Gradle Experts in Cologne
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Meet FRATCH Experts in Cologne, who have recently used Gradle
Jyothikrishna Satheesan
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
Jacqueline Haefke
Last position:
Kitchen Appliance Manufacturer
Setting up and enhancing an international subscription management system
Migrating and decommissioning a Hybris-SAP system and integrating Zuora
Implementing numerous interfaces to various systems (external and internal)
Setting up and improving monitoring with Grafana, Prometheus, and Databricks
Introducing logging with Loki
Implementing business requirements using jQuery, Thymeleaf, Spring Boot, Java, Go, and Python
Adjusting and extending the GitLab CI pipelines
Setting up and extending infrastructure as code with Terraform and ArgoCD on AWS
Setting up and running E2E and performance tests
Expanding the Databricks business intelligence solution to provide various KPIs
Responsibilities: Architecture, DevOps, development, unit tests, coaching employees and apprentices, E2E, smoke, and integration tests, agile methods consulting (Kanban, Scrum)
Technologies and methods: Java, Go, Kotlin, Node.js, Spring Boot, SOAP/REST, Quarkus, Thymeleaf, Vaadin, Slack, Jira, Confluence, IntelliJ, GitLab, SQS, Kafka, AWS, Kubernetes, Terraform, Maven, Gradle, GitLab CI, Databricks
Last position:
Rewe Digital
- Creation of Spring Boot integration tests
- Creation of JUnit tests for the coupon system
- Creation of component tests for Kafka topics
- Creation of CI/CD pipeline scripts
- Creation of UI tests with Playwright
- Creation of UI tests with Cypress
- Review of developer unit tests
- Planning the test architecture for integration tests
- Creation of the test automation concept
- Evaluation and creation of test reports
Allal Kharaz
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
Jacqueline Krech
Last position:
OTTO
- Design, development, and monitoring of microservices
- Migrating functions from a monolithic system into separate microservices
- Designing and implementing new microservices (backend and frontend)
- Setting up and maintaining a CI/CD pipeline (GitHub Actions)
- Configuring cloud infrastructure with AWS CDK and Terraform
- Designing and implementing event-driven communication with AWS SNS/SQS and Apache Kafka
- Ensuring code quality through Test Driven Development (TDD), static code analysis, and Clean Code
Sara Schönherr
Last position:
Senior Software Developer with a Focus on UI/UX at vGen GmbH
Development of an interactive prototype for the concept of an AI-supported Enterprise Architecture Management tool. The goal was to present complex relationships between IT systems, business processes, and departments in a way that is easy to understand and to support decision-making in the context of IT transformations.
The prototype combined data-driven analyses with guided questions and interactive visualizations. A central part was the integration of a RAG process to provide domain-specific EAM knowledge in context. The focus was on quick idea validation, user-centered interaction design, and the technical feasibility of a scalable overall concept.
Design, implementation, and validation of a RAG process for domain-specific EAM knowledge with Python, LangChain, and graph/vector databases (Neo4J, Milvus)
Business and technical requirements analysis as well as definition of an MVP
Development of the architecture and technology concept using Angular, Spring Boot, GraphQL, and Kubernetes
Design of an interaction concept and creation of a brand style guide with Figma
Development of interactive prototypes with Angular, Konva.js, and TypeScript
Integration of CI/CD processes with GitLab CI/CD
Discover over 15,000 top freelancers
Statistics of experts using Gradle
Aggregated from the professional profiles of matched freelancers.
Experience
13 years
Position duration
1.8 years
Positions per freelancer
8
Top business areas
Information Technology, Quality Assurance, Product Development
Top industries
Information Technology, Insurance, Banking and Finance
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
100%
Master's degree or higher
67%
Certifications per freelancer
3
Most common languages
German, English, Arabic
Speak two or more languages
100%
Based on our profile pool as of 30 Aug 2026.
About the technology
Build automation
Gradle is a build automation tool used for Java, Kotlin, Android and many JVM-based systems. It handles compilation, testing, packaging and release tasks in a repeatable way. Strong professionals shape build logic so delivery stays predictable across local machines and CI.
