PL/SQL Experts in Essen
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Meet FRATCH Experts in Essen, who have recently used PL/SQL
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
Sileem H.
Last position:
Senior Consultant, Lead-Developer, Architect at Bundesamt für Informatik und Telekommunikation
- Company FROX (Schweiz), end customer: Bundesamt für Informatik und Telekommunikation.
- Consulting and development. ITSM Suite, development of a semi-generic REST API interface solution. Performance tuning.
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
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
26 years (Germany: 24 years)
Position duration
2.4 years (Germany: 3.2 years)
Positions per freelancer
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
89% (Germany: 85%)
Master's degree or higher
67% (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 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Essen 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 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 29 Oct 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 (70%)
- Banking and Finance (60%)
- Manufacturing (50%)
- Government and Administration (50%)
- Telecommunication (50%)
- Healthcare (40%)
- Professional Services (40%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Enterprise Database Programming with PL/SQL
Procedural Language for SQL serves as Oracle Corporation's procedural extension for SQL. It allows organizations to execute complex transactional logic directly inside the Oracle Database engine. By executing operations close to physical storage, applications minimize network latency and handle massive enterprise data processing.
Core Workloads and Enterprise Use Cases
- High-performance batch processing and ETL data pipelines
- Encapsulated business rules via packages, triggers, and stored procedures
- Complex data warehousing transforms and analytical rollups
- Database migration and version upgrades across major Oracle editions
Tooling and the Oracle Ecosystem
Professionals in this domain work routinely with Oracle SQL Developer, PL/SQL Developer, and Toad for Oracle. They leverage internal utilities such as DBMS packages, Advanced Queuing, and Oracle Data Pump. Modern delivery workflows integrate Liquibase or Flyway to run automated schema migrations inside continuous integration pipelines.
Industrial Relevance in Essen and the Ruhr Region
Essen serves as an industrial and energy hub with large utility providers, manufacturing giants, and supply chain operators. These sectors rely on mission-critical Oracle architectures to track infrastructure grids, enterprise billing, and supply logistics. Local operations frequently demand database professionals who understand both modern data architecture and legacy backends.
Indicators Demanding Dedicated External Expertise
Organizations seek freelance specialists when batch windows overrun, locks cause concurrency deadlocks, or critical reporting processes stall. External professionals analyze execution plans, restructure heavy packages, and introduce bulk operations with FORALL and BULK COLLECT to restore transaction speed without altering application hardware.
Hallmarks of Strong Database Specialists
Top specialists write clean, maintainable package bodies and minimize unnecessary context switching between SQL and procedural blocks. They master system profiling using DBMS_PROFILER and DBMS_HPROF to eliminate bottlenecks. Furthermore, they design defensive exception handling strategies that prevent partial commits and preserve transactional consistency.
Frequently asked questions
Before you brief your next project: the most common questions about PL/SQL.
Organizations use PL/SQL to run data-intensive business logic directly within the Oracle Database. It handles bulk data loading, scheduled reconciliation tasks, and mission-critical transactional routines where network roundtrips between application servers and disks must be eliminated.
Writing procedural code in Oracle PL/SQL executes logic directly in the data tier, avoiding massive data transfers over local networks. While frameworks in Java or C# manage presentation and routing well, heavy data manipulations and record filtering execute significantly faster directly inside database packages.
A capable PL/SQL specialist should also understand Oracle Database internals, SQL tuning, indexing strategies, and partition design. Familiarity with modern orchestration tools, shell scripting, and integration frameworks like Oracle APEX or backend Java services adds significant value.
Tuning legacy systems requires comprehensive experience in reading execution plans and tracing sessions with TKPROF. Senior Procedural Language for SQL specialists bring proven methodologies to refactor complex triggers and large package bodies without disrupting live production environments.
Most PL/SQL development and performance diagnostics can be performed securely via remote VPN connections. However, organizations in Essen often request occasional on-site workshops during critical production cutovers or migration weekends to align closely with core infrastructure teams.
International technical teams communicate effectively in English, but many industrial and municipal enterprises in Essen require professional German for project documentation. A seasoned Oracle PL/SQL freelancer operating locally bridges both technical requirements and corporate standards smoothly.
High-quality PL/SQL avoids row-by-row processing, relying instead on bulk operations and explicit cursor management. Experienced evaluators check for modular package organization, proper usage of autonomous transactions, defensive exception blocks, and zero unhandled cursor leaks.
Yes, Procedural Language for SQL remains a backbone for large enterprises running Oracle Autonomous Database and hybrid cloud platforms. While analytics tools evolve rapidly, core transactional systems continue to trust stored procedures for rock-solid security, ACID compliance, and low-latency processing.
The average hourly rate of freelancers in Essen, Germany who have used PL/SQL in their recent projects is 96 €, which corresponds to a daily rate of about 771 € based on an 8-hour working day.
Of the freelancers in Essen, Germany who have used PL/SQL in their recent projects, 89% hold at least a Bachelor's degree and 67% hold at least a Master's degree.
On average, freelancers in Essen, Germany who have used PL/SQL in their recent projects have 26 years of professional experience, with a single engagement typically lasting around 2.4 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 (60%).
The most common industries among freelancers in Essen, Germany who have used PL/SQL in their recent projects are Information Technology (100%), Automotive (70%), and Banking and Finance (60%).
The most common business areas among freelancers in Essen, Germany who have used PL/SQL in their recent projects are Information Technology (90%), Product Development (90%), and Project Management (90%).
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
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FRATCH CEO
