PL/SQL Experts in Essen
to strengthen Oracle systems with vetted, available freelancers matched in minutesHire experts who design reliable database logic, tune Oracle workloads and connect PL/SQL services with enterprise applications. FRATCH matches you quickly and precisely with vetted, available freelancers suited to your project.
Meet FRATCH Experts in Essen, who have recently used PL/SQL
Adem S.
Last position:
IT Consultant (Test Manager) & CEO at Trikolon Consulting GmbH
- Development and implementation of test concepts for complex, multi-layered systems
- Creation of regular management reports and presentations for stakeholders and clients
- Technical and disciplinary leadership of international test teams (coordination, coaching, resource planning)
- Responsibility for quality assurance across multiple test levels (unit, integration, system, and acceptance tests)
- Design of test cases and test plans in Azure DevOps; ensuring traceability and coverage
- Use of BDD approaches (Gherkin/Cucumber) to prepare test automation
- Building a test automation architecture with Playwright and integrating new tests into CI/CD pipelines
- Performing API tests (REST) and tests for mobile/PWA applications
- Setup and maintenance of test environments across multiple stages (integration, QA, UAT, pre-production)
- Test data management (synthetic and production-like data), ensuring consistency and reproducibility
- Collaboration with DevOps teams for containerization (Docker/OpenShift) and CI/CD integration
- Working under SAFe & Scrum, closely coordinating with product owners and DevOps teams
- Active participation in PI plannings, sprint reviews, and retrospectives
- Promoting an agile QA culture through coaching and knowledge sharing
- Introducing scalable test automation with Playwright → significant reduction of manual testing efforts
- Increasing test transparency through clean defect and reporting management in Azure DevOps
- Improved release quality through an end-to-end QA strategy and automated regression tests
- Strategic leadership of Trikolon Consulting GmbH and responsibility for finance, personnel, and business development
Asım Y.
Last position:
Freelance BI/DWH/ETL Specialist at Akbank
- Setting architectural standards for Informatica Power Center development teams
- Maintenance-performance-health for DWH (Exadata) environments
- Qlik Sense / BO reports architectural standards
- Implementing best practices in ETL tasks
- Documentation ETL standards on Confluence
- Dynamic Data Masking rules for GDPR/KVKK regulations by using Informatica DDM tool
- DWH Data model Power Designer
- Upgrade Qlik Sense versions
- Merge all Informatica server's repository databases on one Oracle DB
Kamal T.
Last position:
Design and development of a requirements verification tool based on the INVEST principle at Ranasoft Internet Technologies
- Design of requirement verification based on the INVEST principle
- Implementation of the prediction model with scikit-learn and BERT
- Implementation of the web client with ReactJS and FastAPI
- Adaptation of the T5 model to improve user story generation according to the INVEST framework
- Certification of NLP and scikit-learn
- Technologies: Python, NLP, Scikit-Learn, BERT, T5, ReactJS, FastAPI, Cursor Visual Paradigm, Visual Studio, Draw.io, NSIS, vite, Electron
Marcel D.
Last position:
Software Developer / IT Tester at Continentale Krankenversicherung a.G.
Analysis, online COBOL software development and testing of dialog and batch programs in the Kranken Leistung (KL) project
Error analysis, bug fixing and ticket resolution (change requests and defects)
Documentation in collaboration with the contact office and the mathematics department
IT skills: Siemens Fujitsu BS2000, CCOM Emulation, Micro Focus Visual COBOL I and II, Eclipse IDE, UDS database system, Atlassian Confluence and Jira, ZULIP, UNIFY
Aida K.
Last position:
Sales Assistant at Bakery Schollin
- Customer service and point-of-sale (cash register) operations
- Inventory management and stock organization
- Strengthened German language skills through daily customer interaction
- Worked collaboratively in a fast-paced, team-oriented environment
Alain Gérard E.
Last position:
Business Analysis / Requirements Engineering at 1&1
- Creating the functional specification for a dashboard solution for E2E management in the 5G deployment team in an Open RAN architecture
- Developing dashboards and reports with Power BI Desktop (data connection using Power Query, KPI calculations with DAX, publishing to Power BI Service)
- Developing solutions with Power Apps
- Integrating Power BI reports into Dynamics 365 Business Central
Stefan W.
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
Humayun S.
Last position:
Test Manager at ProSiebenSat.1 Media SE
- Quality assurance for 7 apps and websites as well as Galileo
- Designing, planning and executing tests
- Designing the test strategy in an agile team
- Planning, monitoring and coordinating test activities
- Reviewing and matching test cases
- Documenting test results
- Reviewing found defects
- Collaborating with developers
- Conducting regression tests
- Creating test summary reports
- Participating in various meetings with all stakeholders
- Approach, tools & systems: Jira, Android Studio, iOS, Android, Agile-Scrum
Werner H.
Last position:
Insurance company
- Migrations of DB2 databases to Oracle
- Design and setup of new databases based on ODA X7-HA / X9-HA RAC 12cR2 - 19.23 / Data Guard / GI 19c
- Hardware: ODA X7 X9 / IBM
- Software: Oracle 12c-19.23 / Oracle Linux Enterprise 7.1–8.8
Discover over 15,000 top freelancers
Statistics of experts using PL/SQL
Aggregated from the professional profiles of matched freelancers.
