Mainframe Experts in Germany
in minutes from over 15,000 CVs with the power of AI.Hire experts who keep mainframe systems stable, modernize COBOL and JCL workloads, and connect z/OS environments with batch, security, and data flows. Get fast, precise matching with vetted, available freelancers.
Meet FRATCH Experts in Germany, who have recently used Mainframe
Burhan Dinler
Last position:
Enterprise Architect & Solution Architect at DB Netz AG
With project PRIZMA, DB will modernize its infrastructure on the one hand, and develop a fail-safe IT landscape on the other hand, which can be restored quickly and securely in case of a disaster.
- Capture current architectures of existing systems as well as methodical consulting and development of target architectures
- Deepen and maintain the building plan / target IT landscape
- Implement technical architecture concepts & architecture descriptions
- Implement migration concepts for updating and further developing the platform and information systems
- Assess submitted improvement suggestions as part of the project
- Capability management: identify capability gaps, develop target visions, and support transformation planning within the enterprise architecture.
- Create a compatibility matrix of the components in use and compare dependencies of specific versions
- Create an IT concept for extending the platform with the following topics: hardware and software requirements, security, licensing, high availability, load balancing, backup & recovery, update strategy, monitoring integration, etc.
- Coordinate with business architects as well as technical architects from the cross-functional architecture area of the PRISMA program for the topics (backup, Active Directory, monitoring, Citrix, and business applications ...)
- Status meetings and alignment of project planning with the Release Train Engineer / Project Manager
- Advise the Release Train Engineer / Project Manager in identifying project risks
- Advise the System Architect Engineers in steering the implementation of the concept
- Implement the IT concept
- Document the infrastructure
Label: MS Project, LINUX, Windows, ORACLE, Java, REST, SharePoint, Microsoft Exchange, UML, Enterprise Architect, BPMN, AZURE, AWS, V-MODEL, Micro Service, VisualStudio, SAP S/4HANA, SCRUM(SAFE), ESB (TIBCO), Python, Innovator, LeanIX (TOGAF), Ansible, Ansible Tower, Ansible Automation, ROBOT, SpringBoot
Robert Karash
Last position:
Interim Manager | Group Leader in the IT Operations & Digitalization Division "Databases, Operations & Support" (DOS) at Landwirtschaftliche RentenBank
- Technical leadership and further development of a team of 28 IT staff (internal & external) in the areas HelpDesk/HelpLine, RHEL (Red Hat), MUREX (trading system & applications), SAP basis operations
- Managing external service providers (including FI-TS for SAP basis operations)
- Personnel, resource and budget planning for the IT department and projects
- Introducing and establishing regular communication formats (weekly status meetings, team and cross-department meetings)
- Ensuring application operations in a hybrid environment (Windows/Linux with database and web/application servers)
- Supporting transformation projects to modernize the application landscape (e.g. DevOps approaches)
- Setting up and implementing a digital IT procurement for hardware & software (e.g. with DELL)
- Developing and managing the "IT Operations DOS" department based on corporate strategy
- Preparing management reports & decision papers on IT projects, optimization potential and automation opportunities
- Representing the department in the advisory boards of the Rentenbank and ensuring regulatory compliance (BaFin §44, GDPR, BSI, MaRisk)
Martin Ejeagwu
Last position:
IREB Requirements Engineer at IREB Germany
- IREB Consultant Requirements Engineer
- IREB Ambassador for the Baltics
Christian Wonneberger
Last position:
Software Engineer, cross-platform Application Manager at International major bank
- Creating interfaces between the legacy platform and the new container solution
- Coordinating required contributions from line units
- Moderating regular status meetings with the software vendor
- Minimally invasive conversion of TWS scheduling from the old to the new platform
- Environment: IBM Mainframe, DB2, CICS, MQ, Red Hat Linux, Oracle, Kubernetes, Kafka, Helm, GitLab, Jenkins
Ibrahim Bayramov
Last position:
Senior Mainframe Developer at Tata Consultancy Services Deutschland GmbH
- Development and maintenance of business-critical COBOL applications in the IBM z/OS mainframe environment
- Carrying out database changes and updates on DB2 for z/OS
- Handling incident, problem, and change management in a production-critical environment using ServiceNow
- Carrying out and supporting load tests, performance tests, and pre-production tests to stabilize business-critical mainframe systems
- Using mainframe tools such as ISPF, TSO, SDSF, XINFO, as well as job control via UC4 / Automic
- Development and integration of Java-based services and API-related components
- Working in agile project teams (Scrum/Kanban), including using Jira and Confluence for backlog, change, and documentation management
Matthias Ottowski
Last position:
IT Project Manager at IT service provider
Implementation of anti-money laundering requirements in accordance with AMLA/KYC for an international large bank in Munich
Services provided:
- Clarification of the assignment, definition of the work package structure for the AMLA/KYC implementation project
- AI-supported project planning using my own AI workflow for project management
- Creation of the project management plan
- Resource and capacity planning
- Development of collaboration structures between IT service provider and bank client
- Alignment of responsibilities (RACI matrix)
- Management of 5 project members (core team)
- Project control, project monitoring, project reporting
- Communication management
- Escalation management
