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.The remote option applies only to the Candidates who will be working from any location in Ukraine.ResponsibilitiesLead the development of chatbot solutions using LangChain or LlamaIndex with a focus on LLMs and RAGResearch and implement embedding strategies, semantic search, and vector search to enhance system performanceDesign, develop, and maintain robust Python applications, ensuring adherence to best coding practicesCollaborate across teams to conduct spikes and build proof-of-concepts (PoCs) for innovative AI functionalitiesDevelop and integrate vector database solutions such as Pinecone, Faiss, or similarOptimize application performance, ensuring scalability and efficiency in AI-driven systemsImplement error handling, logging mechanisms, and monitoring using OpenTelemetryMaintain and support the .NET components of the application, including MS Teams bot integrations and other servicesConduct architectural reviews and provide technical leadership on AI-related initiativesEnsure compliance with software lifecycle processes, assisting with code reviews and testing frameworksRequirements5+ years of experience in Python programming, with a focus on developing complex applications1+ years of leadership experience in relevant rolesDeep understanding and hands-on experience with Large Language Models and Retrieval-Augmented Generation techniquesProven experience with LangChain or LlamaIndex for chatbot developmentStrong knowledge of embedding strategies, semantic search, and vector search methodologiesProficiency in working with vector databases such as Pinecone, Faiss, or similarExperience in implementing tracing and monitoring using OpenTelemetryExpertise in designing robust error-handling and logging mechanismsCommitment to writing clean, maintainable, and scalable code, with a strong understanding of software development best practicesResidence in Ukraine (remote work is eligible only for candidates based in Ukraine)Nice to haveKnowledge of Microsoft AzureWe offer/BenefitsWITH US YOU CANWork on a flexible schedule remotely or from any of our comfortable offices or coworking spaces in UkraineReceive the necessary equipment to perform your work tasksChange projects and technology stacks within EPAMGain experience in various business domains (Insurance, E-commerce, Healthcare, Finance, Travelling, Media, Artificial Intelligence, and more)Consider relocation options in over 30 countries worldwideParticipate in volunteer, charity programs and communities (both technical and interest-based) WE FOCUS ON YOUR PROFESSIONAL GROWTHYou can plan your individual career path together with your manager.Receive regular feedback from colleaguesImprove your English for free with certified teachers (Speaking Clubs, client interview preparation courses, etc.)Get the opportunity to undergo free training and certification in AWS, GCP, or Azure CloudsUse the internal E-learn training program (18,200+ specialized training and mentoring programs)Access corporate accounts on LinkedIn Learning, Get Abstract and other partner resourcesStudy at EPAM Solution Architecture School with the instructors who are practicing architectsDevelop as a leader, join Delivery Management, Resource Management, Leadership Essentials school and moreParticipate in internal communities (500+ meetups, technical discussions, brainstorming sessions, online events and conferences annually) WHAT WE OFFERVacation and sick leave (including a sick leave without a medical certificate)A wide range of Voluntary Medical Insurance programs providing both medical treatment and various preventive options (including sports activities)Medical insurance for family members at corporate ratesCompany support during significant life events (childbirth or adoption, marriage, etc.)Support for psychological comfort: discounts on services from mental health specialists or coaches, thematic trainingE-kids program - a free programming language training program for EPAMers' childrenEPAM strives to provide its global team of over 52,800+ professionals in more than 55 countries with opportunities for professional growth from day one of collaboration. Our colleagues are the source of EPAM's success, so we value cooperation, strive to always understand our clients' business and aim for the highest quality standards. No matter where you are, you will join a dedicated, diverse community that will help you realize your potential to the fullest.Why Choose Us
