Langchain Engineer

Epsilon ASI is seeking a mid-to-senior LangChain Engineer to join an AI engineering team building production-grade applications powered by large language models. The role focuses on designing, developing, deploying, and optimizing AI-powered applications, agentic workflows, backend services, and APIs using Python, LangChain, and major cloud platforms.

Responsibilities:

• Design and develop production-grade AI/LLM applications using LangChain and related frameworks
• Build and integrate LLM-powered workflows, agents, and applications
• Develop scalable backend services and APIs using Python
• Integrate LLMs with external data sources, APIs, tools, and enterprise systems
• Develop solutions involving prompt engineering, retrieval-augmented generation (RAG), tool calling, and AI agents
• Deploy and maintain AI applications within a major cloud environment
• Collaborate with engineers, product stakeholders, and clients to translate business requirements into technical solutions
• Evaluate emerging AI/LLM technologies and identify opportunities to improve existing solutions
• Write clean, maintainable, well-tested code suitable for production environments
• Troubleshoot, optimize, and improve the performance, reliability, and scalability of AI applications