ChangeMan Experts in Germany
for controlled mainframe releases, matched with vetted freelancers in minutesHire experts who manage z/OS software changes, automate promotion workflows and protect production releases with ChangeMan ZMF, supported by related tools such as ISPF, JCL and IBM Db2. Get a precise match with vetted, available freelancers quickly.
Meet FRATCH Experts in Germany, who have recently used ChangeMan
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
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
Jürgen S.
Last position:
IT Consultant / Analyst / Developer / Tester / Support at Automotive Manufacturer
- Analysis, software development/customization, and testing of various transaction and batch objects
- Conducting functional integration and regression tests on TEST and QA platforms under z/OS for later production implementation
- Hardware / Software / Tools: IBM MVS, z/OS, JES2/3, TSO-ISPF, JCL, DB2, SQL, SQL/PL, QMF, QMF for Workstations, SPUFI, FileAid, IMS-DB/DC, MFS, XPEDITER, COBOL, REXX, Windows 10, MS Office 365, MS Teams, batch job management via OPC, BETA92, RVS, BVB, ABL, DIALOGplus, PROBA, PRODPR (VW internal systems), JIRA, CONFLUENCE
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
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)
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.
Romuald G.
Last position:
Software Developer at Aluminium Norf GmbH
- Setting up a server to distribute production events from MES to the existing PPS
- Adding additional servers to the existing setup
- Reporting changes in packaging inventory to TWMS
Discover over 15,000 top freelancers
Statistics of experts using ChangeMan
Aggregated from the professional profiles of matched freelancers.
Experience
35 years
Position duration
3 years
Positions per freelancer
15
Top business areas
Information Technology, Business Intelligence, Product Development
Top industries
Information Technology, Banking and Finance, Insurance
Certification focus areas
Business Intelligence, Information Technology, Project Management
Bachelor's degree or higher
67%
Master's degree or higher
33%
Certifications per freelancer
2
Most common languages
German, English, Spanish
Speak two or more languages
86%
Based on our profile pool as of 19 Sep 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 ChangeMan
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 19 Sep 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
Mainframe change control
ChangeMan is a software change-management suite for IBM z/OS environments. Its best-known product, ChangeMan ZMF, controls the lifecycle of application components from development through testing, approval and production release. It gives teams a structured record of what changed, who approved it and where it was deployed.
ZMF workflow
ChangeMan ZMF organizes source and load components into packages that move through defined environments. Specialists configure approvals, promotion rules, backout procedures and release calendars while keeping dependencies visible. The platform supports repeatable delivery for COBOL, PL/I, JCL, copybooks and other mainframe assets.
Ecosystem and tooling
A strong ChangeMan specialist understands the systems around the product, not only its screens and commands.
- IBM z/OS, JES and ISPF operations
- COBOL, PL/I, JCL and CICS delivery
- Db2, IMS and common mainframe dependencies
- File transfers, schedulers and source repositories
- ChangeMan ZMF administration and package design
When expertise matters
Companies bring in freelance expertise during z/OS modernization, release-process redesign, migrations or difficult production transitions. Specialist support is also useful when internal teams need to standardize package types, clean up approval paths or document controls. In Germany, experts may work remotely with established mainframe teams or combine remote delivery with on-site workshops.
Typical deliverables
ChangeMan work often produces practical improvements across the release chain.
- Package definitions, promotion routes and approval models
- Production release and backout procedures
- Component inventories and dependency checks
- Interfaces with testing, scheduling or automation tools
- Operating documentation and team enablement
What distinguishes specialists
Strong professionals trace a change from source through compile, test, approval and deployment. They understand how ChangeMan interacts with z/OS security, libraries, batch processing and production support. They also communicate clearly with application teams, operations, auditors and business owners, and can explain why a control exists rather than applying it mechanically.
Frequently asked questions
Quick answers to the questions that come up most around ChangeMan.
ChangeMan is used to control, approve and deploy software changes on IBM z/OS mainframes. ChangeMan ZMF packages related components, tracks their progress across environments and supports controlled production releases and backouts.
ChangeMan ZMF is often weighed against IBM Engineering Workflow Management, Endeavor and modern DevOps pipelines. The right choice depends on the existing z/OS toolchain, governance model, automation needs and how much of the current release process already relies on package-based controls.
A strong ChangeMan specialist usually understands z/OS, JCL, COBOL or PL/I, ISPF and common schedulers. Knowledge of CICS, Db2, IMS, RACF, testing tools and deployment automation is valuable because releases cross many technical boundaries.
The required depth depends on the assignment. A package configuration task may need focused product knowledge, while a release-model redesign calls for someone who has handled z/OS application dependencies, production incidents, approvals and rollback planning.
Yes, many ChangeMan tasks can be performed remotely when secure access to z/OS environments and clear release procedures are available. On-site sessions can still help with workshops, legacy-process discovery and coordination across operations and application teams in Germany.
Ask the ChangeMan specialist to describe a complete change path from source component to production and backout. Look for precise answers about package structure, approvals, dependencies, libraries, security and operational handover rather than familiarity with isolated screens.
ChangeMan is closely associated with established z/OS estates, but it can support modernization when mainframe delivery remains part of the target architecture. Specialists can connect controlled ZMF packages with testing, automation and broader release processes instead of treating the mainframe as a separate island.
A ChangeMan professional may deliver package models, promotion paths, approval workflows, release runbooks and backout procedures. Depending on the project, the work can also include repository cleanup, dependency analysis, tool integration, documentation and knowledge transfer.
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 753 € 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 Request a free demo
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Philipp Thomaschewski
FRATCH CEO
