Oracle APEX Experts in Germany
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Meet FRATCH Experts in Germany, who have recently used Oracle APEX
Olaf Taesch
Last position:
BI Architect in a Kanban Team at Gulp / Randstad for HHLA
- Creation of automated tests.
- Extension of the functionality of the enterprise BI data warehouse.
- Design and development in SQL and PL/SQL.
- Data modeling as well as performance measurement and tuning.
- Creation of and contribution to user stories and concepts.
- Technical environment: Windows, Linux.
- Database: Oracle 19c incl. DWH, CDB, PDB.
- Tools: Confluence, CVS, Eclipse, Git, GitLab, Jira, N4, PL/SQL, SQL Developer, utPLSQL.
Michael Ternes
Last position:
ETL Developer at Insurance service provider
DWH for customer and financial data
- Extension of the DWH with new data sources
- Report development
- Data quality management
Methodology: Scrum
Tools: Atlassian Confluence & Jira
Databases: Microsoft SQL Server
Programming languages: SQL, T-SQL
ETL: Microsoft SQL Server Integration Services (SSIS)
Frontend platform: PowerBI, Microsoft Reporting Services
Polina Schulz
Last position:
Data Migration Lead – Process Automation, Data Engineering & Reporting at Large Public-Sector Bank
Configured and automated data extracts from Oracle databases, achieving 100% data accuracy in a critical migration project, significantly reducing manual errors and accelerating the migration timeline.
Designed and implemented interfaces with Order Management Systems (OMS), enabling seamless and automated data exchange and improving operational efficiency through faster, error-free order processing across business units.
Developed and deployed data extraction workflows to support regulatory compliance and customer reporting, ensuring timely delivery of key reports, reducing manual effort, and increasing customer satisfaction.
Rodrigue Kelen-Yo
Last position:
Fullstack Development at Bavarian State Office of Taxes
- Performed an as-is analysis of the existing Oracle application Express Admin interface
- Created a requirements analysis for the React admin interface to be developed
- Developed the new VAT admin interface using React and TypeScript (frontend) as well as Java 17, Spring Boot, and Hibernate (backend)
- Conducted final training, including training materials, to transfer knowledge to the client’s employees and ensure they can independently maintain and extend the software
- Produced detailed technical documentation
- Tools: KONSENS-AppKit, SPA, React, TypeScript, REST API, unit testing, Java, JavaScript, Node, HTML5, CSS3, UI/UX, Spring Boot, OpenAPI, JSON, Oracle DB, GitHub CI/CD, Playwright, UML, Gradle
Heiko Mock
Last position:
Project Manager at PAYBACK
- Directed a global marketplace implementation project, coordinating teams across three continents.
- Served as a proxy to the overall Project Manager, ensuring seamless alignment between local and central stakeholders.
- Acted as the German-speaking lead to maintain clear communication with the client.
G Purushothm
Last position:
Oracle Apps Technical Consultant, Oracle EBS to Oracle Fusion SCM Migration Specialist at LTIMindtree India PVT LTD.
- Client: Terex Corporation
Marcus Kühl
Last position:
Senior Software Developer (APEX) at Various
- Further development and tuning of a medium-sized application for managing events and participants
- Identification of bottlenecks
- Adding missing foreign keys and indexes
- Reprogramming views and SQL queries in APEX
- Report development with Jasper Reports
- Mentoring other APEX developers
Hans Lindeman
Last position:
Requirements Engineer at REWE Systems GmbH
- Gathering requirements from business units and stakeholders
- Organizing and running workshops
- Creating and supporting user stories (from refinement to rollout) and mapping
- Facilitating Scrum ceremonies
- Identifying and analyzing optimization potentials like the REWE Pick&Go app
- Moderation and communication with service providers
- Requirements engineering in connection with external systems
- DWH/BI solution: loyalty reporting with MicroStrategy
- ITIL (framework for IT service delivery)
- Quality assurance (quality gates) based on ISTQB
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
Dalia Cananau
Last position:
Oracle Developer at Freelance
- Design and implementation of an OCI-based data warehouse and ETL system to replace legacy mainframe applications
- Developed a database optimization strategy and planned the rapid conversion of JCL and COBOL routines to PL/SQL using AI
- Developed an Oracle Apex-based app for internal administrative processes in the public sector (office equipment, staff training)
- Implemented PL/SQL workflows for approval processes and created a responsive mobile version with JavaScript and CSS
- Used Azure DevOps for backlog management and documentation, and Git for version control
- Developed REST interfaces to CRM systems
- Replaced and reprogrammed Oracle Forms screens with Oracle Apex and updated to the latest Apex versions
- Designed a Git branching strategy and conducted code reviews
- Maintained and further developed an EDI-based data exchange system based on Oracle Advanced Queuing for the public sector in Austria
- Performed data analysis and created charts in the Oracle Apex frontend; installed standalone ORDS and Apex 23.1
