Apache Subversion Experts in Cologne
for controlled code delivery, matched in minutes with vetted freelancersHire experts who manage Apache Subversion repositories, design branching and merging strategies, and connect version control with build and release workflows. FRATCH matches you quickly and precisely with vetted, available freelancers for your project.
Meet FRATCH Experts in Cologne, who have recently used Apache Subversion
Hooman B.
Last position:
Fullstack Developer at Möbel Roller GmbH
- Further development of the existing e-commerce platform based on SAP Commerce (Hybris) to meet the growing demands of digital commerce.
- Ensuring the scalability and performance of the backend, so the platform remained stable and efficient even under heavy user load.
- Development and integration of new OCC REST APIs and services for modular extensions and flexible adjustments, to implement new features quickly.
- Optimization of data flows and interfaces, which significantly improved platform efficiency and system performance.
- Ensuring a maintainable and scalable code base by using Clean Code principles, proven design patterns, and a future-proof architecture.
- Reduction of errors through extensive testing with JUnit, Mockito, and load tests with Gatling, supported by the introduction of automated test processes.
- Improved system performance through targeted refactoring measures and efficient database queries, especially to handle peak loads.
- Use of modern cloud and monitoring tools such as Kubernetes, Google Cloud Platform (GCP), and Grafana to ensure a stable and monitored infrastructure.
- Clear improvement in efficiency, scalability, and reliability of the platform, which now meets the demands of a dynamic and growing e-commerce market.
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
Christoph S.
Last position:
Test Manager at Logistics
- Coordination and planning, execution, documentation, and analysis of test cases
- Development of test concepts considering best practices (e.g., test pyramid) with a focus on reliable, automatable test runs
- Implementation and maintenance of test cases according to the test concepts
- Technologies: Citrix Workspace, Shopify, Jira, Xray, MS Teams, MS SharePoint, Confluence, MS Office 365
Alexander K.
Last position:
Software Tester at Buhl Tax Service GmbH
- AI-assisted creation of test cases and test data
- Creation of test cases based on requirements
- Execution of manual tests
- Defect documentation, retesting and tracking
Technologies & Tools: SCRUM, Jira, Confluence, Zephyr Scale
Stefan M.
Last position:
Bundesrechtsanwaltskammer
- Design, planning and execution of complex acceptance tests for a document exchange platform for the German justice authorities.
- Validation of decrypted and certificate-based message exchange via web platform, mobile app, and Java API.
- Documentation of test cases, execution steps, and test results.
- Technologies: Windows 11/10, Ubuntu, iOS, Android, Bash for Windows, Java 17, IntelliJ, Git, Jira, Confluence, Citrix Server, xJustiz standard implementation, specific justice software.
Allal K.
Last position:
Java Senior Full Stack Developer at Insurance ÖRAG
- Further development of a policy administration system (contract/claims) for the legal expenses insurer ÖRAG.
- My role: Senior Software Developer.
- The team consists of 12 developers.
- Technologies used: Java 8/21, Java EE, Quarkus, WebLogic, JPA, RabbitMQ, JTA, CI, CD, Jenkins, DB2, Maven, Jenkins, GIT (bitbucket) later GitLab, Junit, Elasticsearch, Mockito, Jira, SonarQube, Scrum, React, Workflow
- Migration and modernization of legacy systems: rewrote C and C++ code in Java to improve maintainability, scalability, and performance. Refactored Python into Java, including optimization and integration into modern architectures.
- Study on the use of AI (Codex) for implementing a Java feature. The goal is to compare the time spent and productivity of AI-supported development with a classic implementation by a developer. The results should show how strongly the use of AI affects development time and efficiency.
- Development of the following tariff calculators for the years 2024/2026: private, companies, doctors, farmers, owner-occupied G + H, landlords, traffic, club, top managers, sales representatives, special criminal law, savings bank, municipal, BayGT, doctors, Dehoga
Stanislaus S.
Last position:
Security Consultant at Rohde & Schwarz AG at Star Labs GmbH
- Worked on FPGA enhanced network encryption device with secure boot, TPM2.0 and smart card integration for BSI approved usage with Post Quantum Cryptography
- Developed and audited Linux drivers
- Collaborated using GitLab, Gerrit, Confluence and Jira
- Technologies: C, C++, Secure Boot
Yannick T.
