Lead AI Data Engineer

Reposted 8 Days Ago
Be an Early Applicant
Gurugram, Haryana, IND
Hybrid
Expert/Leader
Information Technology • Database • Consulting
The Role
Lead architecture and delivery of enterprise-grade LLM and agentic GenAI solutions: design RAG/retrieval pipelines, prompt engineering, tool-calling agents, production APIs, safety guardrails, evaluation frameworks, and mentor engineering teams while partnering with Data Engineering, MLOps, and Product to drive end-to-end delivery.
Summary Generated by Built In

Key Responsibilities

1. Solution Architecture & Technical Leadership

  • 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

2. Agentic AI & LLM Engineering

  • 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

3. RAG & Retrieval Systems

  • 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

4. Productisation & Engineering Excellence

  • 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)

5. Governance, Safety & Evaluation

  • Implement LLM guardrails
    • Hallucination control
    • Safety filters
    • Policy enforcement
  • Define evaluation frameworks
    • Response quality metrics
    • RAG benchmarking
    • Human-in-the-loop validation

6. Collaboration & Delivery Leadership

  • 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

7. Technical Leadership Responsibilities (Critical Addition)

  • 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
 

Must-Have Skills

Experience

  • 9–12 years total experience
  • 2–4+ years hands-on in LLM / GenAI delivery (production use cases)
 

LLM / GenAI & Agentic Engineering

  • Strong hands-on experience with:
    • LLMs (Claude, OpenAI, etc.)
    • RAG pipelines and retrieval optimisation
    • GPT + Agentic AI implementation experience
  • Experience with:
    • LangChain, LangGraph, or similar frameworks
    • Agent orchestration and tool-calling architectures
  • Deep understanding of:
    • LLM limitations, evaluation, and optimisation strategies
 

Core Engineering

  • Strong Python/Pyspark engineering expertise (production-grade development) with proven API integration experience
  • 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
 

Data / AI Foundations (Mandatory)

Prior experience in one or more:

  • Data Engineering (ETL/ELT, pipelines, orchestration)
  • Data Science / ML lifecycle (especially NLP)
  • Analytics engineering / data products
 

Leadership Capabilities

  • Experience leading solution design or small teams
  • Ability to translate business problems into AI solutions
  • Strong stakeholder communication and influencing skills
 

Good-to-Have / Preferred

  • Fine-tuning approaches: LoRA / PEFT / prompt tuning
  • Experience with Azure AI stack (Azure OpenAI, AI Search)
  • Exposure to: 
    • Enterprise security & data privacy in GenAI
    • Coding agents / autonomous agent frameworks
  • Experience in insurance / BFSI domains (valuable for EXL use cases)
Responsibilities

Key Responsibilities

1. Solution Architecture & Technical Leadership

  • 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

2. Agentic AI & LLM Engineering

  • 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

3. RAG & Retrieval Systems

  • 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

4. Productisation & Engineering Excellence

  • 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)

5. Governance, Safety & Evaluation

  • Implement LLM guardrails
    • Hallucination control
    • Safety filters
    • Policy enforcement
  • Define evaluation frameworks
    • Response quality metrics
    • RAG benchmarking
    • Human-in-the-loop validation

6. Collaboration & Delivery Leadership

  • 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

7. Technical Leadership Responsibilities (Critical Addition)

  • 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
 

Must-Have Skills

Experience

  • 9–12 years total experience
  • 2–4+ years hands-on in LLM / GenAI delivery (production use cases)
 

LLM / GenAI & Agentic Engineering

  • Strong hands-on experience with:
    • LLMs (Claude, OpenAI, etc.)
    • RAG pipelines and retrieval optimisation
    • GPT + Agentic AI implementation experience
  • Experience with:
    • LangChain, LangGraph, or similar frameworks
    • Agent orchestration and tool-calling architectures
  • Deep understanding of:
    • LLM limitations, evaluation, and optimisation strategies
 

Core Engineering

  • Strong Python/Pyspark engineering expertise (production-grade development) with proven API integration experience
  • 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
 

Data / AI Foundations (Mandatory)

Prior experience in one or more:

  • Data Engineering (ETL/ELT, pipelines, orchestration)
  • Data Science / ML lifecycle (especially NLP)
  • Analytics engineering / data products
 

Leadership Capabilities

  • Experience leading solution design or small teams
  • Ability to translate business problems into AI solutions
  • Strong stakeholder communication and influencing skills
 

Good-to-Have / Preferred

  • Fine-tuning approaches: LoRA / PEFT / prompt tuning
  • Experience with Azure AI stack (Azure OpenAI, AI Search)
  • Exposure to: 
    • Enterprise security & data privacy in GenAI
    • Coding agents / autonomous agent frameworks
  • Experience in insurance / BFSI domains (valuable for EXL use cases)
Qualifications

Key Responsibilities

1. Solution Architecture & Technical Leadership

  • 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

2. Agentic AI & LLM Engineering

  • 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

3. RAG & Retrieval Systems

  • 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

4. Productisation & Engineering Excellence

  • 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)

5. Governance, Safety & Evaluation

  • Implement LLM guardrails
    • Hallucination control
    • Safety filters
    • Policy enforcement
  • Define evaluation frameworks
    • Response quality metrics
    • RAG benchmarking
    • Human-in-the-loop validation

6. Collaboration & Delivery Leadership

  • 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

7. Technical Leadership Responsibilities (Critical Addition)

  • 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
 

Must-Have Skills

Experience

  • 9–12 years total experience
  • 2–4+ years hands-on in LLM / GenAI delivery (production use cases)
 

