Senior Technical Lead
India
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Job Description
Senior Technical Lead
| Noida, Uttar PradeshHyderabad, Telangana

Job Summary

offshore AI Backend Engineer with 5+ years of backend development experience and strong exposure to AI-enabled systems. The ideal candidate will combine solid Python FastAPI backend expertise with hands-on experience in AI/LLM integration, document intelligence, and Azure AI Search–based retrieval systems. This role focuses on building scalable, secure, and production-grade AI-powered APIs using modern cloud-native and event-driven architectures and Devops deployment.

Key Responsibilities

Key Responsibilities

Engineer backend services that integrate LLMs and AI workflows, including:

  • Prompt engineering and prompt versioning strategies
  • Chunking strategies for unstructured data (documents, PDFs, text)
  • Index design and retrieval optimization for AI search use cases
  • Support data labelling and curation workflows for AI model input and evaluation
  • Build intelligent document-processing pipelines using Azure Document Intelligence
  • Implement semantic and hybrid search using Azure AI Search
  • Experience , develop, and maintain scalable backend APIs using Python and FastAPI
  • Build RESTful and event-driven microservices following clean architecture and best practices
  • Implement authentication and authorization mechanisms (OAuth2, JWT, API keys, RBAC)
  • Build and manage CI/CD pipelines using Azure DevOps

 

  • Hands-on experience with Azure cloud services, especially:
  • Azure AI Search
  • Azure Document Intelligence
  • Azure Service Bus
  • Azure Storage
  • Experience with Kong API Gateway, Postman, and SQL databases
  • Strong understanding of authentication, authorization, and API security

 

Skill Requirements

Key Responsibilities

Engineer backend services that integrate LLMs and AI workflows, including:

  • Prompt engineering and prompt versioning strategies
  • Chunking strategies for unstructured data (documents, PDFs, text)
  • Index design and retrieval optimization for AI search use cases
  • Support data labelling and curation workflows for AI model input and evaluation
  • Build intelligent document-processing pipelines using Azure Document Intelligence
  • Implement semantic and hybrid search using Azure AI Search
  • Experience , develop, and maintain scalable backend APIs using Python and FastAPI
  • Build RESTful and event-driven microservices following clean architecture and best practices
  • Implement authentication and authorization mechanisms (OAuth2, JWT, API keys, RBAC)
  • Build and manage CI/CD pipelines using Azure DevOps

 

  • Hands-on experience with Azure cloud services, especially:
  • Azure AI Search
  • Azure Document Intelligence
  • Azure Service Bus
  • Azure Storage
  • Experience with Kong API Gateway, Postman, and SQL databases
  • Strong understanding of authentication, authorization, and API security

 

Other Requirements

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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.