Data Migration Experts in Frankfurt

• Electronics – Surface Solutions | Carve-out of IT, data and system landscape*

• Separation of a full business division's IT, data and system landscape following divestment; centrally governed investment envelope in the three-digit m€ range

• Laboratory notebook and laboratory analytics platform stream: Palantir Foundry, Snowflake, Signals Notebook, Power BI and connected laboratory instrumentation; site transition completed without interruption to laboratory operations

• Decision authority and escalation point for business, IT infrastructure, IT security and vendors; separation executed across globally distributed users and systems, handed over on schedule

Participation in the EU-funded MORANE-2 project to validate the Future Railway Mobile Communication System (FRMCS) in real-life use cases: creation of the requirement specifications for TOBA as well as the associated test specifications.

Technologies: 5GS (Radio & Core), FRMCS, MCx (MCPTT, MCData, MCVideo), MC Gateway UE, MCx Priority/Security/QoS Management, ETCS, SIP, IMS

• Create a tracking concept for Google Tag Manager and Google Analytics including data layer, events, triggers, and reporting
• Manage the project team (developers, designers, performance specialists)
• Serve as communication interface between stakeholders and digital departments

#Coordination of the introduction of the new CCT platform in the RAITT project in the Customer Service area for the inbound channels Call/Email/Letter and Web/App.

• Design of the rights and roles concept in Phase 1 of the Salesforce product launch.
• Coordination with Enterprise and Solution Architects regarding future system interfaces (APIs, REST APIs).
• Close coordination with the affected business units and project teams across tribes. Support for the introduction of the new CCT platform in Sprinklr and its dependencies on RAITT for all inbound channels.
• Preparation and coordination of works council-related topics with HR and Application Owners.
• Creation and optimization of process flows for inbound feature-related business processes and their modeling. #Toolset: JIRA, Confluence, Camunda, Aris, Salesforce, SCRUM

• Freelance consulting for startups, fintechs, SMEs, banks, financial service providers, and established companies on strategic, organizational, and technological topics; focus on analysis, structuring, execution readiness, and stakeholder communication.
• Gathering, structuring, and prioritizing business requirements; translating business goals into actionable IT, process, data, and documentation requirements.
• Designing and improving digital platforms, user journeys, portal structures, information architecture, and data-driven product/content structures; strong fit for customer portals, partner portals, and B2B2C application journeys.
• Analyzing user, reach, search, and platform data to derive product, content, and platform decisions; structuring decision bases for management and delivery teams.
• Using Jira, Confluence, Excel, analytics, and automation tools; working in agile and hybrid delivery environments.

Part of a company-wide SAP S/4Hana cloud migration program including 6 implementation teams migrating the whole business process landscape from on premise into the cloud. Managing of two project teams on data migration and creation of business cockpits for pricing and logistics. Conducting two workshops to define the data migration approach and the Kanban working mode. Setting up release and deployment plans. Conducting stakeholder management and management reporting. Setting up the full project structure in Jira and sharepoint.

Key Contributions:

• Conducting two scoping workshops on the data migration approach for business partner and materials incl the full project plan definition and the pricing and logistics cockpits
• Coaching of one development and one data migration team consisting of 5 developers, SAP consultants and several business key user by adapting Scrum and Kanban frameworks
• Managing three external services provider consisting of different SAP consultants and developer incl budget and ressource allocation management

• Enabled over $5M in EOR revenue and scaled the new standalone global payroll product to 500% YoY growth in the past year, following its strategic launch and integration into the core platform two years prior by aligning leadership across Sales, Finance, and Operations
• Owned the Go-to-Market strategy and served as the primary domain expert for Sales; redefined the Ideal Customer Profile (ICP) and introduced new commercial packaging and pricing structures that successfully shifted the pipeline toward mid-market accounts, significantly increasing Average Contract Value
• Drove platform consolidation by collaborating with staff engineers and architects to unify global payroll and EOR solutions into a single HR platform, unlocking cross-sell opportunities and improving operational efficiency
• Realised a 75% reduction in payroll transactional costs by driving the financial automation domain across 100+ countries; transitioned operations from expensive third-party partners to high-efficiency in-house processing and automation, while ensuring 99%+ payroll accuracy

I am an experienced data engineer specializing in end‑to‑end data integration, cloud DWH architectures, and high‑quality, governed data products.

I delivered following projects and engagements as a freelancer.

• Data Migration of CRM System for AL-FA Objekt Service Gmbh
• Microsoft Software Resales Partnership

I am looking for freelance roles like: Freelance Data Engineer Cloud Data Warehouse Architect Data Modeling & Architecture Consultant MDM & Data Governance Specialist BI & Analytics Developer

Technical Focus Areas

• Data Engineering & Integration: SQL Server/SSIS, Informatica PowerCenter/IDQ, Talend, Kafka, Azure Data Factory – Delta/CDC/ELT patterns, robust pipelines, monitoring/recovery, data lineage & impact analysis, medallion architecture Bronze/Silver/Gold layers
• DWH & Cloud: Azure SQL / Data Lake / Synapse, AWS Redshift/S3, on‑prem SQL/Oracle – scalable data marts with a strong cost/benefit focus.
• Data Modeling: Atomic (Inmon) and Dimensional (Kimball), Data Vault (Linstedt), Domain‑Driven Design, clear lineage & contracts.
• MDM & Governance: Informatica MDM, IBM MDM, stewardship processes, data quality rules, survivorship/XREF, catalog/glossary, SIF/BES/REST publication.
• Analytics/BI: Power BI, SSAS, Cognos – business‑ready, maintainable data products.

