Lead Python Developer

EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.
We're seeking a Lead Python Developer bringing substantial, practical experience to strengthen our engineering team. This position provides an opportunity to contribute to cutting-edge initiatives that advance the frontiers of contemporary software development. You'll partner with a skilled team of individuals who prioritize strong technical execution alongside inventive approaches to problem-solving. For those enthusiastic about crafting resilient, future-ready systems and eager to advance within an energetic team environment, this is a fitting opportunity.
Responsibilities
Design backend API infrastructure and orchestration frameworks that enable integration with large language models
Develop and maintain advanced Retrieval-Augmented Generation (RAG) workflows, spanning document processing, text segmentation, embedding creation, and refined retrieval mechanisms
Construct and interconnect agent-driven tooling through frameworks like LangChain and LangGraph, incorporating Model Context Protocol (MCP) as appropriate
Uphold strong security protocols, data confidentiality, enterprise-grade system visibility, and thorough testing across backend operations
Take an active part in influencing architectural direction and establishing technical standards across the engineering group
Partner with frontend engineers, data engineering colleagues, and infrastructure teams to deliver unified, well-integrated solutions
Requirements
At least five years of hands-on backend engineering work centered on microservices architecture and distributed system principles
A year or more spent overseeing and directing development teams
Proven capability using Python to construct high-performance backend systems and cloud-native APIs
Experience building solutions leveraging Generative AI capabilities
Applied know-how using LangChain to develop language model-based applications
Familiarity with AWS, Docker, container management platforms including ECS/EKS, and designing RESTful APIs
Strong grounding in secure coding approaches paired with solid authentication and authorization expertise
Sufficient communication ability with English proficiency at B2 level or higher, supporting accurate interpretation of business requirements and their conversion into agent-driven technical designs
Nice to have
Practical exposure to agent-oriented frameworks including LangChain, LlamaIndex, or LangGraph
Understanding of Model Context Protocol (MCP) for enabling consistent context exchange across AI systems
Ease working with frontend tools, specifically React and TypeScript
Background applying Terraform for managing and provisioning infrastructure
Hands-on familiarity with RAG pipeline elements, such as vector databases like Amazon Kendra or OpenSearch, plus embedding methods and retrieval system architecture
History of building new or modernizing existing large-scale, intricate technical systems
We offer
International projects with top brands
Work with global teams of highly skilled, diverse peers
Healthcare benefits
Employee financial programs
Paid time off and sick leave
Upskilling, reskilling and certification courses
Unlimited access to the LinkedIn Learning library and 22,000+ courses
Global career opportunities
Volunteer and community involvement opportunities
EPAM Employee Groups
Award-winning culture recognized by Glassdoor, Newsweek and LinkedIn
EPAM is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, sexual orientation, gender identity or expression, disability, protected veteran status, or any other characteristic protected by applicable law.

Work arrangement
Yes