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Backend Engineer - AI Startup

Madiff

Role overview

Qualifications

  • 3+ years of experience in backend development (e.g., Node.js, Python, Go)
  • Strong knowledge of cloud platforms (AWS, GCP, or Azure)
  • Experience with API development and database design
  • Familiarity with AI/ML integration is a plus

Responsibilities

  • Design and build scalable backend systems to support AI workflows
  • Develop APIs for agent communication and third-party integrations
  • Implement the orchestrator that coordinates multiple AI agents
  • Ensure data security, compliance, and system reliability

Key facts

Hard skills

Other skills

  • Collaboration
  • Problem Solving
  • Reliability

About the company

Madiff logo

Madiff

  • IT Services & Consulting
  • 51–200
We are an international Innovation, IT and high-tech engineering consulting company that delivers unique value in a wide variety of industries. Our mission is to add value to our customers businesses by providing digital and technological innovation services, delivering disruptive results and making our clients stand out in their market. We are driven by a creative and innovative consulting approach strongly oriented to getting results. We MAKE THE DIFFERENCE. Poland | UK | Switzerland | USA | Norway | Portugal | Spain | France | Singapore Warsaw Prosta 20 Wrocław Rybacka 7 Lublin Grottgera 2
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Job description

This is a remote position.

We’re building a modular AI agent that will revolutionize an entire ecosystem. As our Backend Engineer, you’ll design and implement the infrastructure that powers our AI systems. You’ll work on APIs, orchestrators, and data pipelines to ensure seamless communication between agents and a reliable user experience.

Responsibilities:
​
  • Design and build scalable backend systems to support AI workflows.
  • Develop APIs for agent communication and third-party integrations 
  • Implement the orchestrator that coordinates multiple AI agents.
  • Ensure data security, compliance, and system reliability.
  • Collaborate with the AI/ML and frontend teams to deliver a cohesive product.


Requirements

  • 3+ years of experience in backend development (e.g., Node.js, Python, Go).
  • Strong knowledge of cloud platforms (AWS, GCP, or Azure).
  • Experience with API development and database design.
  • Familiarity with AI/ML integration is a plus.
  • Top engineering school from Poland  or Europe


Benefits

  • Solid, competitive salary
  • Work in multilingual, multinational and multicultural environment on international projects
  • Comprehensive healthcare
  • Long-term B2B contract with stable project pipeline
  • Fully remote model

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