Oracle SQL Developer Experts in Hamburg
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Meet FRATCH Experts in Hamburg, who have recently used Oracle SQL Developer
Vinod Goyal
Last position:
Freelancer: SAP MDG Consultant at Logistics service provider
- Support for one of the largest logistics service providers in handling ServiceNow tickets in the areas of SAP MDG, Business Partner (BP), customer and supplier master data
- Technical analysis and resolution of tickets through in-depth review of various database tables
- Creation and maintenance of accounting clerks in the system
- Deactivation of company codes using transports
- Carrying out mass changes with LSMW (Legacy System Migration Workbench)
Serkan Uyanik
Last position:
Manager Finance, Risk & Regulatory Reporting at movisco AG
- Project leadership and management
- Implementing reporting solutions in banks
- Enhancing and optimizing reporting processes in bank finance and risk departments
- Consulting through all phases of regulatory requirement implementation, including requirements analysis, defining business requirements, testing, tool development, and audit-compliant documentation
- Supporting regulatory implementation projects
- Analyzing business requirements and implementing reports
- Acting as a liaison between business and IT
- Publishing on regulatory changes
- Training internal colleagues on regulatory topics
Walid Haidari
Last position:
Senior Tester within the IT & Digital Roadmap at VTG-Aktiengesellschaft
- Consulting, planning, and adapting (extension and rebuild) of the existing test framework to cover necessary test cases as part of quality assurance for initiative implementations
- Executing cross-team manual test cases during regular sprint cycles
- Setting up test automation
- Advising front-end and back-end development on quality assurance aspects
- Building a framework for end-to-end test cases
- Performing software quality assurance across various projects within a program
- Supporting the creation of test cases
- Coordinating within the team with all relevant stakeholders
Rolf Gardewischke
Last position:
Developer & Designer at Security authorities
- Migration of a case processing system with numerous interfaces to other systems from Spring and Activiti to a Java JEE application
- Further development into a cloud application
- Consulting, development, requirements analysis, specification and design
- Coordination with upstream and downstream systems
- Data modeling, programming and implementation
- Support with code reviews and ensuring clean code in the PL/SQL context
- Documentation in Confluence
- Troubleshooting PL/SQL applications including log analysis, session tracing and performance profiling
- Optimization and tuning measures in the PL/SQL environment
- Knowledge transfer and onboarding of new employees
- Use of Jira for task management, progress tracking and sprint planning
Mbah Sama
Last position:
Software Tester for Banking Requirements at comdirect
- Responsibility for testing and quality assurance of application processes
- Creation and execution of test cases based on defined acceptance criteria
- Documentation of deviations and analysis, as well as initiation of necessary corrective actions
- Ensuring the flow of information within the team and with other specialist departments
- Maintenance and further development of test automation
- Adapting Selenium-based automation to every release and sprint change
- Extending test automation with new processes
- Performing security tests
- Identifying typical vulnerabilities (e.g. XSS, SQL injection, insecure headers) through automated tests in the CI/CD flow
- Use of technologies Selenium (including integration with security scanners such as OWASP ZAP), Unix/SQL environments and optionally Cypress, SAP, C#, Java, GitLab, Jira, Confluence, REST API, Postman, HP-ALM, SSI, Octane, WinSCP.
