PL/SQL Experts in Hanover
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Meet FRATCH Experts in Hanover, who have recently used PL/SQL
Willi Ziegenhagel
Last position:
Data Analyst
- Analysis of process data
- Data preparation with SQL
- Development of reports & dashboards in Celonis
Maximilian Mayerhofer
Last position:
Test Data Creation and Management at statutory accident insurance
- Provision of cross-system synthetic test data for test automation for insured persons, companies and external partners in coordination with specialist departments and stakeholders, taking requirements and test cases into account
- Synthesis of test data with regard to data protection and data security
Christian Krah
Last position:
Service Catalog Manager at Deloitte team
- Worked in the IT infrastructure of the Deloitte team.
- Planned assignment as service catalog manager at an insurance company in Hanover.
Jens Kopper
Last position:
Freelancer at IT-P GmbH
- Supported the production rollout of the KVAI-Classic master data system
- Analyzed and fixed errors in PL/SQL-based interfaces on Oracle 19
- Designed fixes and enhancements for the service provider
Yenal Yavuz
Last position:
Shiny R Development at RadixITS Gbr
- Implementation and mapping of regulatory requirements (CSRD, ESRS) in Shiny dashboards and backend functionalities
- Design and development of data-driven modules in Shiny including ESG metrics and reporting templates
- Integration of data sources (SQL, SAP HANA, APIs, CSV/Excel) using DBI, odbc, httr and readr
- Creation of interactive visualizations with plotly, highcharter and DT (DataTables)
Jasser Chtourou
Last position:
Artificial Intelligence Intern at Plug&Plai
- Supported the development of AI-powered voice assistants for recruitment automation.
- Helped optimize speech recognition models and conversational AI workflows.
Discover over 15,000 top freelancers
Statistics of experts using PL/SQL
Aggregated from the professional profiles of matched freelancers.
Experience
25 years
Position duration
1 years (Germany: 3.2 years)
Positions per freelancer
18 (Germany: 17)
Top business areas
Information Technology, Business Intelligence, Finance
Top industries
Information Technology, Banking and Finance, Healthcare
Certification focus areas
Information Technology, Quality Assurance, Strategy
Bachelor's degree or higher
80% (Germany: 84%)
Master's degree or higher
40% (Germany: 53%)
Certifications per freelancer
4 (Germany: 3)
Most common languages
German, English, French
Speak two or more languages
100% (Germany: 97%)
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 Hanover 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 Hanover 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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
Oracle data logic
PL/SQL is Oracle’s procedural language for data work inside the database. It is used to create packages, procedures, functions, and triggers that keep business rules close to the data. Teams hire specialists when SQL alone is not enough.
Typical work
- Build stored procedures for finance, logistics, and reporting flows
- Write package-based APIs for database-side services
- Design triggers for audit, validation, and synchronization
- Refactor legacy Oracle code for clarity and stability
Tooling and ecosystem
Strong PL/SQL work sits next to Oracle Database, SQL*Plus, SQL Developer, and common DevOps scripts around deployment and version control. Experienced specialists also know execution plans, exception handling, and how PL/SQL fits into larger Oracle applications. In Hanover, this often matters for enterprise systems with local operations, shared services, or regulated data.
When freelance help fits
Companies bring in freelance PL/SQL experts when a release is blocked by slow queries, brittle packages, or unclear database logic. They are also useful for migrations, code reviews, production fixes, and short-term support after internal teams change priorities. Remote work is common, while on-site sessions help with workshops and sensitive system handovers.
What strong specialists do
- Read old code quickly and explain the risk in plain words
- Improve performance without breaking business logic
- Keep exception handling, logging, and transactions disciplined
- Work well with Oracle teams, testers, and application specialists
Signs you need one
If your Oracle system has repeated data errors, hard-to-maintain packages, or too much logic spread across the application layer, a PL/SQL specialist can help. The same is true when a team needs help with legacy stored code, production support, or a new database design that must stay clean for the long term. Companies in Hanover often look for English-speaking help, but German collaboration is common in local teams and workshops.
Frequently asked questions
Questions about PL/SQL? Start with the answers below.
PL/SQL is Oracle’s procedural language for data logic inside the database. Companies use it for stored procedures, functions, packages, triggers, and validation rules that need to run close to the data. It is a strong fit when SQL queries alone cannot handle the business logic cleanly.
PL/SQL adds control flow, variables, loops, error handling, and modular code on top of SQL. Pure SQL is best for set-based queries and direct data changes, while PL/SQL is better when the work needs reusable logic or multiple steps. Most real Oracle systems use both together.
A PL/SQL freelancer is useful when packages are hard to maintain, performance needs work, or a release depends on database-side logic. Companies also bring in specialists for legacy code cleanup, migration support, and urgent production fixes. That is common in large Oracle environments where internal teams are already busy.
A good PL/SQL specialist usually also knows Oracle Database, schema design, performance tuning, and source control. Depending on the project, JDBC, middleware, reporting tools, and deployment scripts can matter too. For larger systems, understanding transactions and data integrity is essential.
A PL/SQL project that only needs a small query change can be handled quickly, but package design, optimization, or legacy refactoring needs deeper database experience. Look for someone who has worked on production Oracle systems and can explain trade-offs clearly. If the logic affects critical data, quality matters more than speed.
Yes, PL/SQL work is often done remotely because most tasks happen in Oracle tools and database environments. On-site time can help at the start of a project, during access setup, or for workshops with German-speaking stakeholders. Many teams in Hanover use a mixed setup.
A strong PL/SQL expert writes code that is readable, tested, and safe for production. Look for clear package structure, good exception handling, sensible naming, and an ability to explain why a query or procedure is built a certain way. The best specialists also spot performance risks early.
PL/SQL remains highly relevant wherever Oracle Database is central to the system. Newer application frameworks may handle web or service layers, but the database still needs reliable logic, validation, and performance-aware code. That is why many companies keep investing in it instead of replacing it wholesale.
The average hourly rate of freelancers in Hanover, Germany who have used PL/SQL in their recent projects is 92 €, which corresponds to a daily rate of about 733 € based on an 8-hour working day.
Of the freelancers in Hanover, Germany who have used PL/SQL in their recent projects, 80% hold at least a Bachelor's degree and 40% hold at least a Master's degree.
On average, freelancers in Hanover, Germany who have used PL/SQL in their recent projects have 25 years of professional experience, with a single engagement typically lasting around 1 year.
The most common languages among freelancers in Hanover, Germany who have used PL/SQL in their recent projects are German (100%), English (100%), and French (50%).
The most common industries among freelancers in Hanover, Germany who have used PL/SQL in their recent projects are Information Technology (100%), Banking and Finance (67%), and Healthcare (67%).
The most common business areas among freelancers in Hanover, Germany who have used PL/SQL in their recent projects are Information Technology (100%), Business Intelligence (83%), and Finance (83%).
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.
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