Oracle JDeveloper Experts in Germany
in minutes from vetted and available specialists with the power of AIHire experts who work with Oracle JDeveloper, Oracle ADF, Java EE and database-backed enterprise applications. They support new screens, refactoring, integration work and legacy maintenance, with fast, precise matching to vetted, available freelancers.
Meet FRATCH Experts in Germany, who have recently used Oracle JDeveloper
Will Orrantia
Last position:
Solution Architect at Stuttgart Police Authority
Designing the migration strategy for WLS applications to the BKA cloud and Stack IT
Creating a hybrid cloud for internal testing and development with Kubernetes
Transforming the IT landscape from a legacy monolithic architecture to a cloud-based architecture
Integrating new CI/CD processes using Azure Pipelines
Quadrupled the throughput of personnel security checks
Migrated personnel security clearance applications to Docker-based applications
Built CI/deploy pipelines with Azure DevOps
Environment: Java Spring Boot, Kubernetes, Oracle WebLogic, OpenID, Camunda, JUnit, TOGAF
Werner Keil
Last position:
Test Coordinator, Designer and Engineer at IBM
- Testing the SekIDP and related components
- Test design, execution and automation, microservices, GitHub Enterprise, Eclipse, Katalon Test Platform, API Testing, Confluence 8, JIRA/Xray, Draw.io, Swagger/OpenAPI, Postman, Docker, Kubernetes, Podman, PuTTY, E-Health, Telematik, Gematik standards, EPA, E-Rezept, sektoraler IDP, encryption, XaDES, PaDES, DICOM, HL7, FHIR, IHE, ICD, SSO, SAML/Shibboleth, OAuth, smartcards, JWT, two factor authentication Android and iOS, Wireshark, BrowserStack, Cypress, gRPC, REST, SOAP, WS-Security, Linux Shell, PowerShell, SSH/SSL, Java, Kotlin, Cordova, Gradle, Groovy, Python, TypeScript
Achille Chimi
Last position:
Backend/Frontend Developer at ITZ-Bund
Development of a microservice application for calculating postings on accounts
Development of backend components with Java or JEE, Quarkus, Kafka, Rest API
Development of the test component with mocking frameworks (Mockito)
Development of integration test components
Creation of OpenAPI specification format
Configuration of CI/CD pipeline
Development of frontend components with React
Design, further development and optimization of system structures
Code review
Java Corretto 21, JEE, Quarkus, Golang
Reactive programming with Spring WebFlux, Project Reactor
Git, Azure DevOps for CI/CD pipeline, YAML, Json Swagger UI, Postman, Rest OpenAPI, Kafka Streams, Kafka Connect, Log4J
Microservices, Jira, Confluence, MySQL, Docker, Kubernetes (deployment via Helm charts)
Spring Security, OAuth 2, JWT, Sonarqube
IntelliJ, Maven, logging framework Splunk, Agile method Scrum, Nexus, Vaadin V24, build tool Vite
React, React.JS, Node.js, Jess/JavaScript, Tailwind CSS, Agile method Scrum, accessibility BITV, Playwright
Nikhil Gyamlani
Last position:
Co-founder / Solution Architect at Lima Care GmbH
- Developed a comprehensive business concept for a medical fall detection device based on a patented process registered in Germany
- Identified and collected use cases for medical device deployment in residential buildings and healthcare provider facilities
- Expanded the product scope to industry standards such as HL7/FHIR and designed a product based on modern communication protocols for IIoT
- Supported offshoring activities, defined SLA and scope-of-work documents for development teams after selecting various vendors
- Identified and selected hardware components (Terrabee, E-Con Systems) for LIDAR/TDOA functions
- Defined integrated AI features and LLM models for patient fall detection as well as AI-based audio triggers
- Oversaw the implementation of algorithms for object detection, fall detection, and false alarm identification
Thomas Jahn
Last position:
Test Manager at Hamburger Energienetze GmbH
- Method: none
- Environment: ERP, S4/Hana, Confluence, Jira, Xray, SAP Solution Manager, Tosca
- Created the test concept for the migration from ERP to S/4HANA
- Created manual test cases and test plans for the acceptance test
- Coordinated tests between the business testers
- Test automation with Tosca
- manual testing
Younes Hadrous
Last position:
Senior Backend Developer at PTA
- Development and maintenance of database-driven applications for managing supplier and food contracts, using Oracle PL/SQL extensively for complex business logic and data processing
- Optimization of PL/SQL procedures, functions, and triggers to ensure the performance and scalability of Oracle database solutions
- Ensuring adherence to best practices in PL/SQL development and implementing standards for code quality and data integrity
- Close collaboration with backend and frontend teams to ensure seamless integration between the Oracle database, C#-based APIs, and Azure cloud services
Gerhard Haunstetter
Last position:
Application Developer at Lila Logistik
- Supported the application
- Developed applications in COBOL
- Extended customer and in-house requirements
- Assisted in ensuring smooth operation
- Methods/tools: COBOL, HP3000, MPE/XL operating system, IMAGE database, Whisper (development interface)
Andreas Lietschulte
Last position:
Founder at Genloop
- Development of an Eclipse-based UML modeling and code generation platform
Radovan Reclo
Last position:
Development and Technical Architecture at HDI
Web application for contract changes
Micro-frontend development from scratch to production with reactive forms foundation, responsive web design, validation, multilingual support, accessibility, unit tests and component tests
Technologies: Angular 19-20, Nx, Angular CLI, Native Federation, TypeScript, HTML, SASS, Tailwind CSS, Angular Material, Reactive Forms, RxJS, Signals, PDF-Make, ng-openapi-gen, i18n, JSON Server, REST, JWT, Jest, Playwright, IntelliJ, Git, CI/CD with GitLab, Cloud Foundry, Nginx; Scrum
Janusz Mazurek
Last position:
IoT Edge Computing / Self-Driving-Cars at Automotive consulting company
- Platform: Python ecosystem, RHEL 8, K10, AWS IoT Core, AWS Lambda, MLOps
- Software: Java JEE/cloud, IntelliJ IDEA, AWS IoT Core, AWS Edge and Lambda, AWS SageMaker SDK, Docker Compose, Kubernetes, OpenShift 4, Tekton, Flux, Helm charts, JSON/XML technology, Nginx, Apache Spark, OpenAI (GPT Plus, DALL-E 3, Whisper), GAN, GitHub Copilot, AI/machine and deep learning, Jupyter notebooks, TensorFlow 2, Colab, Keras API, Prometheus, Grafana, Conda, Python 3.9, PySci stack (NumPy, pandas, Scikit-learn, matplotlib)
- Responsible for webinar:
- IoT edge computing: architecture, components, resources, management
- IoT edge computing with MicroK8s, designing and creating flows/diagrams for AWS, three-step model for IoT ecosystem
- IoT processes, connectivity, data transfer and deployment, security
- Optimization of edge computing for IoT networks and services (AWS SQS queue, SNS notifications, events, analytics, buttons, device management/defender, Things Graph)
- Machine/deep learning frameworks (models, training, pipeline optimization, deployment in the cloud/at the edge (OpenShift), monitoring workloads with Prometheus and Grafana)
- Performance optimization for low latency/resilience using adaptive ML/DL/RL models for customer IoT data
- Analysis of large sensor data sets with Apache Spark, Kafka clusters
- Kasten K10 data management platform on Kubernetes multi-cluster with Helm chart, deployment, backup/disaster recovery (RTO/RPO), data lifecycle and security management
- Implementation of multilayer artificial neural network (ANN) with TensorFlow 2 and Colab for regression and classification; data analysis and provisioning for applications; development of models for testing and training, deployment of models
- Automation of business streamline processes with AI (Azure OpenAI, Discord bots/Zapier apps AI assistants (IntelliJ, GitHub Copilot))
Eric Ndengang Foyet
Last position:
Data Engineer at Creditsafe Deutschland GmbH
Max Janzen
Last position:
Demand Manager in Agile Projects at Automotiv
- Project coordination/project management
- Requirements management, process consulting, analysis of requirements, architecture – build-up and further development of an analytics platform (BI)
- Consulting and support in defining and implementing demand processes
- Requirements gathering / capture -> analysis and specification -> tracking and preparation for acceptance
- Preparation of test specifications and test execution
- Prioritization of requirements with customers
- Ensuring compliance with UX design guidelines.
- Specification of epics (use cases) and user stories
- Preparation, execution and evaluation of requirements and project workshops with the business area.
- Transfer of requirements into PI / sprint planning (SAFe)
- Project documentation
- Process documentation and modeling (UML / BPMN)
- Coordination and documentation of IT security measures (NIST)
- Coordination and documentation of SW architecture
- Use of AI models for text analysis (topic classification, summarization, sentiment analysis)
- MS Office, Enterprise Architect; Arch42 Confluence (Balsamiq, DrawIO, Gliffy for UML and BPMN); Jira (Agile, Plan, Structure, SAFe); Tableau
Discover over 15,000 top freelancers
Statistics of experts using Oracle JDeveloper
Aggregated from the professional profiles of matched freelancers.
Experience
24 years
Position duration
2 years
Positions per freelancer
20
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Banking and Finance, Insurance
Certification focus areas
Information Technology, Operations, Product Development
Bachelor's degree or higher
70%
Master's degree or higher
60%
Certifications per freelancer
4
Most common languages
German, English, French
Speak two or more languages
92%
Based on our profile pool as of 30 Aug 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Germany 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 Germany using Oracle JDeveloper
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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
Oracle JDeveloper use
Oracle JDeveloper is Oracle’s IDE for building enterprise Java applications, often with Oracle ADF, SOA, and database-driven business logic. Companies use it for internal portals, workflow-heavy systems, and tools that need close integration with Oracle software. It is common in long-lived enterprise environments where stability and traceable changes matter.
