
Oracle Database Experts in Hamburg
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Meet FRATCH Experts in Hamburg, who have recently used Oracle Database
Yashar S.
Last position:
Compliance Consultant at RAS Reinhardt Maschinenbau GmbH
- Designed and moderated a NIS2 preparation workshop for RAS Reinhardt Maschinenbau GmbH and its IT service provider Catuno GmbH. Together with executive management and IT leadership, the current status was assessed, an initial GAP analysis was conducted and areas for action were prioritized based on ISO 27001.
- Developed an ISO-27001-based regulatory framework (ISMS) for NIS2 compliance, including a structured current/target GAP analysis, targeted improvement of the security maturity level and preparation of the organization for NIS2 audit readiness.
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
Niko S.
Last position:
Developing Architect, Technical Lead "gridlytics" at HH Energienetze
- Building a data integration platform for high, medium, and low voltage assets for contextual analysis of time series with master data from the SCADA control system (IEC 60870 104), INIS, and SAP.
- Responsibility for the architecture and implementation of the solution, as well as sparring partner for the Product Owner.
- Use of Kotlin, Spring Boot, Maven, TimescaleDB, PostgreSQL, liquibase, Elements IoT, Docker, Kubernetes, Grafana, Python, jupyter, and various API gateways.
Udo N.
Last position:
Project Manager / Rollout Coordinator at BWI
Rollout of printers and PCs
- Effective management of external service providers to ensure smooth operations.
- Planning and implementation of a global rollout for 150,000 clients.
- Carrying out a comprehensive risk analysis, including overall risk, site-specific risks, and security risks.
- Successful consolidation of two existing ServiceNow systems to optimize service management.
- Close coordination with program management to achieve the project goals.
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)
Lutz H.
Last position:
Fractional CTO, Interim Engineering Manager, Architect at independent
Strategic technology leadership and architecture consulting.
- Fractional CTO & interim management for startups, scale-ups, and enterprises – technical strategy, team building, architecture oversight, and delivery.
- Architecture consulting on cloud-native, distributed, and event-driven systems: reviews, design partnerships, and ongoing advisory.
- Event-driven architecture training – a hands-on 2-day course for engineering teams
- Conference speaker on distributed systems
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
Bastian I.
Last position:
Senior Backend Engineer Go & Technical Consultant at Regulated trading system for digital assets
- Technical consulting to meet regulatory MiCA requirements for a digital trading platform
- Design and development of backend components and APIs to comply with transparency and auditability requirements
- Optimization of core functions in order execution and market data delivery with a focus on performance and reliability under high load
- Conducting job interviews and structured onboarding of new developers
- Successful and timely implementation of the regulatory MiCA requirements, ensuring uninterrupted operations
- Reduction of user issues and common support requests by fixing complex backend problems
- Strengthening the development team through effective onboarding, mentoring, and knowledge sharing
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
Shahram D.
Last position:
IT Project Manager & Consultant (Design and Implementation of EU Regulations) at Witt Group / Otto Group
- Planning, management and monitoring of the Corporate Responsibility Tech Enablement project for IT
- Design and implementation of the EUDR (EU Deforestation Regulation)
- Design and implementation of the Eco-Design Regulation
- Continuation of projects as part of the Corporate Responsibility strategy
- Definition and review of requirements (e.g. governance, success metrics) and, where necessary, analysis and resolution of problems
- Overall management, marketing, communication and quality assurance of the projects
- Creation of the project plan including timeline/roadmap, budget and resources
- Ensuring compliance with budget and deadlines
- Defining project management guidelines, methods and priorities
- Planning and tracking resources & efforts, also in cooperation with other IT departments
- Evaluation of projects and preparation of results (reporting to management)
- Identification and reduction of risks
- Regular communication with stakeholders
- Management of internal and external stakeholders and service providers (Jira, Confluence, backlog management, task tracking, Sharepoint, MS 365 Platform etc.)
- Development of standards and automation of processes
- Technical design and documentation of the Digital Product Passport
- Selection and evaluation of potential software providers
- Training and workshops on Osapiens
Label: Azure Cloud, Jira, Confluence, Power BI, SAP BW, AWS, Miro, Bee360, Draw.io, Sharepoint, MS 365 Platform, Trello, Osapiens, Naravero etc.
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
Serkan U.
Last position:
Manager Finance, Risk & Regulatory Reporting at movisco AG
- Project leadership and management
- Implementing reporting solutions in banks
- Enhancing and optimizing reporting processes in bank finance and risk departments
- Consulting through all phases of regulatory requirement implementation, including requirements analysis, defining business requirements, testing, tool development, and audit-compliant documentation
- Supporting regulatory implementation projects
- Analyzing business requirements and implementing reports
- Acting as a liaison between business and IT
- Publishing on regulatory changes
- Training internal colleagues on regulatory topics
Discover over 15,000 top freelancers
Statistics of experts using Oracle Database
Aggregated from the professional profiles of matched freelancers.
Experience
21 years (Germany: 23 years)

Position duration
2.1 years (Germany: 3.1 years)

Positions per freelancer
16 (Germany: 15)

Top business areas
Information Technology, Product Development, Project Management

Top industries
Information Technology, Banking and Finance, Transportation

Certification focus areas
Information Technology, Project Management, Product Development
Bachelor's degree or higher
80% (Germany: 88%)
Master's degree or higher
45% (Germany: 54%)
Doctorate
9% (Germany: 7%)

