Senior Python Engineer — MCP Protocol & Tool Integration

EPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.

• 5+ years of Python engineering experience with agent/AI systems
• Hands-on experience implementing MCP (Model Context Protocol) servers or clients in a production agentic AI project, such as tools/list and tools/call handling, AWS AgentCore Gateway target registration, or Lambda-as-tool / OpenAPI-to-MCP translation
• Experience building tool integrations for LLM agents, such as OpenAI functions, LangChain tools, or equivalent
• Proficiency in Python async programming, async HTTP services, and streaming protocols
• Expertise in AWS Lambda development
• Understanding of agent tool integration patterns, including function calling, tool schema definition, and parameter validation

Nice to have:

• Familiarity with MCP protocol implementation (server or client)
• Knowledge of LangChain / LangGraph tool integration
• Background in AWS Bedrock AgentCore Gateway target registration
• Skills in semantic tool indexing, including embedding generation for tool descriptions
• Experience with agent framework integration (Strands, Crew, AutoGPT)

• Implement MCP protocol servers and clients, including tools/list and tools/call handling
• Design and maintain agent tool integrations using function calling, tool schema definition, and parameter validation
• Build and register MCP target types such as Lambda functions as tools, remote MCP servers, and OpenAPI-to-MCP translation
• Develop async HTTP services and streaming responses for MCP server/client communication
• Manage tool metadata, including schema registration, capability tagging, and versioning
• Handle capability negotiation and Streamable HTTP transport within the MCP protocol
• Collaborate with engineering teams to standardize agent tool integration patterns across the platform
• Support AWS AgentCore Gateway target registration for agent tool connectivity

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