Jenkins Experts in Essen
matched in minutes by AIHire experts who automate build, test and release workflows, connect Jenkins with cloud infrastructure and secure delivery pipelines across complex environments. FRATCH finds the right vetted, available freelancer quickly and precisely.
Meet FRATCH Experts in Essen, who have recently used Jenkins
Humayun S.
Last position:
Senior Test Manager - Lead at Star Finanz GmbH
- QA Lead for end-to-end quality assurance of the Sparkasse & Sparkasse Business banking apps (iOS/Android); design and implementation of the Test Strategy including functional testing, regression testing, and UAT for eID, Push Notifications, and white-label components
- Creation and maintenance of test concepts and test plans in TestRail; structured Defect Management and error analysis; stakeholder management and risk management for the early identification of critical quality risks
- Accessibility Testing according to WCAG 2.1 (iOS/Android); coordination of AI-supported test automation and optimization of test processes to shorten release cycles
- Release Management: planning, management, and coordination of all test activities; status reporting to management and stakeholders; quality assessment of releases and release recommendations in an Agile/Scrum environment
- Challenge: Highly complex build and release process across several Sparkasse institutions; close coordination with the DevOps team to stabilize the CI/CD pipeline and ensure reproducible test builds before every release.
Tools: Jira, Confluence, TestRail, Android Studio, Xcode, Firebase, Jenkins, GA4
- Success: Successful launch of the eID authentication process - quality assurance ensured for 50+ Sparkasse institutions
Boris S.
Last position:
Generalist expert for software development at Mercor
- Training AI models, evaluating images and text UI/UX, turning the provided data into insights through OpenAI Feather as part of the machine learning workflow
Technologies: OpenAI Feather
Laurin H.
Last position:
Software Architect (Freelance) at Care4Sure
- Delivered MVP-focused full-stack architecture for a health-sector client: Vite/React frontend, backend services on Google Cloud Run, and Supabase for database plus IAM/authentication.
- Supported product requirements engineering and prioritized cost-aware workload placement, implementing browser-side/edge computation where feasible before moving logic to backend services.
Anupriya P.
Last position:
Senior Software Engineer at Telefonica Germany
(Maternity/Parental Leave: July 2023 – Aug 2024)
- Domain: Payment Domain | Client: Telefonica Germany
- Project: General Payment Service
The General Payment Service is responsible for processing of online payments via external payment service provider like Safer pay and PayPal
- Developed Design of Use (DOU) and interface contract documentation, ensuring clarity and compliance across system integrations
- Designed and delivered REST/SOAP web services with Spring Boot and Spring Data JPA, publishing Swagger contracts through WSO2 API Gateway to improve accessibility and governance.
- Spearheaded the on-premises to AWS Cloud migration, re-platforming from Oracle to PostgreSQL on AWS RDS and deploying services on EC2, improving scalability and cost efficiency.
- Containerized microservices using Docker and orchestrated deployments with Kubernetes, streamlining deployment pipelines and improving system reliability.
- Implemented proactive monitoring and logging via AWS CloudWatch and Kibana, ensuring stability and performance during cutover.
- Enhanced collaboration through code reviews and peer reviews, promoting maintainability and clean coding standards.
- Strengthened quality by writing comprehensive JUnit tests and preparing detailed test cases enabling early defect detection
- Delivered automated API testing with Ready API, Postman, and SOAPUI, and conducted performance testing with JMeter, ensuring reliability in high-transaction environments.
Celil U.
Last position:
ZÜRS Geo 2021 at adesso SE
- Frontend development
- Spring Boot
- Swagger
- Git
- GitLab
- SonarQube
- Docker
- Maven
- Java
- Angular
Manuel E.
Last position:
External Technical Lead for CI/CD, Architecture & Technical Governance at Insurance
- Technical lead for CI/CD modernization in the "Group Archive 4.0" system
- Architecture and steering responsibility according to the statement of work
- Setting up modern build and deployment processes
- CI/CD coaching and enablement of the internal development team
- Integration of modern DevOps, security, and compliance standards
- Ensuring technical governance, including collaboration with internal audit and BaFin
- Independently executing the modernization measures
- Supporting the team in adopting new technologies and methods
Adem S.
