Lead Python Developer (AI, LLM)

Epam

📍 Kyiv, Kyiv, Ukraine 💼 Full-time 🕒 Posted July 22, 2026

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Job Description

We are seeking a highly skilled Lead Python Developer to spearhead the implementation of a sophisticated chatbot using LangChain or LlamaIndex, with a strong emphasis on leveraging Large Language Models (LLMs) and Retrieval-Augmented Generation (RAG).
The ideal candidate will have extensive experience in Python and a deep understanding of tools, embedding strategies, semantic search, vector search, and vector databases. Additionally, the role involves working on various spikes, POCs, and research-oriented tasks.
Чим ви будете займатися у цій роліLead the development of chatbot solutions using LangChain or LlamaIndex with a focus on LLMs and RAG
Research and implement embedding strategies, semantic search, and vector search to enhance system performance
Design, develop, and maintain robust Python applications, ensuring adherence to best coding practices
Collaborate across teams to conduct spikes and build proof-of-concepts (PoCs) for innova...
            

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Job Details

Location Kyiv, Kyiv
Job Type Full-time
Category Computer Occupations
Posted Date July 22, 2026
Application Deadline August 31, 2026