Senior Data Scientist_Pune

Job Description: Data ScientistLocation: Mumbai / PuneExperience: 5-10 yearsRole SummaryThe Data Scientist is responsible for making statistically sound decisions about models and data.This role focuses on problem formulation, model selection, evaluation, and interpretation, ensuring that models are valid, robust, and aligned with business objectives.Key ResponsibilitiesProblem Framing & ModellingTranslate business problems into statistical or machine learning problemsSelect appropriate modelling approaches and algorithmsDesign features in collaboration with Data EngineersModel Development & EvaluationTrain, tune, and compare modelsDefine and justify evaluation metrics and validation strategiesPerform error analysis and model diagnosticsStatistical Reasoning & AnalysisAnalyse bias, variance, overfitting, and data leakageAssess robustness, stability, and uncertainty of modelsReason about correlation vs causation where applicableCommunication & Decision SupportInterpret model results and trade-offs for technical and non-technical stakeholdersRecommend whether a model is fit for production or notClearly communicate uncertainty, assumptions, and limitationsRequired Skills & QualificationsStrong foundation in:Probability and statisticsLinear algebraExperience with:Machine learning model training and evaluationExperiment design and analysisProficiency in Python and common ML librariesAbility to explain probabilistic outcomes clearly and preciselyAccountability & Success CriteriaModels are statistically valid and meet defined performance criteriaEvaluation methodology is sound and defensibleModelling decisions are explainable and aligned with business goalsExplicit Non‑ResponsibilitiesChoosing model architectures or algorithmsHyperparameter tuning and model selectionStatistical validation of modelling assumptions