IBM Informix Experts in Munich
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Meet FRATCH Experts in Munich, who have recently used IBM Informix
Ernst Höfler
Last position:
Support/Development/Consulting – Process Development, E-Invoicing, XRechnung, ZUGFeRD
- Support and further development of a complex process for creating XML documents for electronic invoices / E-Invoicing (XRechnung, ZUGFeRD)
- Automation of operational processes, process development and optimization
- Development of frontend applications with MS Power Apps
- Porting SQL Server 2016 to SQL Server 2022
- SQL Server database administration
Antonio Disarò
Last position:
Agile Project Manager at Openry GmbH
End Customer: Openry GmbH
E-commerce platform to globally commercialize high-quality Italian artistic productions. Several European shops are already operational and Asian markets soon coming up. My role as Agile Project Manager is to lead the complete team on both the customer and technical side (offshore) including strong strategic consulting, in a continuous delivery approach. As project in a small enterprise, the budget management aspects are particularly challenging, in a quest to deliver the maximum business value with minimal overheads. Technologies: Magento 2, M2E Pro, Linux, Apache, MySql, PHP (LAMP), Stripe
Stefan Corsten
Last position:
SSIS Development at Stadtsparkasse München
- Replacement of a Java application and the Oracle DB for loading the internal WerWasWo system using SSIS.
- Development of SSIS packages to load text files into the database (SQL Server)
- Development of a database project for deployment on various servers
- Creation of queries to monitor the loading runs
- Development of a PowerShell script to automate the deployment of the SSDT projects.
- Oracle, SQL Developer, Microsoft SQL Server 2022 on-premises, SQL Server Management Studio v21, Visual Studio 2022, SSIS, SSDT, PowerShell.
Florian Strasser
Last position:
ABAP/4 and ABAP Objects Developer at Migros-Genossenschafts-Bund
- WRICEF objects (Reports, Interfaces, Conversions, Enhancements, Forms and Workflow) in the FI and CO modules of S/4HANA ECC with ABAP OO
- Use of SAP HANA Studio, AIF, SAP Solution Manager, Confluence and Jira
- Environment: SAP S/4HANA on Premise 2020
Christian Stellwag
Last position:
Senior Java Developer at Freelance
- Numerous projects as a Senior Java Developer or Team Lead in the technical domain, banking sector, public sector, etc. Please ask for a detailed project list. My contact: office(at)stellwag.it
Joachim Bleichert
Last position:
Oracle Consulting and Development at Berufsgenossenschaft Nahrungsmittel & Gastgewerbe (BNG)
- Development and consulting of various web applications for data preparation and distribution using Oracle databases and PL/SQL
- Technologies: Oracle 19, Oracle PL/SQL, Oracle APEX
Alf Kern
Last position:
Application Support at Netto Online Supermarkets
- Application support for the e-commerce presence of the Netto Online Supermarket chain [link]
- Webshop runs with PIM, ERP and Diva software - Microsoft Dynamics Business Central
- ITIL incident, change and problem management
- Diva components include ERP, CRM, OMS, WMS and POS
- Receiving, handling and, if needed, forwarding user requests
- Error analysis and support with problem solving
- Monitoring/orchestration of the individual systems
- Day-to-day collaboration with external service providers and development team
- User management and second-level support activities
- System logging/maintenance of external interfaces
- Application administration with Jira and Confluence in QA and production environments
- Technology: Windows Server 2008, Linux servers, MS SQL Server
Christian Hacker
Last position:
ZVEI - Central Association of the Electrical Industry
- Further development of Excel templates for the electrical industry
- Design and development of new analysis functions
- Extension of Excel templates for data analysis
- Use of Excel and VBA
Josef Schermer
Last position:
DevOps at Software house for an industrial company
- Implementation, maintenance and operation of an ERP system and a document exchange platform for a corrugated cardboard manufacturer.
- Tools and systems: Unix (Debian 6.x), C, SVN, Windows, C#, MS SQL Server, SCRUM.
Discover over 15,000 top freelancers
Statistics of experts using IBM Informix
Aggregated from the professional profiles of matched freelancers.
Experience
30 years
Position duration
2.1 years (Germany: 2.7 years)
Positions per freelancer
27 (Germany: 21)
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Manufacturing, Banking and Finance
Certification focus areas
Information Technology, Project Management, Business Intelligence
Bachelor's degree or higher
67% (Germany: 64%)
Master's degree or higher
33% (Germany: 41%)
Certifications per freelancer
2
Most common languages
German, English, French
Speak two or more languages
100% (Germany: 99%)
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 Munich 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 Munich using IBM Informix
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
Core use
IBM Informix is a relational database system built for dependable transaction processing and low-latency data access. It appears in systems where stability matters more than flashy features, especially in retail, manufacturing, logistics, and other operational back ends. Teams also call it Informix or IDS, short for Informix Dynamic Server.
