Oracle JDeveloper Experts in Germany
for Oracle applications, matched in minutes with vetted freelancersHire experts who build and maintain Oracle ADF applications, Java EE services and database-driven enterprise systems with Oracle JDeveloper. FRATCH connects you with precise matches from vetted, available freelancers quickly.
Meet FRATCH Experts in Germany, who have recently used Oracle JDeveloper
Younes H.
Last position:
Senior Backend Developer at PTA
- Development and maintenance of database-driven applications for managing supplier and food contracts, with extensive use of Oracle PL/SQL 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 compliance with best practices in PL/SQL development and implementing standards for code quality and data integrity
- Close collaboration with backend and frontend teams to ensure smooth integration between the Oracle database, C#-based APIs, and Azure cloud services
Will O.
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 K.
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 C.
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 G.
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 J.
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
Radovan R.
Last position:
Development and Technical Architecture at HDI
Web application for contract changes
Micro frontend development from scratch through production with a Reactive Forms basis, 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
Gerhard H.
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 L.
Last position:
Founder at Genloop
- Development of an Eclipse-based UML modeling and code generation platform
Janusz M.
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 N.
Last position:
Data Engineer at Creditsafe Deutschland GmbH
Max J.
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 19 Sep 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 19 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Oracle JDeveloper 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 (100%)
- Banking and Finance (83%)
- Insurance (67%)
- Government and Administration (67%)
- Automotive (58%)
- Transportation (58%)
- Retail (58%)
- Aerospace and Defense (42%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Purpose and scope
Oracle JDeveloper is Oracle’s integrated development environment for building Java-based enterprise applications. It supports Oracle ADF, Java EE components, web interfaces and database-focused systems. Teams use it when application logic, user interfaces and Oracle data services must work together in one managed development environment.
Oracle ecosystem
The tool is closely connected to Oracle ADF, ADF Business Components, Java, Java EE and Oracle Database. Depending on the project, professionals also work with WebLogic Server, Maven, Git, REST services, SOAP interfaces and SQL. This ecosystem supports structured applications with shared security, data access and deployment practices.
Typical deliverables
- Oracle ADF applications with task flows, bounded flows and reusable page fragments
- Business components that expose Oracle data through consistent application services
- Java and Java EE modules for enterprise workflows and integration
- REST or SOAP connections to surrounding systems
- Deployment configurations for Oracle WebLogic Server
When expertise matters
Companies often bring in freelance Oracle JDeveloper specialists during application modernisation, feature delivery or production support. Expertise is valuable when an existing ADF codebase has to be understood quickly, when Oracle Database processes need a dependable interface, or when releases must be stabilised without disrupting business operations. In Germany, this work may involve remote collaboration across locations as well as on-site coordination with internal Oracle teams.
Skills around JDeveloper
Strong professionals combine JDeveloper knowledge with Java, SQL, Oracle Database design and enterprise integration. They understand ADF lifecycle behaviour, bindings, validation, security and performance concerns rather than treating the IDE as an isolated tool. Experience with WebLogic deployment, source control, automated builds, testing and troubleshooting helps turn a working feature into a maintainable release.
Choosing a specialist
Look for someone who can explain the existing application structure, identify where ADF, Java and database responsibilities belong, and show how changes will be tested. A useful review includes deployment knowledge, integration decisions and a clear approach to legacy code. For German projects, confirm communication expectations early, especially when business stakeholders and technical teams use different working languages.
Frequently asked questions
Not sure where to start with Oracle JDeveloper? These answers cover the essentials.
Oracle JDeveloper is used to create Java-based enterprise applications, especially systems built with Oracle ADF and Oracle Database. It supports user interfaces, business services, integrations and deployment workflows for applications that run on Oracle WebLogic Server.
A strong Oracle JDeveloper specialist chooses it for its close integration with Oracle ADF, Oracle Database and WebLogic Server. General-purpose IDEs such as IntelliJ IDEA or Eclipse can offer broader Java tooling, while JDeveloper can be more efficient when a project depends heavily on Oracle’s application framework.
An experienced Oracle JDeveloper professional usually brings Java, SQL, Oracle Database and enterprise integration skills. Knowledge of ADF Business Components, Java EE, REST, SOAP, WebLogic Server, Git and automated build processes is also useful.
The required depth depends on the application’s age, complexity and operational risk. Oracle JDeveloper work on an established ADF system calls for someone who can trace bindings, task flows, business components and deployment issues, while a smaller feature may need a narrower specialist profile.
Yes, many Oracle JDeveloper tasks can be completed remotely when repositories, test systems and secure database access are available. On-site sessions can still help with architecture workshops, release coordination or knowledge transfer, and German or English communication should be agreed with the team.
An Oracle JDeveloper freelancer may deliver ADF pages, task flows, business components, Java services, database integrations or WebLogic deployment changes. They should also provide tests, technical notes and a clear explanation of configuration or code changes.
Ask how the specialist diagnoses slow pages, binding errors, failed deployments and database-related defects in Oracle JDeveloper applications. Strong answers connect symptoms to the ADF lifecycle, application logs, SQL behaviour and release controls instead of relying only on trial and error.
Oracle JDeveloper remains relevant when a company operates an ADF or Oracle-focused application that needs maintenance, extensions or controlled modernisation. A specialist can also assess whether selected services should move toward REST-based integrations or a different Java toolchain without losing essential business functionality.
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
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Philipp Thomaschewski
FRATCH CEO
