Jenkins Experts in Essen
to automate delivery with vetted, available freelancersHire experts who build Jenkins pipelines, connect source control and cloud tooling, and improve release automation for software teams. FRATCH matches you quickly and precisely with vetted, available freelancers who fit your technical needs.
Meet FRATCH Experts in Essen, who have recently used Jenkins
Christian F.
Last position:
Project Lead & Cyber Security Consultant at Deutsche Börse Gruppe
- Established a cyber resilience framework for AI-accelerated threats in the Frontier AI Threat Endurance (FATE) program: capability assessments, maturity assessments and gap analyses covering cyber security, operational resilience, incident response, recovery and governance, followed by target concepts and improvement measures
- Supported action owners from specification through implementation: implementation roadmaps, decision papers, management presentations and governance reporting, as well as audit- and supervision-ready documentation; managed stakeholders from IT, Information Security, Risk Management, Operational Resilience, Business Continuity and the business units
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.
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
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
Nils S.
Last position:
Backend System and Web Client for Replacing Electricity Meters for Energy Suppliers at Freelance
Design and implementation of a system for controlling the complete process of installing, removing, and replacing electricity meters by external service providers for an energy supplier
Automated retrieval of orders and available devices through defined interfaces (e.g. from SAP)
Orchestration of the process steps (assignment of meters, processing of meter data, transfer of updated information back to the source system) through 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
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
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
19 years
Position duration
2.1 years (Germany: 5.1 years)
Positions per freelancer
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
85% (Germany: 91%)
Master's degree or higher
31% (Germany: 56%)
Certifications per freelancer
3
Most common languages
German, English, French
Speak two or more languages
100% (Germany: 97%)
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 Essen 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 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 29 Oct 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 (93%)
- Banking and Finance (71%)
- Insurance (57%)
- Government and Administration (57%)
- Automotive (43%)
- Energy (43%)
- Healthcare (43%)
- Transportation (36%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Continuous integration
Jenkins is an open-source automation server for building, testing and delivering software. Teams use it to validate code changes, package applications and move releases through controlled environments. Its plugin model lets Jenkins support many languages, repositories, testing tools and deployment targets.
Pipelines and delivery
Jenkins Pipeline defines repeatable delivery workflows as code. Specialists create declarative or scripted pipelines with stages for checkout, compilation, unit testing, security checks, artifact creation and deployment. They also manage approvals, credentials, agents, notifications and recovery paths so releases remain traceable.
- Configure multibranch pipelines for pull requests and branches
- Automate tests, quality gates and artifact publishing
- Deploy services to cloud, containers or virtual machines
- Add approvals, notifications and rollback procedures
Ecosystem and tooling
Jenkins commonly works with Git, GitHub, GitLab, Bitbucket, Maven, Gradle, Docker, Kubernetes and artifact repositories. Strong specialists understand webhooks, credentials, shared libraries, agents and controller security. They can connect Jenkins with observability, ticketing and infrastructure-as-code workflows without turning the pipeline into an unmaintainable script.
When expertise helps
Companies bring in freelance Jenkins expertise when delivery is slow, pipelines have become fragile or a migration needs careful planning. It is useful during cloud adoption, containerisation, repository consolidation and the introduction of reliable release controls. In Essen, local teams may combine on-site workshops with remote pipeline work across distributed product and operations groups.
- Replace manual release steps with repeatable automation
- Upgrade or restructure an established Jenkins environment
- Standardise pipelines across products and repositories
- Diagnose failed builds, queue delays and unstable agents
Security and scale
Jenkins requires disciplined access control, plugin governance and secret handling. Professionals harden controllers, isolate build agents, restrict permissions and keep plugins and dependencies under review. They also design distributed builds with suitable agent capacity, caching and workload separation to keep feedback useful as repositories and teams grow.
Choosing a specialist
Look for evidence of production pipelines, not only familiarity with the Jenkins interface. A strong professional can explain pipeline design, test strategy, Git workflows, container operations and incident recovery in clear terms. Ask for examples of measurable delivery improvements, secure credential handling and documentation that lets an internal team operate the result. Language and working-hour expectations should be agreed early when Essen-based and remote collaboration are combined.
Frequently asked questions
Not sure where to start with Jenkins? These answers cover the essentials.
Jenkins is used to automate software builds, tests and releases. It can react to source-code changes, run quality checks, publish artifacts and deploy applications across development, staging and production environments.
Jenkins offers a broad plugin ecosystem and extensive control over infrastructure, agents and pipeline design. GitHub Actions and GitLab CI/CD are more tightly integrated with their hosting platforms, so the right choice depends on repository location, governance needs, existing skills and the desired operating model.
A strong Jenkins specialist usually understands Git workflows, Linux, shell scripting and automated testing. Docker, Kubernetes, cloud services, Maven or Gradle, artifact repositories, secrets management and infrastructure-as-code are also valuable when pipelines deliver modern applications.
The required level depends on the delivery risk and existing setup. A simple pipeline may need configuration skills, while a shared Jenkins environment with security controls, distributed agents and many teams calls for a professional who has designed and operated comparable systems.
Yes. Jenkins work is often suitable for remote collaboration because pipelines, configuration and logs are accessible through shared repositories and environments. On-site sessions in Essen can still help with discovery, release-process workshops or coordination with teams that operate physical infrastructure.
Review whether the pipelines are readable, repeatable and documented, with clear feedback when a stage fails. A capable specialist also demonstrates secure credential handling, controlled permissions, stable agents, useful tests and a practical plan for maintenance rather than relying on unmanaged plugins or hidden manual steps.
Jenkins can build container images, run checks and deploy workloads to Kubernetes through plugins, command-line tools or declarative configuration. The design should separate build agents from controllers, protect cluster credentials and make deployment status visible to the delivery team.
A Jenkins freelancer should clarify repository hosting, branching rules, deployment targets, test coverage, agent infrastructure and ownership of credentials. It also helps to understand whether the assignment involves new pipeline design, migration from another CI/CD tool or stabilising an environment already used for production releases.
The average hourly rate of freelancers in Essen, Germany who have used Jenkins in their recent projects is 95 €, which corresponds to a daily rate of about 757 € based on an 8-hour working day.
Of the freelancers in Essen, Germany who have used Jenkins in their recent projects, 85% hold at least a Bachelor's degree and 31% hold at least a Master's degree.
On average, freelancers in Essen, Germany who have used Jenkins in their recent projects have 19 years of professional experience, with a single engagement typically lasting around 2.1 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 (43%).
The most common industries among freelancers in Essen, Germany who have used Jenkins in their recent projects are Information Technology (93%), Banking and Finance (71%), and Insurance (57%).
The most common business areas among freelancers in Essen, Germany who have used Jenkins in their recent projects are Information Technology (100%), Product Development (79%), and Project Management (79%).
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.
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Hamburg 
Munich 
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Frankfurt 
Stuttgart 
Dusseldorf 
Dortmund 
Bremen 
Dresden 
Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
