PL/SQL Experts in Hamburg
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Meet FRATCH Experts in Hamburg, who have recently used PL/SQL
Guido B.
Last position:
Self-employed 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, preparing 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, preparing business requirements and coordinating the 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 leadership 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 leads with regard to cross-project goals and requirements; reporting to internal and external committees and stakeholders; coordination with dependent projects and programs
Project management/PMO: Interim project management, deputizing for project leads, resource planning, budget and cost management, general PMO activities
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 with 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 the 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
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
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)
Rolf G.
Last position:
Developer & Designer at Sicherheitsbehörden
- Migration of a case management system with numerous interfaces to other systems from Spring and Activiti to a Java JEE application
- Further development toward 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 of 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
Gunnar W.
Last position:
IT-Consultant at Independent Freelancer
- Enterprise and IT strategy
- Digital transformation
- Process and portfolio management
- Interim IT management
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
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
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
3.9 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 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Hamburg 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 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 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.
- 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 Database’s procedural extension of SQL. It combines queries and data manipulation with variables, conditions, loops, exception handling and reusable program units. Companies use it to keep business rules close to the data and to process transactions reliably inside the database.
Core Deliverables
PL/SQL specialists create database components that support critical applications and operational workflows.
- Packages, stored procedures, functions and triggers
- Data migration and transformation routines
- Batch processing and reconciliation jobs
- Reporting logic and integration interfaces
- Query tuning and transaction handling
Ecosystem and Skills
Strong PL/SQL work usually includes Oracle Database, SQL, relational modelling and performance analysis. Specialists may also work with Oracle Forms, Oracle Reports, APEX, Java, REST services, Linux scripting and tools such as SQL Developer. Version control, automated testing and clear deployment scripts help keep database changes safe.
When Companies Need Help
Freelance expertise is useful when an Oracle estate needs modernization, a release is blocked by database logic, or internal teams face a complex migration. It can also help when slow queries, locking, failed batch jobs or unclear dependencies create operational risk. In Hamburg, this work appears across logistics, manufacturing, finance, healthcare and public-sector systems, with collaboration arranged on-site, remotely or in a hybrid setup.
Quality Signals
A capable professional explains data dependencies before changing production logic. They use execution plans, sensible indexing, transaction boundaries and measured optimization rather than guessing. Look for experience with exception handling, concurrency, testing, rollback plans and documentation. Clear communication matters when database changes affect application teams and business operations.
Working with Specialists
Before engaging a freelancer, define the Oracle versions, schemas, interfaces, deployment process and operational constraints involved. Share representative queries, performance symptoms or migration rules without exposing sensitive data. Hamburg-based teams may value German communication for workshops, while many specialists collaborate effectively in English across remote teams. The right expert leaves maintainable code and a clear handover.
Frequently asked questions
Key details about PL/SQL, drawn from the questions we get asked most.
PL/SQL is used to add procedural logic to Oracle Database applications. Companies rely on it for stored procedures, packages, triggers, data validation, batch processing, reporting logic and transaction-heavy workflows.
PL/SQL runs close to Oracle data, which can reduce data movement and keep transactions consistent. Application-layer languages such as Java or C# are often better for user interfaces, broader service orchestration and integrations, so many systems use both.
PL/SQL work is stronger when paired with advanced SQL, Oracle Database administration knowledge, relational data modelling and performance tuning. Experience with Oracle APEX, Forms, REST integrations, Java, Linux scripting and version-controlled deployments can also be valuable.
A strong PL/SQL freelancer should have handled work comparable to the project’s risk and complexity, such as production migrations, critical batch processing or performance issues. Ask for concrete examples of diagnosis, testing, deployment and recovery rather than relying only on technology lists.
PL/SQL projects can usually be delivered remotely when database access, environments and release procedures are organized securely. On-site workshops in Hamburg may help with legacy-system discovery, stakeholder alignment or sensitive operational processes, while day-to-day work can remain hybrid.
Review whether PL/SQL code has clear structure, controlled exception handling, safe transaction boundaries and useful tests. A quality specialist can explain execution plans, indexing decisions, locking risks and rollback options in terms that both technical and business stakeholders understand.
PL/SQL is common in established Oracle estates, but it also supports modern services, analytics workflows and Oracle APEX applications. The right design depends on data ownership, integration needs, operational constraints and whether logic belongs in the database or an application service.
Before taking on PL/SQL work, clarify the Oracle Database version, schema ownership, deployment path, test data, access rules and production support expectations. Also confirm whether the assignment covers new database logic, troubleshooting, modernization or migration, because each requires a different approach.
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 3.9 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.
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Stuttgart 
Dusseldorf 
Essen 
Hanover 
Nuremberg Request a free demo
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