Data Migration Expert in Cologne
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Meet FRATCH Experts in Cologne, who have recently used Data Migration
Burhan D.
Last position:
Enterprise Architect & Solution Architect at DB Netz AG
With project PRIZMA, DB will modernize its infrastructure on the one hand, and develop a fail-safe IT landscape on the other hand, which can be restored quickly and securely in case of a disaster.
- Capture current architectures of existing systems as well as methodical consulting and development of target architectures
- Deepen and maintain the building plan / target IT landscape
- Implement technical architecture concepts & architecture descriptions
- Implement migration concepts for updating and further developing the platform and information systems
- Assess submitted improvement suggestions as part of the project
- Capability management: identify capability gaps, develop target visions, and support transformation planning within the enterprise architecture.
- Create a compatibility matrix of the components in use and compare dependencies of specific versions
- Create an IT concept for extending the platform with the following topics: hardware and software requirements, security, licensing, high availability, load balancing, backup & recovery, update strategy, monitoring integration, etc.
- Coordinate with business architects as well as technical architects from the cross-functional architecture area of the PRISMA program for the topics (backup, Active Directory, monitoring, Citrix, and business applications ...)
- Status meetings and alignment of project planning with the Release Train Engineer / Project Manager
- Advise the Release Train Engineer / Project Manager in identifying project risks
- Advise the System Architect Engineers in steering the implementation of the concept
- Implement the IT concept
- Document the infrastructure
Label: MS Project, LINUX, Windows, ORACLE, Java, REST, SharePoint, Microsoft Exchange, UML, Enterprise Architect, BPMN, AZURE, AWS, V-MODEL, Micro Service, VisualStudio, SAP S/4HANA, SCRUM(SAFE), ESB (TIBCO), Python, Innovator, LeanIX (TOGAF), Ansible, Ansible Tower, Ansible Automation, ROBOT, SpringBoot
Henning U.
Last position:
Senior Expert Data Governance, Master Data Quality and Data Migration at E.ON
- Planning and implementation of a migration strategy for master and transaction data for the continuous loading of a cloud-independent database
- Creation and pilot implementation of a company-wide Business Data Model for customers, suppliers, contracts, products, prices, consumption, invoices, and dunning
- Concept and consulting for a Data Governance Framework incl. definition of committees, roles, processes, and metadata model
- Operationalization of the Data Governance Framework with definition of data standards
- Sub-project management in two pilot projects (PoCs) for Data Governance systems (ErwinDIS and Atlan)
- Training and coaching the data team in migration, data quality, and data modeling
Peter S.
Last position:
SAP FI/CO/PSM Consulting at Federal Authority
- SAP ERP/ECC, SAP S/4 Hana
- Analysis and documentation of SAP FI/CO, PSM, PSCD customizing
- Analysis, consulting and documentation of S/4 Hana apps for defining and preparing statutory reports
- Clarification of the prerequisites for using S/4 Hana apps to define and prepare statutory reports
- Analysis and documentation of customizing for in-house developments
- Consulting on the integration of SAP FI/CO as well as PSM, PSM-FM (Funds Management), Contract Accounts Receivable and Payable (PSCD)
- Consulting and documentation of customizing adjustments in SAP FI/CO, PSM, PSM-FM and PSCD for the introduction of new company codes and other organizational structures
- Consulting and documentation of required process adjustments
Hüseyin A.
Last position:
Business Analyst at Niedersächsisches Ministerium für Inneres, Sport und Digitalisierung
- Responsibility, also as rollout manager, for the successful transition of a basic OZG platform into the client's standard operations by planning and implementing measures along Service Transition and Service Operation according to ITIL, including workshops in a SAFe environment with more than 40 operational stakeholders
- Building and maintaining cross-organizational stakeholder relationships by organizing and running various information sessions on technical configurations and user guides (platform and EfA services)
- Designing and improving various operational and project documents such as the ITIL operations manual, OLA, SLA, service support concept and rollout instructions
- Modeling project-based processes according to BPMN 2.0, EPK and UML related to OZG services with the goal of integrating them into the operational e-government process landscape (SOA)
- Coordinating operational stakeholders and KPI reporting to the project management team using agile methods according to SAFe
- Tech stack / tools: Microsoft 365 (SharePoint, OneNote, Outlook, Teams), Skype for Business, Cisco Webex, ADONIS, MindManager, Jira, Confluence
Wolfgang C.