Last position:
IT Consultant (Test Manager) & CEO at Trikolon Consulting GmbH
- Development and implementation of test concepts for complex, multi-layered systems
- Creation of regular management reports and presentations for stakeholders and clients
- Technical and disciplinary leadership of international test teams (coordination, coaching, resource planning)
- Responsibility for quality assurance across multiple test levels (unit, integration, system, and acceptance tests)
- Design of test cases and test plans in Azure DevOps; ensuring traceability and coverage
- Use of BDD approaches (Gherkin/Cucumber) to prepare test automation
- Building a test automation architecture with Playwright and integrating new tests into CI/CD pipelines
- Performing API tests (REST) and tests for mobile/PWA applications
- Setup and maintenance of test environments across multiple stages (integration, QA, UAT, pre-production)
- Test data management (synthetic and production-like data), ensuring consistency and reproducibility
- Collaboration with DevOps teams for containerization (Docker/OpenShift) and CI/CD integration
- Working under SAFe & Scrum, closely coordinating with product owners and DevOps teams
- Active participation in PI plannings, sprint reviews, and retrospectives
- Promoting an agile QA culture through coaching and knowledge sharing
- Introducing scalable test automation with Playwright → significant reduction of manual testing efforts
- Increasing test transparency through clean defect and reporting management in Azure DevOps
- Improved release quality through an end-to-end QA strategy and automated regression tests
- Strategic leadership of Trikolon Consulting GmbH and responsibility for finance, personnel, and business development
Ahmet C.
Last position:
Senior Android Developer at enbw
- Support in restructuring and designing the group's internal Android apps
- Defining essential modules and implementing accessible components
- Establishing agile approaches at an international level
- Technologies & Methods: Kotlin, Android, JUnit 5, Koin, Azure DevOps, Android Studio, Git, Jetpack Compose, Coil, Flow API, Ktor, Coroutines, TypeScript, Node.js
Daniel U.
Last position:
Senior Application Packaging & Deployment Engineer at Allevio AG (Client: Allianz Technology)
- Enterprise application packaging and deployment for Allianz's global Windows migration programs across Europe, North America, and APAC
- Migrated hundreds of enterprise applications from Windows 10 VDI to Microsoft Azure Windows 365 (Windows 11)
- Created software packages in MSI/MST, FlexApp, PSADT 3/4, and App-V according to enterprise packaging standards
- Developed an ASP.NET packaging automation platform with MongoDB, SQL Server, SharePoint, and Outlook integration
- Built PowerShell modules for automated quality checks of MSI and FlexApp packages
- Developed a release conflict detection module in PowerShell to identify potential deployment issues before production
- Created WDAC monitoring scripts for automated policy oversight and incident response
- Implemented MSGraph API calls in PowerShell for Azure AD and Intune operations
- Created Citrix oData scripts for historical usage analysis (BYOD, VDI, fat clients)
- Developed an Intune Win32 app 'Do Not Disturb' deployment routine for an optimal user experience
- First point of contact for troubleshooting production incidents with packaged applications
- Coordinated application owner, UAT, and release testing for hundreds of deployments
- Administered Microsoft Intune, Citrix environments, and SQL Server security
- Created and tested WDAC policies in Intune; managed configuration policies and Win32 app deployments
- Primary packaging resource for Allianz France since 2019
Musa M.
Last position:
Qa Engineer at TD Bank
- Designed and implemented an automation test framework using Junit and Maven, developing BDD scripts with Cucumber and reusable methods for application behavior.
- Created test data using automation scripts with Selenium WebDriver, Java, and Python, validating UI components, popup windows, and mouse movements.
- Conducted API functional testing of RESTful web services using Postman.
- Automated test execution using Maven and integrated with Jenkins, achieving a 20% reduction in regression testing time.
Dmitrii S.
