InterBase Experts in Germany
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Meet FRATCH Experts in Germany, who have recently used InterBase
Andreas Klös
Last position:
Test / QA / QS at KARDEX Software GmbH KARDEX Remstar
Testing adjustments to customer requests for warehouse / logistics software
Windows 10 / 11 Atlassian Tool Chain Agile testing / Kanban
Michael Müller
Last position:
IT PROJECT MANAGER (MS Exchange) at Statutory Health Insurance on behalf of Randstad Digital Germany (formerly AUSY Technologies Germany)
Migration from Exchange 2016 to Exchange 2019 and Exchange Online, as well as the introduction of a backup solution and an archiving solution. The goal was a secure, compliant, and high-performance modernization of the email and archiving infrastructure.
Responsibilities as IT PROJECT MANAGER: Overall project management and operational control / Ensuring adherence to costs and resources / Ensuring achievement of project objectives / Ensuring compliance with regulatory requirements and compliance guidelines, including ISMS, ITIL, and data protection regulations / Preparing and delivering management reports for the project sponsors and project committee / Coordinating interdisciplinary teams from Exchange, network, data protection, and IT security / Planning and executing the system migration from Exchange 2016 to Exchange 2019 / Planning and executing the system migration from Exchange 2019 to Exchange Online / Planning and implementing a backup solution for Exchange Online / Coordinating an EU-wide tender for an archiving solution including market analysis with potential vendors / Planning and implementing an archiving solution for Exchange Online / Coordinating and preparing the necessary BAS notifications in the project context / Coordinating and aligning with stakeholders (e.g. business units, external service providers, and suppliers) for requirements definition and implementation
Technical environment: MS Exchange 2016, MS Exchange 2019, MS Exchange Online, MS Office, MS Planner, MS PowerPoint, MS Project, MS Teams
Vitaliy Ryumshyn
Last position:
DevOps GitOps (temp) at Signal Iduna
- Responsible for Openshift/Kubernetes on-prem administration and developer support.
- Developed URP infrastructure automation with Python, Ansible, Kustomize and ArgoCD, Argo Workflow/Events stack.
- Wrote smoke and load tests for URP infrastructure utilizing Python, Kustomize and ApplicationSets.
- Helped to set up and deploy URP infrastructure in Google Cloud, GKE.
- Set up monitoring for URP and ArgoCD stack with Splunk Cloud.
- Performed system administration tasks across RedHat Linux, Kubernetes/Openshift, ArgoCD, GitLab, Bitbucket Enterprise, Kafka and MongoDB.
Wael Mansour
Last position:
Test Manager at Schwarz IT
- Design, planning, and test case analysis
- Integration testing
- Coordination of UAT in the lab and on site
- Creation of HW and SW test catalogs
- Communication of test results from REST services with the SAP team
- Support for branches in the EU until rollout
- Coordination of defect management and SW updates with the involved vendors
- Checking the configuration of the charging stations in the backend software for different countries
- Continuous reporting of the quality status to project management
- Documentation of the user manual in English and German
- Tools: Confluence, be.Energised, OCPP Postman, OPI, CCV (payone.elavon), Excel, it4you
Mario Brumm
Last position:
Management Consulting and Interim Management at Mario Brumm+ Consulting
- Transition processes before and after carve-outs including interim management
- Product strategy and positioning
- AI consulting using the AI Design Sprint method
Srecko Soric
Last position:
Test Consultant at PROSEQUM GmbH
- Taking over operational acceptance tests for internal and external applications in a preproduction environment
- End-to-end tests across multiple systems
- Planning and implementation of acceptances based on expected loads and service levels
- Creation of test plans and automated tests
- Monitoring of systems, log analysis and creation of test reports, monitoring charts and acceptance documentation
- Support during rollouts of security and OS patches in preproduction
- Load and performance tests as well as failover/rollback tests
- Testing SOAP/REST APIs with JMeter, Grafana and Kibana
- Batch tests with Bash and log analysis
- Load and performance tests of own applications
- Test automation with JMeter and PyTest
- Maintenance and creation of Bash scripting tests
- Manual system integration tests
Frank Speelmans
Last position:
Software and Database Developer at Frigosped GmbH
- Upgrading the existing Delphi 2010 version to Delphi 10.4.
- Making all software products Terminal Server compatible.
- Maintaining and enhancing the in-house shipping software until it is replaced by a newly purchased version.