Core skills
Strong professionals know how to work across the full JDeveloper stack, not just the editor.
- Oracle ADF pages, components, and bindings
- Java EE, web services, and integration layers
- SQL, PL/SQL, and Oracle Database access
- Build, deployment, and application troubleshooting
When to bring help
Freelance expertise is useful when a team needs to modernize an older JDeveloper solution, fix broken ADF flows, or speed up delivery on a complex Oracle-based system. Specialists also help when internal experts are tied up with support work or when a project needs someone who already knows the Oracle stack. In Germany, this is often relevant for enterprise teams that prefer experienced, remote-capable support with clear communication.
What good experts do
A strong Oracle JDeveloper specialist reads existing code quickly, understands the data model, and keeps changes safe. They work well with ADF view layers, managed beans, service calls, and deployment settings. They also document clearly so handover stays simple for your team.
Typical project work
- Extend or repair Oracle ADF applications
- Migrate or clean up older JDeveloper code
- Connect applications to Oracle databases and services
- Support release testing and production fixes
Ecosystem fit
Oracle JDeveloper is usually part of a wider Oracle environment, so experience with ADF, WebLogic, SOAP or REST services, and Oracle Database is valuable. Many projects also touch authentication, reporting, and legacy integration points. In Germany, on-site workshops can help at the start, but day-to-day delivery is often easy to run remotely.
Frequently asked questions
Not sure where to start with Oracle JDeveloper? These answers cover the essentials.
Oracle JDeveloper is used to build and maintain enterprise applications, especially when the stack includes Oracle ADF, Oracle Database, and Java-based business logic. It often appears in internal portals, workflow applications, and integration-heavy systems where stability matters more than flashy frontend work.
JDeveloper is a good fit when a company already relies on Oracle ADF or other Oracle-specific tooling. Eclipse and IntelliJ IDEA are broader general-purpose IDEs, but they do not replace the Oracle integration and ADF support that many JDeveloper projects depend on.
A strong Oracle JDeveloper specialist usually brings Java EE knowledge, SQL and PL/SQL skills, and experience with Oracle ADF. Web services, WebLogic, and Oracle Database administration basics are also useful when the application sits deep in an Oracle environment.
Many teams bring in Oracle JDeveloper help as soon as they face legacy code, ADF binding issues, or a release that touches critical business flows. If the application is small and well documented, lighter support may be enough; if it is layered and older, deeper product knowledge pays off.
Yes, Oracle JDeveloper work is often remote-friendly because most tasks involve code, configuration, and testing rather than hardware access. For teams in Germany, short on-site sessions can still help at the beginning of a migration, a handover, or a complex troubleshooting phase.
Look for someone who can explain how Oracle JDeveloper applications are structured, not just how to edit files. Good signs are clear handling of ADF layers, safe changes to existing logic, clean deployment steps, and practical communication about risks and dependencies.
The most common issues are unclear ADF bindings, outdated deployment settings, hidden dependencies on Oracle components, and code that only a few people understand. A seasoned Oracle JDeveloper specialist can trace those issues quickly and make the system easier to maintain.
Before accepting a JDeveloper assignment, a freelancer should check the Oracle version, the ADF setup, the build and deployment process, and how much source code is still actively maintained. It also helps to know whether the team needs support for new features, fixes, or long-term cleanup.
The average hourly rate of freelancers in Germany who have used Oracle JDeveloper in their recent projects is 95 €, which corresponds to a daily rate of about 760 € based on an 8-hour working day.
Of the freelancers in Germany who have used Oracle JDeveloper in their recent projects, 70% hold at least a Bachelor's degree and 60% hold at least a Master's degree.
On average, freelancers in Germany who have used Oracle JDeveloper in their recent projects have 24 years of professional experience, with a single engagement typically lasting around 2 years.
The most common languages among freelancers in Germany who have used Oracle JDeveloper in their recent projects are German (100%), English (92%), and French (17%).
The most common industries among freelancers in Germany who have used Oracle JDeveloper in their recent projects are Information Technology (100%), Banking and Finance (83%), and Insurance (67%).
The most common business areas among freelancers in Germany who have used Oracle JDeveloper in their recent projects are Information Technology (100%), Product Development (92%), and Project Management (67%).
Main locations of FRATCH Experts, who have recently used Oracle JDeveloper
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 Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg Request a free demo
Get in touch with the FRATCH team and we will get back to you within 4 hours.
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Philipp Thomaschewski
FRATCH CEO