- Worked agile using the Spotify model; developed complex Apex pages with support from Oracle JET
- Rebuilt and customized existing PL/SQL packages, created workarounds for database version differences, and optimized queries
- Developed Apex applications for broker pools to manage and optimize Oracle databases in the banking environment, including SSO-based authorization systems with OAuth2 and Keycloak
- Built extensive Oracle Apex applications for BI and data mining modernization projects and developed manual and automated projection methods in the frontend
- Carried out data warehousing projects in the banking sector and used Scrum and Kanban in team projects
Joachim Bleichert
Last position:
Oracle Consulting and Development at Berufsgenossenschaft Nahrungsmittel & Gastgewerbe (BNG)
- Development and consulting of various web applications for data preparation and distribution using Oracle databases and PL/SQL
- Technologies: Oracle 19, Oracle PL/SQL, Oracle APEX
Andreas Kosubek
Last position:
Backend Developer at Univention GmbH
- Developed a SCIM-compliant Python interface to connect external systems
- Expanded and enhanced UCS modules in Python
- Extended and newly developed Helm charts for container orchestration in Kubernetes
- Maintained and further developed CI/CD pipelines in GitLab
- Implemented automated tests with Pytest and Playwright
'Nubus' is based on a microservice architecture, relies on open source technologies, and runs in Docker containers.
UCS is an IAM complete solution based on Debian, used as an alternative to Microsoft's Active Directory. The work was characterized by the close integration of infrastructure and application logic.
Adrian Hollay
Last position:
Interim Consultant for Oracle Database Migrations to the AWS Cloud at Bank Deutsches Kraftfahrzeuggewerbe GmbH
- Migration of Oracle databases from on-premise to the AWS Cloud
- Support for technical Oracle solutions and cloud database infrastructures (IaaS and PaaS) RDS vs. EC2, sizing for performance
- Creation and maintenance of DR/HA (Disaster Recovery/High Availability) and backup and recovery policies and procedures (multi-region backup)
- Support for Oracle license selection, Enterprise → Standard migration
- Monitoring database instances
- Implementation and maintenance of database security (wallet, SSL)
- Patch management and version control
- Automated installation and configuration of Oracle databases using Terraform and Ansible
Stefan Wolff
Last position:
Project team member at Environmental service provider
- Implementation and maintenance of an order management system
- RDBMS Oracle 19c
- Oracle Forms/Reports 12c/14c
- Oracle SQL
- XML processing
Michael Gottfried
Last position:
IT Service Manager at REWE Digital
- Management and administration of the TOPdesk ticketing system for efficient handling of incidents and service requests within IT Service Management (ITSM)
- Implementation and management of new features in the system for continuous process optimization
- API integration and automation (Freemarker Java Markup Language, FIQL queries) for flexible and efficient system customizations
- Development and code implementation using GIT and Visual Studio Code / Secure Shell for stable, secure, and versioned code
- Automated data imports with action sequences to reduce manual processes and increase efficiency
- Performance optimization in the TOPdesk system: introduced an automated ticket distribution function, reducing execution time from 5 minutes to 30 seconds
- Interface implementation between JIRA and TOPdesk for seamless integration of projects and processes
- Co-development of the TOPdesk–Salesforce–SD-Jira integration to improve the customer service experience
- Collaboration on the loyalty program (Rewe Bonus) to enhance customer satisfaction and loyalty
- Support for company-wide ServiceNow rollout: user and role management, upgrade set configuration, creation and customization of transform maps including the definition of coalesced fields
- Development of a temporary interface between ServiceNow and TOPdesk to ensure data consistency and transition processes
Discover over 15,000 top freelancers
Statistics of experts using Oracle APEX
Aggregated from the professional profiles of matched freelancers.
Experience
23 years
Position duration
2.6 years
Positions per freelancer
15
Top business areas
Information Technology, Product Development, Business Intelligence
Top industries
Information Technology, Government and Administration, Banking and Finance
Certification focus areas
Information Technology, Business Intelligence, Project Management
Bachelor's degree or higher
93%
Master's degree or higher
67%
Doctorate
13%
Certifications per freelancer
3
Most common languages
German, English, French
Speak two or more languages
100%
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 APEX
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 APEX in practice
Oracle APEX, also known as Oracle Application Express or APEX, is used to build data-driven business apps on top of Oracle Database. It fits internal tools, self-service portals, approvals, and reporting apps where speed and close database integration matter. Good work is practical, stable, and easy to maintain.
