LangChain Developer – Build LLM-Powered Applications

About the role

KDCI Outsourcing is seeking a LangChain Developer to create intelligent, LLM‑powered applications. You will work with cutting‑edge AI frameworks to design chains, agents, and retrieval pipelines that enhance product features.

Key responsibilities

• Design and develop applications using the LangChain (or LangGraph) framework.
• Build and integrate chains, agents, and tool connections for LLM‑driven workflows.
• Create retrieval‑augmented generation (RAG) pipelines leveraging vector databases.
• Test, tune, and optimize prompt chains for accuracy and performance.
• Integrate LangChain solutions with back‑end systems and external APIs.
• Stay up‑to‑date with the latest developments in the LangChain ecosystem.

Required profile

• Minimum 2 years of professional software development experience.
• Hands‑on experience with LangChain or similar LLM orchestration tools.
• Strong background in Python programming.
• Familiarity with LLM APIs such as OpenAI, Anthropic, or open‑source models.
• Understanding of prompt engineering, RAG architecture, and vector database concepts.

Required skills

• Python
• LangChain
• LangGraph (optional but preferred)
• OpenAI API / Anthropic API
• Vector databases (e.g., Pinecone, Weaviate, Chroma)
• Prompt engineering
• Retrieval‑augmented generation (RAG)
• LlamaIndex (nice‑to‑have)