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

We offer/Benefits

With us you can:

Work on a flexible schedule remotely or from any of our comfortable offices or coworking spaces in Ukraine
Receive the necessary equipment to perform your work tasks
Change projects and technology stacks within EPAM
Gain experience in various business domains (Insurance, E-commerce, Healthcare, Finance, Travelling, Media, Artificial Intelligence, and more)
Relocation opportunities may be available for eligible candidates, depending on the role and openings at other EPAM locations
Participate in volunteer, charity programs and communities (both technical and interest-based)

We focus on your professional growth:

You can plan your individual career path together with your manager
Receive regular feedback from colleagues
Improve 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 Clouds
Use the internal E-learn training program (18,200+ specialized training and mentoring programs)
Access corporate accounts on LinkedIn Learning, Get Abstract and other partner resources
Study at EPAM Solution Architecture School with the instructors who are practicing architects
Develop as a leader, join Delivery Management, Resource Management, Leadership Essentials school and more
Participate in internal communities (500+ meetups, technical discussions, brainstorming sessions, online events and conferences annually)

What we offer:

Vacation 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 rates
Company support during significant life events (childbirth or adoption, marriage, etc.)
Support for psychological comfort: discounts on services from mental health specialists or coaches, thematic training
E-kids program - a free programming language training program for EPAMers' children

Python.Web & 7 others