
Gradle Experts in Cologne
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Meet FRATCH Experts in Cologne, who have recently used Gradle
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
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
Jacqueline H.
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
Jacqueline K.
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 S.
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 (Germany: 19 years)

Position duration
1.8 years

Positions per freelancer
8 (Germany: 14)

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% (Germany: 91%)
Master's degree or higher
67% (Germany: 57%)

Certifications per freelancer
3 (Germany: 2)

Most common languages
German, English, Arabic

Speak two or more languages
100% (Germany: 96%)
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 Gradle
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.
Gradle 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 (83%)
- Insurance (67%)
- Banking and Finance (50%)
- Retail (50%)
- Telecommunication (50%)
- Automotive (33%)
- Education (17%)
- Energy (17%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Build setup
Gradle is a build automation tool for JVM and Android work. It compiles code, runs tests, packages artifacts, and manages dependencies through a flexible, scriptable build process. Teams use it for new projects and for migrating from older build setups.
Typical work
- Create and maintain build scripts
- Organize multi-module project structures
- Manage plugins, tasks, and custom build logic
- Tune dependency resolution and build speed
- Support CI pipelines and release packaging
Ecosystem
Strong Gradle specialists work with the Java and Kotlin ecosystem, plus Android Studio, Maven repositories, and CI tools such as Jenkins or GitHub Actions. They know the difference between Groovy and Kotlin DSL, and they choose the right one for the team.
When to hire
Bring in freelance Gradle expertise when builds are slow, unstable, or hard to understand. It also helps during a migration from Maven, when several teams share one build, or when a Cologne-based company needs support for local collaboration while day-to-day build work stays remote.
What good looks like
A strong professional keeps build logic readable, avoids unnecessary custom code, and makes dependency changes predictable. They document task behavior, clean up plugin usage, and leave behind builds that work well for other experts, not just for the person who wrote them.
Common project areas
Gradle appears in backend services, Android apps, shared libraries, internal developer tooling, and release automation. In Cologne, it is common in teams that build Java platforms, enterprise software, and mobile products that need repeatable delivery across environments.
Frequently asked questions
Key details about Gradle, drawn from the questions we get asked most.
Gradle is used to automate builds, tests, packaging, and dependency handling. It is common in Java, Kotlin, and Android projects where teams need flexible build logic and repeatable releases. It can also manage custom tasks for code quality, publishing, and environment-specific packaging.
Gradle is usually chosen when teams want more flexibility and faster, task-based builds. Maven is more declarative and can be easier to standardize, while Gradle gives more control through scripts and plugins. A good freelancer can help you decide whether to keep Maven, move to Gradle, or mix both during a migration.
A strong Gradle specialist should also understand Java or Kotlin, dependency management, CI/CD, and version control. For Android work, Android Studio and the Android Gradle Plugin matter as well. For backend projects, knowledge of multi-module design and publishing artifacts is often important.
Gradle help is worth bringing in when builds are hard to maintain, plugin logic has become messy, or a migration has stalled. It is also useful when teams need better build performance, clearer module boundaries, or a release process that works across several services. That support can be especially helpful for Cologne teams balancing local stakeholders and remote delivery.
Most Gradle work can be done remotely because it centers on source code, build files, and CI pipelines. On-site sessions can help at the start of a migration or when several teams need to align on build rules and release flow. For many companies, a short on-site kickoff followed by remote delivery is enough.
Look for a Gradle professional who can explain build decisions clearly, not just make the build pass. Good signs include readable scripts, sane dependency management, practical use of plugins, and a build that remains maintainable after handover. Ask how they handle caching, task wiring, and multi-module complexity.
Gradle is widely used in Android, but it is much broader than that. It also powers Java and Kotlin backend systems, shared libraries, internal tooling, and release automation. Many teams choose it because the same tool can support both application builds and custom automation tasks.
Before you hire a Gradle specialist, gather the current build files, plugin list, CI configuration, and any pain points your team sees. It also helps to share whether the goal is migration, speed, Android support, or long-term cleanup. Clear access to a sample build and recent failures saves time.
The average hourly rate of freelancers in Cologne, Germany who have used Gradle in their recent projects is 86 €, which corresponds to a daily rate of about 690 € based on an 8-hour working day.
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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