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Data Migration Experts in Cologne

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Hire experts who plan and execute database transfers, cloud migrations and legacy system replacements while protecting data quality and business continuity. FRATCH connects you with vetted, available freelancers through fast, precise AI matching.

Meet FRATCH Experts in Cologne, who have recently used Data Migration

Verified expert

Emre S.

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Freelance IT Project Manager and Technical Project Lead

Köln
Emre S.

Last position:

IT Project Manager | SAP E-Invoicing Outbound at Rohde & Schwarz

Project: Introduction of statutory-compliant electronic invoicing (outbound, Germany) in SAP for an international technology group.

  • Project management: Planning, steering and reporting of the E-Invoicing outbound rollout across all affected business areas, including budget and resource coordination.
  • UAT: Structured user acceptance test with key users per business area, test cases per invoice scenario, and consolidated test results for decision making.
  • Defect management: Handover and tracking of defects in Jira, including validation of the generated invoices against the statutory schemas.
  • Cutover, go-live and hypercare: Readiness checks and cutover planning aligned with the statutory deadlines, coordination of go-live and stabilization during hypercare.
  • Stakeholder management and reporting: Alignment with Finance, Tax, business departments and IT, preparation of status reports and decision papers, and consistent follow-up of open items.
  • Change management and documentation: Communicated process changes to the business departments, enabled key users, and created process and compliance documentation to ensure traceability and audit readiness.
Verified expert

Burhan D.

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Experienced IT and AI Architect

Niederkassel
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

Verified expert

Henning U.

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Senior Expert Data Governance, Master Data Quality and Data Migration

Leichlingen (Rheinland)
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
Verified expert

Peter S.

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SAP FI/CO Consulting

Dormagen
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 executing statutory reports
  • Clarification of the prerequisites for using S/4 Hana apps to define and execute 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, PSCD when introducing new company codes and other organizational structures
  • Consulting and documentation of necessary process adjustments
Verified expert

Andreas W.

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Freelancer

Monheim am Rhein
Andreas W.

Last position:

Freelancer at Infrafibre Networks GmbH

  • Determining the current status (planning status / expansion status) of the so-called interpolygon routes
  • Preparing an end-to-end project plan for the individual routes, taking active and passive components and activities into account
  • Monitoring and controlling plan implementation
  • Optimizing the selected network architecture
  • Creating network and splice plans
Verified expert

Thorsten S.

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Senior Consultant / TBL

Köln
Thorsten S.

Last position:

Senior Consultant / Stream Lead at Vetter Pharma

  • Create the blue prints
  • Customizing Asset Management
  • Support the EAM data migration
  • Create the TSD for developments
  • Modules: SAP S/4 HANA Asset Management
Verified expert

Jannik J.

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Freelance Salesforce Consultant & Developer

Cologne
Jannik J.

Last position:

Freelance Salesforce Consultant & Developer at Self-employed

  • Consulted on and delivered over 30 Salesforce projects (Sales Cloud, Service Cloud, Experience Cloud, Pardot, Marketing Cloud)
  • Designed and built CRM architectures, including requirements management, data modeling, and automation
  • Implemented custom solutions (Apex, LWC, Flows, integrations)
  • Developed interfaces with ERP, DMS, and email systems (SAP, Microsoft Dynamics, DocuWare, among others)
  • Introduced agile project methods (Scrum, Kanban) in customer projects
  • Coached internal Salesforce teams (admin and developer training)
Verified expert

Thomas R.

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BI Consultant and Power BI Developer

Cologne
Thomas R.

Last position:

Power BI Consultant

Focus:

Consulting in reporting and project management for Power BI

Goal:

Creation of IT application dashboards for business areas

Activities:

  • Technical consulting and support in managing and coordinating an existing reporting setup
  • Structured collection, analysis, and preparation of business reporting requirements
  • Technical coordination with defined internal contacts
  • Design and optimization of Power BI reports to improve data analysis
  • Development of concepts and recommendations for the further development of an efficient and transparent reporting system
  • Support in the user-friendly visualization of relevant company KPIs as a basis for decision-making

Tools/Skills: MS-PowerBI, DAX, MS-Office 365, PowerQuery M, BCS

Verified expert

Bipin P.

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Core Officer - Scale 1

Köln
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.
Verified expert

Peter B.

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Data Warehouse Consultant (Development and Analysis)

Köln
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
Verified expert

Louis N.

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Specialist in Adobe Experience Manager & Microservices

Bergheim
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

Verified expert

Vitali H.

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Power BI Expert

Troisdorf
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.

Verified expert

Robert M.