Common work
- Create and clean up Gradle build scripts
- Migrate from Maven or older build setups
- Add multi-module structure and shared conventions
- Configure test, lint and packaging tasks
- Stabilize builds in CI pipelines
DSL and plugins
Gradle projects often use the Groovy DSL or the Kotlin DSL. Experts also work with custom plugins, dependency management, version catalogs and wrapper setup. They know how to keep build logic readable without turning it into a maintenance burden.
When to hire
Companies bring in freelance Gradle specialists when builds get slow, brittle or hard to understand. The need often appears during product growth, dependency upgrades or Android and backend modernization. In Cologne, this is common for teams that want focused help without long onboarding.
Strong signals
A strong professional can explain why a task belongs in the build, the plugin or the application code. They watch for cache-friendly configuration, clear module boundaries and safe dependency resolution. They also know how to debug failures from the command line and in CI.
Team fit
Gradle work can be done remotely or on site, depending on the team and the release process. For Cologne-based companies, clear communication matters when builds support local product teams, shared services or distributed delivery. Good specialists document changes so the next handover is simple.
Frequently asked questions
Key details about Gradle, drawn from the questions we get asked most.
Gradle is used to automate build, test, package and release steps for Java, Kotlin, Android and other JVM projects. It is especially useful when teams need flexible build logic, custom tasks or multi-module setup. Many companies also use Gradle to standardize CI behavior across services and apps.
Gradle is usually chosen when teams want more flexible build logic and faster iteration on complex projects. Maven is more opinionated and can be easier for very simple setups, but it becomes rigid when the build needs custom behavior. A good specialist will explain which parts should stay in Gradle and which should move into code or pipeline steps.
Gradle help is worth bringing in when builds are unstable, slow or hard to change safely. It also makes sense during a Maven migration, an Android project cleanup or a major dependency upgrade. If CI is failing in ways that are hard to trace, a specialist can usually narrow the problem quickly.
A strong Gradle expert often knows Java or Kotlin, dependency management, CI pipelines and testing tools. On Android projects, Android build variants, flavors and signing are common too. For backend systems, multi-module design and release packaging matter more.
Not always, but Gradle changes can affect the whole build, so even small tasks need care. Simple scripting edits are one thing; plugin design, dependency resolution and CI troubleshooting are another. For anything touching release flow or shared build logic, deeper experience pays off.
Yes, Gradle work is often done remotely because most tasks live in the build files, CI logs and source control. On-site work in Cologne can help during migration workshops, build troubleshooting sessions or fast alignment with local teams. The key is clear access to repositories, pipelines and release context.
Look for a Gradle specialist who keeps build logic simple, uses the wrapper correctly and avoids hidden complexity in scripts. Good signs are clean module boundaries, readable plugin use and stable CI behavior after the change. They should also explain trade-offs clearly, not just edit files.
No. Gradle is the build tool itself, while Gradle Kotlin DSL is one way to write its build scripts. Some teams still use the Groovy DSL, and a good freelancer should be comfortable with both. The right choice depends on team habits, existing code and how much structure the build needs.
Of the freelancers in Cologne, Germany who have used Gradle in their recent projects, 100% hold at least a Bachelor's degree and 67% hold at least a Master's degree.
On average, freelancers in Cologne, Germany who have used Gradle in their recent projects have 13 years of professional experience, with a single engagement typically lasting around 1.8 years.
The most common languages among freelancers in Cologne, Germany who have used Gradle in their recent projects are German (100%), English (100%), and Arabic (17%).
The most common industries among freelancers in Cologne, Germany who have used Gradle in their recent projects are Information Technology (83%), Insurance (67%), and Banking and Finance (50%).
The most common business areas among freelancers in Cologne, Germany who have used Gradle in their recent projects are Information Technology (100%), Quality Assurance (83%), and Product Development (67%).
Main locations of FRATCH Experts, who have recently used Gradle
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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