What experts do
They keep schemas clean, SQL fast, and database instances predictable under load. Common work includes instance setup, parameter tuning, backup and restore plans, replication, and troubleshooting locks or slow queries. In Munich, that often means supporting mixed environments where Informix runs beside newer services and reporting tools.
Typical tasks
- Performance tuning for SQL, indexes, and access paths
- High availability and replication setup
- Backup, recovery, and disaster readiness
- Migration support from older Informix versions or adjacent databases
- Integration with applications, ETL, and reporting layers
Ecosystem and skills
Strong professionals know the Informix engine, SQL, stored procedures, and operational tooling around monitoring and recovery. They usually work well with Linux, shell scripting, data migration tasks, and application teams that depend on stable database behavior. Experience with legacy systems matters because many Informix estates have grown over long periods.
When to bring in help
Companies look for freelance expertise when a platform needs urgent tuning, an upgrade plan, or recovery after an outage. It also helps when internal teams know the business side but lack deep Informix experience, or when a project must keep a legacy system running during a wider modernization effort. Remote work is common, while on-site time in Munich can help with cutovers and sensitive production changes.
What good specialists deliver
Good IBM Informix specialists leave systems easier to run, not just temporarily fixed. They document changes, explain risks clearly, and focus on repeatable operations for support teams. The best freelancers can handle both old installations and active change work, which is important when Informix remains a core system for daily business processes.
Frequently asked questions
Key details about IBM Informix, drawn from the questions we get asked most.
IBM Informix is used for transactional systems that need reliable database behavior and fast access to operational data. It is common in back-office applications, industry systems, and legacy platforms that still support daily business work. Many teams keep it because it is stable and fits well into long-running enterprise environments.
Yes, people often use Informix as the short name, while IBM Informix is the product name and IDS means Informix Dynamic Server. In hiring searches, these names usually point to the same database family. A strong freelancer should be comfortable with all three terms and the versions your system actually runs.
IBM Informix is often chosen for established transactional workloads and systems that already depend on it deeply. Oracle is usually weighed for broad enterprise features, while PostgreSQL is often discussed for modernization or open-source flexibility. The right choice depends on the application, data model, and the cost of change, not just the database brand.
A strong IBM Informix specialist usually also knows SQL tuning, Linux, shell scripting, backup and recovery, and basic application integration. For many projects, experience with replication, monitoring, and migration planning is just as important. If the system connects to ETL or reporting tools, that experience helps too.
Most IBM Informix work benefits from someone who has seen real production systems, not only training examples. Tuning, recovery, and version upgrades can expose details that only come from hands-on work. For smaller tasks, a focused specialist can help quickly; for core production systems, deeper platform knowledge is safer.
Yes, many IBM Informix tasks can be done remotely, including SQL analysis, configuration review, documentation, and planning. On-site time in Munich is useful for production cutovers, access constraints, or when teams prefer direct coordination during a sensitive change. The best setup depends on the system’s risk level and your internal process.
Look for clear evidence of production work on IBM Informix, not just general database knowledge. Strong answers include how they handle locks, slow queries, backups, recovery, and version-specific behavior. Good specialists explain trade-offs in plain language and leave behind documentation your team can use.
Teams usually call for IBM Informix help when performance drops, a database upgrade is overdue, backups become unreliable, or a legacy system starts failing in production. It also comes up when a company needs to keep an old platform running while moving other parts of the stack forward. In those cases, stability and careful change control matter most.
The average hourly rate of freelancers in Munich, Germany who have used IBM Informix in their recent projects is 92 €, which corresponds to a daily rate of about 738 € based on an 8-hour working day.
Of the freelancers in Munich, Germany who have used IBM Informix in their recent projects, 67% hold at least a Bachelor's degree and 33% hold at least a Master's degree.
On average, freelancers in Munich, Germany who have used IBM Informix in their recent projects have 30 years of professional experience, with a single engagement typically lasting around 2.1 years.
The most common languages among freelancers in Munich, Germany who have used IBM Informix in their recent projects are German (100%), English (100%), and French (33%).
The most common industries among freelancers in Munich, Germany who have used IBM Informix in their recent projects are Information Technology (100%), Manufacturing (89%), and Banking and Finance (78%).
The most common business areas among freelancers in Munich, Germany who have used IBM Informix in their recent projects are Information Technology (100%), Product Development (78%), and Quality Assurance (78%).
Main locations of FRATCH Experts, who have recently used IBM Informix
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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