Senior Data Scientist - ML, Python

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📍 Noida, India

About this role

Job Summary

Key Responsibilities-AIOPS Technical Lead

Design, develop, and deploy end‑to‑end AI applications from data ingestion to production inference. Build data pipelines for data preparation, feature engineering, and model training. Select, train, evaluate, and optimize machine learning and deep learning models. Develop APIs and services to expose AI models for real‑time and batch use cases. Implement monitoring, logging, and model performance tracking in production. Collaborate with product, data, and domain teams to translate business requirements into AI solutions. Ensure AI solutions meet enterprise standards for security, scalability, and responsible AI usage. Required AI Skill Areas (Core – 4 Skills) 1. Machine Learning & Model Development Strong understanding of supervised and unsupervised learning techniques. Experience with model training, evaluation, and tuning. Ability to select appropriate algorithms based on use case and data characteristics. Familiarity with evaluation metrics and model validation techniques. 2. Data Engineering & Feature Engineering Hands‑on experience with data preprocessing, cleaning, and exploratory data analysis. Strong skills in feature engineering and handling real‑world data issues. Proficiency in working with structured and semi‑structured data from multiple sources. Experience using Python libraries such as Pandas and NumPy, along with SQL. 3. Generative AI / LLM‑Based Application Development Experience building applications using Large Language Models (LLMs). Strong skills in prompt design, prompt optimization, and template creation. Working knowledge of embeddings, vector search, and Retrieval‑Augmented Generation (RAG). Experience integrating LLM APIs into enterprise applications. 4. AI System Design, Deployment & MLOps Ability to design scalable AI architectures for training and inference. Experience deploying models as APIs or services (e.g., using FastAPI or Flask). Understanding of model versioning, monitoring, data drift, and retraining strategies. Familiarity with containerization and cloud deployment concepts. Technical Skills Strong proficiency in Python Experience with ML/DL frameworks such as PyTorch or TensorFlow Familiarity with REST APIs, microservices, and cloud platforms (GCP) Knowledge of model lifecycle management tools (e.g., MLflow – preferred) Domain & Soft Skills Ability to work independently without code‑generation tools Strong analytical and problem‑solving skills Clear communication with technical and non‑technical stakeholders Healthcare Domain knowledge is a strong plus Nice to Have Experience with responsible AI practices and explainability Exposure to AI ethics, bias mitigation, and governan Experience working in regulated or enterprise environment Lea

Key Responsibilities



Skill Requirements

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Frequently Asked Questions

Is the salary disclosed for the Senior Data Scientist - ML, Python position at HCLTech?
The salary for this Senior Data Scientist - ML, Python role at HCLTech is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Senior Data Scientist - ML, Python position at HCLTech located?
This Senior Data Scientist - ML, Python role at HCLTech is based in Noida, India. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
How do I apply for the Senior Data Scientist - ML, Python position at HCLTech?
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When was the Senior Data Scientist - ML, Python job at HCLTech posted?
This Senior Data Scientist - ML, Python position at HCLTech was posted on Jun 8, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior Data Scientist - ML, Python
HCLTech
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