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Posted 2w ago

Senior Data Scientist - ML, Python (122250)

@ HCLTech
India
OnsiteFull Time
Responsibilities:designing AI, building pipelines, deploying models
Requirements Summary:Design, develop, and deploy end-to-end AI applications; build data pipelines; train, evaluate, and optimize ML/DL models; develop model APIs; implement MLOps and monitoring; proficiency in Python, ML frameworks, and cloud.
Technical Tools Mentioned:Python, PyTorch, TensorFlow, Pandas, NumPy, SQL, FastAPI, Flask, GCP, MLflow, REST APIs
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Job Description
Requisition ID 122250 - Posted 


Job Summary

Key Responsibilities

  • 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 governance

Experience working in regulated or enterprise environments

Key Responsibilities

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Skill Requirements

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Other Requirements

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