Senior Python Engineer, Madrid

Senior Python Engineer

Join Plexus Tech. We are currently looking for a Senior Python Architect/Developer to design and deploy architectures based on AI Agents and serverless solutions on AWS, ensuring the highest quality standards through advanced testing.

• AI Agent Development: Design and implement multi-agent systems using frameworks such as LangGraph, ADK, and OpenAI Agents SDK.
• AWS Architecture: Deploy and optimize solutions using services such as AWS Lambda, API Gateway, and Amazon Bedrock AgentCore.
• Quality Testing: Develop unit, integration, and end-to-end tests using Pytest.
• Mentorship: Participate in code reviews and guide junior/mid-level developers in backend and cloud best practices.

• Strong proficiency in Python (Senior level). Solid experience (5+ years) with modern Python (typing, asynchronous programming with asyncio).
• Testing DevOps: Test-first mindset with advanced experience in Pytest and mocking.
• Experience with CI/CD pipelines (GitHub Actions, GitLab CI).
• AI Agents (Specialized Plus ): Experience or knowledge of protocols such as MCP (Model Context Protocol) and A2A (Agent-to-Agent).

With our hybrid model, Flexology allows you to work where your talent flows best: from any of our 24 offices across Spain, from home, or combining both. The Plexus Tech work ecosystem fosters a collaborative environment across the company.

Work with top-tier professionals

Access to continuous learning and training

Career growth opportunities

Flexible compensation (health insurance, meal vouchers, childcare, transport)

Python, LangGraph, ADK, OpenAI Agents SDK, AWS Lambda, API Gateway,