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December 17, 2025

Backend developer

Mid • Remote

Warsaw, Poland

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 passionate about designing the backbone of next-generation AI systems?We’re looking for a Backend Engineer to help build a modular AI agent platform that’s set to transform an entire ecosystem. You’ll design APIs, orchestrators, and data pipelines that enable seamless communication between agents and deliver a reliable, scalable user experience.


Key responsibilities:

  • Design and build scalable backend systems to support AI-driven workflows

  • Develop APIs for agent communication and third-party integrations

  • Implement an orchestrator that coordinates multiple AI agents

  • Ensure data security, compliance, and system reliability

  • Collaborate closely with AI/ML and frontend teams to deliver cohesive, high-performing solutions


What we’re looking for:

  • 3+ years of experience in backend development (e.g., Node.js, Python, Go)

  • Strong knowledge of cloud platforms (AWS, GCP, or Azure)

  • Proven experience in API development and database design

  • Familiarity with AI/ML system integration is a strong plus


What we offer:

  • Fully remote work model

  • Long-term contract with a stable project pipeline

  • Work in a multilingual, multicultural environment on international projects

  • Comprehensive healthcare package