DbVisualizer Experts in Germany
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Meet FRATCH Experts in Germany, who have recently used DbVisualizer
Eric B.
Last position:
Quality Assurance Manager (QSV) at Federal Employment Agency
Supporting the International Web Presence of the BA (IntWeb) project in the area of quality management, with the aim of taking responsibility for the quality of processes and project results while considering BA standards. The main objectives of the project are to give professionals abroad a quick overview of their opportunities for moving to Germany and to enable them to take the necessary steps consistently and with digital support by providing access to services.
Defining the general guidelines in the QA handbook
Summarising test results in QA reports for PLA
Analysing project results for improvement opportunities
Quality management of requirements analysis (particularly processes, methods, and tools)
Ensuring compliance with SERA requirements
Creating a cross-project test concept
Agreeing on sprint completion reports
Formal review of work results in accordance with requirements and/or the project plan
Contact person for internal audit, external audits by auditors, or BRH (Federal Court of Audit)
Technologies: JIRA, Confluence, MS Office, GitLab, Kubernetes
Franziska K.
Last position:
Business Analyst at ALH Group
VALUE ADDED:
The structured analysis and further development of business requirements and processes is driving the modernization of contract administration in a focused manner. Complex business matters and dependencies are made transparent, optimization potential is identified, and transferred into scalable solution approaches that enable as much straight-through processing as possible. This creates clearer and more efficient processes as well as reliable decision-making and implementation foundations for business departments, architecture, and development.
- Development of business requirements and processes for the further development and modernization of contract administration
- Creation and further development of business concepts, process descriptions, and decision-making documents for implementing new and optimized processes
- Analysis of existing processes and identification of optimization potential to simplify and scale processes
- Structuring of complex business matters in a dynamic project environment to ensure transparency and traceability for all involved
- Identification and clarification of business dependencies and interfaces, especially in interaction with adjacent systems and departments
- Contribution to business target models and development of solution approaches for new, scalable processes that also enable straight-through processing
- Leadership and moderation of business workshops to coordinate and further develop requirements with internal stakeholders from business departments, architecture, and development
- Prioritization of business topics and requirements for targeted implementation
- Support with testing, reviews, and quality assurance, including the creation and coordination of business test cases to verify the implemented solutions
- Use of SharePoint and Kanban to document and manage tasks
Philipp G.
Last position:
Data Scientist & ML Engineer at Data-Science Factory GmbH
- Building, implementing and selling automated Data Science solutions such as Scorecard Factory and Forecast Factory
- Implementation of automated end-to-end cloud processes
- Development of LLM and NLP models
- Creation of interactive reports
- Support for national and international large corporations as well as medium-sized companies in implementing ML projects
Ulf H.
Last position:
Configuration Manager (Interim) at In-house Development
- Requirements analysis and replacement of local SharePoint as CMDB with open source NetBox to prepare for deploying Cisco ACI (SD-WAN) with Microsoft Azure
- Coordination with systems like Checkmk and Grasp
- Introduction and coordination of cmdbsyncer as CMDB data hub; further development of the syncer with Kuhn & Ruess GmbH
- Implementation of SNMPv3 on AIX LPAR/VIO, Linux, Windows, SAN/storage, network components (Cisco switches, F5 load balancers, Palo Alto and CheckPoint firewalls, iLO boards)
- Deployment and further development of the network scanner JDisc in cooperation with the vendor (Utimaco HSMs, Linux detection)
- Integration of NetBox, JDisc, and cmdbsyncer into the infrastructure using Docker containers
- End-user training: preparation, creation of materials, and delivery
- Creation of data flow and network diagrams
- Population and planning of IPv4/IPv6 with NetBox including VLAN import
- Dual-stack setup of servers and clients with IPv4 and IPv6
- Connection of REST interfaces for Checkmk, JDisc, vSphere, HMC, i-doit, NetBox Software: Confluence, Jira, MS Office 365, Teams, i-doit, NetBox, JDisc, cmdbsyncer, DB Visualizer, vSphere, HMC
Kyu-Wang L.
Last position:
Software Architect & Lead Software Engineer at Landesamt für Steuern Niedersachsen
The goal of BIENE is to provide a unified tax collection program for all federal states.
Tax collection involves collecting the taxes that have been assessed. This includes, for example, taking due dates into account, recording incoming and outgoing payments, and initiating reminders or refunds. Limitation periods and payment reminders are also important. BIENE handles all payment transactions with banks and accounting.
