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EXL

Lead AI Data Engineer

EXL

Lead AI Data Engineer architecting enterprise-grade LLM solutions at scale. Overseeing GenAI initiatives, mentoring junior talent, and driving technical direction.

Posted 6/25/2026full-timeGurugram • 🇮🇳 IndiaSeniorWebsite

Tech Stack

Tools & technologies
AWSAzureCloudETLFlaskGoogle Cloud PlatformPySparkPythonSQL

About the role

Key responsibilities & impact
  • Architect enterprise-grade agentic and LLM solutions (single-agent, multi-agent, tool-driven workflows)
  • Define scalable GenAI system design patterns (RAG, orchestration layers, evaluation frameworks)
  • Act as the technical anchor for GenAI initiatives across projects
  • Drive design reviews, architecture governance, and best practices
  • Design and build agentic systems using LLMs for use cases such as: Knowledge assistants, Document automation & intelligence, Workflow orchestration
  • Implement advanced prompt engineering strategies, prompt orchestration, and reasoning chains
  • Build tool-calling / function-calling frameworks for agent workflows
  • Lead end-to-end implementation of RAG pipelines: Data ingestion → chunking → embeddings → vector indexing → retrieval → response generation
  • Optimise retrieval quality (recall, relevance, grounding)
  • Evaluate and benchmark different architectures
  • Develop production-grade APIs/services (FastAPI, Flask, etc.)
  • Drive code quality, testing standards, and reusable architecture components
  • Ensure solutions are performance optimised (latency, cost, reliability)
  • Implement LLM guardrails: Hallucination control, Safety filters, Policy enforcement
  • Define evaluation frameworks: Response quality metrics, RAG benchmarking, Human-in-the-loop validation
  • Partner with Data Engineering → pipelines, data quality, governance; MLOps → deployment, CI/CD, monitoring; Business/Product → use-case alignment
  • Drive end-to-end delivery ownership across multiple projects
  • Mentor and guide junior engineers and project teams
  • Conduct technical reviews, solution walkthroughs, and code reviews
  • Support pre-sales / RFPs / solution proposals with architecture inputs
  • Drive reusable accelerators, frameworks, and COE assets
  • Stay ahead of industry evolution and help shape EXL’s GenAI strategy
  • Influence technology choice, design decisions, and roadmap planning.

Requirements

What you’ll need
  • 9–12 years total experience
  • 2–4+ years hands-on in LLM / GenAI delivery (production use cases)
  • Strong hands-on experience with LLMs (Claude, OpenAI, etc.)
  • RAG pipelines and retrieval optimisation experience
  • GPT + Agentic AI implementation experience
  • Experience with LangChain, LangGraph, or similar frameworks
  • Deep understanding of LLM limitations, evaluation, and optimisation strategies
  • Strong Python/Pyspark engineering expertise
  • Deep data analysis experience and handling large volume of data
  • Fabric/Azure Databricks/Snowflake data engineering integration skills
  • Good exposure to cloud platforms (Azure/AWS/GCP), SQL, Containers, CI/CD, monitoring
  • Prior experience in Data Engineering (ETL/ELT, pipelines, orchestration) or Data Science / ML lifecycle (especially NLP) or Analytics engineering / data products
  • Experience leading solution design or small teams
  • Ability to translate business problems into AI solutions
  • Strong stakeholder communication and influencing skills

Benefits

Comp & perks
  • Health insurance
  • 401(k) matching
  • Flexible work hours
  • Paid time off
  • Professional development opportunities

ATS Keywords

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Hard Skills & Tools
LLMGenAIRAG pipelinesprompt engineeringFastAPIFlaskPythonPysparkdata analysisdata engineering
Soft Skills
mentoringstakeholder communicationinfluencingend-to-end delivery ownershiptechnical reviewssolution walkthroughscode reviewsdesign governanceteam leadershipbusiness problem translation