Last position:
Owner at Cremer Consulting
- Design, rollout and initial population via AI of a cloud-based, group-wide central contract management database at the IT subsidiary of a leading European retailer, including integrated IT-supported contract processes
- Concept paper (pre-study) for operationalizing a central provider management (DORA, Supply Chain Act, EU Supply Chain Directive CSDDD) as part of the structural realignment of a digitalization partner within the Sparkassen-Finanzgruppe
- Strategic establishment of a new central unit, including drafting functional requirement specifications for contract and process management and a document management system for a digitalization partner of the Sparkassen-Finanzgruppe
- Strategic organizational study in the public sector to implement the maturity model under the Public Health Service Digital Pact (process evaluation, task analysis, SWOT analysis, staffing assessment)
- Interim IT project leadership for a private building society to restructure project organization during the technical and strategic-process redesign of central end-to-end processes on the new technology platform of the website for the largest nationwide mortgage broker
- Ensuring strategic and operational readiness of Hessian vaccination sites as a program management consultant in the politically sensitive "Vaccination IT" project for the Hessian Ministry for Integration and Social Affairs
- Interim management of the IT project portfolio with partner associations at a data center as part of the multi-year professional development plan and annual IT planning
- Migration of legacy data from merged regional banks into the system landscape and delivery pipeline of the entire bank to reduce costs and optimize the business portfolio
- Coaching a consulting firm in establishing and growing the credit topic in financial services banking by integrating innovative blockchain technology
- Strategic economic realignment of conference centers in the D-A-CH region for sustainable viability, considering profitability requirements, including negotiation mandate for the sale of a conference center at a non-profit organization
Bipin P.
Last position:
Core Officer - Scale 1 at Canara Bank
- Provided excellent customer service in a customer-facing role.
- Managed departments of CASA, deposits, credit/loans, and recovery.
- Engaged in banking product analysis, design, customization, testing, and implementation activities.
- Selected for the CBS upgradation project for testing new version of core banking software in 2019.
- Managed successful upgradation of corporate module Flexcube (FCC) of CBS software, dealing with limit creation, security/collateral creation, bank guarantees, letters of credit, corporate loans, export and import bills, forward contracts, and fund transfers (inward and outward).
- Performed PL/SQL development and manual testing (JIRA).
- Collaborated with IBM (system integrator) and Oracle team (vendor) for removal of bugs and onboarding new products/parameters.
- Handled integration of Export Data Processing and Monitoring System (EDPMS) and Import Data Processing and Monitoring System (IDPMS) with CBS package.
- Closely worked with BA&IS wing for generating various statutory and other reports related to Flexcube corporate module.
- Participated in core testing team for IT synergy project during amalgamation of Syndicate Bank into Canara Bank.
- Worked in head office under technology operations wing, handling FCC issues on an ongoing basis.
Andreas W.
Last position:
Freelancer at Infrafibre Networks GmbH
- Assessing the current status (planning stage / rollout status) of the so-called inter-polygon routes
- Creating an end-to-end project plan for the individual routes, considering active and passive components and tasks
- Monitoring and controlling the implementation of the plan
- Optimizing the chosen network architecture
- Creating network and splice diagrams
Peter B.
Last position:
Data Warehouse Consultant (Development and Analysis) at Atruvia AG
- Developed and enhanced ETL loading jobs with IBM DataStage and optimized SQL in an IBM DB2 environment as part of the Agree21 data migration
- Analyzed data quality and developed test procedures
- Created PowerShell scripts and documented GIT deployment processes
- Technologies: RedHat Linux, IBM DB2 with DBVisualizer, IBM InfoSphere DataStage 11.7, JIRA, TortoiseGIT, TortoiseSVN, PowerShell scripts
Louis N.
Last position:
Specialist in Adobe Experience Manager & Microservices at Nguenkam Consulting & Engineering
Java 11/21
Springboot
Swagger/OpenApi
Azure Pipelines
Trivy Integration
Apache Sling
OSGI
Java Content Repository (JCR)
Apache Jackrabbit Oak
Adobe HTL
GraphQL
Maven
GitLab
IntelliJ
Azure Cloud
Azure DevOps
Terraform
AEM specialist in the Scrum team
Development and deployment of microservices via Open API interfaces
Operation of microservices in the Azure Cloud
Implementation of AEM modules and integration with microservices
Member of the knowledge transfer team and a backend coordination team
Jannik J.
