Senior Analyst - Machine Learning, Python
India
Job Description
Senior Analyst - Machine Learning, Python
Pune, Maharashtra

Job Summary

Required SkillsML & Statistical FoundationsSolid grasp of core statistics and probability - distributions, hypothesis testing, confidence intervals, and significance testingStrong understanding of supervised, unsupervised, and semi-supervised learning paradigms and when to apply eachWorking knowledge of the bias-variance tradeoff, regularization, and overfitting/underfitting diagnosisComfort with model evaluation metrics (precision, recall, F1, ROC-AUC) and how threshold choices affect themPractical experience with classical ML algorithms (regression, classification, clustering, ensemble methods) as a foundation for designing and evaluating GenAI systemsUnderstanding of optimization fundamentals (gradient descent, learning rate tuning, convergence behavior) relevant to model fine-tuningGenAI & Engineering SkillsStrong Python coding skills - comfortable building experimental pipelines and tooling from scratchDeep understanding of LLMs, Transformer architecture, and GenAI fundamentalsHands-on experience with Agentic AI, RAG, and LLM fine-tuningProficiency in LangChain, LangGraph, and MCP (Model Context Protocol)Experience with vector databases for retrieval experimentation (FAISS, ChromaDB, Pinecone)Strong grasp of evaluation methodologies for GenAI systems (groundedness, hallucination detection, relevance scoring)

Key Responsibilities

Required SkillsML & Statistical FoundationsSolid grasp of core statistics and probability - distributions, hypothesis testing, confidence intervals, and significance testingStrong understanding of supervised, unsupervised, and semi-supervised learning paradigms and when to apply eachWorking knowledge of the bias-variance tradeoff, regularization, and overfitting/underfitting diagnosisComfort with model evaluation metrics (precision, recall, F1, ROC-AUC) and how threshold choices affect themPractical experience with classical ML algorithms (regression, classification, clustering, ensemble methods) as a foundation for designing and evaluating GenAI systemsUnderstanding of optimization fundamentals (gradient descent, learning rate tuning, convergence behavior) relevant to model fine-tuningGenAI & Engineering SkillsStrong Python coding skills - comfortable building experimental pipelines and tooling from scratchDeep understanding of LLMs, Transformer architecture, and GenAI fundamentalsHands-on experience with Agentic AI, RAG, and LLM fine-tuningProficiency in LangChain, LangGraph, and MCP (Model Context Protocol)Experience with vector databases for retrieval experimentation (FAISS, ChromaDB, Pinecone)Strong grasp of evaluation methodologies for GenAI systems (groundedness, hallucination detection, relevance scoring)

Skill Requirements

Required SkillsML & Statistical FoundationsSolid grasp of core statistics and probability - distributions, hypothesis testing, confidence intervals, and significance testingStrong understanding of supervised, unsupervised, and semi-supervised learning paradigms and when to apply eachWorking knowledge of the bias-variance tradeoff, regularization, and overfitting/underfitting diagnosisComfort with model evaluation metrics (precision, recall, F1, ROC-AUC) and how threshold choices affect themPractical experience with classical ML algorithms (regression, classification, clustering, ensemble methods) as a foundation for designing and evaluating GenAI systemsUnderstanding of optimization fundamentals (gradient descent, learning rate tuning, convergence behavior) relevant to model fine-tuningGenAI & Engineering SkillsStrong Python coding skills - comfortable building experimental pipelines and tooling from scratchDeep understanding of LLMs, Transformer architecture, and GenAI fundamentalsHands-on experience with Agentic AI, RAG, and LLM fine-tuningProficiency in LangChain, LangGraph, and MCP (Model Context Protocol)Experience with vector databases for retrieval experimentation (FAISS, ChromaDB, Pinecone)Strong grasp of evaluation methodologies for GenAI systems (groundedness, hallucination detection, relevance scoring)

Other Requirements

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Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 223,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending June 2026 totaled $14.8 billion.