At Madiff, we connect top IT talent with cutting-edge companies through remote Agile teams and nearshore outsourcing. With operations in Poland, Portugal, France, and the UK, we specialize in AI, DevOps, and Cybersecurity - supporting industries like Telecom, Banking, and Hi-Tech.Are you a hands-on Python engineer who enjoys building production-grade serverless components on Azure and orchestrating GenAI workflows end-to-end?Our client from the technology & digital innovation industry is looking for a Senior Python Developer (Azure Functions, GenAI - LangChain/LangGraph) to join a team delivering AI-driven backend services and cloud-native solutions.Key responsibilities Build and maintain production-ready Python services and cloud-native components with a strong focus on clean architecture, testing, and maintainability Design, implement, and run serverless workloads on Azure Functions, including triggers, bindings, deployments, monitoring, and operational ownership Develop GenAI-driven workflows using LangChain and/or LangGraph - prompt chaining, tool calling, orchestration logic, routing, fallback strategies, and integrations with external services Integrate LLM APIs (e.g., OpenAI, Anthropic) and ensure safe, reliable execution patterns (rate limits, retries, observability, error handling) Work with data stores and APIs, process structured and unstructured data, and package solutions using Docker and Git-based workflows Collaborate with DevOps, platform, and product stakeholders to ship scalable solutions aligned with security and compliance requirements What we are looking for 4+ years of strong hands-on Python development experience (software engineering level, not scripting) Practical, production experience with Azure Functions - building, deploying, operating, and troubleshooting serverless components Hands-on GenAI experience with LangChain and/or LangGraph, including real implementation of orchestration logic (workflows, chains/graphs, tool calling, integrations) Experience integrating LLM APIs (OpenAI/Anthropic or similar) and building reliable backend patterns around them Cloud-native mindset and experience working on Azure as a primary platform Strong communication skills and English at B2+ level What we offer Remote work model with flexible approach to collaboration Long-term cooperation with a stable and fast-growing international organization Work in a skilled, cross-functional team building next-generation AI solutions Professional development opportunities within high-impact AI and digital transformation projects