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ChangeMan Experts in Germany

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Hire experts who manage z/OS software changes, package COBOL and JCL releases, and coordinate DB2, CICS or IMS deployments with ChangeMan ZMF. Get precise access to vetted, available freelancers through fast AI matching.

Meet FRATCH Experts in Germany, who have recently used ChangeMan

Verified expert

Andreas G.

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Senior Fullstack Developer · .NET & Angular · AI Integration · Cloud · DevOps

Erkrath
Andreas G.

Last position:

Senior Fullstack .NET (Core) & Angular Developer at IT Service Provider

  • Supporting several agile teams in the new product development of an enterprise CRM and ERP application
  • Web frontend development with Angular 17–21 (microfrontends, Domain-Driven Design, MDB-Bootstrap)
  • Backend development with C# and .NET 7–10, MongoDB, MassTransit, RabbitMQ, Entity Framework Core, ElasticSearch (microservices, DDD)
  • Technical feature design for assigned tasks
  • Technical architecture design including forward-looking planning of AI-supported extension options
  • Proof-of-concept implementation of AI-supported workflows with n8n and a locally hosted LLM (Ollama)
  • Coordination with stakeholders and Product Owners, support with sprint planning

Result: Delivery of production-ready microservices and frontend modules in agile sprint cycles.

Environment: .NET 7–10 · Angular 17–21 · C# · TypeScript · OpenAPI · Microfrontends · DDD · Kubernetes · Docker · Helm · MS SQL Server · PostgreSQL · MongoDB · MassTransit · RabbitMQ · EF Core · ElasticSearch · Kibana · Azure DevOps · KeyCloak · n8n · Ollama

Verified expert

Jörg S.

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Software Developer

Rostock
Jörg S.

Last position:

Software Developer at Commerzbank

  • Created interface programs between mainframe and distributed online screens
  • Modified and created batch programs for daily data processing
  • Provided advice on program setup, database structures, and programming tools
  • Performed error analysis for the overall project
  • System: OS/390, ISPF, TSO, IMS DB, IMS Connect, COBOL, DB2, SQL, SPUFI, IBM debug tool, Confluence, Jira, Eclipse, Rational Developer for Z Systems (RDZ)
Verified expert

Romuald G.

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Software Developer

Recklinghausen
Romuald G.

Last position:

Software Developer at Aluminium Norf GmbH

  • Set up a server to distribute production events from MES to the existing PPS
  • Added further servers to the existing process
  • Reported changes to the packing inventory to TWMS
Verified expert

Samuel S.

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Electrical Engineering Lecturer & Coach

Büdingen
Samuel S.

Last position:

Electrical Engineering Lecturer & Coach at Siemens

  • Designing and delivering learning content for electronics/electrical engineering (theory & practice)
  • Conducting targeted exam preparations for apprentices and dual-study students
  • Intercultural coaching of interns and promoting knowledge transfer
Verified expert

Axel T.

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Migration of Host Programs to Decentralized Processing (Cobol to Java)

Großhansdorf
Axel T.

Last position:

Migration of Host Programs to Decentralized Processing (Cobol to Java) at Freelancer

  • Analysis of calculations in the legacy system (Cobol), reconciliation with specification and checking differences in the new system
  • Managing change requests with Jira
  • Basis for compare reconciliation: XML formats for further processing in Dopix (business: VS certificate, customer info, contribution statements)
  • Automated XML comparisons via TWS jobs in various test systems
  • Reviewing and documenting related utility programs and interface calls
  • Reviewing legacy programs in terms of content, technology, and business logic
  • Creating and extending JCLs for regression tests host <> decentralized
  • Analyzing error cases and comparing with specifications for correctness
  • Creating Jira tickets as requests or bug fixes for the Java programs

Technical environment:

  • COBOL
  • TSO/ISPF
  • DB2/SQL (Spufi, QE2)
  • IMS-DB/DC application development
  • JCL, TWS (Tivoli), EJM Beta48 (AIX)
  • Changeman (Extended Release Option)
  • Citrix environment
  • MS Office
  • Ticket management with Jira
  • Agile development
Verified expert

Smita A.