- Technologies: Delphi 2010, Delphi 10.4, Advantage Database, DevExpress, Git, Devart, OOP.
Werner Mühlmann
Last position:
IT Support at DAVASO GmbH / Hays AG
IT support for billing software to manage payments between pharmacies, their billing centers and health insurance companies
Database development
MS SQL Server
SQL, T-SQL
Microsoft SQL Server Management Studio
Concept, architecture and design of MS SQL databases
Development and writing of scripts
Performance tasks
Master data maintenance
Software development
JIRA, Confluence
Git (CVS, TortoiseSVN)
Microsoft Visual Studio Professional 2019
VB.NET, C#
Optimization in the project portal and e-prescription
Wolfgang Felsen
Last position:
Delphi Software Developer at Goebel Instrumentelle Analytik
- Took over software development and further development of an HPLC and photometer control and evaluation system
- Skills: software development · software system engineering · Microsoft SQL Server · software design · Delphi · HPLC · analytics · PDF · product data management
Mohsen Danaei
Last position:
Quality Planning at iwis mechatronics GmbH
- Quality planning in the inquiry process for various customers (Vitesco, Bosch, VW, ...) in the field of sensors and mechatronics.
- Planning of test concepts for new products and in-house developments throughout the entire manufacturing process.
- Point of contact for customers.
- Analysis of error risks.
- Documentation of quality assurance measures.
- Designing test procedures and specific measurement methods, as well as evaluating quality and process metrics for similar series processes.
- Participation in planning component tests.
- Conducting product analyses and lessons learned, assessing and defining special characteristics, and evaluating quality and process metrics for similar series processes.
- Evaluating quality assurance agreements.
- Participation in manufacturability assessments (feasibility analyses) and in technical discussions with customers and suppliers.
- Business process analysis of customer inquiries.
Anton Klonov
Last position:
Head of Technical Overall Integration NSC / Hadoop Cloud Development at IABG
Head of technical overall integration NSC (National Secure Cloud project with about 60 employees).
Technical integration of all subprojects into one product, definition of interfaces, basic components of a cloud including hardware, technical architecture of the IABG base.
Development of a Cloud Management Platform (CMP) that can create a private/mixed cloud of any complexity based on a textual description with one click or interactively.
CMP also includes the complete hardware management cycle.
As a foundation, it uses Kubernetes, OpenStack, and Hadoop.
The management layer includes Harbor, Gitea, Longhorn, Keycloak, Rancher and Jenkins, which are automatically configured.
The private cloud can run any customer workloads, including a full Hadoop stack with HDFS, Spark, MapReduce, Mesos, HBase and around 20 other ML/DL technologies.
Hadoop worker clusters can also be automatically installed on bare metal or commodity hardware without Kubernetes.
OpenStack with Nova, Neutron, Ironic, Swift, Cinder, Ceph.
Development of a Java application Rudi: SOAP, REST, containers, database.
Technologies: Kubernetes (K3s, RKE2, Minikube, Harbor, Gitea, Jenkins, Longhorn, Keycloak, Rancher), OpenStack (Nova, Neutron, Keystone, Swift, Ceph, Cinder, Sahara, Magnum, Kayobe, Kolla, Bigrost, Ironic), Hadoop (HDFS, Ambari, Solr, Livy, Ranger, YARN, Tez, HBase, Kafka, Hive, Zookeeper, MapReduce, Spark, Oozie, Flink), virtualization (Kubernetes (K3s), VMware, Oracle), scripting (Ansible, Puppet, Juju, Shell, Groovy, Gradle, Maven).
Klaus Huber
Last position:
Insurance software development at Generali Versicherung Schweiz
- Design update for quotation software (Delphi)
Ilja Leyberman
Last position:
Software Engineer/Architect (Tech Lead) at Mercedes-Benz Tech Innovation GmbH
- Implementation of various interfaces for subsystems and connection to external devices (cameras, scanners, digital lockers)
- Development of various interfaces in the used cars area
- Realization of various prototypes
- Support in UI/UX and data analytics
- Development of frontend and backend solutions
- Kubernetes migration
- Building CI/CD pipelines
- Communication with the business unit and technical design of new solutions
- Cross-team alignment and coordination within the team
- Overview of the entire technology stack and related systems
- Documentation, preparation, and conducting of reviews
- Supporting the team and coordinating releases and key milestones
Discover over 15,000 top freelancers
Statistics of experts using InterBase
Aggregated from the professional profiles of matched freelancers.
