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AI/ML Data Scientist, Assistant Vice President

Citi

Citi

Software Engineering, Data Science
Chennai, Tamil Nadu, India
Posted on Feb 4, 2026

We are seeking a highly skilled AI/ML Data Scientist with 8 years of experience to design and implement cutting-edge AI solutions. The ideal candidate will have strong expertise in developing LLM-based chatbots, Retrieval-Augmented Generation (RAG), text-to-SQL applications, and document processing workflows. Familiarity with state-of-the-art models such as GPT-4, Gemini, and open-source LLMs is essential.



Responsibilities:

  • Experience Level: 8 - 12 Years
  • AI/ML Model Development:
  • Design, fine-tune, and deploy LLMs (e.g., GPT-4, Gemini, and open-source models) for chatbot and NLP applications.
  • Implement Retrieval-Augmented Generation (RAG) for efficient information retrieval from large datasets.
  • Data Processing & Text-to-SQL:
  • Build text-to-SQL pipelines to enable natural language queries for structured databases.
  • Process structured and unstructured data for applications such as classification, extraction, and summarization.
  • Document Processing:
  • Automate document workflows, including ingestion, classification, and data extraction, using advanced AI techniques.
  • Python Development:
  • Write scalable and efficient Python code for data pipelines, ML models, and integration with production systems.
  • Model Deployment:
  • Deploy and monitor AI/ML models using MLOps best practices.
  • Optimize and refine deployed models based on feedback and performance metrics.
  • Collaboration:
  • Work closely with cross-functional teams, including data engineers and developers, to deliver business-aligned AI solutions.

Qualifications:

  • Strong proficiency in Python and ML libraries (e.g., TensorFlow, PyTorch, scikit-learn).
  • 8 years of hands-on experience in AI/ML, NLP, RAG, chatbot development, and LLM applications.
  • Expertise in working with LLMs and write Prompts to build LLM based applications (e.g., GPT-4, Gemini, Mixtral etc).
  • Hands-on experience with Retrieval-Augmented Generation (RAG) and vector databases.
  • Advanced skills in NLP techniques, text-to-SQL solutions, and document processing workflows.
  • Familiarity with cloud platforms (AWS, GCP, Azure) and containerization tools (Openshift, Kubernetes).
  • Knowledge of MLOps frameworks for model deployment and lifecycle management.

Education:

  • Bachelor’s degree/University degree or equivalent experience
  • Bachelor’s or Master’s in Computer Science, Data Science, AI, or a related field.



This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

Gen AI

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Job Family Group:

Technology

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Job Family:

Applications Development

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Time Type:

Full time

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

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