Lead Python Developer

We're on the lookout for a Lead Python Developer who brings deep, hands-on technical experience to enhance our engineering organization. This role presents a chance to work on forward-thinking projects that expand what's possible in modern software engineering. You'll join forces with a capable group of professionals who value both technical rigor and creative problem-solving approaches. This opportunity suits individuals passionate about developing durable, innovative systems and looking to grow within a lively, fast-moving team setting.
Responsibilities
Shape backend API architecture and orchestration systems that support connectivity with large language models
Build out and sustain sophisticated Retrieval-Augmented Generation (RAG) processes, including document handling, text chunking, embedding production, and enhanced retrieval methods
Develop and link together agent-based tools using frameworks such as LangChain and LangGraph, applying Model Context Protocol (MCP) where suitable
Maintain rigorous security standards, safeguard data privacy, ensure enterprise-level observability, and deliver comprehensive testing across all backend functions
Contribute directly to architectural decision-making and help define technical standards for the engineering team
Coordinate with frontend developers, data engineering staff, and infrastructure professionals to produce cohesive, integrated outcomes
Requirements
Five-plus years of practical experience in backend engineering, emphasizing microservices and distributed systems design
One or more years spent guiding and managing engineering teams
Solid track record leveraging Python for building high-performance backend infrastructure and cloud-native API solutions
Hands-on background developing applications built on Generative AI technology
Working experience with LangChain for creating applications driven by language models
Working knowledge spanning AWS, Docker, container orchestration solutions such as ECS/EKS, and RESTful API architecture
Firm understanding of secure development practices combined with strong authentication and authorization capabilities
Adequate English communication skills at B2 proficiency or above, supporting clear comprehension of business needs and their translation into agent-focused technical solutions
Nice to have
Hands-on background with agent-based frameworks such as LangChain, LlamaIndex, or LangGraph
Working knowledge of Model Context Protocol (MCP) supporting uniform context sharing among AI systems
Comfortable handling frontend technologies, particularly React and TypeScript
Experience utilizing Terraform to provision and manage infrastructure
Direct experience with RAG pipeline components, including vector database tools like Amazon Kendra or OpenSearch, along with embedding approaches and retrieval system building
Background either building fresh systems or updating existing large-scale, complex technical environments
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