Sr Tech Lead-GenAI - VectorDBand PostgreSQL
India
Job Description
Sr Tech Lead-GenAI - VectorDBand PostgreSQL
Chennai, Tamil Nadu

Job Summary

We are hiring a Lead AI/ML Developer – GenAI & Agentic AI to design and deliver enterprise-scale AI solutions, including LLM-powered applications, RAG pipelines, and autonomous AI agents.
The role requires strong expertise in Machine Learning, Generative AI, and agentic frameworks such as LangChain, LangGraph, and MCP, with a focus on building context-aware, tool-integrated, and multi-step intelligent systems.

Key Responsibilities

  • Design and develop AI/ML and Generative AI solutions for enterprise use cases
  • Build LLM-based applications, RAG pipelines, and AI copilots
  • Develop Agentic AI systems including autonomous and multi-agent workflows
  • Implement LangChain-based pipelines for LLM orchestration and tool integration
  • Use LangGraph for stateful, multi-step reasoning workflows
  • Design context-aware systems using MCP or similar orchestration frameworks
  • Develop embedding pipelines and integrate vector databases
  • Deploy models and AI systems using MLOps / LLMOps practices
  • Integrate AI solutions with enterprise APIs, tools, and data platforms
  • Optimize models and workflows for performance, scalability, and accuracy
  • Collaborate with stakeholders to translate business needs into AI solutions
  • Mentor teams and drive AI engineering best practices and reusable frame

Skill Requirements

  • Strong programming expertise in Python with solid engineering fundamentals
  • Hands-on experience in ML/DL (PyTorch, TensorFlow, Scikit-learn)
  • Strong knowledge of Generative AI, LLMs, and prompt engineering
  • Experience building RAG architectures and semantic retrieval systems
  • Expertise in LangChain for LLM pipelines and integrations
  • Hands-on with LangGraph for agent workflows and orchestration
  • Familiarity with MCP or similar tool/context orchestration frameworks
  • Experience with vector databases, embeddings, and similarity search
  • Working knowledge of Azure AI / AWS / GCP platforms
  • Experience in MLOps tools (MLflow, Docker, Kubernetes, CI/CD)
  • Strong understanding of API integration and microservices architecture
  • Ability to design scalable agent-based and enterprise AI systems

Other Requirements

Good to Have

  • Microsoft Azure AI Engineer / Azure Data Scientist 
  • AWS Machine Learning Specialty or Google ML Engineer
  • Databricks or equivalent AI/ML certifications (optional)
  • Strong communication
Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 226,300 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending December 2025 totaled $14.5 billion.

23 Benefits At HCLTech, we believe in empowering our employees with comprehensive benefits that support their professional growth and enhance their well-being. When you sign up for a career with us, you gain access to: https://rmkcdn.successfactors.com/147eb21f/a701dca9-f32d-4fc9-9447-6.svg Industry-benchmarked compensation https://rmkcdn.successfactors.com/147eb21f/b0c54381-ddcc-4a33-9b35-9.svg Best-in-class healthcare benefits https://rmkcdn.successfactors.com/147eb21f/b73027be-7aae-4d36-a090-4.svg Personal time off https://rmkcdn.successfactors.com/147eb21f/d5b4fdfd-2e99-4e26-9878-9.svg Maternity and paternity benefits https://rmkcdn.successfactors.com/147eb21f/3d42b0fc-4652-435a-9ece-c.svg Access to skills / higher education programs/resources https://rmkcdn.successfactors.com/147eb21f/aeddeaf2-9e25-4584-ad11-d.svg Discounts on products and services via Benefit Box https://rmkcdn.successfactors.com/147eb21f/a9609a3b-2700-4b3c-9d90-a.svg Participate in CSR programs and live life with a purpose https://rmkcdn.successfactors.com/147eb21f/c6e33851-710f-4634-bd69-f.svg Opportunities to grow and advance your career Note: The benefits listed above vary depending on the nature of your employment and the country where you work. Some benefits may be available in some countries but not in all.