Last position:
Senior Developer/Team Lead at Devexperts
Project Livebash (2021-12-01–2023-12-31)
Development and design of the core system
Code reviews
Developer management
CI/CD
Client communication
Leading epics
Speaking at conferences
Managing the production system
Interviewing project developers
Outcome: production system
Technologies and tools: Java 11, Java 17, Kotlin, Spring Boot, TeamCity, Gradle, AWS DynamoDB, JUnit, Mockito, Docker, Docker Compose, AWS SQS, AWS EC2, AWS S3, AWS MediaLive, Ethereum, Postman
Project Robinhood (2024-01-01–2024-05-31)
Customization and development of product features for specific clients
Interviews with project developers
Technologies and tools: Java 17, Java RX, Kotlin, Spring Boot, TeamCity, Gradle, JUnit, Mockito, Docker, Docker Compose, PostgreSQL
Projects Sway, Tickmill, Pepperstone, UCapital (2024-06-01–present)
Customization and development of product features for specific clients
Bug fixes
Porting tickets from the product
Feature development
Technologies and tools: Java 17, Java RX, Kotlin, Spring Boot, TeamCity, Gradle, JUnit, Mockito, Docker, Docker Compose, PostgreSQL
Nils S.
Last position:
Backend system and web client for exchanging electricity meters for utility providers at Freelance
Design and implementation of a system to control the entire process for new, removal, and exchange operations of electricity meters by external service providers for a utility company
Automated retrieval of orders and available devices via defined interfaces (e.g. from SAP)
Orchestration of process steps (assigning meters, processing meter data, sending updated information back to the source system) using a Spring Boot backend
Provision of a React-based web client for operational tracking and control of orders, e.g. to continue failed process steps or resend notifications
Marcel D.
Last position:
Software Developer / IT Tester at Continentale Krankenversicherung a.G.
Analysis, online COBOL software development and testing of dialog and batch programs in the Kranken Leistung (KL) project
Error analysis, bug fixing and ticket resolution (change requests and defects)
Documentation in collaboration with the contact office and the mathematics department
IT skills: Siemens Fujitsu BS2000, CCOM Emulation, Micro Focus Visual COBOL I and II, Eclipse IDE, UDS database system, Atlassian Confluence and Jira, ZULIP, UNIFY
Discover over 15,000 top freelancers
Statistics of experts using Jenkins
Aggregated from the professional profiles of matched freelancers.
Experience
18 years (Germany: 19 years)
Position duration
2.2 years (Germany: 5.1 years)
Positions per freelancer
11 (Germany: 12)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Banking and Finance, Insurance
Certification focus areas
Information Technology, Project Management, Product Development
Bachelor's degree or higher
83% (Germany: 91%)
Master's degree or higher
25% (Germany: 56%)
Certifications per freelancer
2 (Germany: 3)
Most common languages
German, English, French
Speak two or more languages
100% (Germany: 97%)
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 Essen 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 Essen using Jenkins
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.
Jenkins 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 (69%)
- Insurance (54%)
- Government and Administration (54%)
- Automotive (46%)
- Energy (38%)
- Healthcare (38%)
- Education (31%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Continuous delivery with Jenkins
Jenkins is an open-source automation server for building, testing and delivering software. Teams use it to turn source changes into repeatable pipelines that compile applications, run quality checks, package releases and deploy them to target environments. Its plugin ecosystem supports both traditional delivery models and modern cloud-native workflows.
Pipelines and automation
Jenkins Pipeline defines delivery workflows as code, making stages, approvals and failure handling easier to review and maintain. Strong experts work with Declarative and Scripted Pipeline, Groovy, shared libraries, credentials, agents and distributed build execution. They also design jobs that remain understandable as teams and repositories grow.
- Create multibranch pipelines linked to Git repositories
- Automate builds, tests, security checks and deployments
- Configure webhooks, agents and release approvals
- Replace fragile freestyle jobs with maintainable pipeline code
Ecosystem and integrations
Jenkins connects with Git, GitHub, GitLab, Bitbucket, Docker, Kubernetes and major cloud services. Specialists commonly integrate Maven, Gradle, npm, artifact repositories, SonarQube, Terraform and test frameworks. They also manage credentials, permissions, notifications and plugins without allowing the controller to become a security or maintenance risk.
