Senior Python Developer Job at Citi (Chennai)

Senior Python Developer

Citi

Location:
India , Chennai

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

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.

Job Responsibility:

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
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
Automate document workflows, including ingestion, classification, and data extraction, using advanced AI techniques
Write scalable and efficient Python code for data pipelines, ML models, and integration with production systems
Deploy and monitor AI/ML models using MLOps best practices
Optimize and refine deployed models based on feedback and performance metrics
Work closely with cross-functional teams, including data engineers and developers, to deliver business-aligned AI solutions

Requirements:

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
Bachelor’s or Master’s in Computer Science, Data Science, AI, or a related field

Additional Information:

Job Posted:
February 20, 2026

Employment Type:

Fulltime

Work Type:

Hybrid work

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