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