Senior Data Scientist — Volt

Senior Data Scientist — VoltChișinău | Full-timeTurn data into business decisions in a modern fintech built from scratch.Data-driven products. Real business impact.No legacy constraints.Freedom to define methodologies, architectures, and product direction.We are not maintaining someone else’s models.We are not doing analytics theater.We are building scalable ML models where business impact matters.What This Role Really IsThis is not a dashboard role.This is a builder role.You will:Build ML models that solve real business problemsOwn the full path from data to productionDefine methodologies and architectures from scratchDeliver insights that change business decisionsWhat You’ll OwnModel DevelopmentDevelop ML models to solve business problemsSelect the right model and methodology for the problem (regression, classification, recommendation systems, forecasting)Research and integrate new technologies, techniques, and data sourcesExperimentation & ValidationRun experiments (A/B tests, offline evaluation) to validate model performance and business impactIdentify issues such as drift over time, degradation, data leakage, or selection bias to increase trust in modelsImpact & CollaborationDeliver actionable insights to stakeholders (including non-tech)Collaborate cross-functionally (engineering, product, business)ML Engineering CultureContribute through strong practices: MLOps, code quality, testing, versioning, and documentationTech Stack (Current)Core: Python • Machine Learning • SQL • Data Science • AlgorithmsPython and SQL production experience is mandatory.What We’re Looking ForTechnical Depth5+ years in Data Science / ML, with models taken end-to-end into productionDegree in a quantitative field (Statistics, Mathematics, CS, Engineering)Advanced Python and SQLDeep understanding of machine learning, predictive modeling, clustering & classificationSolid familiarity with MLOps and cloud (AWS / GCP / Azure)Experience with large volumes of structured and semi-structured data (including JSON)Excellent communication with non-technical audiencesAnalytical thinking, intellectual curiosity, comfort with ambiguity and strong ownershipNice to Have (Modern Stack)Azure ML / Azure Databricks / SynapseMicrosoft Fabric (Notebooks, Lakehouse, Data Factory, Semantic Models)PySpark and Delta LakeFintech, payments, risk or credit scoringExperimentation frameworks & causal inferenceExperience in mentoring or technical coordinationWhy This Is InterestingBuild a modern fintech product from scratchReal freedom in choosing technologies, defining the architecture, and how you workNo legacy code or technical constraintsCollaboration with a senior team (tech + management)A smart, tight-knit, impact-oriented teamCulture: ownership, autonomy, innovationBrutally Honest ClosingIf you want to turn data into real product decisions — and you’re ready to own it end to end — send us your CV and let’s build the future of fintech together. 🚀