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Scrum Master

Augsburg
Smita A.

Last position:

Scrum Master at Synechron

  • Coached, mentored and trained teams to bring in agile mindset.
  • Organized and facilitated daily scrum, sprint reviews, retrospectives, sprint and release planning.
  • Collaborated closely with product owner on backlog grooming to keep product backlog relevant and prioritized.
  • Effectively managed and tracked team’s progress.
  • Worked with scrum masters across sites to prepare and facilitate potentially shippable increment planning sessions.
  • Expertly promoted continuous improvement and helped teams increase productivity and foster innovation.
  • Identified and mitigated risks and impediments on continuous basis.
  • Used effective facilitation techniques for decision making and conflict resolution.
  • Worked with remote/distributed teams with varying level of agile maturity.

Discover over 15,000 top freelancers

Statistics of experts using ChangeMan

Aggregated from the professional profiles of matched freelancers.

Experience

35 years

ChangeMan experts in Germany have 35 years of professional experience on average.

Position duration

3 years

ChangeMan experts in Germany stay in a single position for 3 years on average.

Positions per freelancer

15

ChangeMan experts in Germany have completed 15 positions on average over the course of their careers.

Top business areas

Information Technology, Business Intelligence, Product Development

ChangeMan experts in Germany have gathered most of their hands-on project experience in Information Technology, Business Intelligence, and Product Development.

Top industries

Information Technology, Banking and Finance, Insurance

ChangeMan experts in Germany are most in demand in Information Technology, Banking and Finance, and Insurance.

Certification focus areas

Business Intelligence, Information Technology, Project Management

ChangeMan experts in Germany earn their certifications most often in Business Intelligence, Information Technology, and Project Management.

Bachelor's degree or higher

67%

67% of ChangeMan experts in Germany hold at least a Bachelor's degree.

Master's degree or higher

33%

33% of ChangeMan experts in Germany hold at least a Master's degree.

Certifications per freelancer

2

ChangeMan experts in Germany hold 2 professional certifications on average.

Most common languages

German, English, Spanish

ChangeMan experts in Germany most often speak German, English, and Spanish.

Speak two or more languages

86%

86% of ChangeMan experts in Germany speak two or more languages.

Based on our profile pool as of 29 Oct 2026.

Daily rate distribution

0% 25% 50% 75% 100%
29% of ChangeMan experts in Germany charge less than €640 per day.
29% of ChangeMan experts in Germany charge between €640 and €800 per day.
29% of ChangeMan experts in Germany charge between €800 and €960 per day.
14% of ChangeMan experts in Germany charge €1120 or more per day.
<€640 €640-​800 €800-​960 €1120+

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 ChangeMan

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

800
600
400
200
Rate comparison chart
Daily rate avg. 752 €

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

800
600
400
200
Rate comparison chart
Median rate 760 €

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.

ChangeMan 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 (86%)
  • Banking and Finance (57%)
  • Insurance (57%)
  • Professional Services (57%)
  • Manufacturing (43%)
  • Government and Administration (43%)
  • Retail (43%)
  • Automotive (29%)

Please note that freelancers can work across multiple industries, so percentages overlap.

About the technology

ChangeMan ZMF in practice

ChangeMan is a change and configuration management solution for IBM z/OS environments. It is widely known through ChangeMan ZMF, formerly associated with Serena and later Micro Focus and OpenText. The software controls changes to mainframe applications, libraries and release packages while preserving a clear audit trail.

Main delivery work

ChangeMan specialists support the full path from a requested change to a controlled production release. They configure package structures, manage component versions and coordinate dependencies across application and infrastructure teams.