Last position:
Cloud Architect at Anonymous
- Implementation of Infrastructure as Code (IaC) with Terraform to ensure a scalable, repeatable, and secure Azure infrastructure
- Implementation and optimization of CI/CD pipelines with Azure DevOps
- Management of container and server environments and AKS
Markus G.
Last position:
Full Stack Developer at REWE Digital
- A warehouse valuation system was reimplemented using Java, Spring Boot, and Camunda. The backend solution focuses on integration and batch calculations, the frontend on managing formulas and reviewing results.
- Java 21
- Spring Boot
- JPA
- Maven
- REST
- Kafka
- PostgreSQL
- DB2
- Liquibase
- Google Cloud Storage
- Keycloak
- GitLab CI/CD
- Helm
- Terragrunt
- SonarQube
- Angular
- IntelliJ
- JUnit 5
- Mockito
- Open API
Andreas K.
Last position:
Backend Developer at Univention GmbH
- Developed a SCIM-compliant Python interface to connect external systems
- Expanded and enhanced UCS modules in Python
- Extended and newly developed Helm charts for container orchestration in Kubernetes
- Maintained and further developed CI/CD pipelines in GitLab
- Implemented automated tests with Pytest and Playwright
'Nubus' is based on a microservice architecture, relies on open source technologies, and runs in Docker containers.
UCS is an IAM complete solution based on Debian, used as an alternative to Microsoft's Active Directory. The work was characterized by the close integration of infrastructure and application logic.
Predrag P.
Last position:
Test Developer | Test Automator at CreditReform
Technologies: Java 25, Selenium, Insomnia, SSO, GitLab, Jenkins, Docker, Kubernetes, Jira, IntelliJ, Nexus, Oracle, MariaDB, Spring Boot, Grafana, Concept Board, Vue.js, OpenAPI, Kotlin. Implementation, maintenance, and extension of automated end-to-end regression tests for UI and API interfaces. Appropriate and targeted test automation across multiple software products, including Java-based Windows applications. Automating business processes with Selenium, reset jobs, and DB import jobs, as well as creating test concepts, test case descriptions, and structured bug reporting.
Vladimir M.
Last position:
Developer at Financial services provider
- Support and further development of a framework for developing applications in a banking association: DynS/OSPE
- Migration of the framework to Java 11 and Java 17
- Java8, Java11 and Java17, Spring, Spring-Batch, Spring WebServices, Spring-Security, Spring-Data, JPA, Hibernate, OpenSource libraries etc.
- XML, JAXB, JSON, REST and SOAP services, DB2, Oracle, WebSphere or Liberty AS, FreeMaker, Junit, mock libraries, JaCoCo, Maven, IntelliJ, Eclipse, GitHub, SVN, Jira
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
Jyothikrishna S.
Last position:
Senior Back-end Engineer at RLE Engineering and Services GmbH
- Works at Ford Motor Company as Senior Back-end Developer on contract via outsourcing
- Designed and developed REST APIs based on the analyzed requirements and technical standards
- Investigated issues and defects to determine root causes and formulate corrective action measures
- Participated in QA, stage, and production release activities
- Conducted code reviews for performance improvement
- Provided monitoring and support using GCP
- Used test driven and behaviour driven development approaches
- Took part in agile ceremonies
Discover over 15,000 top freelancers
Statistics of experts using Apache Subversion
Aggregated from the professional profiles of matched freelancers.
Experience
22 years (Germany: 23 years)
Position duration
3.3 years (Germany: 3 years)
Positions per freelancer
16 (Germany: 15)
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Banking and Finance, Automotive
Certification focus areas
Information Technology, Project Management, Product Development
Bachelor's degree or higher
94% (Germany: 91%)
Master's degree or higher
56%
Doctorate
6% (Germany: 8%)
Certifications per freelancer
4 (Germany: 2)
Most common languages
German, English, French
Speak two or more languages
96% (Germany: 98%)
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 Apache Subversion
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.
Apache Subversion 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 (92%)
- Banking and Finance (58%)
- Automotive (50%)
- Insurance (50%)
- Transportation (46%)
- Government and Administration (46%)
- Retail (46%)
- Telecommunication (42%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What Apache Subversion does
Apache Subversion, commonly called SVN, is a centralized version control system for source code and other project files. It records changes in repositories, supports controlled access, and gives teams a reliable history for reviewing, restoring, and releasing work. Companies use it for software, documentation, configuration, and assets that need clear ownership.