Typical deliverables
- Forms and workflows for finance, operations, and HR
- Reporting dashboards with filters and drill-downs
- CRUD apps for master data and case handling
- Approval flows and role-based screens
- Secure interfaces to Oracle and non-Oracle data sources
Ecosystem and stack
Oracle APEX specialists work with SQL, PL/SQL, REST services, Oracle REST Data Services, authentication, and page processes. They often tune queries, shape data models, and connect APEX to existing Oracle landscapes. Strong professionals understand session state, app architecture, and how to keep pages fast and simple.
When companies bring in help
Many teams need freelance Oracle APEX expertise when an internal app must be delivered quickly, when an old APEX solution needs cleanup, or when a release is blocked by complex database logic. In Germany, this often comes up in enterprises and mid-sized firms with Oracle-based systems and strict security needs.
What strong specialists do
A strong Oracle APEX professional does more than build screens. They design clean data access, keep validation and authorization where they belong, and avoid fragile page logic. They also document changes clearly so future maintenance stays manageable.
How to judge fit
- Can the specialist explain the data model and business flow clearly?
- Do they know when to use APEX processes versus database logic?
- Have they worked with authentication, permissions, and auditing?
- Can they improve an existing app without breaking it?
- Do they communicate well with business users and Oracle teams?
Frequently asked questions
Questions about Oracle APEX? Start with the answers below.
Oracle APEX is used to build data-driven business applications on Oracle Database. Companies choose it for internal tools, approval flows, reporting apps, and secure self-service portals. It is a good fit when the data already lives in Oracle and the app should stay close to the database.
Oracle APEX is faster to deliver when the main work is around forms, reports, and database-backed workflows. A custom framework can fit more complex front-end needs, but it usually asks for more application code and more moving parts. APEX is often the better choice when the team wants a practical business app rather than a highly custom public product.
Yes. Oracle Application Express is the full product name, and APEX is the common short form. When people search for Oracle APEX, Oracle Application Express, or just APEX, they usually mean the same low-code Oracle application environment.
A strong Oracle APEX specialist usually knows SQL, PL/SQL, Oracle Database design, REST integration, and access control. Experience with Oracle REST Data Services, session state, and performance tuning also helps a lot. For older systems, knowledge of migration and refactoring is useful too.
A Oracle APEX project can start small, but the right experience depends on the data model, security needs, and integration scope. Simple reporting or internal apps can be handled quickly by a focused specialist, while complex workflow systems need deeper Oracle and PL/SQL knowledge. The key is not just building pages, but keeping the app maintainable.
Yes. Oracle APEX work is well suited to remote collaboration because most tasks involve database logic, page design, testing, and review. In Germany, many teams still prefer some direct contact for requirements and handover, but the actual build work is often handled remotely without problems.
A strong APEX implementation has a clear data model, simple page logic, secure access, and predictable performance. The app should feel consistent, use Oracle features where they help, and avoid unnecessary custom code. Good specialists also leave clean documentation so the system can be supported later.
An Oracle APEX app should be modernized when the logic has become hard to follow, security rules are unclear, or the user flow no longer fits the business process. The best specialists first assess whether the app needs cleanup, refactoring, or a fuller redesign. Often the safest path is to improve the existing foundation instead of starting over.
The average hourly rate of freelancers in Germany who have used Oracle APEX in their recent projects is 99 €, which corresponds to a daily rate of about 795 € based on an 8-hour working day.
Of the freelancers in Germany who have used Oracle APEX in their recent projects, 93% hold at least a Bachelor's degree, 67% hold at least a Master's degree, and 13% hold a doctorate.
On average, freelancers in Germany who have used Oracle APEX in their recent projects have 23 years of professional experience, with a single engagement typically lasting around 2.6 years.
The most common languages among freelancers in Germany who have used Oracle APEX in their recent projects are German (100%), English (91%), and French (22%).
The most common industries among freelancers in Germany who have used Oracle APEX in their recent projects are Information Technology (87%), Government and Administration (61%), and Banking and Finance (57%).
The most common business areas among freelancers in Germany who have used Oracle APEX in their recent projects are Information Technology (100%), Product Development (70%), and Business Intelligence (65%).
Main locations of FRATCH Experts, who have recently used Oracle APEX
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 
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