  • Define application areas, environments and promotion routes
  • Package COBOL, JCL, copybooks and related assets
  • Coordinate DB2, CICS and IMS changes
  • Validate approvals, dependencies and release contents
  • Investigate failed promotions and restore controlled baselines

Ecosystem and tooling

Strong work with ChangeMan connects repository and release controls with the wider mainframe toolchain. Relevant skills include IBM z/OS, JES, ISPF, RACF, Endevor or Git-based workflows, along with build, test and scheduling tools used by the client. Specialists must understand how source, load modules, database objects and operational procedures move together.

When companies need specialists

Companies usually bring in freelance expertise during modernization, platform consolidation, major release programs or a transition between change management approaches. German banks, insurers, manufacturers and public-sector organizations may rely on long-running z/OS estates where release safety and traceability matter more than rapid tool replacement.

  • A ChangeMan implementation lacks consistent package rules
  • Releases depend on manual handovers between teams
  • Audits expose gaps in approvals or version history
  • Mainframe and distributed delivery processes need alignment

What strong professionals bring

Experienced professionals can map business applications to technical components and design promotion paths that teams can actually follow. They know how to separate source control, build execution, testing and production authorization without losing context. They also document naming standards, recovery steps and ownership clearly, and explain risks to release managers and business stakeholders.

Remote collaboration and outcomes

ChangeMan work can often be delivered remotely when secure access, test environments and release contacts are in place. On-site collaboration may help during cutovers, audits or workshops with operations teams. In Germany, clear communication in English or German can be important when specialists work across regulated organizations, internal teams and external delivery partners. A successful engagement leaves repeatable package processes, reliable promotion controls and a traceable release history.

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Frequently asked questions

Quick answers to the questions that come up most around ChangeMan.

ChangeMan is used to control software changes and releases in IBM z/OS environments. ChangeMan ZMF manages packages, approvals, component versions and promotions for assets such as COBOL, JCL, copybooks and database-related changes.

ChangeMan ZMF focuses on governed mainframe package management and coordinated promotion across environments. Endevor offers a different model for source and change control, while Git is often used for distributed source workflows; the right choice depends on the estate, release controls and integration needs.

A capable ChangeMan specialist usually understands IBM z/OS, JCL, COBOL, ISPF and JES. Knowledge of DB2, CICS, IMS, RACF, scheduler tools, testing practices and CI/CD integration is also valuable when releases span several technical domains.

A small configuration task may need focused knowledge of ChangeMan administration and the client’s package model. A migration, rollout or release-process redesign calls for a specialist who has handled dependencies, approvals, recovery planning and coordination with mainframe operations.

Much of the ChangeMan work can be performed remotely through controlled access to development, test and release environments. On-site presence can still be useful for cutovers, workshops or audits, particularly when several German-based teams must agree on operating procedures.

Ask whether the ChangeMan freelancer has worked with the relevant z/OS applications, package types and promotion routes. Request examples of release documentation, dependency handling and incident recovery, and confirm that the specialist can work within your access, security and approval model.

ChangeMan can provide controlled release governance while applications are refactored, integrated with distributed services or moved toward automated delivery. A specialist should be able to connect existing package practices with Git, build automation and testing without weakening auditability.

High-quality ChangeMan work makes every package understandable, repeatable and traceable from request through production. Strong specialists test promotion rules, document dependencies, plan rollback paths and leave teams able to operate the process without relying on informal knowledge.

The average hourly rate of freelancers in Germany who have used ChangeMan in their recent projects is 94 €, which corresponds to a daily rate of about 752 € based on an 8-hour working day.

Of the freelancers in Germany who have used ChangeMan 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 Germany who have used ChangeMan in their recent projects have 35 years of professional experience, with a single engagement typically lasting around 3 years.

The most common languages among freelancers in Germany who have used ChangeMan in their recent projects are German (100%), English (86%), and Spanish (29%).

The most common industries among freelancers in Germany who have used ChangeMan in their recent projects are Information Technology (86%), Banking and Finance (57%), and Insurance (57%).

The most common business areas among freelancers in Germany who have used ChangeMan in their recent projects are Information Technology (100%), Business Intelligence (71%), and Product Development (71%).

Main locations of FRATCH Experts, who have recently used ChangeMan

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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