When companies need experts
Freelance expertise helps when a delivery process is slow, inconsistent or difficult to audit. Companies may need support during a Jenkins migration, a pipeline redesign, a controller upgrade or a move toward ephemeral build agents. In Essen, experts can work on-site for workshops or remotely with teams across Germany, depending on access and collaboration needs.
- Standardize delivery across many repositories
- Diagnose failing builds and unstable agents
- Improve pipeline speed, traceability and resilience
- Establish backup, access and upgrade procedures
What strong professionals bring
The best Jenkins professionals understand more than job configuration. They connect pipeline design with version control, Linux, networking, containers, cloud infrastructure, testing and software supply-chain security. They ask how releases are approved, how secrets are protected and how teams recover when automation fails.
Choosing the right specialist
Review examples of pipeline code, migration plans and operational documentation rather than focusing only on plugin familiarity. Ask how the expert handles shared libraries, plugin updates, credential rotation, failed releases and reproducible builds. Clear communication matters when remote collaboration crosses teams, locations and language preferences.
Frequently asked questions
Not sure where to start with Jenkins? These answers cover the essentials.
Jenkins is used to automate software builds, tests, packaging and deployments. Companies often use it to coordinate delivery across many repositories, environments and approval steps.
Jenkins offers broad customization, a mature plugin ecosystem and control over the execution environment. GitHub Actions and GitLab CI/CD are more tightly integrated with their host platforms, so the best choice depends on repository location, governance, infrastructure and existing skills.
A strong Jenkins expert usually understands Git, Linux, scripting, containers, Kubernetes, cloud infrastructure and automated testing. Knowledge of Maven or Gradle, artifact repositories, Terraform and security controls is also valuable for complete delivery pipelines.
The required depth depends on the work. A small pipeline adjustment may need focused expertise, while a migration, shared-library strategy or controller redesign calls for experience with architecture, security, upgrades and operational ownership.
Jenkins can be managed remotely when repositories, infrastructure and access controls are available to the specialist. For teams in Essen, a mix of remote delivery and on-site workshops can work well, especially when pipeline design requires close coordination with security or operations.
Bring in a Jenkins expert when builds are unreliable, delivery depends on manual steps or the existing setup is difficult to secure and maintain. Freelance support is also useful for migrations, cloud adoption, pipeline standardization and urgent release-process improvements.
Ask for concrete examples of Pipeline code, reusable shared libraries, migration documentation and incident handling. A capable Jenkins professional should explain trade-offs around plugins, credentials, agents, testing, observability and rollback in clear terms.
Jenkins remains suitable when a company needs flexible orchestration across varied tools and infrastructure. With containerized agents, Kubernetes integration, Pipeline as code and disciplined plugin governance, it can support modern delivery while retaining control over the execution environment.
The average hourly rate of freelancers in Essen, Germany who have used Jenkins in their recent projects is 91 €, which corresponds to a daily rate of about 726 € based on an 8-hour working day.
Of the freelancers in Essen, Germany who have used Jenkins in their recent projects, 83% hold at least a Bachelor's degree and 25% hold at least a Master's degree.
On average, freelancers in Essen, Germany who have used Jenkins in their recent projects have 18 years of professional experience, with a single engagement typically lasting around 2.2 years.
The most common languages among freelancers in Essen, Germany who have used Jenkins in their recent projects are German (100%), English (100%), and French (38%).
The most common industries among freelancers in Essen, Germany who have used Jenkins in their recent projects are Information Technology (92%), Banking and Finance (69%), and Insurance (54%).
The most common business areas among freelancers in Essen, Germany who have used Jenkins in their recent projects are Information Technology (100%), Product Development (77%), and Project Management (77%).
Main locations of FRATCH Experts, who have recently used Jenkins
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 
Cologne 
Frankfurt 
Stuttgart 
Dusseldorf 
Dortmund 
Bremen 
Dresden 
Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