Last position:
Freelance Salesforce Consultant & Developer at Self-employed
- Consulting and delivery of over 30 Salesforce projects (Sales Cloud, Service Cloud, Experience Cloud, Pardot, Marketing Cloud)
- Designing and setting up CRM architectures including requirements management, data modeling, and automation
- Implementing custom solutions (Apex, LWC, Flows, integrations)
- Developing interfaces with ERP, DMS, and email systems (SAP, Microsoft Dynamics, DocuWare, etc.)
- Introducing agile project methods (Scrum, Kanban) in client projects
- Coaching in-house Salesforce teams (admin and dev training)
Thorsten S.
Last position:
Senior Consultant / TBL at Telekom
- Create the blue prints
- Process modeling
- Modules: SAP S/4 HANA Service
Vitali H.
Last position:
Power BI Expert at Media Agency
The project aims to migrate the company's existing Power BI Premium environment to Microsoft Fabric. This migration includes moving the existing data models, reports, and dashboards to the new platform to take advantage of the extended features and improved performance of Microsoft Fabric. The solution will be deployed in various regions worldwide to ensure a unified and consistent reporting and analytics environment for all locations.
Requirements analysis, migration planning, data migration, adapting reports and dashboards, testing and validation, training and support, deployment and monitoring, regional rollout.
Robert M.
Last position:
Air traffic tax German Customs Administration SOAP Webservices Client Requests at Team GmbH
In the citizens' and business customer portal of the Customs Administration, airlines submit applications for departures and landings every month
These applications are forwarded to the caseworkers via SOAP web service and, after review and processing, any queries or notifications are returned via SOAP web service
PL/SQL programming of SOAP webservices client requests for HTTP/XML message exchange between the BuG portal and the caseworkers
New creation and change requests for Forms and Reports 12 modules
Forms applications start and read SOAP webservice requests via PL/SQL packages, process them and send Reports 12 documents to the airlines
Sara S.
Last position:
Senior Software Developer with a Focus on UI/UX at vGen GmbH
Development of an interactive prototype for the concept of an AI-supported Enterprise Architecture Management tool. The goal was to present complex relationships between IT systems, business processes, and departments in a way that is easy to understand and to support decision-making in the context of IT transformations.
The prototype combined data-driven analyses with guided questions and interactive visualizations. A central part was the integration of a RAG process to provide domain-specific EAM knowledge in context. The focus was on quick idea validation, user-centered interaction design, and the technical feasibility of a scalable overall concept.
Design, implementation, and validation of a RAG process for domain-specific EAM knowledge with Python, LangChain, and graph/vector databases (Neo4J, Milvus)
Business and technical requirements analysis as well as definition of an MVP
Development of the architecture and technology concept using Angular, Spring Boot, GraphQL, and Kubernetes
Design of an interaction concept and creation of a brand style guide with Figma
Development of interactive prototypes with Angular, Konva.js, and TypeScript
Integration of CI/CD processes with GitLab CI/CD
Discover over 15,000 top freelancers
Statistics of experts using Data Migration
Aggregated from the professional profiles of matched freelancers.
Experience
23 years (Germany: 22 years)
Position duration
3 years
Positions per freelancer
15
Top business areas
Information Technology, Quality Assurance, Business Intelligence
Top industries
Information Technology, Banking and Finance, Professional Services
Certification focus areas
Information Technology, Project Management, Product Development
Bachelor's degree or higher
82% (Germany: 89%)
Master's degree or higher
27% (Germany: 50%)
Certifications per freelancer
4 (Germany: 3)
Most common languages
German, English, Spanish
Speak two or more languages
93% (Germany: 96%)
Based on our profile pool as of 19 Sep 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Cologne are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.
Average rates of experts in Cologne using Data Migration
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 19 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Data Migration experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Information Technology (86%)
- Banking and Finance (57%)
- Professional Services (57%)
- Telecommunication (50%)
- Transportation (43%)
- Insurance (36%)
- Manufacturing (36%)
- Government and Administration (36%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Executing Enterprise System Transitions
Data migration involves transferring information between computer storage types, formats, or computer systems. Specialists plan schema transformations, extract records from legacy monoliths, and validate datasets in target environments. They prevent operational disruption and business downtime during complex enterprise shifts.