• Manage and oversee various software development projects between product management and agile dev teams of external service providers
• Communicate with all stakeholders
• Promote transparency and focus on project topics
• Facilitate alignments between business units and external partners
• Support product managers and product owners in preparing and managing requirements in workshops and tools
• Use short feedback loops to optimize agile collaboration
• Support hybrid and agile collaboration

• Holistic responsibility for modernizing and expanding federal networks and upgrading critical data center and telecom infrastructure in the high-security agency environment of BDBOS
• Planning and management of the expansion of national BOS network infrastructure in the VS-NfD/KRITIS environment with technical decision authority at the architecture and component level (Cisco, Layer 2/3, WAN redundancy)
• Planning, tendering (EVB-IT/UVgO) and oversight of the upgrade of security-critical telecom infrastructure for emergency call 110/112 (ACD)
• Capacity planning, rack integration, structured cabling, power supply, cooling concept (CRAC/In-Row) and DCIM monitoring for data center expansion
• Building the IT department from scratch: structures, governance, processes, team recruiting, vendor selection and long-term IT strategy
• Planning and managing infrastructure and application migrations: migration strategies, batch planning, hypercare stabilization and rollback concepts
• Creating vendor-neutral specifications (telecom systems, signature solutions) according to EVB-IT and UVgO; contract award and vendor management
• Setting up a secure IT environment according to BSI basic protection, ISO 27001 and VS-NfD; developing IT security concepts and CMDB analyses
• Hands-on program leadership: decision papers for management and steering committees, risk management, reporting and change request control

• Extracted relevant infotypes from SAP HCM for migration to SuccessFactors Employee Central and mapping to ECP fields.

• Configured P2P integration including BAPI setup and secured data exchange with HTTPS and OAuth protocols.

• Set up foundational settings in Recruiting (REC) including roles, permissions, and job requisition templates.

• Implemented Career Site Builder to create a branded candidate experience and integrated external job boards.

• Configured candidate application workflows, screening, interviewing, and hiring communication templates.

• Set up pre-screening questions and assessment tools including DHB sanction list checks.

• Implemented automated background check and KYC integration with external vendors in the REC module.

• Localized job requisition templates to reflect regional job titles and regulatory compliance.

• Customized onboarding document templates and localized document archiving protocols (DRTM).

• Adjusted onboarding forms to capture country-specific employee information including Form I-9.

• Enabled Form I-9 remote document verification and integrated eVerify with SuccessFactors.

• Set up automated reminders for employees and HR to complete I-9 sections within deadlines.

• Configured pre-Day 1 access for new hires to complete tasks and mandatory trainings prior to start date.

• Enabled e-signature integration for onboarding documents to support remote verification.

• Technologies: SAP SuccessFactors, BTP, CPI, HCM onPremise, EC, ECP, REC, ONB, Form I-9, eVerify, S4HANA.

• Participated in project planning and solution design discussions to align business objectives with technical requirements.
• Conducted user requirements gathering, performed unit testing, and supported Conference Room Pilots (CRP) to validate system functionality.
• Implemented Oracle HCM Fusion Cloud modules, ensuring smooth deployment and alignment with client HR processes.
• Designed and developed Oracle OTBI and BI Publisher reports, dashboards, alerts, notifications, page integrations, and autocomplete rules to support business intelligence and automation.
• Worked on HCM data extracts and data migration using HCM Data Loader (HDL) and Spreadsheet Loader for efficient data handling and transformation.
• Managed and maintained project plans, developed project calendars, created change requests (CRs), and coordinated closely with consultants and clients for timely follow-ups.
• Currently acquiring hands-on experience in Oracle Policy Automation and Oracle Redwood UI to expand solution expertise.

• Supported the International Web Presence project of the Federal Employment Agency (IntWeb) in quality management, taking on responsibility for the quality of processes and project deliverables while adhering to BA standards. The project's main goals are to give professionals abroad a quick overview of their chances to move to Germany and to enable them to take the necessary steps in a consistently digital way.

• Set the fundamental guidelines using the QA handbook

• Summarized test results in QA reports for PLA

• Analyzed project outcomes for improvement opportunities

• Quality management of requirements analysis (especially processes, methods and tools)

• Ensured compliance with SERA guidelines

• Created a cross-project test concept

• Agreed on sprint completion reports

• Conducted formal reviews of deliverables according to guidelines and/or project plan

• Acted as contact person for internal audit and external audits by auditors or the Federal Audit Office (BRH)

• Technologies: JIRA, Confluence, MS Office, GitLab, Kubernetes

• Configured and automated data extracts from Oracle databases, achieving 100% data accuracy in a critical migration project, significantly reducing manual errors and accelerating the migration timeline.

• Designed and implemented interfaces with Order Management Systems (OMS), enabling seamless and automated data exchange and improving operational efficiency through faster, error-free order processing across business units.

• Developed and deployed data extraction workflows to support regulatory compliance and customer reporting, ensuring timely delivery of key reports, reducing manual effort, and increasing customer satisfaction.