T Hub - Lead SAP Integration & Replikation Expert with German

T Hub - Lead SAP Integration & Replikation Expert with German How to avoid professional compromises? Choose once and for all to

ENTER SUPERPOSITION

Form of Employment: Contract of Employment

Location: Warsaw/ hybrid model (office presense once per quarter)

Have you ever asked yourself whether you'd rather work in a big-tech, software house or startup? At home or in the office? In international teams or polish? At T Hub, there's one answer - YES!

What’s next?

Find yourself a super position -> Apply -> Talk with us -> Find yourself in a superposition!

What tasks await you?

We are looking for an experienced Senior / Lead SAP Integration Expert to join a large-scale HR transformation program focused on the migration from SAP ERP HCM to SAP SuccessFactors.

This role is centered around two closely connected areas:

SAP ERP HCM* SAP SuccessFactors migration projects

SAP SuccessFactors* SAP ERP HCM integration and data replication scenarios

You will take end-to-end technical ownership of complex integration landscapes, ensuring stable, scalable, and sustainable data flows across multiple HR systems. We are seeking a strong technical lead who can independently drive integration, migration, mapping, and data replication topics beyond standard SAP solutions.

Integration & Data Replication

• Design, implement, and optimize integration and replication scenarios between SAP ERP HCM, SAP SuccessFactors, and connected systems

Support and technically lead SAP ERP HCM* SAP SuccessFactors migration initiatives

• Analyze existing HR data models and define robust target architectures
• Design and implement complex mapping and transformation logic across systems
• Develop customized integration solutions beyond standard SAP scenarios
• Ensure data consistency, synchronization, and quality across hybrid HR landscapes
• Investigate and resolve integration issues, replication failures, and data inconsistencies
• Build, extend, and stabilize replication frameworks from the ground up
• Contribute to the evolution of integration architectures and best practices

Technical Leadership & Ownership

• Take full technical ownership of integration and replication streams within the project
• Independently manage complex system environments with minimal onboarding
• Prioritize and drive technical requirements and solution design activities
• Identify risks and propose sustainable technical solutions
• Collaborate with business stakeholders, architects, and IT teams to translate requirements into scalable solutions
• Lead troubleshooting and resolution of cross-system integration challenges

Architecture & System Design

• Design and evaluate hybrid integration architectures
• Work with SAP Integration Suite (CPI), APIs, and related middleware technologies
• Ensure robust, scalable, and maintainable end-to-end data flows
• Assess the impact of migration decisions on downstream integrations and replication processes
• Support architectural decisions within SAP HCM-to-Cloud transformation programs

Stabilization & Quality Assurance

• Lead end-to-end integration testing activities
• Perform root-cause analysis of technical issues and system communication failures
• Analyze and resolve synchronization, delta processing, and mapping challenges
• Support post-go-live stabilization and hypercare activities
• Ensure operational stability of implemented integration solutions What skills will be appreciated?

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Must-Have

Extensive hands-on experience with SAP ERP HCM* SAP SuccessFactors integration and replication

Proven expertise in: SAP ERP HCM SAP SuccessFactors migrations and SAP SuccessFactors* SAP ERP HCM replication scenarios

• Experience designing and building replication frameworks from scratch
• Strong understanding of data models, data flows, and system communication concepts
• Expertise in data mapping, data harmonization, and custom integration requirements
• Ability to evaluate the downstream impact of migration decisions on integrations and replication processes
• Experience working within complex hybrid HR system landscapes
• Strong hands-on knowledge of SAP Integration Suite (CPI), APIs, and middleware technologies
• Demonstrated technical leadership in integration-focused projects
• Proven ability to troubleshoot and resolve complex cross-system integration issues
• Ability to work independently and take ownership in complex environments
• Professional proficiency in German and English

Nice to Have

• Experience with SAP SuccessFactors Employee Central
• Experience in large-scale HR transformation programs
• Knowledge of hybrid Cloud / On-Premise environments
• Exposure to Time Management, Payroll, Finance, or related HR systems
• Experience with SAP Activate methodology
• Workshop facilitation and business consulting experience
• End-to-end integration testing and test management expertise
• SAP BTP and cloud integration experience
• Experience integrating SAP solutions with Microsoft technologies (e.g., Azure)
• API management and event-driven integration architectures
• International rollout and global implementation experience Our offer for you

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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

• No dress code

  • you can just be yourself here

• Medical,

sport and life insurance

packages at preferential terms

• Access to: Percipio, Coursera, Rodos learning platforms

• Access to our products and

services at preferential terms

• Employment contract-based cooperation

• Know Talent - receive training

or financial bonus for

recommending new

employees

What will your recruitment process be like?

A fair approach to all people who want to join T Hub means that:

• The recruitment process is transparent;
• Our recruitment decision is based solely on an assessment of your skills (your race, skin color, sexual orientation, gender identity, origin, disability, political view, appearance, or religion will not have any influence on yhe outcome of the process);
• Regardless of the outcome of the process, you will get detailed feedback. Who are we?

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We're one of the four European technological hubs of the Deutsche Telekom group, to which T-Mobile belongs. Thanks to this, you have the opportunity to work on global projects as well as collaborate with business partners from various industries. Whether it's automotive, security, banking, or countless other options - be sure to explore them all!