Backend & Integration Engineer (m/f/d)

Freelance/Contracting project
Essen
Start date: 05/26
Reference number: 870889/1
Start ansøgning

Responsibilities

  • Skill & Integration Development: Design and implement scalable integrations (APIs, services, MCP interfaces) that expose internal and external systems as reusable skills for AI agents
  • Execution Layer Support: Collaborate on the development and optimization of the skill execution layer, ensuring reliable, scalable, and secure execution of agent-driven actions
  • System Integration: Connect the AI platform with business systems such as GIS data sources, valuation tools, and other enterprise applications
  • API & Service Design: Build and maintain clean, well-documented APIs and services that support modular and reusable architecture
  • Reliability & Performance: Ensure integrations are robust, observable, and performant, with proper error handling and monitoring
  • Cross-Functional Collaboration: Work closely with AI and Data Engineers within a shared backlog, contributing to end-to-end delivery rather than isolated components

Profile

  • Azure and Databricks Proficiency: Experience integrating backend services with Databricks and Azure environments
  • Backend Development & APIs: Strong experience in building APIs and backend services (REST, event-driven architectures)
  • System Integration: Experience integrating enterprise systems and working with external/internal APIs
  • Python (must) + optional other languages: Strong programming skills for building services and integrations
  • Distributed Systems Basics: Understanding of asynchronous processing, queues, and scalable architectures
  • DevOps & Terraform automation: For automation and deployment at scale IaaC and DevOps principles are important
  • Problem-Solving Skills: Ability to debug and resolve integration and system issues efficiently
  • Experience with MCP or similar tool exposure frameworks
  • Familiarity with event-driven architectures
  • Experience working in data-heavy or AI-driven environments
  • Optional: Experience in energy or industrial systems
  • English fluent

Benefits

  • A very renowned company
  • Possibilities to work in a home office

About Hays

IT is and always has been our core business that laid the foundation for Hays' success. We are the biggest privately owned IT recruitment agency in Germany and offer the best jobs for every career level – whether you are interested in vacancies in agile SMEs or international DAX groups. Hays masters the entire IT job spectrum, from support to software architecture or digitalisation – thanks to our broad portfolio, we have something for everyone. In the last decades, we were able to support numerous IT experts with choosing the right path for a successful career, positioning ourselves as their lifelong partner. Our highly specialised consultants can cater to your every wish and expectation and will prepare you for interviews and contract negotiations. Give it a try and learn what the market has to offer – our services are free of charge, non-binding and discreet! We look forward to hearing from you.

Staffing process for freelance specialists

  1. Analysis of qualifications
  2. Telephone or personal interview
  3. Contact with customers
  4. Contract with Hays
  1. 1    
  2. 1. Analysis of qualifications

    We carry out a detailed analysis of your technical qualifications on the basis of your CV, your application documents and your profile.

  3. 2
  4. 3
  5. 4

Contact at Hays

Michelle Winkels
Reference number : 870889/1
Start ansøgning