Set up the architecture and coordinated the provision of development and test environments at the Hannover site
Installed and configured the environments on Linux servers (Apache Kafka, PostgreSQL)
Interface coordination: coordinated and aligned the connection of software products from other departments and their test data
Migrated the application server, JDK, and Maven project structure
Coordinated environments and managed builds
Implemented external interfaces
Delivered business requirements
Designed and implemented RESTful APIs and OpenAPI specifications
Designed and implemented a microservice architecture
Set up and maintained CI/CD pipelines
Deployed applications on OpenShift
Created technical documentation and diagrams
Worked with SQL databases (Oracle and PostgreSQL)
Set up authentication and authorization for the application and users
Containerized the application (automated deployment through the CI/CD pipeline)
Knud W.
Last position:
Lead Programmer, Architect and Deputy Product Owner at Bundesagentur für Arbeit
- Lead programmer, architect and deputy product owner
- Completed transition from zPDV to STEP
- Ensured quality of C++ and Perl sources through automated and manual checks
- Supported resolution of incidents and errors in testing
- Implemented batch for supplementary assignment of payment run numbers
- Implemented batch for distribution of SGB 2 information to the central payment unit
- Supported replacement of Solaris with Linux
- Upgraded gcc from 7.4 to 9.3
- Programmatically generated Makefiles from Borland projects for builds
- Extended funding data with new attribute “Kennzeichen Fahrtkosten Praktikum”
- Programmatically generated XSD and WSDL files from IDL definitions
- Represented the product owner when needed
- Implemented batch for one-time payment processing
- Developed generator for Liquibase files
- Implemented and maintained regular anonymization of production data
- Supported migration from SLES 12 to SLES 15
- Supported introduction of mutual TLS
- Implemented batch for sending deletion impulses to EDA BE
- Organized script directory structure
- Investigated potential introduction of String-Latin and implemented minimal solution
- Remediated security findings identified by CheckMarx
- Supported PAP recalculations and general change notices
- Converted ERP interfaces from SOAP to REST
- Planned technical and business topics such as register modernization, cash register security, training costs, four-eyes principle
Mario T.
Last position:
Project Lead/Manager / Consultant at all-BI GmbH
- Establishing the Microsoft Fabric platform with the company as the central data warehouse and reporting system.
- The company migrated several operational systems including D365 to new version. The new data warehouse is based on a Fabric/Power BI architecture with Azure cloud Entra Authentication.
Tasks Performed:
- Full administrative responsibility for the Fabric platform F64 and F32 capacities, as well as two F8 capacities for development and prototyping.
- Integration of Fabric with Microsoft Entra.
- Data modeling for the data warehouse bronze, silver and gold layers using data modeling tools.
- Star Schema as well as entity relationship modeling.
- Data modeling for data marts and for dimensional modeling and Power BI (semantic model).
- Design of data models for Microsoft SSAS multidimensional and tabular OLAP cubes using DAX and MDX.
- Definition of design patterns for the ETL team for loading OLAP cubes (Tabular and MD), star schemas and data vault structures.
- Planning and managing team of 4 ETL and reporting developers.
- Performance Tuning of Power BI reports, particularly the semantic layer, as well as the Fabric notebooks
- SQL Performance Tuning.
- DB Design for Azure SQL.
- Reporting directly to project senior management.
Label: Power BI, Fabric, Analysis Services (multidimensional and tabular), D365, SSIS, Tabular Editor, SQL Server and Azure SQL, TOAD Data Modeler, DBSchema, Visual Studio Code, DAX Studio, SSMS, Visual Studio, Jira and Confluence.
Christian W.
Last position:
Technical Senior Tester and Test Manager at Christian Wegener Beratung
Creation and review of test conditions
Execution of functional tests
Defect management
Supplier management
Team coordination
Estimation of test effort and reporting
Test planning
Further development and new development of integrated schedule systems
Java web client/Linux server, Oracle Instantclient/Oracle Database Appliance Server, Unix, ESB – Enterprise Service Bus, SQL, TIBCO EMS – Enterprise Message Service/JMS, REST, Impero Guest
HP ALM / Micro Focus Quality Center, Citrix, JIRA, XRAY, Impero Guest, MobaXTerm, Confluence, Sharepoint, MS-Teams, MS-Office
Moez S.
Last position:
Data Engineer at Loschelder Rechtsanwälte Partnerschaftsgesellschaft mbB
- Designed a future-proof client database for marketing purposes
- Analyzed requirements, designed, and modeled an entity-relationship model
- Consolidated and optimized a client file from various data sources for targeted marketing campaigns
- Worked closely with marketing and IT in an agile environment to iteratively develop the solution
- Technologies and methods: MS Office (mainly Excel), MS Dynamics CRM, MS SharePoint
Andreas A.
