Senior Backend Developer

About the role

EPAM is seeking a Senior Backend Developer to join its AI Pods team. You will design and deliver reliable, AI‑powered API services that enable large language models to interact with internal systems, vector databases, and external tools in a secure, scalable environment.

Key responsibilities

• Architect and develop backend API services together with LLM orchestration layers.
• Build and maintain Retrieval‑Augmented Generation (RAG) pipelines, including document ingestion, chunking, embedding, and retrieval optimization.
• Create agent tools using LangChain, LangGraph, and potentially the Model Context Protocol (MCP).
• Ensure security, privacy, enterprise‑grade observability, and comprehensive test coverage across all workflows.
• Shape architecture decisions and engineering standards within the pod.
• Collaborate with frontend, data, and infrastructure teams, owning API contracts and service reliability.
• Deliver reusable orchestration frameworks for downstream developers.

Required profile

• 3+ years of backend engineering experience focused on microservices and distributed systems.
• 2+ years of Python development for high‑performance, cloud‑native APIs.
• Proficiency in AWS, Docker, and ECS/EKS environments.
• Upper‑intermediate English (B2) communication skills.

Required skills

• Python
• AWS (ECS, EKS, IAM, CIAM)
• Docker
• RESTful API development
• LangChain, LangGraph, Model Context Protocol (MCP)
• Vector stores such as Amazon Kendra and OpenSearch
• Embedding and retrieval strategies
• AI SDKs (OpenAI, Anthropic/Claude, AWS Bedrock)
• React and TypeScript (for full‑stack collaboration)
• Large‑scale EKS deployments
• Secure coding practices, auth/authz fundamentals

What we offer

• International projects with top brands
• Global, diverse teams
• Healthcare benefits and employee financial programs
• Paid time off, sick leave, and upskilling opportunities
• Unlimited access to LinkedIn Learning (22,000+ courses)
• Global career mobility and volunteer programs