PL/SQL Experts in Hamburg
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Meet FRATCH Experts in Hamburg, who have recently used PL/SQL
Huy N.
Last position:
Modern Workplace & Dynamics 365 Consultant at Thinformatics
- Administration and further development of the M365 environment including Teams, Exchange Online, Intune and SharePoint Online
- Development of dashboards for performance monitoring using Microsoft Power BI
- Implementation of user requirements and processes with low-code/no-code technologies (Power Apps, Power Automate)
- Use of Jira and Azure DevOps to plan and implement user stories in an agile project context
- Participation in daily stand-ups, sprint planning, sprint reviews and retrospectives as technical point of contact
- Planning and implementation of security policies using Azure Conditional Access and multi-factor authentication
- Configuration and deployment of clients and applications via MECM (SCCM) and Baramundi
Vinod G.
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)
Rizwan B.
Last position:
Software Developer/Database/Devops at Sutor Bank
Project:
- Migration of existing VB6 applications to C# (Web API, web app)
- Report development and risk management systems (C#, API interfaces, databases)
- Document archive (API interfaces, databases)
Team size: 9 people
- Reports for Risk and Credit Management Development and maintenance of report structures to support risk and credit decisions, including data modeling, validation, and automated delivery for business departments.
- Migration and maintenance of a legacy system to the latest version of .NET for the asset management system Planning and execution of the modernization of an existing asset management system, including code refactoring, performance optimization, test automation, and sustainable maintenance after migration.
- Replacement of the COM-based archive connection with a REST API Redevelopment of the connection of the document archive (HYPARCHIV) to a REST API based on OpenAPI/Swagger, including archiving with index and stamp fields as well as PDF export into the customer portal.
- Redesign of payment receipt processing Replacement of an existing Oracle PL/SQL process with a new implementation in C# based on a business concept, including business alignment, data modeling, and test coverage.
- Design and implementation of tests, creation of deployment pipelines, and documentation
- Further development and implementation of change requests.
- Regular code reviews within the team as well as optimization of application scalability and stability
Technologies: C#, .NET 10, ASP.NET, Unit of Work, IoC, Three-Tier Architecture, Entity Framework Core, DB First, Web API, Swagger, OpenAPI, Python, Oracle, HYPARCHIV, Azure, PowerBI, DevOps, AKS (Azure Kubernetes Service), GIT, xUnit, NSubstitute, TypeScript, Vue.js, Pinia,
Methods: agile development using Scrum
Marcus B.
Last position:
Data Engineer at Deutsche Bahn AG via Scoore GmbH
- Development of ETL pipelines with Talend (7/ Enterprise)
- Development/adaptation of database schema/database functions (PostgreSQL)
- Development of GIT CI pipelines
Technologies: Talend Enterprise, Git, PostgreSQL, Dbeaver, SQL, PL-SQL, Liquibase
Rainer D.
Last position:
Enterprise Architecture Management / Backend Software Developer at Polizei Hamburg
- Several projects in a police context
- Model and document police procedures/projects with Archimate (as-is/to-be) in the context of P20 (BKA)
- Create software architectures with microservices
- POC development with Springboot/Docker/Kubernetes
- Project size: 10 people
- Enterprise architecture management with Togaf and Archimate
- Backend software development Springboot
- DevOps with Kubernetes
- Implemented using: Java 17/21, Springboot 3, P20 architecture, Togaf, Archimate
Alex O.
Last position:
Contractor at Telefonica Germany GmbH & Co. OHG
- Data-analysis, Preparation, gathering and coordination of business requirements for retrieval of monthly- and long term (CLV – relevant) cost- and revenue-components per contract for a customer–base–grouping project (HUB–Project) for B2C-Postpaid-Controlling
- Concept and Implementation of cost- and revenue-KPIs calculation and corresponding CLV–reports (Oracle, Perl, SVN, MS SQL Server, MS Power BI, Serviceware Performance Analytics)
- Operational support of the HUB-Project – various ad-hoc reports, deployments, job-scheduling etc. (Oracle, SVN, BICSuite–Scheduler, DWSODA etc.)
- Analysis, implementation, retrieval and reporting of various physical and financial KPIs for B2P-Prepaid Business on an existing data-mart (Oracle, Perl)
Guido B.