Last position:
IT-Application Manager at IHK-GfI
- Gathering, analyzing, specifying, and prioritizing requirements for the 'Archive and Delete' module of the Chambers of Industry and Commerce in a Scrum team
- Capturing and specifying screen/form designs, functionality, and data types in Confluence, as well as creating user stories in Jira
- Preparing PowerPoint presentations for the 'Archive and Delete' module
- Coordinating and supporting the Chambers of Industry and Commerce in the implementation of the module
- Writing SQL scripts for an Oracle database
- Technologies used: Scrum, Confluence, Jira, MS Office, Postman, JavaScript, REST API, JSON, DBVisualizer, SQL
Blaise-Vincent D.
Last position:
Technical Project Manager at DBIT GmbH
- Managed technical projects for passenger information systems in rail vehicles
- Managed project and requirements management and efficient use of resources
- Created cost plans and conducted risk assessments
- Coordinated staff management
Bernhard H.
Last position:
Conversion of external Excel and CSV delivery point lists for internal database interface, architecture at Stadtwerke Heilbronn
- Conversion of external Excel and CSV delivery point lists for the internal database interface.
- Stadtwerke receives delivery point lists from external service providers in Excel or as CSV files. These lists are not interface-compliant and must be converted for import into the database. Using Excel, the relevant data from the service providers for electricity and/or gas is prepared accordingly.
- Extension of the program with new features.
- Excel programming using VBA.
- Operating system: Windows 2010.
- Software: Excel, VBA.
Keith H.
Last position:
Senior Technical Business Analyst / Requirements Engineer / Product Owner at Deutsche Post E-Post Solutions
- SBAM (Sendungsbasiert Auftragsmanagement System) is the core component responsible for splitting customer deliveries into individual letters based on contractual agreements (OLA/SLA).
- Transformation from proprietary host-based AS/400 applications to a modern stack using Java, PostgreSQL, Apache Kafka, MinIO S3, Red Hat OpenShift, Keycloak SSO, Salesforce and Angular Material GUI.
- Application design, solution architecture, use case specification and OLA/SLA concept for end customers.
- Conduct solution architecture/design and requirements engineering (elicitation, documentation, validation, negotiation and ongoing management) in Confluence, including UML/BPMN process models.
- Development and analysis according to Scrum using Jira and Confluence.
- Design user journeys and UI experience; wireframing with Balsamiq and Figma.
- Document requirements as user stories and epics in Jira; create stakeholder and technical design documents.
- Participate in end-to-end solution design, architecture and event-driven messaging design.
- Perform process modelling (UML/BPMN with Draw.io), application internal architecture design and ERM/SERM data modelling.
- Lead sprint planning, story refinement, estimation, retrospective and review meetings; deliver C-level management presentations on OLA/SLA and order management.
Peter B.
Last position:
Data Warehouse Consultant (Development and Analysis) at Atruvia AG
- Developed and enhanced ETL loading jobs with IBM DataStage and optimized SQL in an IBM DB2 environment as part of the Agree21 data migration
- Analyzed data quality and developed test procedures
- Created PowerShell scripts and documented GIT deployment processes
- Technologies: RedHat Linux, IBM DB2 with DBVisualizer, IBM InfoSphere DataStage 11.7, JIRA, TortoiseGIT, TortoiseSVN, PowerShell scripts
Maximilian M.
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
Discover over 15,000 top freelancers
Statistics of experts using DbVisualizer
Aggregated from the professional profiles of matched freelancers.
Experience
28 years
Position duration
2.1 years
Positions per freelancer
22
Top business areas
Information Technology, Quality Assurance, Product Development
Top industries
Information Technology, Banking and Finance, Government and Administration
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
82%
Master's degree or higher
45%
Doctorate
9%
Certifications per freelancer
4
Most common languages
German, English, French
Speak two or more languages
100%
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 Germany 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 Germany using DbVisualizer
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.
DbVisualizer 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 (95%)
- Banking and Finance (80%)
- Government and Administration (65%)
- Insurance (55%)
- Energy (45%)
- Telecommunication (45%)
- Automotive (40%)
- Transportation (40%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Database visibility
DbVisualizer is a cross-platform database tool for connecting to, exploring and managing relational and selected NoSQL data stores. It gives teams a consistent desktop workspace for browsing schemas, writing SQL, inspecting results and documenting database structures. Its interface reduces the need to switch between vendor-specific tools during development and operations.
SQL and analysis
Experts use DbVisualizer to write, format and troubleshoot SQL against live or controlled environments. They configure connections, inspect execution plans, compare query results and work with large result sets without losing context. Strong practice includes careful transaction handling, read-only access where appropriate and clear separation between development, test and production databases.