- Stakeholder management (11 stakeholders)
- Permanent member of the steering committee
- Project representation internally and externally
- Project reporting, management of decision-making bodies
- Project volume: 506 person-days (development effort)
- Risk management
- Quality management
- Organization and running of workshops
Methods: PMI PMBOK, EVM, GWG, DORA, BAIT, KANBAN, AML, AMLR, AMLA, GWG, KYC
IT environment: JIRA, Confluence, Sharepoint, Kantata Kimble, AI LLM Copilot, ChatGPT, anti-money laundering systems (in-house developments and SMARAGD)
Jochen Gögel
Last position:
Senior Specialist Software Compliance at Inter Versicherung
- Designing processes for implementing regulatory IT requirements (VAIT, BAIT, DORA, MaGo) and establishing them within the IT organization
- Monitoring the execution of these processes, quality assurance and adaptation to new requirements
- Support and coordination of the annual audit regarding regulatory IT requirements (PwC)
- ITK governance
- Software lifecycle management
- Documentation and control of the IDV development process
- Process support and policy creation when setting up test management with regard to DORA and VAIT
- Policy creation for IAM processes
- Tools/Applications: ServiceNow, Confluence, Jira, M365, Loop, Connect, Omada
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)
Patrick Waldschmitt
Last position:
AI Software Engineer at IppenMedia
- Analysis
- Consulting
- Software design
- Development
- Automation
- Testing
- Deployment
- Architecture, development and deployment of various proof-of-concept applications around the integration of current AI interfaces including conversational, realtime voice, images and videos
- Developed best practices for working with agentic systems and AI in practice
- Created code templates
Günther Eufinger
Last position:
Senior Consultant at ISMS Rollout – Information Security Certification (ISO 27001)
- Built and successfully certified the Information Security Management System (ISMS) according to ISO 27001 in seven country organizations (Ghana, India, Bangladesh, Uzbekistan, Serbia, Kosovo, Albania).
- Full implementation of the ISMS from kick-off phase to certification, including defining the governance structure and process landscape.
- Developed and delivered target-group-specific trainings, workshops, and coaching sessions for local responsible persons on the basics of information security and ISMS operations.
- Designed and continuously improved training concepts and content to increase understanding and acceptance.
- Identified and implemented improvements in processes and tools, including risk management for international projects.
- Optimized central ISMS core processes from the idea through pilot operation and fine-tuning to global rollout.
- Optimized knowledge management, as well as work aids and methods for the global ISMS team.
- Built and moderated cross-functional coordination with key interfaces to the ISMS.
- Microsoft Teams, Excel, SharePoint Lists, Power Apps.
Enver Bastanoglu
Last position:
Interim Manager IT Service Provider at DDE Dialog GmbH | PCS365
- Interim management of IT operations in the IT service provider business
- Implemented ISO 27001 certification including preparation of all documentation
- Implemented change processes and system migrations
- Optimized operational workflows and realigned technical systems and administrative processes
- Brought multiple large projects into production
- Launched a new business line in the gaming PC sector
Vladimir Ergovic
Last position:
Technical Project Manager / Freelancer at Deutsche Bank
- Engaged within the Information and Security Management division for a Proof of Concept (PoC) project focused on developing a Client Security Portal.
- Managed project resources across the UK, India, and Germany.
- Architected and deployed the PoC solution leveraging a modern Java stack, Google Cloud Platform (GCP) with Kubernetes, and Active Directory (Entra ID) for authentication.
- Implemented OAuth 2.0 for authorization.
- Ensured DORA alignment according to Deutsche Bank security rules and regulatory preparation.
Jan Petrasch
Last position:
Operational Readiness / Migration Lead at Worldline
Migration of SEPA direct debits, credit transfers & card clearing to Worldline's internal platform as part of the outsourcing contract
Definition of the MIGR strategy
Mobilization of the community (300+ experts at client & Worldline)
Creation of the MIGR runbook (100+ workshops)
Close collaboration with upstream project streams: BUILD & TEST, as well as with the operating units
Set up of the governance framework, capacity management & reporting
100% of SEPA DD, CT & CC transaction traffic migrated (7 months)
~80 migrations carried out with a success rate of 70% ("first-time right")
Set up technical & manual production monitoring
Established a "fast-track" incident management process in the MIGR & hypercare phases
Set up 20+ exception handling processes
Conducted trainings
Implemented SLAs & billing
Hans-Dieter Große-Kreul
Last position:
Training as an AI Expert
I continuously expand my expertise in AI and automation, working with ChatGPT, OpenAI, Manus, Gemini, MS CoPilot, API, LangChain, Hugging Face, Manus, TensorFlow and Auto-GPT as well as Python-based ML frameworks and MLOps tools to intelligently transform classic software development, analysis, and testing processes.
Harald Laschitz
Last position:
Project Management at Loocid LLC
- Conducted a comprehensive due diligence review for a potential acquisition of a Swiss manufacturing company as part of a pre-merger analysis
- Assessed production capacities and technical infrastructure
- Evaluated integration possibilities into existing business processes
- Performed risk assessment and developed recommendations for action
- Documented the findings and presented them to management
Discover over 15,000 top freelancers
Statistics of experts using Mainframe
Aggregated from the professional profiles of matched freelancers.
