LangChain Developer

KDCI Outsourcing; Pasig; On-site; PHP 1,200,000 - 1,800,000; Full time

Job summary

KDCI Outsourcing is seeking a LangChain Developer to build LLM-powered applications. You will design chains, agents, retrieval pipelines, and integrations to deliver intelligent product features using LangChain.

The ideal candidate has 2+ years in software development with hands-on LangChain experience, strong Python skills, and familiarity with LLM APIs and vector databases such as Pinecone or Weaviate. Prior NLP or conversational AI exposure is a plus.

Qualifications

• 2+ years of experience in software development with LangChain experience.
• Strong Python programming skills.
• Experience with LLM APIs (OpenAI, Anthropic, or open-source).
• Familiarity with vector databases (Pinecone, Weaviate, Chroma).
• Understanding of prompt engineering and RAG architecture.

Responsibilities

• Design and build applications using the LangChain framework (or LangGraph).
• Develop chains, agents, and tool integrations for LLM-powered workflows.
• Build retrieval-augmented generation (RAG) pipelines with vector databases.
• Test and optimize prompt chains for accuracy and performance.
• Integrate LangChain applications with back-end systems and APIs.
• Stay current with updates to the LangChain ecosystem.

Skills

LangChain

Python

LLM APIs

Vector databases

Prompt engineering

Software development

Job description

Role Summary

KDCI Outsourcing is looking for a LangChain Developer to build LLM-powered applications using the LangChain framework. You'll design chains, agents, and retrieval pipelines that power intelligent product features.

Key Responsibilities

• Design and build applications using the LangChain (or LangGraph) framework
• Develop chains, agents, and tool integrations for LLM-powered workflows
• Build retrieval-augmented generation (RAG) pipelines with vector databases
• Test and optimize prompt chains for accuracy and performance
• Integrate LangChain applications with back-end systems and APIs
• Stay current with updates to the LangChain ecosystem

Requirements

• 2+ years of experience in software development, with hands-on LangChain experience
• Strong Python skills
• Experience with LLM APIs (OpenAI, Anthropic, or open-source models)
• Familiarity with vector databases (Pinecone, Weaviate, Chroma, etc.)
• Understanding of prompt engineering and RAG architecture

Nice-to-Haves

• Experience with LangGraph or multi-agent orchestration
• Familiarity with LlamaIndex or similar frameworks
• Background in NLP or conversational AI