Peter Neumann
Last position:
Pilot testing AI tools & sabbatical for house renovation
- Pilot testing local AI environments to explore local AI use cases and cloud-based AI solutions
- Evaluation of AI tools and techniques
- Use of local AI tools with own data sovereignty
- Prompt engineering
- Creation of example environments for speech-to-text, text-to-speech, text-to-image, text-to-video, and image-to-video
Tools: Grok, Perplexity, ChatGPT, Elevenlabs, Github, Ollama, HuggingFace, Open WebUI, Faster Whisper, LibreTranslate, WSL, Docker Desktop, Shotcut, Audacity, Sound eXchange, Ffmpeg, Coqui TTS, Pinokio, Stable Diffusion Web UI, ComfyUI, OWL, Void Editor
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
Bilal Oguz
Last position:
Test Analyst / Test Engineer at von der Qualidence Consultancy GmbH
- Manual acceptance testing of web and Swing clients as well as mobile applications across different teams/products
- Requirements management, test analysis, and submission of review results
- Preparation and execution of smoke, regression, and user acceptance tests
- Test case design using test design techniques for user stories with acceptance criteria in XRay; import of Excel test sheets into Jira XRay
- Creation, preparation, and execution of API tests with Postman and documentation in Jira XRay
- Taking on greenfield projects for the acceptance of the web app
- Proactive collaboration with the team (developers, POs, and test manager)
- Acceptance of development and deployment of content elements on the web with TYPO3 CMS
- Tools used: Jira + XRay, Postman, Confluence, web & Swing applications, mobile app, BrowserStack, Figma, Robot Framework, Excel
Taher Solimany
Last position:
DevOps Engineer at Confidential
- Collaborating with developers, security, and operations teams to align requirements
- Supporting product owners and development teams in deploying logging and monitoring solutions based on the Elastic Stack
- Developing and standardizing log schemas as well as defining practical standards for observability
- Designing and further developing logging architectures for complex, distributed multi-tenant environments
- Connecting application and infrastructure logs as well as security tools and metrics
- Optimizing data flows and modeling for analysis and reporting purposes
- Building automated infrastructures using Terraform/Terragrunt and Ansible
- Maintaining and evolving CI/CD pipelines in GitLab as well as automated development environments in Hetzner Robot
- Operating and automating Proxmox clusters including Ceph storage
- Setting up and running Kubernetes (k3s) clusters on Fedora CoreOS including core services like Vault, OpenLDAP, and HAProxy
- Implementing security-critical infrastructures according to BSI basic protection and securing existing systems
- Supporting the operation of solutions in cloud environments (e.g., AWS)
- Working in agile teams following Scrum and Kanban
- Technologies/Tools: Elastic Stack (Elasticsearch, Logstash, Beats/Elastic Agent, Kibana), Terraform, Terragrunt, Ansible, GitLab CI/CD, GitOps, Proxmox, Proxmox Ceph, Kubernetes (k3s), OpenShift, Helm, Kustomize, Vault, OpenLDAP, HAProxy, Hetzner Robot systems, AWS, Prometheus, Grafana, Syslog Linux/Windows, Docker, NGINX, Apache Security & Compliance (BSI basic protection, SIEM/SOC)
Guido Schmetkamp
Last position:
Freelancer at IT Consulting GS
Discover over 15,000 top freelancers
Statistics of experts using Oracle SQL Developer
Aggregated from the professional profiles of matched freelancers.
Experience
24 years (Germany: 22 years)
Position duration
2.6 years (Germany: 2.1 years)
Positions per freelancer
14 (Germany: 17)
Top business areas
Information Technology, Quality Assurance, Project Management
Top industries
Information Technology, Banking and Finance, Transportation
Certification focus areas
Project Management, Information Technology, Quality Assurance
Bachelor's degree or higher
100% (Germany: 91%)
Master's degree or higher
56% (Germany: 54%)
Doctorate
11% (Germany: 12%)
Certifications per freelancer
4 (Germany: 3)
Most common languages
German, English, Arabic
Speak two or more languages
90% (Germany: 95%)
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 Hamburg 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 Hamburg using Oracle SQL Developer
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
Database work
Oracle SQL Developer is a desktop tool for working with Oracle Database in a clear, structured way. Specialists use it to write and run SQL, inspect tables and views, explore schemas, and review query results. It is a common choice when teams need direct access to Oracle data without a heavy setup.
Core tasks
- Write and test SQL queries
- Browse schemas, objects, and dependencies
- Edit PL/SQL and debug stored code
- Import, export, and compare data
- Support model reviews and database handovers
Ecosystem
Oracle SQL Developer fits into the wider Oracle stack and often appears next to Oracle Database, PL/SQL, and Data Modeler. Strong professionals know how to move between query work, object inspection, and documentation. Many also understand version control, naming standards, and how Oracle teams handle releases.