Modern Tooling and Transfer Ecosystems
Specialists rely on specialized software and frameworks to move and reshape datasets reliably:
- ETL and orchestration platforms like Apache NiFi, Airflow, and Talend
- Cloud transfer utilities such as AWS DMS, Azure Data Factory, and Google Cloud Storage Transfer
- Streaming pipelines built on Apache Kafka for zero-downtime transfers
- Automated reconciliation scripts written in Python or SQL
Core Project Engagements
Organizations launch transfer initiatives during major IT modernization drives. Common projects include moving on-premise relational databases to cloud warehouses, consolidating duplicate customer records after corporate mergers, updating legacy ERP systems, and reorganizing distributed transactional datastores into centralized analytics repositories.
Cologne Industry Demands
Enterprises in Cologne across media, insurance, logistics, and retail frequently replace legacy infrastructure. Local compliance requirements, including strict European data privacy standards, necessitate careful planning. Specialists operating in the Rhineland region understand these regulatory constraints alongside modern hybrid cloud architectures.
Critical Technical Capabilities
High-performing professionals combine technical database knowledge with risk management. They design idempotent transformation routines, enforce data profiling early, and implement automated rollback mechanisms. Their focus centers on maintaining schema parity, ensuring referential integrity, and minimizing transfer windows during production cutovers.
Strategic Value of Freelance Specialists
System shifts happen infrequently for individual internal teams, creating skill gaps during major transitions. Independent professionals bring repeated execution experience across diverse system architectures. They isolate migration tasks from everyday business operations, preventing project delays and reducing the risk of permanent data loss.
Frequently asked questions
What clients ask us most about Data Migration — answered in short.
A successful data migration begins with comprehensive source discovery and profiling to audit information health. Specialists then design mapping models, build transformation pipelines, execute phased sandbox tests, and perform final production cutover alongside validation checks.
While both extract, transform, and load information, regular ETL operates as an ongoing operational feed between running systems. In contrast, database migration or data shifting focuses on permanently moving historical and active records from a source system to a replacement environment, often ending in legacy system deprecation.
Proficiency in advanced SQL, scripting languages like Python, and data validation techniques forms the foundation of data migration. Specialists also need deep knowledge of source and target architectures, including cloud databases like PostgreSQL, Snowflake, or BigQuery, along with change data capture tools.
Professionals use techniques such as change data capture and dual-write strategies to keep the target synchronized while the source remains active. This approach ensures the final data transition cutover requires only a brief scheduled window to switch application traffic.
Most technical execution for a cloud data migration happens remotely via secure access environments. However, enterprises in Cologne often appreciate hybrid availability for kick-off workshops, risk assessments, and final cutover weekends, with strong communication in English or German.
Handling personal records under European privacy mandates requires end-to-end encryption, anonymization routines, and clear audit logging. A reliable system migration expert incorporates compliance checks directly into extraction, staging, and ingestion pipelines to protect sensitive records.
A successful data migration delivers complete schema accuracy, zero unaccounted record loss, and strict referential integrity. Post-migration reconciliation confirms that target systems produce identical reporting outputs compared against legacy baselines.
Internal teams rarely execute large-scale system cutovers frequently enough to anticipate edge cases and complex pipeline bottlenecks. Engaging external professionals dedicated to data modernization ensures experienced risk management, faster delivery, and zero disruption to your team's everyday development focus.
The average hourly rate of freelancers in Cologne, Germany who have used Data Migration in their recent projects is 108 €, which corresponds to a daily rate of about 861 € based on an 8-hour working day.
Of the freelancers in Cologne, Germany who have used Data Migration in their recent projects, 82% hold at least a Bachelor's degree and 27% hold at least a Master's degree.
On average, freelancers in Cologne, Germany who have used Data Migration in their recent projects have 23 years of professional experience, with a single engagement typically lasting around 3 years.
The most common languages among freelancers in Cologne, Germany who have used Data Migration in their recent projects are German (93%), English (93%), and Spanish (14%).
The most common industries among freelancers in Cologne, Germany who have used Data Migration in their recent projects are Information Technology (86%), Banking and Finance (57%), and Professional Services (57%).
The most common business areas among freelancers in Cologne, Germany who have used Data Migration in their recent projects are Information Technology (100%), Quality Assurance (71%), and Business Intelligence (64%).
Main locations of FRATCH Experts, who have recently used Data Migration
Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.
Berlin 
Hamburg 
Munich 
Frankfurt 
Stuttgart 
Dusseldorf 
Essen 
Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
