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Ingres Experts in Germany

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Hire experts who keep Ingres systems stable, tune SQL and schema design, and support migrations from CA Ingres or OpenIngres to modern environments. Get fast, precise matching with vetted, available freelancers.

Meet FRATCH Experts in Germany, who have recently used Ingres

Verified expert

Bernhard Schmitz

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Agile Business Analyst and Requirements Engineer

Ingelheim am Rhein
Bernhard Schmitz

Last position:

Agile Business Analyst and Requirements Engineer at Deutsche Post DHL

  • Agile project "PEPSi annual vacation planning MVP Lite" (digitalization project).
  • Definition of state transitions for the JUP Lite functionality.
  • Creation of user stories for login/logout and registration.
  • Quality assurance of the business-side concept.
  • Preliminary analysis for the transformation from the old PersPlan to DigiPEP.
  • Tools used: Signavio, MS Office (Excel, Word, PowerPoint), Jira, Confluence, Mural, Miro, Conceptboard, MS Teams, Mattermost.
Verified expert

Alex Odesser

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Contractor

Hamburg
Alex Odesser

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)
Verified expert

Roland Rathmann

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Support in Ongoing Project

Vierkirchen
Roland Rathmann

Last position:

Support in Ongoing Project at Automotive Supplier

  • closing the safety case
  • creation of meaningful traceability matrices and targeted test expansion
  • transferring requirements into other database systems
  • structuring the requirements, assessing their completeness, and setting up new test cases based on use-case–based test strategies and the results of internal traceability matrices
  • partial automation of tasks within a requirement assessment tool
  • tools and languages: MS Teams, reqIF, Enterprise Architect, Codebeamer, proprietary tools for creating and evaluating traceability matrices (approx. 1000 x 1000)
Verified expert

Wolfgang Oellinger

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Fullstack Software Developer

Bodolz
Wolfgang Oellinger

Last position:

Fullstack Software Developer at Gematik

  • Development of the frontend of DEMIS (German Electronic Reporting and Information System for Infection Protection)

  • Technologies: Angular, Typescript, Single-SPA MicroFrontend, Java, Docker, Kubernetes, Postgres, REST

  • Prototype development of a compiler from HL7 FHIR to AngularFormly

Verified expert

Alexander Pohl

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Senior Interim and Transition Manager - proven in mid-sized businesses and multinationals for change and crisis

Hamburg
Alexander Pohl

Last position:

Head of integration for six country subsidiaries at XSYS Holding

  • Analyzed the required scope of processes, infrastructure, and SAP for integrating the MacDermid subsidiaries
  • Validated proposals from the new service providers
  • Managed the collaboration and tracked the tasks of business and IT experts
  • Coordinated communication and the PMO
  • Created cutover plans in three waves for SAP conversion, Salesforce, and Ariba
Verified expert

Ralf Scholler

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Senior Consultant / Developer

Michelbach
Ralf Scholler

Last position:

Senior Consultant / Developer at Überall Lokal

  • Development of a marketplace for local retailers
  • Technologies: Java, ORACLE, Ingres, REST, Spring Boot, Angular, nginx.
Verified expert

Silke Wöhning

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Head of Project Management and Consultancy

Hamburg
Silke Wöhning

Last position:

Head of Project Management and Consultancy at Systemtechnik GmbH

  • Planning of projects and consulting services: professional, technical and commercial, focusing on transformation for public transport
  • Identification and assessment of project risks with development of measures and recommendations for risk minimization and avoidance
  • Evaluation of projects and reporting
  • Execution of projects and delivery of consulting services on time, with required quality and within budget
  • Project, hardware and consulting services forecasting
  • Disciplinary and professional staff management
  • Team development and coaching
  • Resource planning across various locations
  • Stakeholder management
  • Client management with service and support
  • Development of contingency plans
Verified expert

Andre Wroblewski

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PRINCE2® Foundation Examination

Dannenberg (Elbe)
Andre Wroblewski

Last position:

TRIMET SE

  • Requirements management, business analysis, architecture, design, and implementation of the migration of another existing classic DWH to a Data Vault 2.0 DWH
  • Design of the required DB model (MS SQL) as well as the ETL from core system databases (INGRES, MS-SQL) with SSIS
  • Integration of the migrated DWH into the existing MS SQL Data Warehouse (Data Vault 2.0)
  • Analysis, design, and implementation of cubes based on SSAS for delivery to Power BI

Discover over 15,000 top freelancers

Statistics of experts using Ingres

Aggregated from the professional profiles of matched freelancers.

Experience

38 years

Position duration

1.5 years

Positions per freelancer

30

Top business areas

Information Technology, Project Management, Operations

Top industries

Information Technology, Banking and Finance, Manufacturing

Certification focus areas

Information Technology, Project Management, Quality Assurance

Bachelor's degree or higher

71%

Master's degree or higher

43%

Doctorate

14%

Certifications per freelancer

3

Most common languages

German, English, French

Speak two or more languages

100%

Based on our profile pool as of 30 Aug 2026.