Repository structure
SVN organizes work through repositories, directories, working copies, revisions, and commits. Experts plan trunk, branch, and tag layouts around the release process rather than applying a single pattern everywhere. They also configure repository permissions, hooks, commit policies, conflict handling, and backup procedures so the history remains useful and protected.
Tools and integration
Professionals work with command-line clients, TortoiseSVN, web interfaces, and repository hosting services. They connect SVN with build servers, issue tracking, code review, and release automation through hooks, APIs, and continuous integration tools. Migration work may involve Git, GitLab, GitHub, or other source control systems while preserving the history that teams still need.
Typical delivery work
- Create repository layouts for trunk, branches, and release tags
- Migrate repositories and validate commit history, permissions, and references
- Resolve merge conflicts and improve branching and release procedures
- Automate checks with hooks, build pipelines, and deployment workflows
- Document access rules, backup routines, and recovery processes
Apache Subversion is useful where centralized governance, predictable access, or existing repository history matters. It often supports long-running products, regulated workflows, embedded software, and shared documentation alongside newer tools.
When companies need specialists
Companies bring in freelance expertise when an SVN repository has become difficult to maintain, a migration threatens valuable history, or releases depend on fragile manual steps. Specialists can audit repository health, clarify permissions, reduce merge risk, and establish repeatable recovery processes. In Cologne, they may support local product, industrial, media, or public-sector teams on site, remotely, or in a hybrid setup.
What strong experts bring
Strong professionals understand version control as part of delivery, not just as a client application. They ask how teams release, review, secure, back up, and recover their work before changing the repository. Look for clear migration plans, careful testing, practical documentation, and experience collaborating with distributed teams; German and English communication may both matter in Cologne-based projects.
Frequently asked questions
The facts hiring teams ask for most often when it comes to Apache Subversion.
Apache Subversion is used to track changes to source code, documents, configuration, and other project files in a centralized repository. It helps teams control access, review history, manage releases, and restore earlier revisions.
SVN uses a centralized repository, while Git gives each contributor a full local repository and supports distributed workflows. SVN can suit organizations that want central governance and straightforward access control; Git is often preferred for offline work, broad branching, and open collaboration.
A strong Apache Subversion specialist may also understand build automation, release management, scripting, repository hosting, access control, and backup design. Experience with Git and migration tooling is valuable when teams are comparing systems or moving selected projects.
The required depth depends on the repository and the risk of the change. A routine access or workflow adjustment may need focused support, while a large migration, complex branch model, or recovery project calls for a specialist who has handled repository history and rollback planning.
SVN work is often suitable for remote collaboration when repository access, documentation, and communication channels are well defined. On-site sessions in Cologne can still help with workshops, migration planning, or coordination across teams, while German or English may be needed depending on the stakeholders.
Ask how the Apache Subversion freelancer approaches repository assessment, branching, permissions, backups, and testing. Request a clear plan for protecting history and minimizing disruption, rather than relying only on familiarity with the client tools.
Apache Subversion remains sensible when a company needs centralized control, stable workflows, fine-grained permissions, or dependable history for an established product. Replacing it is not automatically better if the current process is understood, secure, and integrated with delivery work.
Quality work with SVN leaves a repository that is easier to understand, safer to change, and simpler to recover. Check whether the specialist documents the layout, validates permissions and hooks, tests release paths, explains trade-offs, and transfers knowledge to the internal team.
The average hourly rate of freelancers in Cologne, Germany who have used Apache Subversion in their recent projects is 93 €, which corresponds to a daily rate of about 745 € based on an 8-hour working day.
Of the freelancers in Cologne, Germany who have used Apache Subversion in their recent projects, 94% hold at least a Bachelor's degree, 56% hold at least a Master's degree, and 6% hold a doctorate.
On average, freelancers in Cologne, Germany who have used Apache Subversion in their recent projects have 22 years of professional experience, with a single engagement typically lasting around 3.3 years.
The most common languages among freelancers in Cologne, Germany who have used Apache Subversion in their recent projects are German (100%), English (96%), and French (25%).
The most common industries among freelancers in Cologne, Germany who have used Apache Subversion in their recent projects are Information Technology (92%), Banking and Finance (58%), and Automotive (50%).
The most common business areas among freelancers in Cologne, Germany who have used Apache Subversion in their recent projects are Information Technology (100%), Product Development (88%), and Quality Assurance (71%).
Main locations of FRATCH Experts, who have recently used Apache Subversion
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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Munich 
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Stuttgart 
Dusseldorf 
Essen 
Nuremberg Request a free demo
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FRATCH CEO