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Air traffic tax German Customs Administration SOAP Webservices Client Requests

Bonn
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

Verified expert

Wolfgang C.

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Owner

Bornheim
Wolfgang C.

Last position:

Owner at cremer consulting

  • Design, implementation and initial population using AI of a cloud-based, group-wide central contract management database for the IT subsidiary of a leading European retail company, including related IT-supported contract processes
  • Concept paper (preliminary study) on putting central provider management into practice (DORA, German Supply Chain Due Diligence Act, EU Corporate Sustainability Due Diligence Directive CSDDD) as part of the structural realignment of a digital services partner of the Savings Banks Finance Group
  • Strategic setup of a new central unit, including development of business requirements specifications for contract and process management and a document management system for a digital services partner of the Savings Banks Finance Group
  • Strategic organisational review in the public sector to implement the maturity model as part of the ÖGD Digital Pact (process evaluation, review of tasks, SWOT analysis, staffing assessment)
  • Interim IT project lead for a private building society, restructuring the project organisation as part of the technical and strategic process redesign of key end-to-end processes for the new technology platform of the internet portal of Germany’s largest nationwide mortgage broker
  • Ensured the strategic and operational readiness of vaccination centres in Hesse as a program management consultant on the politically sensitive Impf-IT project for the Hessian Ministry of Integration and Social Affairs
  • Interim management of the IT project portfolio with network partners at a data centre, as part of the multi-year business implementation plan and annual IT planning
  • Migration of legacy data from merged regional banks into the group bank’s systems and delivery processes to reduce costs and optimise the business portfolio
  • Coached a consulting firm in developing and establishing lending services within Financial Services Banking, using innovative blockchain technology
  • Strategic and financial realignment of conference centres in the D-A-CH region to ensure long-term viability while meeting financial targets, including a sales negotiation mandate for a non-profit organisation’s conference centre

Discover over 15,000 top freelancers

Statistics of experts using Data Migration

Aggregated from the professional profiles of matched freelancers.

Experience

25 years (Germany: 22 years)

Data Migration experts in Cologne have 25 years of professional experience on average. It is 3 years more than in Germany, where the average stands at 22 years.

Position duration

2.9 years (Germany: 3 years)

Data Migration experts in Cologne stay in a single position for 2.9 years on average. It is 0.1 years less than in Germany, where the average stands at 3 years.

Positions per freelancer

16 (Germany: 15)

Data Migration experts in Cologne have completed 16 positions on average over the course of their careers. It is 1 more than in Germany, where the average stands at 15.

Top business areas

Information Technology, Quality Assurance, Product Development

Data Migration experts in Cologne have gathered most of their hands-on project experience in Information Technology, Quality Assurance, and Product Development.

Top industries

Information Technology, Banking and Finance, Transportation

Data Migration experts in Cologne are most in demand in Information Technology, Banking and Finance, and Transportation.

Certification focus areas

Information Technology, Project Management, Customer Service

Data Migration experts in Cologne earn their certifications most often in Information Technology, Project Management, and Customer Service.

Bachelor's degree or higher

75% (Germany: 89%)

75% of Data Migration experts in Cologne hold at least a Bachelor's degree. It is 14% lower than in Germany, where the rate stands at 89%.

Master's degree or higher

25% (Germany: 50%)

25% of Data Migration experts in Cologne hold at least a Master's degree. It is 25% lower than in Germany, where the rate stands at 50%.

Certifications per freelancer

6 (Germany: 4)

Data Migration experts in Cologne hold 6 professional certifications on average. It is 2 more than in Germany, where the average stands at 4.

Most common languages

German, English, Spanish

Data Migration experts in Cologne most often speak German, English, and Spanish.

Speak two or more languages

93% (Germany: 96%)

93% of Data Migration experts in Cologne speak two or more languages. It is 3% lower than in Germany, where the rate stands at 96%.

Based on our profile pool as of 29 Oct 2026.

Daily rate distribution

0% 25% 50% 75% 100%
20% of Data Migration experts in Cologne charge less than €800 per day.
73% of Data Migration experts in Cologne charge between €800 and €1200 per day.
7% of Data Migration experts in Cologne charge €1600 or more per day.
<€800 €800-​1200 €1600+

The chart shows how the daily rates of experts in this technology in Cologne are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging within that range.

Average rates of experts in Cologne using Data Migration

Rates are based on recent contracts and do not include FRATCH margin.

