T Hub - SAP Integration Expert
Offer summary

(Summary generated by AI based on the full job description)

The project focuses on SAP S/4HANA and SAP ECC integration with internal and external systems, including cloud and on-premise solutions. It uses SAP Integration Suite, SAP PI/PO, and protocols like IDoc, RFC, BAPI, OData, SOAP/REST. Responsibilities cover designing, implementing, testing, and optimizing integrations, establishing standards, and providing 3rd-level technical support. Benefits include medical care, funding for courses and sports activities, flexible working hours.

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T Hub - SAP Integration Expert

Company: T-Mobile

from: 22 June 2026
to: 22 July 2026
salary not specifiedcontract of employment (full-time)
Offer parameters
level:mid
working mode:remote
Warszawa, Mokotów
Warszawa, MokotówMarynarska 12View on map

Requirements

Operating system

Windows
Linux

Our requirements

  • Bachelor's or Master's degree in Computer Science, Information Systems, Engineering, or a related field; or equivalent practical experience.
  • 5+ years of hands-on experience in SAP integration, preferably in complex, international environments.
  • Proven track record in designing and implementing integrations for SAP S/4HANA and/or SAP ECC.
  • Experience in full project lifecycle (design, build, test, deploy, operate) of integration solutions.
  • In-depth knowledge of at least two of the following: SAP Integration Suite (Cloud Integration, API Management, Event Mesh), SAP PI/PO or SAP Process Orchestration, SAP CPI (Cloud Platform Integration)
  • Strong understanding of SAP integration technologies and concepts: IDoc, RFC, BAPI, ALE, Proxy, OData, SOAP and RESTful web services, Message mapping (graphical, XSLT, Java/Groovy scripting)
  • Authentication and security standards (OAuth2, SAML, SSL/TLS, certificates, SSO)
  • Solid understanding of at least one SAP application area (e.g. FI/CO, SD, MM, PP, HCM, SuccessFactors, Ariba, CRM) to design business-relevant integrations.
  • Ability to communicate complex technical concepts in a clear and business-oriented way.
  • Very good command of English (written and spoken); German or other languages are a plus.

Optional

  • Experience with: API design and management (security, throttling, versioning), Event-driven architectures and messaging (e.g. JMS, Kafka, SAP Event Mesh)
  • Familiarity with DevOps concepts and tools (e.g. Git, Jenkins/Azure DevOps, CI/CD pipelines).

Your responsibilities

  • Design and implement integration solutions for SAP S/4HANA and/or SAP ECC with internal and external systems (cloud and on-premise).
  • Define and maintain integration architectures using SAP technologies such as: SAP Integration Suite (CPI/Cloud Integration, API Management, Event Mesh), SAP Process Orchestration / SAP PI/PO, IDoc, RFC, BAPI, OData, SOAP/REST APIs
  • Develop and document integration patterns, guidelines, and reusable components to ensure standardization and scalability.
  • Collaborate with enterprise and solution architects to align integration solutions with overall IT and business strategy.
  • Configure, develop, and test integration scenarios end-to-end, including mapping, routing, transformation, and error handling.
  • Work with various protocols and formats (e.g. HTTP(S), SFTP, JDBC, SOAP, REST, IDoc, XML, JSON, EDIFACT).
  • Implement robust monitoring, logging, and alerting mechanisms to ensure high availability and transparency of integrations.
  • Perform code reviews and provide technical guidance to internal and external developers.
  • Provide 3rd-level support for critical integration issues and act as an escalation point for complex incidents.
  • Keep documentation up to date (technical designs, configuration guides, operations manuals).
  • Consult with business process owners and IT stakeholders to translate business requirements into robust integration designs.
  • Support projects as integration lead, ensuring alignment on timelines, scope, and technical feasibility.
  • Contribute to or lead the definition of integration governance, standards, and best practices.
  • Support vendor management and collaborate with external service providers where required.
  • You will be responsible for the end-to-end design, implementation, and optimization of integrations between SAP and non-SAP systems. In this role, you act as a key technical authority for SAP integration topics, working closely with business stakeholders, solution architects, and external partners to ensure reliable data flows and seamless end-to-end processes.
  • You will play a pivotal role in our SAP transformation roadmap, helping us to standardize integration patterns, leverage modern integration technologies, and move towards cloud-based and API-driven architectures.
Company

What we offer

T Hub Poland is a dynamic, forward-thinking division in T-Mobile Poland, where technology matters! It’s a place where best talents converge to ideate, prototype, and implement cutting-edge solutions in international projects held in Deutsche Telekom Group.
As a part of Deutsche Telekom Group, we are building in Poland SAP Center of Excellence to support our T-Systems International Customers in Europe with SAP Analysis, Design and Rollout.
Location: Remote with approx. once per quarter presence in HQ (Warszawa, ul. Marynarska 12

Benefits

  • sharing the costs of sports activities
  • private medical care
  • sharing the costs of foreign language classes
  • sharing the costs of professional training & courses
  • life insurance
  • flexible working time
  • corporate products and services at discounted prices
  • integration events
  • mobile phone available for private use
  • no dress code
  • parking space for employees
  • extra social benefits
  • sharing the costs of tickets to the movies, theater
  • holiday funds
  • birthday celebration
  • sharing the costs of a streaming platform subscription
  • employee referral program
  • charity initiatives
  • extra leave
  • Benefit Platform

Recruitment stages

  • 1.
    Let’s meet to better understand each other's expectations.
  • 2.
    Hiring Manager will receive your application after meeting.
  • 3.
    Technical meetings with the Hiring Manager and/or team.
  • 4.
    Time to decide!

T-Mobile

Working at T-Mobile’s T Hub will offer you an unique and highly rewarding experience on IT market. As a leader in the telecommunications industry, T-Mobile not only provides a platform to hone your technical skills but also empowers you to be a catalyst for innovation. You'll have the opportunity to work at the forefront of cutting-edge technologies, from 5G to IoT and AI, shaping the future of connectivity. Our commitment to fostering a diverse and inclusive workplace means you'll collaborate with a wide range of talented professionals, learning and growing together. T-Mobile encourages a culture of continuous learning and development, offering mentorship and support to help you thrive in your career.

This is how we work

T Hub - SAP Integration Expert
I apply to:
T-Mobile
Warszawa, Mokotów
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