Apache Subversion Experts in Cologne
with precise AI matching and vetted, available freelancersHire experts who manage SVN repositories, plan branching and merging strategies, and connect Subversion with build and release workflows. FRATCH matches you quickly with precise, vetted freelancers who are available for your project.
Meet FRATCH Experts in Cologne, who have recently used Apache Subversion
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
Predrag P.
Last position:
Test Developer | Test Automation Engineer at CreditReform
Technologies: Java 25, Selenium, Insomnia, SSO, Gitlab, Jenkins, Docker, Kubernetes, Jira, IntelliJ, Nexus, Oracle, MariaDB, SpringBoot, Grafana, Concept Board, Vue.js, OpenApi, Kotlin. Implementation, maintenance, and enhancement of automated end-to-end regression tests for UI and API interfaces. Appropriate and targeted test automation involving multiple software products, including Java-based Windows applications. Automation of business processes with Selenium, reset jobs, and DB import jobs, as well as creation of test concepts, test case descriptions, and structured defect reporting.
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
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.
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.
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.
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
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
Kay O.
Last position:
Fullstack Developer at INIT GmbH
- Development of monitoring and control systems for public transportation
- Development of a platform for real-time monitoring of passenger information and ticketing systems, as well as an application for remote control and status monitoring of access control systems
- Development of dynamic forms, complex tables, real-time dashboards (SignalR), and reusable frontend components (using Storybook)
- Implementation of REST interfaces in the backend
- Deployment to the Microsoft Azure Cloud
- Technologies used: Angular 20, Angular Material 3, Dev Extreme, Storybook, C#/.NET 10
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
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
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: 90%)
Master's degree or higher
56% (Germany: 57%)
Doctorate
6% (Germany: 8%)
Certifications per freelancer
4 (Germany: 3)
Most common languages
German, English, French
Speak two or more languages
96% (Germany: 98%)
Based on our profile pool as of 29 Oct 2026.
Daily rate distribution
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 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 29 Oct 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
Repository Control
Apache Subversion, commonly called SVN, is a centralized version control system for source code and other project assets. It stores a complete project history in a repository and gives teams controlled access through commits, updates, branches and tags. Companies use it where traceable changes, predictable permissions and established release processes matter.
Core Workflows
Subversion supports structured collaboration on application code, configuration, documentation and large binary assets. Strong repository practices keep changes reviewable and releases reproducible.
- Design repository layouts for trunk, branches and tags
- Configure access rights and authentication
- Resolve conflicts and manage merges
- Recover files or revisions from repository history
- Connect commits with build and release processes
Ecosystem and Tools
SVN professionals work with command-line clients, TortoiseSVN, web interfaces and repository hosting services. They often connect Subversion with Jenkins, TeamCity, GitLab integrations, issue trackers and deployment scripts. Relevant skills include hooks, dump and load operations, repository maintenance, backup design and migration tooling.
When Expertise Helps
Companies bring in freelance Subversion expertise during repository migrations, access redesigns, server changes and release-process improvements. Specialists also help when a repository has slow operations, unclear branching rules, unreliable backups or a history that must be preserved. In Cologne, local teams can combine on-site workshops with remote administration and documentation.
- Consolidate repositories after acquisitions or restructures
- Migrate selected projects to Git without losing history
- Stabilize continuous integration around SVN commits
- Improve permissions, auditability and recovery procedures
SVN and Git Choices
Subversion is centralized, while Git gives each contributor a full local repository and supports distributed workflows. SVN can remain a practical choice for teams that need one authoritative server, granular path permissions, controlled binary asset handling or established release branches. The right decision depends on collaboration patterns, integrations, repository history and migration risk.
Strong Professionals
A capable Apache Subversion specialist understands more than checkout and commit commands. They can explain repository structure, branching policy, merge tracking, authentication, hooks, backup validation and client behavior. They also communicate clearly with application teams, release managers and security stakeholders, which keeps technical changes aligned with daily work. For Cologne projects, German and English communication may both be relevant depending on the team and supplier network.
Frequently asked questions
The facts hiring teams ask for most often when it comes to Apache Subversion.
Apache Subversion is used to version source code, configuration, documentation and other project files in a centralized repository. It records changes, supports branches and tags, and lets teams restore earlier revisions when needed.
SVN uses a central repository, while Git gives each contributor a full local copy of the repository history. Subversion can suit teams that need centralized control, path-based permissions or established release branches; Git is often better for distributed work and offline branching.
Apache Subversion work often includes repository administration, authentication, backup validation and migration planning. Useful adjacent skills include Jenkins or TeamCity integration, scripting, issue tracking, release automation and practical Git knowledge.
Subversion projects need a specialist who matches the risk and scope of the work. Repository restructuring, merge-heavy releases, migration and recovery planning call for deep operational experience, while routine client configuration may need a narrower skill set.
SVN can be managed remotely when repository access, monitoring and documentation are properly arranged. A specialist in Cologne can work on-site for workshops or incident response and continue with remote administration, provided security and communication requirements are clear.
Apache Subversion quality is visible in a clear repository layout, predictable branch policies and tested recovery procedures. Ask a specialist to explain merge tracking, permissions, hooks, backup restoration and how they would reduce disruption before changing a live repository.
Subversion migration can make sense when teams need distributed development, local history, flexible branching or stronger integration with Git-based workflows. It may not be worthwhile when centralized permissions, binary asset handling and stable release processes are more important than changing tools.
SVN specialists should clarify repository size and structure, client versions, authentication, hosting, backup status, branching rules and connected build systems. They should also confirm whether the assignment covers routine support, performance work, migration, release automation or an incident.
The average hourly rate of freelancers in Cologne, Germany who have used Apache Subversion in their recent projects is 92 €, which corresponds to a daily rate of about 739 € 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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