1000
750
500
250
Rate comparison chart
Daily rate avg. 876 €
Germany avg. 850 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

1000
750
500
250
Rate comparison chart
Median rate 880 €
Germany median 800 €

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 29 Oct 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 (80%)
  • Banking and Finance (53%)
  • Transportation (53%)
  • Professional Services (53%)
  • Manufacturing (47%)
  • Retail (47%)
  • Telecommunication (47%)
  • Automotive (33%)

Please note that freelancers can work across multiple industries, so percentages overlap.

About the technology

What it covers

Data Migration moves information from one system, database or storage environment to another. It includes discovery, mapping, transformation, transfer, validation and controlled cutover. The work may support a cloud move, an ERP replacement, a merger or the retirement of a legacy application.

Common projects

The right approach depends on data volume, structure, business rules and downtime limits.

  • Migrating relational databases to cloud services
  • Consolidating data after a merger or system change
  • Replacing legacy applications and file-based storage
  • Preparing operational data for analytics platforms
  • Rebuilding interfaces and scheduled transfer jobs

Ecosystem and tooling

Strong specialists work across SQL databases, data warehouses, object storage and cloud services from AWS, Microsoft Azure or Google Cloud. They may use ETL and ELT tools, change data capture, APIs, scripting and orchestration systems. Familiarity with formats such as CSV, JSON and XML helps when systems do not share a common model.

When support matters

Companies often bring in freelance expertise when internal teams know the destination but lack migration capacity or specialist planning skills. Warning signs include unclear data ownership, repeated reconciliation errors, fragile scripts, undocumented dependencies or a cutover that cannot be rehearsed. A professional can define a migration strategy, assess risk and leave clear operating documentation.

Delivery and control

A reliable migration starts with profiling source data and agreeing on rules for cleansing, deduplication, retention and access. Specialists create mappings, test representative samples, automate repeatable steps and reconcile source with target records. They also plan backups, rollback options, monitoring and business sign-off before production cutover.

What distinguishes experts

Good professionals combine technical execution with careful communication. They explain trade-offs between batch migration, phased migration and near-real-time replication, and they know when a direct transfer is unsafe. For companies in Cologne, remote collaboration can work well when workshops, access procedures and decision owners are arranged clearly; on-site sessions may help with sensitive legacy environments and stakeholder coordination.

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Frequently asked questions

What clients ask us most about Data Migration — answered in short.

Data Migration is used to move information between databases, applications, storage environments or cloud services. Companies use it for system replacements, cloud adoption, mergers, data warehouse projects and the retirement of legacy technology.

Data Migration usually moves data to a new target as part of a transition, while data integration keeps information connected across systems over time. A migration may use integration tools, but its main goal is a controlled change of platform or application.

A strong Data Migration specialist often combines SQL, database administration, ETL or ELT design, cloud storage and scripting. Experience with data governance, testing, security, APIs and project coordination is also valuable because migration decisions affect both technology and business operations.

The required depth depends on system complexity, data sensitivity, dependencies and the tolerance for downtime. For a critical enterprise move, choose a Data Migration professional who has planned rehearsals, reconciliation, rollback and stakeholder sign-off rather than someone who only writes transfer scripts.

Yes, much of Data Migration can be delivered remotely through secure access, documented workshops and shared testing environments. On-site collaboration in Cologne can still be useful for discovery sessions, restricted systems or coordination with teams handling physical and operational dependencies.

A good Data Migration plan identifies sources, owners, mappings, transformation rules, validation checks and cutover responsibilities. It should also cover backups, access controls, monitoring, rollback and a rehearsal using representative data.

Companies may compare Data Migration with keeping the existing system, building a coexistence layer or using replication while systems run in parallel. The best choice depends on business deadlines, technical debt, data quality, compliance needs and the cost of maintaining both environments.

Before beginning Data Migration, a freelancer should clarify the source and target systems, data owners, access process, success criteria, downtime limits and dependencies. They should also confirm who approves mappings, how sensitive data is handled and what support is available during cutover.

The average hourly rate of freelancers in Cologne, Germany who have used Data Migration in their recent projects is 109 €, which corresponds to a daily rate of about 876 € based on an 8-hour working day.

Of the freelancers in Cologne, Germany who have used Data Migration in their recent projects, 75% hold at least a Bachelor's degree and 25% hold at least a Master's degree.

On average, freelancers in Cologne, Germany who have used Data Migration in their recent projects have 25 years of professional experience, with a single engagement typically lasting around 2.9 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 (13%).

The most common industries among freelancers in Cologne, Germany who have used Data Migration in their recent projects are Information Technology (80%), Banking and Finance (53%), and Transportation (53%).

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 (73%), and Product Development (60%).

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.

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