Last position:
Independent Management Consultant and Interim Manager at BCTC Unternehmensberatung Guido Bäcker
Consulting, training, and coaching in the financial sector on strategy, organization, and IT topics
MorgenFund: Advising the operator of a fund platform on software selection for a sub-ledger "Cash Accounts" based on Virtual IBANs (VIBAN)
Structuring requirements, market screening, creating RfIs, communicating with vendors, and conducting the selection process
UniCredit/HypoVereinsbank: Workstream lead "Booking and Customer Reporting" in the payment transformation project "PULS"
Business analysis, creating business requirements and aligning solution items as part of the functional specification with the bank's IT service providers
Business analysis of SEPA CT and SWIFT MX (.camt, .pain, and .pacs formats), change management, team lead for a virtual team of fifteen line experts, and stakeholder management
equensWorldline Germany: Program management for three projects of the SWIFT service bureau (CBPR+, ESMIG, and Euro1Step1 migration) as part of the SWIFT MX migration
Managing individual project managers regarding overarching goals and requirements; reporting to internal and external committees and stakeholders; coordinating with dependent projects and programs
Project management/PMO: interim project management, stand-in for project managers, resource planning, budget and cost management, general PMO tasks
Hartmut U.
Last position:
Freelancer at Freelancer
Projects at Raiffeisen Software Group (RSG), Linz from 2022-01-01 to 2025-03-31: application development on mainframe with PL/1, DB2, JCL, Tabex; development environment with idz, Jira, Dimensions, Confluence; execution of projects in banking reporting (own funds, capital requirements, large exposures, leverage ratio)
Project at Airbus, Hamburg from 2020-01-01 to 2022-12-31: mainframe system enhancements (TAKSY) in agile environment (Scrum, SAFe); business analysis; technical design; implementation (PL/1, DB2, IMS, JCL); test management; deployment
Gunnar W.
Last position:
IT-Consultant at Independent Freelancer
- Enterprise and IT strategy
- Digital transformation
- Process and portfolio management
- Interim IT management
Marcel S.
Last position:
Lead Developer / Software Architect at RezeptprĂĽfstelle Duderstadt GmbH
Responsible for the new development of billing and auditing software for prescriptions (prescriptions) to fully check and evaluate e-prescriptions for correctness (content, billing)
The system consists of several contexts that run as services (Docker containers):
Checking and processing data deliveries via FTP and email
Managing invoices, clearings, advance payments and deductions
Managing and running audit rules and audit folders
Evaluations based on Metabase
Developer Stack: Kotlin, Vue 3 / Vuetify 3, ANTLR, Spring Boot 3, REST API, Gradle, Docker, GitLab, PostgreSQL, Kafka, Keycloak, Scrum, Grafana, Loki, Testcontainers, Prometheus
Rolf G.
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
JĂĽrgen B.
Last position:
Software Developer at Inform AG
- Coaching junior developers
- Further development and customer-specific extensions of a standard software product (microservices (DDD) and partly monolith)
- Interface extensions
- Web services
- Test automation
- Design
- Technologies used: Java8, Java17, TypeScript, Python, PostgreSQL, Spring (Integration, Data, Boot), JPA, AWS (Cloud, Lambda, EC2, SQS/SNS), Microservices, Fitnesse/Cucumber, Gitlab
Adrian H.
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
Guido S.
Last position:
Freelancer at IT Consulting GS
Discover over 15,000 top freelancers
Statistics of experts using PL/SQL
Aggregated from the professional profiles of matched freelancers.
Experience
29 years (Germany: 24 years)
Position duration
3.7 years (Germany: 3.2 years)
Positions per freelancer
14 (Germany: 17)
Top business areas
Information Technology, Project Management, Quality Assurance
Top industries
Banking and Finance, Information Technology, Healthcare
Certification focus areas
Information Technology, Project Management, Product Development
Bachelor's degree or higher
91% (Germany: 85%)
Master's degree or higher
73% (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 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 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.
- Banking and Finance (71%)
- Information Technology (71%)
- Healthcare (64%)
- Transportation (57%)
- Retail (57%)
- Energy (43%)
- Manufacturing (43%)
- Aerospace and Defense (36%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Oracle database logic
PL/SQL is Oracle’s procedural extension to SQL. It lets teams place business rules, validation, transaction handling and data processing close to the database. Companies use it for reliable back-end services, reporting logic, financial workflows and enterprise applications that depend on Oracle Database.