Experience
25 years (Germany: 24 years)
Position duration
2.2 years (Germany: 3.2 years)
Positions per freelancer
18 (Germany: 17)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Automotive, Banking and Finance
Certification focus areas
Project Management, Information Technology, Quality Assurance
Bachelor's degree or higher
88% (Germany: 85%)
Master's degree or higher
63% (Germany: 53%)
Certifications per freelancer
3
Most common languages
German, English, French
Speak two or more languages
100% (Germany: 97%)
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 Essen 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 Essen using PL/SQL
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.
PL/SQL 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%)
- Automotive (67%)
- Banking and Finance (67%)
- Manufacturing (56%)
- Healthcare (44%)
- Professional Services (44%)
- Government and Administration (44%)
- Telecommunication (44%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Oracle database logic
PL/SQL is Oracle Database’s procedural language for writing stored procedures, functions, packages, triggers and data-processing routines. It extends SQL with variables, control flow, exception handling and reusable program units. Companies use it to keep critical business rules close to the data, where transactions and permissions can be controlled consistently.
Enterprise use cases
PL/SQL supports systems that process structured, high-volume business data and require dependable transactions.
- Finance, accounting and controlling workflows
- Order, inventory and supply chain processing
- Reporting, reconciliation and data validation
- Interfaces between Oracle and enterprise applications
It is common in long-running ERP, banking, logistics, manufacturing and public-sector environments.
Ecosystem and tooling
Strong specialists work with Oracle Database features, SQL, packages, triggers, views, indexes and transaction control. They may also use Oracle Forms, Oracle Reports, APEX, REST services and integration tools around an Oracle estate. Source control, automated testing, execution plans and database migration practices help teams manage PL/SQL safely across environments.
When support matters
Companies often bring in freelance expertise when an Oracle system needs modernization, performance work or a controlled release. Typical signals include slow queries, unclear package dependencies, difficult-to-test triggers, recurring production errors or a backlog of database changes.
- Refactor legacy procedures without changing business behavior
- Diagnose locking, indexing and execution-plan issues
- Prepare migrations, integrations or database upgrades
- Document undocumented business logic
Skills around PL/SQL
The best professionals combine database programming with data modeling, SQL optimization, security and release management. They understand how application code, APIs and batch jobs depend on stored logic. Experience with Oracle Cloud, ETL processes, monitoring and test automation is useful when PL/SQL is part of a wider modernization program.
What quality looks like
Reliable PL/SQL is readable, modular and designed for safe transaction handling. Strong experts use clear naming, deliberate exception handling and set-based SQL where appropriate instead of hiding inefficient row-by-row work inside loops. They measure performance with evidence, review dependencies before changing shared objects and explain risks in terms the wider delivery team can act on. For Essen-based teams, remote collaboration can work well when access, documentation, review routines and communication expectations are agreed early.
Frequently asked questions
Before you brief your next project: the most common questions about PL/SQL.
PL/SQL is used to create procedures, functions, packages and triggers that run inside Oracle Database. Companies rely on it for transaction processing, validation, reporting, batch operations and business rules that must work close to enterprise data.
PL/SQL is optimized for logic that reads and changes Oracle data within the database. An application-layer language is often better for user interfaces, broader service orchestration or integrations, so many systems use both rather than treating them as direct substitutes.
A strong PL/SQL specialist should also understand advanced SQL, data modeling, indexing, execution plans, transactions and Oracle security. Knowledge of APIs, ETL, version control and automated testing is valuable when database logic connects to wider enterprise systems.
A contained procedure change may suit a specialist familiar with the relevant schema and business rules. Complex modernization, performance tuning or production-critical work calls for a professional who can trace dependencies, assess risk and validate behavior across the full Oracle environment.
PL/SQL work can usually be handled remotely when secure database access, representative test data and clear deployment controls are available. On-site collaboration in Essen can help during discovery, workshops or sensitive releases, while fluent German may matter when business rules are documented locally.
Bring in a PL/SQL expert when Oracle performance is unclear, legacy packages are hard to change, releases are risky or internal capacity is limited. Freelance support is also useful for database migrations, integration work and documenting critical business logic.
PL/SQL is often compared with T-SQL for Microsoft SQL Server and with application-side logic written in Java, C# or Python. The right choice depends on the database estate, transaction needs, team skills, portability goals and where the organization wants business rules to live.
Look for PL/SQL work that is modular, readable, tested and supported by clear execution-plan and error-handling decisions. Ask the professional to explain data dependencies, transaction behavior, rollback risks and how performance will be verified before and after delivery.
The average hourly rate of freelancers in Essen, Germany who have used PL/SQL in their recent projects is 94 €, which corresponds to a daily rate of about 751 € based on an 8-hour working day.
Of the freelancers in Essen, Germany who have used PL/SQL in their recent projects, 88% hold at least a Bachelor's degree and 63% hold at least a Master's degree.
On average, freelancers in Essen, Germany who have used PL/SQL in their recent projects have 25 years of professional experience, with a single engagement typically lasting around 2.2 years.
The most common languages among freelancers in Essen, Germany who have used PL/SQL in their recent projects are German (100%), English (100%), and French (56%).
The most common industries among freelancers in Essen, Germany who have used PL/SQL in their recent projects are Information Technology (100%), Automotive (67%), and Banking and Finance (67%).
The most common business areas among freelancers in Essen, Germany who have used PL/SQL in their recent projects are Information Technology (89%), Product Development (89%), and Project Management (89%).
Main locations of FRATCH Experts, who have recently used PL/SQL
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 
Hanover 
Nuremberg Request a free demo
Get in touch with the FRATCH team and we will get back to you within 4 hours.
Would you rather directly get in touch?
We always have the time for a call or email!
Philipp Thomaschewski
FRATCH CEO
