
Data Migration Experts in Dortmund
matched in minutesHire experts who plan secure transfers, map complex data models and validate cloud or ERP migrations. FRATCH connects you with vetted, available freelancers through fast, precise AI matching.
Meet FRATCH Experts in Dortmund, who have recently used Data Migration
Diego E.
Last position:
RPG Software Developer from RPG III to Free Format
- Development of software and system support for RPG development.
- Development, optimization and maintenance of programs in RPG (RPG II to ILE Free Format).
- Performing integration tasks, data management as well as applying and managing system updates.
- User support and training to ensure smooth system operation.
Damian K.
Last position:
Independent advisory
- Valuation support; analysis of assets, ownership/intercompany structures, reporting, and asset-transfer issues
Romuald G.
Last position:
Software Developer at Aluminium Norf GmbH
- Set up a server to distribute production events from MES to the existing PPS
- Added further servers to the existing process
- Reported changes to the packing inventory to TWMS
Volker D.
Last position:
Developer at DV-Consulting und Entwicklung Volker Döch
- New development of a web app to manage and configure counting devices for large events
- Technologies: .NET 10, C#, Blazor, MudBlazor, MySQL, Git
Ergin Ş.
Last position:
SAP FI Consultant at Freelance
Andreas N.
Last position:
Freelancer at Freelance Work
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Statistics of experts using Data Migration
Aggregated from the professional profiles of matched freelancers.
Experience
27 years (Germany: 22 years)

Position duration
3.7 years (Germany: 3 years)

Positions per freelancer
12 (Germany: 15)

Top business areas
Information Technology, Project Management, Accounting

Top industries
Information Technology, Retail, Professional Services

Certification focus areas
Information Technology, Accounting, Business Intelligence
Bachelor's degree or higher
75% (Germany: 89%)
Master's degree or higher
25% (Germany: 50%)

Certifications per freelancer
5 (Germany: 4)

Most common languages
German, English, Spanish

Speak two or more languages
100% (Germany: 96%)
Based on our profile pool as of 16 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Dortmund 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 Dortmund 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 16 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 (100%)
- Retail (83%)
- Professional Services (67%)
- Banking and Finance (50%)
- Telecommunication (50%)
- Insurance (33%)
- Manufacturing (33%)
- Advertising (17%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What Data Migration Covers
Data migration moves information from one storage system, application or database to another. It includes discovery, data mapping, extraction, transformation, loading and validation. Projects may involve legacy systems, cloud environments, ERP replacements, mergers or application modernisation.
Core Migration Patterns
The right approach depends on data volume, system dependencies, downtime limits and business risk. A migration may run as a one-time cutover, in parallel waves or through continuous replication. Strong planning protects data integrity while keeping essential operations available.
- Legacy database to cloud migration
- ERP and CRM data transfer
- Merger and carve-out migrations
- Batch, streaming and hybrid migration
Ecosystem and Tooling
Data Migration specialists work across relational and NoSQL databases, cloud storage, ETL and ELT pipelines. They may use SQL, Python, dbt, Apache Spark, Azure Data Factory, AWS Database Migration Service, Google Cloud tooling or vendor utilities such as SAP migration tools. They also handle APIs, schema mapping, encryption, monitoring and rollback plans.
When Companies Need Help
Companies often bring in freelance expertise when internal teams must replace a legacy platform, consolidate systems or move workloads to the cloud without losing operational data. Dortmund businesses in manufacturing, logistics, retail and services may need local collaboration for workshops, while execution can often happen remotely. German and English communication may both matter when systems and stakeholders span regions.
- Source data is inconsistent or poorly documented
- A target system needs clean, deduplicated records
- Reconciliation results do not match business totals
- Cutover planning threatens business continuity
What Strong Specialists Deliver
Experienced professionals establish a source-to-target map before building transfer logic. They define ownership, quality rules, reconciliation checks and acceptance criteria with business stakeholders. Their deliverables can include migration runbooks, transformation scripts, test evidence, audit trails, monitoring dashboards and a controlled rollback process.
How to Assess Expertise
Ask for examples involving comparable source and target systems, sensitive data and real cutover constraints. Look for clear explanations of profiling, referential integrity, duplicate handling, access controls and post-migration validation. A capable specialist can explain trade-offs between a direct transfer, staged migration and ongoing replication, then adapt the plan to your operational risk.
Frequently asked questions
Key details about Data Migration, drawn from the questions we get asked most.
Data Migration is used to move records and related structures between databases, applications, storage environments or cloud services. It supports ERP replacements, platform consolidation, acquisitions, legacy modernisation and infrastructure changes while preserving accuracy and access.
Data Migration usually moves data from a source system to a target system, often as part of a transition. Data integration keeps information connected across systems through ongoing synchronisation, APIs or data pipelines. A project can use both approaches.
A strong Data Migration specialist commonly works with SQL, database administration, ETL or ELT design, cloud storage, APIs and data quality controls. Knowledge of Python, data modelling, security, testing and project cutover planning is also valuable.
The right level depends on source complexity, business criticality, data quality and downtime constraints. A small, well-documented transfer may need focused specialist support, while a multi-system migration requires someone who can lead discovery, mapping, testing, reconciliation and cutover.
Data Migration can often be delivered remotely because profiling, mapping, scripting and validation use secure digital environments. On-site workshops in Dortmund can still help when teams need to inspect legacy processes, coordinate operational owners or plan a sensitive cutover.
A staged Data Migration is useful when systems are large, dependencies are difficult to isolate or downtime must remain low. It allows teams to migrate and validate defined groups before expanding the transfer. A single cutover can be simpler when the dataset is controlled and the outage window is acceptable.
Review the quality of the source assessment, mapping rules, test cases and reconciliation evidence. Good Data Migration work makes exceptions visible, protects sensitive information and proves that counts, relationships and business outcomes match after the move.
Before starting Data Migration, clarify source and target ownership, access rights, data volumes, retention needs, quality problems, dependencies and the definition of successful validation. Also confirm whether stakeholders expect remote collaboration, on-site workshops in Dortmund or communication in German and English.
The average hourly rate of freelancers in Dortmund, Germany who have used Data Migration in their recent projects is 81 €, which corresponds to a daily rate of about 649 € based on an 8-hour working day.
Of the freelancers in Dortmund, 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 Dortmund, Germany who have used Data Migration in their recent projects have 27 years of professional experience, with a single engagement typically lasting around 3.7 years.
The most common languages among freelancers in Dortmund, Germany who have used Data Migration in their recent projects are German (100%), English (100%), and Spanish (17%).
The most common industries among freelancers in Dortmund, Germany who have used Data Migration in their recent projects are Information Technology (100%), Retail (83%), and Professional Services (67%).
The most common business areas among freelancers in Dortmund, Germany who have used Data Migration in their recent projects are Information Technology (100%), Project Management (83%), and Accounting (50%).
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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