Certifications per freelancer
3

Most common languages
German, English, French

Speak two or more languages
95% (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.
Discover detailed Oracle Database rate benchmarks:
Explore rate insightsAverage rates of experts in Hamburg using Oracle Database
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.
Oracle Database 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 (89%)
- Banking and Finance (56%)
- Transportation (56%)
- Retail (56%)
- Professional Services (49%)
- Manufacturing (44%)
- Healthcare (33%)
- Energy (29%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Core technology
Oracle Database is a relational database management system for transactional workloads, analytics and highly controlled enterprise data. It supports structured schemas, SQL, PL/SQL, strong consistency, recovery features and security controls. Companies use it for finance, logistics, manufacturing, public services and complex line-of-business applications.
Enterprise workloads
Oracle Database fits systems where data integrity, availability and predictable performance matter. It commonly supports ERP, billing, supply chain, customer records, reporting and data integration. In Hamburg, specialists often work with organizations whose operational systems must connect reliably across offices, warehouses and remote teams.
Ecosystem and tooling
- Design schemas, indexes, partitions and high-availability setups
- Develop SQL, PL/SQL packages, procedures, triggers and data models
- Manage Oracle RAC, Data Guard, RMAN and Enterprise Manager environments
- Connect applications through JDBC, OCI, ODP.NET and REST services
Oracle Database projects may also involve Linux, cloud infrastructure, Oracle Cloud, Kubernetes, Java, .NET, ETL tools and business intelligence systems. Strong specialists understand how these components affect the database rather than treating it as an isolated product.
When expertise matters
Companies bring in freelance Oracle Database experts during migrations, major upgrades, performance incidents and modernization programs. They may need help moving workloads to Oracle Cloud, reducing operational risk or integrating older applications with new services.
- Slow queries, locking or unstable batch jobs need investigation
- A legacy schema must support new products or reporting demands
- Backup, disaster recovery or access controls require validation
- Internal teams need a focused handover before a critical launch
Delivery and collaboration
A capable professional starts with workload analysis, data-flow mapping and clear success criteria. They can work on site in Hamburg, remotely or in a blended setup, provided access, documentation and decision paths are agreed early. German and English collaboration may both be relevant in international teams.
Expected deliverables include migration plans, tuned SQL, tested recovery procedures, monitoring rules, deployment documentation and practical runbooks. The work should fit existing release, security and change-management processes.
What quality looks like
Strong Oracle Database professionals explain trade-offs in plain language and validate changes with evidence. They understand execution plans, statistics, indexing, partitioning, transactions, concurrency and resource management. They also know when a database issue is caused by application code, storage, networking or integration design.
Look for experience with comparable workloads, disciplined testing and clear documentation. A good specialist leaves behind measurable operating practices, repeatable procedures and a system the internal team can maintain with confidence.
Frequently asked questions
Questions about Oracle Database? Start with the answers below.
Oracle Database stores and processes structured business data for transactional applications, reporting and analytics. It is common in finance, logistics, manufacturing, telecommunications, public services and enterprise resource planning.
Oracle Database is often chosen for complex enterprise workloads, mature high-availability options, advanced security and deep operational tooling. PostgreSQL and Microsoft SQL Server can be strong alternatives, so the right choice depends on existing systems, licensing, team skills, cloud strategy and workload requirements.
A strong Oracle Database specialist may also work with Linux, PL/SQL, Java, .NET, Oracle Cloud, networking, storage and infrastructure automation. Experience with data integration, monitoring, backup, recovery and application performance is valuable for end-to-end delivery.
The need depends on the risk and scope of the work. A focused SQL or reporting task may suit a specialist with a narrow brief, while migrations, recovery design, RAC, Data Guard or major performance incidents call for proven experience with comparable environments.
Oracle Database work can often be completed remotely when secure access, monitoring data and clear change procedures are available. On-site collaboration in Hamburg may help during cutovers, infrastructure reviews or workshops involving sensitive systems and several stakeholder teams.
A careful professional reviews workload patterns, dependencies, execution plans, backup status, recovery objectives and rollback options before making changes to Oracle Database. They should test safely, document the decision and define how the result will be monitored after release.
Ask for examples of comparable Oracle Database work, the reasoning behind past design decisions and the way risks were controlled. Strong answers cover testing, observability, recovery, documentation and collaboration with application and infrastructure teams rather than focusing only on individual commands.
Freelance specialists often support migrations, version upgrades, cloud adoption, schema redesign, SQL tuning, disaster recovery and integration projects involving Oracle Database. They can also provide temporary operational cover, incident analysis or knowledge transfer when internal capacity is limited.
The average hourly rate of freelancers in Hamburg, Germany who have used Oracle Database in their recent projects is 99 €, which corresponds to a daily rate of about 793 € based on an 8-hour working day.
Of the freelancers in Hamburg, Germany who have used Oracle Database in their recent projects, 80% hold at least a Bachelor's degree, 45% hold at least a Master's degree, and 9% hold a doctorate.
On average, freelancers in Hamburg, Germany who have used Oracle Database in their recent projects have 21 years of professional experience, with a single engagement typically lasting around 2.1 years.
The most common languages among freelancers in Hamburg, Germany who have used Oracle Database in their recent projects are German (100%), English (93%), and French (20%).
The most common industries among freelancers in Hamburg, Germany who have used Oracle Database in their recent projects are Information Technology (89%), Banking and Finance (56%), and Transportation (56%).
The most common business areas among freelancers in Hamburg, Germany who have used Oracle Database in their recent projects are Information Technology (100%), Product Development (75%), and Project Management (75%).
Main locations of FRATCH Experts, who have recently used Oracle Database
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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