Experience
36 years
Position duration
2 years
Positions per freelancer
22
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Automotive, Healthcare
Certification focus areas
Information Technology, Quality Assurance, Human Resources
Bachelor's degree or higher
80%
Master's degree or higher
40%
Certifications per freelancer
3
Most common languages
German, English, French
Speak two or more languages
92%
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 Germany 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 Germany using InterBase
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
InterBase at a glance
InterBase is a compact relational database from the Borland and Embarcadero ecosystem. It is often chosen for embedded software, desktop tools, and server systems that need low maintenance, local deployment, and reliable SQL data handling. Strong experts understand both the database engine and the application that depends on it.
Typical work
- Embedded databases inside business software and field apps
- SQL schema design, queries, triggers, and stored procedures
- Backup, restore, and disaster recovery planning
- Upgrades, patching, and migration from older releases
Tooling and ecosystem
InterBase work often sits close to Delphi, C++Builder, and other RAD Studio applications. Professionals may also handle driver setup, connection pooling, replication, and secure remote access. In Germany, teams often need clear handover notes and coordination with internal software specialists.
When companies bring in help
Companies usually seek freelance InterBase expertise when a system is stable but hard to change, or when a release depends on database work. Common reasons include performance issues, broken SQL after an upgrade, and moving data to a newer InterBase version or another database. The best specialists can work with old code without disrupting live systems.
What strong specialists deliver
A good InterBase professional reads existing schemas quickly and spots risky changes before they reach production. They document dependencies, clean up procedures and triggers, and keep backups, security, and recovery paths in view. They also know when to keep the current design and when a controlled redesign is worth the effort.
Signs you need InterBase expertise
If your application depends on InterBase and small changes carry high risk, bring in a specialist. The same applies when query times slip, connection errors appear, or your team needs help with Firebird comparisons, legacy Borland code, or a safe migration plan. For on-site work in Germany, local coordination can help when access to internal systems is limited.
Frequently asked questions
Not sure where to start with InterBase? These answers cover the essentials.
InterBase is used for applications that need a reliable relational database with a small footprint and low administration overhead. It is common in desktop software, embedded systems, and line-of-business tools that must keep running with minimal disruption.
InterBase is often compared with Firebird because they share a common heritage, but they are maintained and packaged differently. Teams usually choose based on licensing, tooling, deployment model, and how much compatibility they need with existing code.
A strong InterBase specialist should be comfortable with SQL, schema design, triggers, stored procedures, backup and restore, and performance troubleshooting. For application work, knowledge of Delphi, C++Builder, and database connectivity is often important too.
A good InterBase expert can start with limited context if the schema, backup strategy, and application flow are available. They become most effective when they can inspect live queries, existing procedures, and the release process before making changes.
For many InterBase tasks, remote work is enough because schema review, SQL tuning, and migration planning can be done off-site. On-site help in Germany can be useful when access to internal systems is restricted or when the database is tightly tied to local operations.
Companies often hire for InterBase upgrades, legacy maintenance, performance fixes, migration planning, and schema cleanup. They also bring in specialists for backup recovery testing, replication issues, and support for older Borland-based applications.
Look for clear explanations of schema choices, safe change management, and practical experience with recovery and upgrades in InterBase. Strong specialists describe trade-offs, ask about downtime limits, and focus on reducing risk rather than making unnecessary changes.
A InterBase freelancer should understand the target version, the application stack, and whether the system is embedded, remote, or part of a larger migration. It also helps to know the backup window, deployment process, and any compatibility concerns with older Borland or Embarcadero tools.
The average hourly rate of freelancers in Germany who have used InterBase in their recent projects is 98 €, which corresponds to a daily rate of about 784 € based on an 8-hour working day.
Of the freelancers in Germany who have used InterBase 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 Germany who have used InterBase in their recent projects have 36 years of professional experience, with a single engagement typically lasting around 2 years.
The most common languages among freelancers in Germany who have used InterBase in their recent projects are German (100%), English (92%), and French (23%).
The most common industries among freelancers in Germany who have used InterBase in their recent projects are Information Technology (92%), Automotive (77%), and Healthcare (69%).
The most common business areas among freelancers in Germany who have used InterBase in their recent projects are Information Technology (100%), Product Development (100%), and Quality Assurance (85%).
Main locations of FRATCH Experts, who have recently used InterBase
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
Get in touch with the FRATCH team and we will get back to you within 4 hours.
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Philipp Thomaschewski
FRATCH CEO
