LangChain and Python Developer – Singapore

Pan Asia Group

📍 Singapore, Singapore, Singapore

Full-time IT Management & IT Project Management Posted March 03, 2026

Job Description

A LangChain and Python Developer specializes in building applications leveraging Large Language Models (LLMs) and the LangChain framework. This role focuses on developing, optimizing, and deploying sophisticated RAG (Retrieval-Augmented Generation) systems and generative AI applications.

Key Responsibilities

  • LLM Application Development: Design and implement end-to-end applications using Python and the LangChain framework to orchestrate complex LLM calls, agents, chains, and custom tools.
  • RAG System Engineering: Develop and optimize data pipelines for ingestion, chunking, embedding generation, and vector database indexing to improve RAG performance and context relevance.
  • Model Tuning: Work with various LLMs (e.g., OpenAI, Claude, Llama) and implement prompt engineering techniques and fine-tuning strategies to achieve desired application behavior.
  • Deployment and Scalability: Deploy and maintain LLM applications in a production e...