Oracle JDeveloper Experts in Germany
matched in minutes by AIHire experts who build and maintain Oracle ADF applications, Java enterprise services and database-driven business systems, with precise matching to vetted, available freelancers for fast project support.
Meet FRATCH Experts in Germany, who have recently used Oracle JDeveloper
Will O.
Last position:
Solution Architect at Polizei Behörde Stuttgart
Designed a migration strategy for WLS applications to BKA Cloud and Stack IT
Created a hybrid cloud for internal testing and development with Kubernetes
Transformed the IT landscape from an outdated monolithic architecture to a cloud-based architecture
Integrated new CI/CD processes using Azure Pipelines
Quadrupled the processing throughput for personnel security checks
Migrated personnel security screening applications to Docker-based applications
Implemented CI/deployment pipelines using Azure DevOps
Environment: Java Springboot, Kubernetes, Oracle Weblogic, OpenID, Camunda, JUnit, TOGAF
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
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 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Germany 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 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 29 Oct 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
Oracle’s Enterprise IDE
Oracle JDeveloper is an integrated development environment for Java and Oracle technologies. It supports application design, coding, debugging, testing and deployment in one workspace. Its strongest use cases involve enterprise applications built with Oracle Application Development Framework, Java EE and Oracle Database.
ADF Application Work
Oracle JDeveloper is closely associated with Oracle ADF, a framework for building data-rich web applications. Professionals use visual editors, business components, task flows and reusable page fragments to create structured user interfaces. These applications often support finance, procurement, supply chains, customer services and internal operations.
- Design ADF pages and task flows
- Model business services with ADF Business Components
- Connect interfaces to Oracle Database schemas
- Configure validation, security and deployment
Connected Tooling
Strong specialists understand the wider Oracle Java ecosystem, not only the IDE. Their work may include Java, JavaServer Faces, WebLogic Server, REST and SOAP services, Maven, Git and SQL. They also need to trace how application modules, database objects, authentication and deployment settings interact across environments.
When Support Matters
Companies typically bring in freelance expertise when an ADF application needs new modules, a controlled release or careful modernization. Support is also useful when internal teams must resolve legacy code, improve slow pages, document an unfamiliar system or connect Oracle applications with other services. In Germany, projects may involve remote collaboration with distributed teams or on-site work for complex enterprise rollouts.
Choosing the Right Specialist
Look for professionals who can explain the full path from browser interaction to business service and database query. Practical evidence includes maintainable ADF code, clear task-flow design, secure WebLogic deployments and reliable troubleshooting. Experience with an existing Oracle codebase matters because project conventions and integration constraints often shape the solution.
Delivery and Collaboration
A capable Oracle JDeveloper professional starts by mapping the application structure, dependencies and release process. They clarify whether the goal is feature delivery, production support, migration or technical improvement before changing core components. Clear documentation, focused testing and communication in the required project language help teams reduce risk and keep knowledge in-house.
Frequently asked questions
Not sure where to start with Oracle JDeveloper? These answers cover the essentials.
Oracle JDeveloper is used to build, test and maintain Java enterprise applications, especially systems based on Oracle ADF and Oracle Database. It provides visual tooling for user interfaces, business components, workflows, services and deployment configuration.
Oracle JDeveloper is tailored to Oracle technologies and offers integrated support for ADF, WebLogic Server and Oracle database services. General-purpose IDEs such as IntelliJ IDEA or Eclipse may offer broader Java ecosystem support, while JDeveloper can be more practical for an established Oracle ADF codebase.
A strong Oracle JDeveloper specialist usually works comfortably with Java, Oracle ADF, SQL, JavaServer Faces and WebLogic Server. REST or SOAP integration, Git, Maven, authentication and database performance analysis are also valuable for enterprise delivery.
For Oracle JDeveloper work, relevant project experience should match the system’s stack and stage. A professional extending an ADF application should understand its business components, task flows, security model and release process before taking on substantial changes.
Oracle JDeveloper projects can often be handled remotely when source control, environments and secure access are available. On-site collaboration may help with sensitive enterprise systems, workshops or releases, while German or English communication should be agreed with the project team.
Oracle JDeveloper remains relevant when a company operates Oracle ADF applications that require support, integration or controlled enhancement. A specialist can also assess whether selected functions should move toward REST services, newer user interfaces or a broader modernization path.
Ask a Oracle JDeveloper freelancer to explain a comparable ADF system, including its business components, task flows, database access and deployment approach. Review code clarity, testing habits, security decisions and documentation rather than relying only on familiarity with the product name.
Oracle JDeveloper work can involve tightly coupled application layers, legacy conventions and environment-specific configuration. Professionals need patience with existing code, strong debugging skills and the ability to separate a safe incremental fix from a change that could affect business-critical workflows.
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
