LLM Engineer / GenAI Engineer Jobs in Chennai AI and ML Company

⚡ Hiring Now
🏫 Artificial Intelligence and Machine Learning  •  📍 Chennai, Tamil Nadu
💵 ₹57,000 - ₹1,37,000 / Month
1 - 5 Years
🎓 B.E./M.Sc. CS with LLM fine-tuning, RAG architectures, and prompt engineering
📅 Full Time
📍 Chennai, Tamil Nadu
📅 Posted: 2026-07-08 🕑 Valid Till: 2026-08-08T00:00 🔑 Job ID: JZ-AIM-LLMGENAI-726

🏫 Chennai AI and ML Company Employment Zones

Chennai's private AI and ML companies build machine learning models, NLP systems, and intelligent automation for enterprise clients from offices in Guindy and Ambattur MIDC, employing Tamil-speaking ML engineers, data scientists, and AI product managers.

AI and ML Company employment zones in Chennai include Guindy, Ambattur MIDC, Sholinganallur, Anna Nagar, Nungambakkam, T. Nagar, Adyar, Velachery, Taramani, and Perungudi.

Guindy Ambattur MIDC Sholinganallur Anna Nagar Nungambakkam T. Nagar Adyar Velachery Taramani Perungudi

📋 Job Description

Jobzi is sourcing qualified candidates for LLM Engineer / GenAI Engineer positions in Chennai's private AI and ML Company sector. This is a full-time opportunity with a reputed Artificial Intelligence and Machine Learning employer in Chennai offering competitive salary, structured growth, and a professional work environment. Tamil communication skills are preferred alongside English for professional and business interaction in Chennai.

📌 Key Responsibilities

  • Design and implement RAG pipelines integrating vector databases with large language model inference
  • Fine-tune open-source LLMs using parameter-efficient techniques such as LoRA and QLoRA
  • Engineer, evaluate, and iterate on prompt templates for accuracy, safety, and consistency
  • Build LLM-powered application features including chatbots, document Q-and-A, and summarisation tools
  • Integrate LLM APIs and local inference endpoints into backend product services
  • Implement LLMOps workflows for model versioning, evaluation, and continuous improvement
  • Evaluate LLM outputs for hallucination, factuality, relevance, and safety criteria

🎓 Qualifications and Requirements

  • B.E. or M.Sc. in Computer Science with 1 to 5 years of LLM or GenAI engineering experience
  • Hands-on experience building RAG pipelines using vector stores such as Pinecone, Weaviate, or FAISS
  • Practical experience fine-tuning LLMs using LoRA, QLoRA, or instruction-tuning approaches
  • Strong prompt engineering skills with chain-of-thought, few-shot, and structured output techniques
  • Familiarity with LLM orchestration frameworks such as LangChain or LlamaIndex
  • Understanding of LLM evaluation metrics and hallucination mitigation strategies
  • Good Python software engineering practices and experience with REST API development
  • Good Tamil and English communication skills for team coordination and client interaction in Chennai.

✅ Required Skills

LLM Fine-Tuning RAG LangChain Prompt Engineering Vector Databases LLM APIs Python LLMOps

🏆 Certifications and Qualifications

M.Sc./Ph.D. in Computer Science, Mathematics, or Statistics for research roles; B.E. CS with deep learning frameworks (TensorFlow, PyTorch) for ML engineer roles; AWS Machine Learning Specialty or cloud provider Professional Machine Learning Engineer certifications for cloud ML roles; Coursera Deep Learning Specialization (Andrew Ng) widely recognised; Hugging Face certifications for LLM roles; Databricks ML Professional for MLOps roles; NVIDIA Deep Learning Institute certifications for GPU computing and inference optimisation roles

Frequently Asked Questions

What types of AI and ML company jobs are available in Chennai?

Chennai's AI and ML sector offers a wide range of roles including machine learning engineer, NLP engineer, computer vision engineer, MLOps engineer, AI research scientist, LLM engineer, AI product manager, and AI solutions architect positions. Private AI product companies, generative AI service firms, and enterprise AI labs in the city hire across all experience levels from fresh graduates to senior leadership, making Chennai one of South India's fastest-growing AI employment hubs.

Which areas in Chennai have the most AI and ML company job openings?

The OMR corridor, Sholinganallur, Perungudi, Taramani, and Tidel Park are the primary hubs for AI and ML company hiring in Chennai. Guindy, Velachery, Ambattur, Nungambakkam, and Anna Nagar also have significant concentrations of AI product startups and enterprise AI divisions. Most AI companies in these zones offer flexible or hybrid work policies, and the proximity to engineering colleges supports active fresher hiring throughout the year.

What skills are most in demand for AI and ML company jobs in Chennai?

Python programming, PyTorch, TensorFlow, scikit-learn, and SQL form the core technical baseline for most AI and ML roles in Chennai. Large language model experience including prompt engineering, RAG pipelines, and LLM fine-tuning is increasingly demanded. MLOps skills such as MLflow, Kubeflow, Docker, and Kubernetes are critical for deployment roles. For research and senior roles, published work, deep mathematics, and experience with transformer architectures and GPU-based training significantly strengthen a candidate's profile.

What does an LLM engineer do at a Chennai AI company?

LLM engineers at Chennai AI companies build and maintain generative AI-powered product features. This includes designing RAG pipelines that connect knowledge bases to LLM inference, fine-tuning open-source models for domain-specific tasks, engineering and iterating on prompts, integrating LLM APIs into backend services, and evaluating model outputs for accuracy and safety. Many also work on LLMOps workflows including model versioning, A/B testing of prompts, and cost optimisation for inference.

Which LLMs and frameworks are most used in Chennai AI companies?

Chennai AI companies commonly work with open-source models from the LLaMA family, Mistral, and Phi series for fine-tuning and local deployment, alongside API-based models for higher-complexity tasks. LangChain and LlamaIndex are the dominant orchestration frameworks. Vector databases such as Pinecone, Weaviate, Qdrant, and FAISS are widely used for RAG. Hugging Face Transformers and PEFT libraries are standard for fine-tuning workflows.

How is the demand for GenAI engineers growing in Chennai?

Demand for GenAI and LLM engineers in Chennai has seen some of the fastest growth of any technical role in the city's AI sector through 2025 and into 2026. Nearly every AI product company and enterprise AI team is building or expanding generative AI features, creating sustained demand that significantly outpaces available experienced engineers. Even engineers with one to two years of practical LLM application experience are receiving competitive offers in Chennai's current market.

What is the salary for LLM Engineer / GenAI Engineer in Chennai AI and ML Company in

A LLM Engineer / GenAI Engineer in Chennai earns between Rs.57,000 and Rs.1,37,000 per month in July 2026, depending on experience, skills, and employer.

What experience is required for LLM Engineer / GenAI Engineer jobs in

1 - 5 Years of relevant experience is typically required for LLM Engineer / GenAI Engineer positions in Chennai's private AI and ML Company sector.

வேலை விவரம் - தமிழில்

Chennai-ல் LLM Engineer / GenAI Engineer வேலைவாய்ப்பு. மாத சம்பளம் ரூ.57,000 முதல் ரூ.1,37,000 வரை. 1 - 5 Years અனுபவம் தேவை. AI and ML Company-ல் Full Time பணி. ஆர்வமுள்ளவர்கள் Jobzi மூலம் விண்ணப்பிக்கலாம்.