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Senior BE Software Engineer (MCP & AI Agents)

SNI sp. z o.o.

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Location:
Czech Republic , Prague

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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Job Description:

We are seeking a skilled Backend Software Engineer to build and maintain production-ready Model Context Protocol (MCP) servers that power our AI agent workflows. This role focuses on the Internal AI platform, requiring you to design distributed systems using Python, FastMCP, and Redis with enterprise-grade security.

Job Responsibility:

  • Build MCP Servers: Design, build, and maintain high-performance servers using the FastMCP framework, ensuring reliability and maintainability
  • REST API Design: Design and implement RESTful APIs with strict adherence to OpenAPI/Swagger standards, focusing on proper endpoint structure and error handling
  • Async Programming: Write clean, efficient Python code utilizing asyncio and httpx for non-blocking I/O operations
  • Orchestration Systems: Implement and extend agentic workflow orchestration systems, utilizing event-driven architectures and webhook integrations
  • State Management: Leverage Redis for distributed state persistence, caching strategies, and TTL-based data management
  • System Reliability: Troubleshoot and debug complex issues across the distributed system stack to ensure uptime and performance
  • Enterprise Security: Implement robust security features, including OAuth2 flows, Azure Entra ID (SSO) integration, and secure JWT token validation
  • Testing & QA: Build and maintain comprehensive test suites (unit, integration, and E2E) using pytest and pytest-asyncio
  • Containerization: Containerize applications using Docker and manage local/prod environments via docker-compose and Azure pipelines

Requirements:

  • Strong proficiency in Python with deep knowledge of async/await patterns
  • Solid experience with FastAPI and REST API design
  • Proven experience building MCP servers (critical requirement)
  • Hands-on experience with FastMCP framework
  • Proficiency with Relational Databases (SQL) and Key-Value stores (Redis)
  • Deep understanding of AuthN/AuthZ protocols
  • Experience with OAuth2, Azure Entra ID/SSO, and JWT token handling
  • Familiarity with Distributed Systems and Event-Driven Architecture
  • Experience with Docker and containerization principles
  • Strong problem-solving capabilities
  • Ability to work independently and communicate technical concepts clearly

Nice to have:

  • Orientation in the broader ecosystem of MCP applications and clients
  • Experience with AI/LLM agent frameworks such as LangGraph, LangChain, or Langfuse
  • Familiarity with Azure CI/CD pipelines and GitHub Actions
  • Knowledge of Datadog or similar platforms for logging and monitoring
  • Prior exposure to „Vibe” coding practices (AI-assisted iterative coding)

Additional Information:

Job Posted:
February 08, 2026

Work Type:
Remote work
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