Core deliverables
PL/SQL specialists create and maintain database components that support critical operations. Typical deliverables include:
- Stored procedures, functions and packages
- Triggers, views and data validation routines
- Batch processing and migration scripts
- SQL queries tuned for demanding workloads
- Automated tests and deployment-ready database changes
Oracle ecosystem
Effective PL/SQL work involves more than writing procedural code. Professionals usually work with Oracle Database, SQL, data modelling, indexing, transactions and execution plans. Depending on the environment, they also use Oracle Forms, Oracle Reports, APEX, REST interfaces, Java services, reporting tools and source-control workflows.
When expertise matters
Companies bring in freelance PL/SQL expertise when an Oracle system needs safer change, better performance or specialist capacity. This is common during modernization, ERP integration, data migration and the replacement of fragile scripts. In Hamburg, professionals may support logistics, finance, manufacturing and public-sector systems through remote collaboration or on-site workshops.
Signs you need support
A focused specialist can help when database work has become a delivery constraint. Strong signals include:
- Slow queries with unclear execution plans
- Business rules duplicated across applications
- Risky releases involving manual database changes
- Large migrations with strict data-quality needs
- Limited internal capacity for Oracle maintenance
Strong professional practice
The best PL/SQL professionals connect database detail with business impact. They write readable packages, handle errors and transactions carefully, test edge cases and explain trade-offs clearly. They also understand when logic belongs in the database and when an API or application service is the better boundary. For Hamburg teams, clear German or English communication can make remote and on-site delivery smoother.
Frequently asked questions
Key details about PL/SQL, drawn from the questions we get asked most.
PL/SQL is used to extend SQL with procedural logic inside Oracle Database. It supports stored procedures, functions, packages, triggers, validations, batch jobs and transaction-heavy business processes.
PL/SQL keeps data-focused logic close to Oracle Database, which can reduce data movement and simplify transaction handling. Application languages such as Java or C# may be a better fit for user interfaces, external integrations and broader service orchestration.
A strong PL/SQL specialist should understand SQL tuning, data modelling, indexing, transactions and Oracle security. Experience with Oracle APEX, Forms, REST integration, ETL processes or Java can also be valuable, depending on the system.
The right level depends on the scope and risk of the work. PL/SQL maintenance may need solid knowledge of packages and queries, while a migration or performance recovery calls for proven experience with execution plans, data integrity and production change control.
Yes. PL/SQL work is often suitable for remote collaboration when database access, documentation and release procedures are well prepared. On-site sessions in Hamburg can still help with discovery, stakeholder workshops and complex cutovers.
Ask how the professional approaches query analysis, testing, rollback planning and deployment safety. A capable PL/SQL freelancer can explain past database changes in clear terms and show how they protect data while improving maintainability.
PL/SQL remains relevant when core business rules and data operations already run in Oracle Database. Modernization does not always mean removing it; specialists can refactor legacy packages, expose controlled APIs and move only the logic that benefits from another layer.
English is widely used in technical documentation and distributed delivery. Oracle PL/SQL projects in Hamburg may also benefit from German communication when specialists work closely with local business teams, process owners or regulated operations.
The average hourly rate of freelancers in Hamburg, Germany who have used PL/SQL in their recent projects is 103 €, which corresponds to a daily rate of about 821 € based on an 8-hour working day.
Of the freelancers in Hamburg, Germany who have used PL/SQL in their recent projects, 91% hold at least a Bachelor's degree and 73% hold at least a Master's degree.
On average, freelancers in Hamburg, Germany who have used PL/SQL in their recent projects have 29 years of professional experience, with a single engagement typically lasting around 3.7 years.
The most common languages among freelancers in Hamburg, Germany who have used PL/SQL in their recent projects are German (100%), English (100%), and French (14%).
The most common industries among freelancers in Hamburg, Germany who have used PL/SQL in their recent projects are Banking and Finance (71%), Information Technology (71%), and Healthcare (64%).
The most common business areas among freelancers in Hamburg, Germany who have used PL/SQL in their recent projects are Information Technology (100%), Project Management (93%), and Quality Assurance (71%).
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 
Munich 
Cologne 
Frankfurt 
Stuttgart 
Dusseldorf 
Essen 
Hanover 
Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