Daily rate distribution

0 2 4 6 8
<€800 €800-​960 €960-​1120 €1120+

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 Ingres

Rates are based on recent contracts and do not include FRATCH margin.

1000
750
500
250
Rate comparison chart
Daily rate avg. 855 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

1000
750
500
250
Rate comparison chart
Median rate 880 €

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

Ingres systems

Ingres is a relational database used in business software that needs reliable transactions, structured data, and long-lived schemas. It often appears in finance, public sector, and industrial systems where stability matters more than change. Searchers may also know it as CA Ingres, OpenIngres, or Actian Ingres.

Common work

  • Keep legacy Ingres databases running smoothly
  • Review SQL, indexes, and execution plans
  • Support upgrades and version changes
  • Move data into newer database stacks
  • Troubleshoot application and connection issues

What strong experts know

Good specialists understand Ingres SQL, schema design, constraints, and data integrity. They also know how client tools, stored logic, and application code interact with the database layer. They write careful changes because many Ingres systems support core operations.

Tooling and ecosystem

The work often involves Actian tools, database utilities, monitoring, backups, and scripts around batch jobs. In some projects, experts also work beside Java, .NET, or Unix-based application stacks. Strong professionals can read old documentation and still make practical decisions.

When companies need help

Companies bring in freelance experts when an old system becomes hard to change, when an upgrade is risky, or when internal knowledge has faded. In Germany, this is common in organizations that still depend on stable back-office software and need remote help or short on-site visits. The right specialist reduces downtime and avoids rushed changes.

What to look for

  • Real experience with Ingres and its older product names
  • Clear understanding of database maintenance and recovery
  • Ability to work with legacy code and cautious release plans
  • Practical migration knowledge when a replacement is needed
  • Strong communication with technical and business teams
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Frequently asked questions

Need clarity? These are the questions we hear most often about Ingres.

Ingres is a relational database used for applications that depend on structured records, transactions, and stable data rules. Companies often use it for back-office software, reporting, and older line-of-business systems that still run important processes. It is valued because it can stay dependable for a long time when it is maintained well.

Ingres is usually compared with Oracle, SQL Server, PostgreSQL, and other relational databases. The main difference is that many Ingres projects are legacy environments with older schemas, older tooling, and strict change control. A strong specialist knows how to support the system as it is, not only how to modernize it.

Yes, if your environment was installed under those older names, that background matters. Ingres has a long product history, and many systems still carry the patterns, utilities, and documentation from CA Ingres, OpenIngres, or Actian Ingres. A specialist who knows that history can diagnose issues faster and avoid bad assumptions.

A strong Ingres specialist usually also knows SQL tuning, schema design, Linux or Unix administration, scripting, and application integration. For migration or support work, experience with ETL, backup and restore, and data validation is also useful. In older estates, reading Java, COBOL, or .NET application code can be a big advantage.

That depends on the task, but Ingres work often needs someone who has seen real production systems before. A simple query review may need less depth than a migration, recovery, or performance problem in a critical environment. If the system is old and poorly documented, practical experience matters more than theory.

Yes, many Ingres tasks can be done remotely, especially SQL review, troubleshooting, documentation, and planning. On-site help can still be useful when access is limited, a system is sensitive, or stakeholders want close coordination during a migration. For Germany-based teams, remote collaboration often works well if access and communication are clear.

Look for concrete examples of maintenance, recovery, tuning, and legacy support in Ingres environments. Good experts explain trade-offs clearly, ask about risk, and do not push unnecessary change. They should also be comfortable with older product names, careful testing, and clean handover notes.

Companies usually need Ingres help when a database is slow, unstable, hard to upgrade, or tied to a legacy application no one fully understands anymore. They also bring in specialists for data extraction, system consolidation, and replacing old platforms without breaking operations. In many cases, the problem is not the database alone but the application around it.

The average hourly rate of freelancers in Germany who have used Ingres in their recent projects is 107 €, which corresponds to a daily rate of about 855 € based on an 8-hour working day.

Of the freelancers in Germany who have used Ingres in their recent projects, 71% hold at least a Bachelor's degree, 43% hold at least a Master's degree, and 14% hold a doctorate.

On average, freelancers in Germany who have used Ingres in their recent projects have 38 years of professional experience, with a single engagement typically lasting around 1.5 years.

The most common languages among freelancers in Germany who have used Ingres in their recent projects are German (100%), English (100%), and French (44%).

The most common industries among freelancers in Germany who have used Ingres in their recent projects are Information Technology (89%), Banking and Finance (78%), and Manufacturing (78%).

The most common business areas among freelancers in Germany who have used Ingres in their recent projects are Information Technology (100%), Project Management (100%), and Operations (89%).

Main locations of FRATCH Experts, who have recently used Ingres

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

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