improvements to the Data Licensing platform.\nThis role is well suited to someone who has applied statistical and machine-learning methods in production and is ready to take greater ownership of product-facing scientific work.\nOur customer is a technology company that powers one of the world's largest two-sided marketplaces for high-quality photos, illustrations, videos and music used by individuals, businesses, marketing agencies and media organizations of all sizes. In this role, you will be working with highly motivated and talented data scientists and engineers who are primarily focused on developing next-generation AI/ML systems that transform the way people find content they enjoy.\nResponsibilities:\nPartner with senior and principal data scientists to improve dataset discovery, qualification, and selection by evaluating and enhancing retrieval, classification, filtering, and ranking approaches\nDevelop and apply evaluation and sampling methods to measure dataset relevance, coverage, diversity, composition, and representativeness.\nEvaluate automated dataset-curation workflows, using structured error analysis to assess interpretation, selection quality, and failure modes and recommend improvements.\nDesign and analyse experiments using offline evaluation and product telemetry to recommend improvements to curation quality, workflow performance, and customer experience.\nRequirements:\n4+ years of commercial experience in data science, applied science, machine learning, or a related field.\nStrong grounding in statistics, experimental design, and quantitative problem-solving.\nExperience evaluating search, recommendation, ranking, and similar machine-learning systems.\nExperience taking experiments from problem framing and metric definition through analysis and recommendation.\nProficiency in Python and SQL and experience working with large datasets.\nPractical experience applying several relevant techniques, such as sampling, clustering, classification, optimisation, uncertainty estimation, or Bayesian methods.\nExperience using structured error analysis to identify opportunities to improve model or platform performance.\nStrong communication skills and experience working with product and engineering partners.\nAbility to innovate and identify new approaches to improve current practices.\nEnglish level - upper-intermediate or higher\nWorking experience AWS and/or GCP\nNice to have:\nExperience with embedding models, semantic search, information retrieval, and multimodal content.\nExperience evaluating LLM-based or agentic workflows.\nUnderstanding of annotation workflows, from human labelling to model-assisted and VLM-based annotation.\nExperience estimating full-population quality from representative samples.\nWe offer*:\nFlexible working format - remote, office-based or flexible\nA competitive salary and good compensation package\nPersonalized career growth\nProfessional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)\nActive tech communities with regular knowledge sharing\nEducation reimbursement\nMemorable anniversary presents\nCorporate events and team buildings\nOther location-specific benefits\n*not applicable for freelancers","description_format":"text","description_chars":3656,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":["Flexible schedule","Professional development"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Consulting & Digital Transformation","IT Outsourcing & Dedicated Teams","Custom Software Development","AI Consulting & Integration"],"lifecycle":[{"event":"open","at":"2026-10-16T16:25:04Z"}],"visa":[],"liveness":{"score":82,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.817,"p_room":1,"age_days":15,"expected_fill_days":45,"reasons":["conf:3","win:early","comp:brand"],"computed_at":"2026-10-16T23:47:48Z"},"pay":null,"html_url":"https://alion.io/job/n-ix-middle-applied-scientistml-engineer","json_url":"https://alion.io/job/n-ix-middle-applied-scientistml-engineer.json","meta":{"generated_at":"2026-10-16T23:47:48Z","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":5909,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-17T00:00:00Z"}},"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":13248},"rest":"https://alion.io/mcp/rest/get_company?id=13248"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fn-ix-middle-applied-scientistml-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%2Fn-ix-middle-applied-scientistml-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%2Fn-ix-middle-applied-scientistml-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/n-ix-middle-applied-scientistml-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fn-ix-middle-applied-scientistml-engineer"}]}