Experience
29 years
Position duration
2.3 years
Positions per freelancer
17
Top business areas
Information Technology, Project Management, Quality Assurance
Top industries
Information Technology, Banking and Finance, Professional Services
Certification focus areas
Information Technology, Project Management, Quality Assurance
Bachelor's degree or higher
72%
Master's degree or higher
43%
Doctorate
12%
Certifications per freelancer
3
Most common languages
German, English, French
Speak two or more languages
96%
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 Mainframe
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 systems
Mainframe systems run the business logic behind payments, policy handling, claims, order processing, and other critical workloads. They are built for reliability, security, and steady throughput. In many companies, IBM mainframe and IBM Z still sit at the center of daily operations.
Typical work
- COBOL, JCL, and PL/I application changes
- z/OS batch jobs and scheduling
- CICS, IMS, and Db2 support
- file handling, interfaces, and operational fixes
These experts also handle migrations, refactoring, and documentation for older systems that must keep running while new services are added around them.
Stack and tools
Mainframe work often touches TSO/ISPF, SDSF, DB2, CICS, IMS, MQ, and security controls such as RACF. Strong specialists know how to read job logs, trace failures, and work across development, operations, and release teams. They also understand how mainframe services connect to Java, APIs, and distributed systems.
When to bring help
Companies usually bring in freelance mainframe expertise when a release is blocked, a batch window is unstable, or a legacy application needs change without risking production. That is common in banks, insurers, logistics firms, and public-sector environments in Germany. External experts are also useful when internal teams need extra depth for a migration or audit.
What strong experts do
A good specialist does more than write code. They understand dependencies, know how to test safely, and can explain impact in plain language. Look for people who can work with operations, data teams, and business owners, not just the code itself.
Hiring fit
Mainframe projects often need someone who can step into an existing setup quickly and work with older standards, clear controls, and sensitive data. Remote work is common for analysis, coding, and testing, while on-site time can help during cutovers or production support. In Germany, English is often enough for the technical work, but German helps when teams are mixed or documentation is local.
Frequently asked questions
Key details about Mainframe, drawn from the questions we get asked most.
A mainframe is used for workloads that must stay stable, secure, and available under heavy load. It often runs core transaction processing, batch jobs, account updates, and large data workflows. Many companies rely on it for systems that cannot afford frequent disruption.
Mainframe is usually chosen for reliability, transaction safety, and mature operational controls, while cloud and distributed systems are often preferred for rapid service development and elastic scaling. In real projects, the question is rarely one or the other. Many companies run both and need experts who can connect them cleanly.
A strong Mainframe specialist usually knows COBOL, JCL, z/OS basics, and the surrounding tools used for batch, data, and security work. Experience with CICS, IMS, Db2, MQ, and RACF is often valuable. They should also be able to trace incidents from logs and job output, not just from code.
A Mainframe project often needs outside help when a release is urgent, a batch chain is unstable, or a legacy application must change without breaking production. External experts are also useful during modernization, system consolidation, or knowledge transfer. They can step in where internal capacity is tight.
For Mainframe work, practical system experience matters more than broad theory. A freelancer should have worked on real batch flows, production incidents, and controlled changes. The more critical the system, the more important it is that the specialist has handled similar environments before.
Much Mainframe work can be done remotely, especially analysis, coding, testing, and documentation. On-site time helps when a cutover is sensitive, stakeholders want fast coordination, or access rules are strict. In Germany, many teams mix both approaches depending on the phase of the work.
A good Mainframe expert can explain the system clearly, show how they reduce risk, and describe past changes in concrete terms. Look for people who understand dependencies, testing, recovery, and operational constraints. Strong communication is as important as technical depth.
Mainframe is the general term searchers use for the platform class and its workloads. z/OS is the operating system used on IBM systems, and IBM Z is the current hardware family name. In a hiring brief, it helps to name the exact environment so the right specialist can assess fit quickly.
The average hourly rate of freelancers in Germany who have used Mainframe in their recent projects is 105 €, which corresponds to a daily rate of about 836 € based on an 8-hour working day.
Of the freelancers in Germany who have used Mainframe in their recent projects, 72% hold at least a Bachelor's degree, 43% hold at least a Master's degree, and 12% hold a doctorate.
On average, freelancers in Germany who have used Mainframe in their recent projects have 29 years of professional experience, with a single engagement typically lasting around 2.3 years.
The most common languages among freelancers in Germany who have used Mainframe in their recent projects are German (99%), English (95%), and French (23%).
The most common industries among freelancers in Germany who have used Mainframe in their recent projects are Information Technology (87%), Banking and Finance (79%), and Professional Services (50%).
The most common business areas among freelancers in Germany who have used Mainframe in their recent projects are Information Technology (100%), Project Management (82%), and Quality Assurance (68%).
Main locations of FRATCH Experts, who have recently used Mainframe
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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Dusseldorf Request a free demo
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Philipp Thomaschewski
FRATCH CEO