When to bring in help
Companies usually look for freelance specialists when a database change is urgent, a schema needs review, or a team lacks Oracle tooling depth. In Hamburg, this often matters for enterprise systems, logistics, finance, and internal reporting setups. Remote support works well for most tasks, while on-site time can help during workshops or complex migrations.
What strong experts do
Good Oracle SQL Developer experts do more than click through objects. They read execution plans, spot risky SQL, handle PL/SQL carefully, and keep changes traceable. They also communicate clearly with business teams and other specialists so the database work stays aligned with the application and release flow.
Signs you need a specialist
If your team sees slow queries, unclear schema ownership, messy manual scripts, or broken exports, an Oracle SQL Developer specialist can help. The same is true when you need someone who can quickly understand an existing Oracle environment and clean up the workflow. Search terms like SQL Developer or Oracle SQL Developer usually point to this exact tool.
Frequently asked questions
Questions about Oracle SQL Developer? Start with the answers below.
Oracle SQL Developer is used to query Oracle databases, inspect objects, edit PL/SQL, and move data between environments. Teams also use it for schema reviews, ad hoc analysis, and day-to-day database maintenance. It is a practical tool when the work centers on Oracle Database rather than generic SQL alone.
Yes, SQL Developer is the common short name for Oracle SQL Developer. Searchers often use both names, and they usually mean the same Oracle tool for database work. If someone mentions Oracle SQL Developer Data Modeler, that is a related product, but not the same thing.
Oracle SQL Developer is strongest when the work is centered on Oracle Database and PL/SQL. DBeaver is broader across many database systems, while TOAD is often chosen for Oracle-heavy administrative workflows. The right choice depends on the stack, the team standards, and how much Oracle-specific support you need.
A strong Oracle SQL Developer specialist usually knows SQL, PL/SQL, Oracle object types, and basic performance analysis. Useful adjacent skills include schema design, data import and export, debugging stored code, and reading execution plans. Clear documentation matters as much as tool knowledge.
For simple query support or schema browsing, a focused Oracle SQL Developer specialist can be enough. For PL/SQL debugging, data migration, or performance work, you want someone who has handled real Oracle change processes before. The more critical the database, the more important proven Oracle depth becomes.
Yes, most Oracle SQL Developer work can be done remotely because it mainly needs database access, secure credentials, and clear scope. On-site time can still help when teams need workshop-style collaboration, access discussions, or fast alignment with local stakeholders. In Hamburg, mixed setups are common for larger internal systems.
Look for clean SQL, careful change handling, and clear explanations of what was changed and why. A strong Oracle SQL Developer freelancer should understand Oracle-specific details, not just run queries in the tool. Good signs are structured feedback, safe testing habits, and thoughtful communication with other specialists.
Typical deliverables for Oracle SQL Developer work include reviewed SQL scripts, PL/SQL fixes, schema notes, export and import routines, and query analysis. In bigger projects, they may also help with data checks, release support, and handover documentation. The exact output depends on whether the task is maintenance, analysis, or migration.
The average hourly rate of freelancers in Hamburg, Germany who have used Oracle SQL Developer in their recent projects is 97 €, which corresponds to a daily rate of about 774 € based on an 8-hour working day.
Of the freelancers in Hamburg, Germany who have used Oracle SQL Developer in their recent projects, 100% hold at least a Bachelor's degree, 56% hold at least a Master's degree, and 11% hold a doctorate.
On average, freelancers in Hamburg, Germany who have used Oracle SQL Developer in their recent projects have 24 years of professional experience, with a single engagement typically lasting around 2.6 years.
The most common languages among freelancers in Hamburg, Germany who have used Oracle SQL Developer in their recent projects are German (100%), English (90%), and Arabic (20%).
The most common industries among freelancers in Hamburg, Germany who have used Oracle SQL Developer in their recent projects are Information Technology (90%), Banking and Finance (60%), and Transportation (60%).
The most common business areas among freelancers in Hamburg, Germany who have used Oracle SQL Developer in their recent projects are Information Technology (100%), Quality Assurance (90%), and Project Management (80%).
Main locations of FRATCH Experts, who have recently used Oracle SQL Developer
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 
Munich 
Cologne 
Frankfurt Request a free demo
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FRATCH CEO
