Lead Python Developer (AI, LLM)

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.

Responsibilities

• Lead 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 innovative AI functionalities
• Develop and integrate vector database solutions such as Pinecone, Faiss, or similar
• Optimize application performance, ensuring scalability and efficiency in AI-driven systems
• Implement error handling, logging mechanisms, and monitoring using OpenTelemetry
• Maintain and support the .NET components of the application, including MS Teams bot integrations and other services
• Conduct architectural reviews and provide technical leadership on AI-related initiatives
• Ensure compliance with software lifecycle processes, assisting with code reviews and testing frameworks

Requirements

• 5+ years of experience in Python programming, with a focus on developing complex applications
• 1+ years of leadership experience in relevant roles
• Deep understanding and hands-on experience with Large Language Models and Retrieval-Augmented Generation techniques
• Proven experience with LangChain or LlamaIndex for chatbot development
• Strong knowledge of embedding strategies, semantic search, and vector search methodologies
• Proficiency in working with vector databases such as Pinecone, Faiss, or similar
• Experience in implementing tracing and monitoring using OpenTelemetry
• Expertise in designing robust error-handling and logging mechanisms
• Commitment to writing clean, maintainable, and scalable code, with a strong understanding of software development best practices
• Residence in Ukraine (remote work is eligible only for candidates based in Ukraine)

Nice to have

• Knowledge of Microsoft Azure