{"id":3406426,"url":"https://alion.io/job/idt-corporation-senior-data-scientist","title":"Senior Data Scientist","company":{"id":4445,"name":"IDT Corporation","domain":"idt.net","url":"https://alion.io/company/idt","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"C","score":63,"open_postings":92,"ghost_share":0.62,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":44,"computed_at":"2026-11-05T05:54:30Z"}},"role":"Data Science","role_family":"Data Science","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Minsk, Belarus","Warsaw, Poland","Tbilisi, Georgia","Belgrade, Serbia","Vietnam"],"countries":["BY","PL","GE","RS","VN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":9000,"max_usd":24000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":2679},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"A/B Testing","optional":false},{"name":"Anomaly Detection","optional":false},{"name":"MLFlow","optional":false},{"name":"ClearML","optional":true},{"name":"Explainable AI","optional":true},{"name":"Feature Store","optional":true},{"name":"LLM","optional":true},{"name":"NumPy","optional":true},{"name":"Pandas","optional":true},{"name":"Python","optional":true},{"name":"PyTorch","optional":true},{"name":"Scikit-learn","optional":true},{"name":"Snowflake","optional":true},{"name":"SQL","optional":true},{"name":"TensorFlow","optional":true},{"name":"Time Series","optional":true}],"status":"live","first_seen_at":"2026-06-09T13:05:52Z","employer_posted_date":"2026-06-09","last_verified_at":"2026-11-06T00:05:20Z","board_verified":true,"closed_at":null,"days_open":149,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":148},"description":"IDT is expanding its AI Lab and seeking a hands-on, highly experienced Senior Data Scientist with a proven track record of building new ML models from scratch and deploying them into real-time production. You will tackle complex problems across fraud prevention, payment risk, transaction scoring, personalization, and financial forecasting using large-scale transactional datasets. You will own the full modeling lifecycle - from problem framing through to production monitoring.\nKey Responsibilities:\nML & Predictive Modeling: Design and build new models from the ground up (gradient boosting, neural networks, ensembles, anomaly detection) for anti-fraud, risk assessment, and personalization; maintain rigorous validation practices to prevent data leakage and overfitting.\n\nEnd-to-End & MLOps: Partner with Data Engineering and MLOps to operationalize models in production (batch and real-time/low-latency); build training, experiment tracking (MLflow), and model/data drift monitoring pipelines.\n\nExperimentation & Business Impact: Design A/B tests and statistical evaluations to measure model performance against key business metrics (reduced fraud losses, transaction acceptance rates, decision latency).\n\nR&D & Technical Leadership: Explore emerging techniques (LLMs/GenAI, graph-based methods), establish engineering best practices, and mentor fellow team members.\n\nRequirements (Must-Have):\nExperience: 5+ years of hands-on experience in Data Science / ML, with a strong focus on designing and building new ML models from scratch and delivering them into production with measurable business impact.\n\nEnglish: B2+ (Upper-Intermediate or higher) - fluent written and spoken communication for technical discussions and daily collaboration with an international team.\n\nMath & Modeling Foundations: Deep understanding of statistics, probability, and validation methodologies; practical experience handling class imbalance, model calibration, and anomaly detection.\n\nTech Stack:\n\nPython: Advanced proficiency (Scikit-learn, Pandas, NumPy);\n\nDeep Learning: Hands-on experience with PyTorch or TensorFlow;\n\nSQL: Complex queries and large-scale data manipulation;\n\nMLOps Tools: Experiment tracking and model lifecycle management (MLflow, ClearML, etc.).\n\nEducation: Bachelor’s degree in Computer Science, Mathematics, Statistics, Engineering, or a related quantitative field.\n\nNice-to-Have:\nDomain experience in FinTech, Payments, or Fraud Prevention: real-time transaction scoring and low-latency inference.\n\nExperience with cloud data platforms (Snowflake), Feature Stores, and event-driven architectures.\n\nBackground in time-series forecasting, graph neural networks, Explainable AI (XAI), or applied LLM solutions.\n\nMaster’s degree or Ph.D. in a quantitative discipline.\n\nWe offer you:\nRemote b2b or hybrid (Belarus-Moldova) work opportunity!\nStable job with long-term growth perspective.\nCompetitive salary with annual performance review.\nReally good hardware.\nAn exciting and challenging job with talented people around.\nContinuous learning and career growth opportunities.\nCompensation for professional training, seminars, and conferences.\nReferral program - get rewarded for helping us grow the team with talented people.\nCompany-supported English classes to enhance your professional growth.\nMore perks for the Minsk and Chisinau office employees.","description_format":"text","description_chars":3357,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[{"language":"English","level":"Upper-Intermediate (B2)","optional":false}]},"benefits":["Continuous learning","Growth opportunities"],"hiring_locations":[{"name":"Belarus","iso":"BY","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Unified Communications","Network Interconnect","Money Transfer & Remittances"],"lifecycle":[{"event":"open","at":"2026-10-28T16:20:29Z"}],"visa":[],"liveness":{"score":8,"band":"cold","label":"Long shot","p_open":1,"p_active":0.3,"p_room":0.28,"age_days":148,"expected_fill_days":44,"reasons":["conf:2","stale_co","velocity","ghost","win:tail","crowd:brand"],"computed_at":"2026-11-05T05:54:30Z"},"pay":null,"html_url":"https://alion.io/job/idt-corporation-senior-data-scientist","json_url":"https://alion.io/job/idt-corporation-senior-data-scientist.json","meta":{"generated_at":"2026-11-06T01:01:19Z","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":1790,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-07T00:00:00Z"}},"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":4445},"rest":"https://alion.io/mcp/rest/get_company?id=4445"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fidt-corporation-senior-data-scientist"},{"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%2Fidt-corporation-senior-data-scientist"},{"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%2Fidt-corporation-senior-data-scientist"},{"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/idt-corporation-senior-data-scientist\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fidt-corporation-senior-data-scientist"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3406426}},{"tool":"search_jobs","arguments":{"company":"idt.net","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3406426},"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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