Database ecosystem
DbVisualizer connects through JDBC drivers to systems such as PostgreSQL, MySQL, MariaDB, Microsoft SQL Server, Oracle Database, Snowflake and other supported databases. Its wider toolkit can include schema diagrams, data editors, query history, bookmarks, formatting preferences and connection management. Professionals should understand both DbVisualizer and the behavior of the underlying database engine.
Typical project work
- Establish secure connections and reusable database profiles
- Investigate slow queries, locks, indexes and execution plans
- Review schemas, relationships and data quality issues
- Prepare SQL scripts, exports and repeatable database checks
- Document database structures for technical and business teams
DbVisualizer can support migration preparation, reporting investigations, integration testing and operational troubleshooting. In Germany, it is useful for distributed teams working across internal data systems, packaged software and cloud-hosted databases.
When to hire expertise
- A team needs one interface across several database vendors
- SQL investigations are delaying releases or incident response
- Existing connection setups are inconsistent or difficult to maintain
- A migration requires schema review and controlled validation
Freelance expertise helps when the work is specialized but does not justify a permanent role. A professional can configure DbVisualizer, clarify database behavior, improve investigation workflows and leave behind documented procedures. Remote collaboration works well when access, security rules and communication channels are prepared in advance.
Signs of quality
Strong DbVisualizer professionals ask about the database engines, access model, environments and purpose of the work before changing anything. They distinguish a client-tool issue from a SQL, driver, network or database-engine issue, and they protect sensitive data while investigating. Look for practical knowledge of JDBC, SQL tuning, schema design, version control and operational handover, plus the ability to explain findings clearly to both technical and non-technical stakeholders.
Frequently asked questions
Everything clients usually want to know about DbVisualizer, in one place.
DbVisualizer is used to connect to databases, browse schemas, write and run SQL, inspect results and investigate database behavior. Companies also use it for query troubleshooting, data checks, documentation and routine administration support across different database vendors.
DbVisualizer provides a consistent interface across database systems through JDBC, while vendor tools often offer deeper features for one specific engine. It is a strong choice when teams manage varied environments, but a native tool may be preferable for engine-specific configuration or diagnostics.
A strong DbVisualizer specialist should also understand SQL, JDBC drivers, relational modeling, indexes, execution plans and access control. Experience with cloud databases, scripting, version control and incident investigation is valuable when the tool is part of a wider delivery or operations process.
The right level depends on the task. DbVisualizer configuration and straightforward SQL work may need focused product familiarity, while performance analysis, migration validation or production troubleshooting calls for a professional who understands the underlying database engine and its operational risks.
DbVisualizer is well suited to remote collaboration because its connection profiles, SQL work and findings can be reviewed through shared procedures and controlled environments. German teams should define access permissions, network paths, data handling rules and language expectations before the engagement begins.
Ask how the professional would isolate a slow query, validate a JDBC connection and protect production data during investigation. A capable DbVisualizer professional explains assumptions, tests changes safely, documents the result and connects tool behavior with the database engine rather than treating the interface as the whole solution.
No. DbVisualizer makes database work easier to inspect and organize, but it does not replace knowledge of SQL syntax, transactions, joins, indexes or execution plans. The quality of the outcome still depends on the professional's understanding of the database and the business question.
DbVisualizer Pro is the paid edition of DbVisualizer and includes advanced capabilities that can support more demanding database work. Freelancers should confirm which edition a client uses, which database drivers are approved and whether the assignment involves sensitive data or restricted environments.
The average hourly rate of freelancers in Germany who have used DbVisualizer in their recent projects is 98 €, which corresponds to a daily rate of about 782 € based on an 8-hour working day.
Of the freelancers in Germany who have used DbVisualizer in their recent projects, 82% hold at least a Bachelor's degree, 45% hold at least a Master's degree, and 9% hold a doctorate.
On average, freelancers in Germany who have used DbVisualizer in their recent projects have 28 years of professional experience, with a single engagement typically lasting around 2.1 years.
The most common languages among freelancers in Germany who have used DbVisualizer in their recent projects are German (100%), English (100%), and French (50%).
The most common industries among freelancers in Germany who have used DbVisualizer in their recent projects are Information Technology (95%), Banking and Finance (80%), and Government and Administration (65%).
The most common business areas among freelancers in Germany who have used DbVisualizer in their recent projects are Information Technology (100%), Quality Assurance (90%), and Product Development (85%).
Main locations of FRATCH Experts, who have recently used DbVisualizer
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 Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
