Senior AI Engineer — GenAI, RAG & Multi-Agent Systems

Big Entities; Lahore; On-site; PKR 900,000 - 1,500,000; Full time

Job summary

Big Entities in Lahore (DHA Phase 3) seeks an Agentic Sales Development Representative to design and implement LLM-powered RAG systems and AI agents for enterprise insurance workflows. You will build agentic workflows using LangGraph/LangChain and integrate with vector databases, SQL, APIs, and internal apps.

You will develop production-grade GenAI applications, implement security controls, and drive continuous improvement through monitoring, evaluation, and guardrails.

Qualifications

• Strong Python and backend development experience.
• Hands-on experience with LLMs, RAG, vector databases, and AI agents.
• Experience with tool calling, function calling, and multi-agent systems.
• Knowledge of SQL/NoSQL databases and API integrations.
• Experience with cloud platforms such as Azure/AWS/GCP.
• Experience building production-grade GenAI applications.

Responsibilities

• Design and develop LLM-powered RAG systems using enterprise documents to build searchable knowledge bases.
• Build AI agents capable of analyzing submissions and identifying required actions, missing information, and relevant documents.
• Develop agentic workflows using LLM tool/function calling and frameworks like LangGraph, LangChain, and LlamaIndex.
• Build tools for agents to interact with vector databases, SQL/enterprise databases, APIs, web search, and internal applications.
• Develop multi-agent systems where agents communicate, delegate tasks, and collaborate.
• Implement document ingestion, chunking, embeddings, vector search, and hybrid search with reranking.
• Integrate and work with commercial/open-source LLMs and embedding models.
• Develop natural-language database querying / Text-to-SQL with security controls.
• Build feedback and evaluation mechanisms for continuous improvement of the AI system.
• Implement monitoring, logging, evaluation, and AI security/guardrails.
• Deploy and integrate AI services with existing enterprise applications and databases.

Skills

Python

Backend development

LLMs & RAG

Agent orchestration

SQL & API integration

Cloud platforms

Production GenAI apps

Insurance workflows familiarity

Tools

LangGraph

LangChain

LlamaIndex

Semantic Kernel

Job description

Big Entities in Lahore (DHA Phase 3) seeks an Agentic Sales Development Representative to design and implement LLM-powered RAG systems and AI agents for enterprise insurance workflows. You will build agentic workflows using LangGraph/LangChain and integrate with vector databases, SQL, APIs, and internal apps.

You will develop production-grade GenAI applications, implement security controls, and drive continuous improvement through monitoring, evaluation, and guardrails.