LLM / GenAI & Agentic Engineering

  • Strong hands-on experience with:
    • LLMs (Claude, OpenAI, etc.)
    • RAG pipelines and retrieval optimisation
    • GPT + Agentic AI implementation experience
  • Experience with:
    • LangChain, LangGraph, or similar frameworks
    • Agent orchestration and tool-calling architectures
  • Deep understanding of:
    • LLM limitations, evaluation, and optimisation strategies
 

Core Engineering

  • Strong Python/Pyspark engineering expertise (production-grade development) with proven API integration experience
  • 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
 

Data / AI Foundations (Mandatory)

Prior experience in one or more:

  • Data Engineering (ETL/ELT, pipelines, orchestration)
  • Data Science / ML lifecycle (especially NLP)
  • Analytics engineering / data products
 

Leadership Capabilities

  • Experience leading solution design or small teams
  • Ability to translate business problems into AI solutions
  • Strong stakeholder communication and influencing skills
 

Good-to-Have / Preferred

  • Fine-tuning approaches: LoRA / PEFT / prompt tuning
  • Experience with Azure AI stack (Azure OpenAI, AI Search)
  • Exposure to: 
    • Enterprise security & data privacy in GenAI
    • Coding agents / autonomous agent frameworks
  • Experience in insurance / BFSI domains (valuable for EXL use cases)
About Us
EXL (NASDAQ: EXLS) is a leading data analytics and digital operations and solutions company. We partner with clients using a data and AI-led approach to reinvent business models, drive better business outcomes and unlock growth with speed. EXL harnesses the power of data, analytics, AI, and deep industry knowledge to transform operations for the world’s leading corporations in industries including insurance, healthcare, banking and financial services, media and retail, among others. EXL was founded in 1999 with the core values of innovation, collaboration, excellence, integrity and respect. We are headquartered in New York and have more than 54,000 employees spanning six continents. For more information, visit www.exlservice.com.


EXL never requires or asks for fees/payments or credit card or bank details during any phase of the recruitment or hiring process and has not authorized any agencies or partners to collect any fee or payment from prospective candidates. EXL will only extend a job offer after a candidate has gone through a formal interview process with members of EXL’s Human Resources team, as well as our hiring managers.
About the TeamEXL is the indispensable partner for leading businesses in data-led industries such as insurance, banking and financial services, healthcare, retail and logistics. We bring a unique combination of data, advanced analytics, digital technology and industry expertise to help our clients turn data into insights, streamline operations, improve customer experience, and transform their business. Our partnerships with clients are built on a foundation of collaboration – and we’ve been chosen as a partner by nine of the top ten leading US insurance companies, nine of the top 20 global banks, and six of the top ten US health care payers. We function as one team to make your goals our goals, whether that’s unlocking the value of generative AI or embedding analytics into workflows that reduce risk or power your growth. Clients choose EXL as their transformation partner for many reasons. Our geographic diversity make talent all over the world instantly accessible. Digital accelerators enable unmatched speed-to-value, letting you realize results fast. It’s our people that truly set us apart, though, including the 1,500 data scientists we have dedicated to our generative AI practice. And our more than twenty years of experience in delivering business services, garnering stellar client references, and maintaining a solid balance sheet are reassuring to our C-suite clients. Find out for yourself why clients, employees, and analysts think we’re some of the best in the business. Contact us to see how we can help you achieve your goals.

Skills Required

  • 9-12 years total experience
  • 2-4+ years hands-on LLM / GenAI delivery (production use cases)
  • Hands-on experience with LLMs (Claude, OpenAI, GPT)
  • Experience designing and implementing RAG pipelines and retrieval optimisation
  • GPT and agentic AI implementation experience, including tool-calling frameworks
  • Experience with LangChain, LangGraph, or similar frameworks
  • Strong Python and PySpark engineering expertise with production-grade development
  • Proven API integration and development experience (FastAPI/Flask)
  • Deep data analysis experience and handling large volumes of data
  • Experience integrating Fabric / Azure Databricks / Snowflake
  • Exposure to cloud platforms (Azure, AWS, GCP)
  • SQL proficiency
  • Experience with containers, CI/CD and monitoring
  • Prior experience in one or more: Data Engineering, Data Science/ML lifecycle (NLP), or Analytics Engineering
  • Experience leading solution design or small teams and mentoring engineers
  • Ability to translate business problems into AI solutions and strong stakeholder communication
  • Fine-tuning approaches (LoRA / PEFT / prompt tuning)
  • Experience with Azure AI stack (Azure OpenAI, AI Search)
  • Exposure to enterprise security and data privacy in GenAI
  • Experience coding agents / autonomous agent frameworks
  • Experience in insurance / BFSI domains
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The Company
HQ: New York, NY
30,246 Employees
Year Founded: 1999

What We Do

Choosing a digital partner is about more than capabilities — it’s about collaboration and character. Unrealistic overhauls and off-the-shelf products ignore what matters most — your unique needs, culture, goals, and your legacy data and technology environments. At EXL, our collaboration is built on ongoing listening and learning to adapt our methodologies. We’re your business evolution partner—tailoring solutions that make the most of data to make better business decisions and drive more intelligence into your increasingly digital operations. Whether your goals are scaling the use of AI and digital, redesign operating models, or driving better and faster decisions, we’re here to partner with you to help you gain—and maintain—competitive advantage with efficient, sustainable models at scale. Our expertise in transformation, data science, and change management helps make your business more efficient and effective, improve customer relationships and enhance revenue growth. Instead of focusing on multi-year, resource- and time-intensive platform designs or migrations, we look deeper at your entire value chain to integrate strategies with impact. We use our specialization in analytics, digital interventions, and operations management—alongside deep industry expertise — to deliver solutions that help you outperform the competition. At EXL, it’s all about outcomes—your outcomes—and delivering success on your terms. Share your goals with us and together, we’ll optimize how you leverage data to drive your business forward. For more information, visit www.exlservice.com.

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