08/10/2026 updated
DF
Premium member
60 % partially availableMainframe Programmer & Technical Writer
Rehovot, Israel
Only remote
Bachelor of Science in Physics, Drexel UniversityAbout me
40 years experience programming and teaching IBM Mainframe Cobol/CICS/VSAM online systems, and batch JCL. I'm looking for a part-time position where I can also mentor new MF programmers.
Customer Information Control System (CICS)COBOL (Programming Language)IBM MainframeMainframe ProgrammingMicrofocus
Mainframe Programming (COBOL, CICS, DB2, Assembly)
Extensive experience developing CICS/COBOL/DB2 applications for conversion to internet-accessible web services, including IBM S/370 Assembly Language and IBM Mainframe environments.
Technical Writing & Documentation
Preparation of user manuals, APIs, and technical documentation for more than 80 software and medical device companies, using tools such as GitHub, Jira, Madcap Flare, and Confluence.
Software Development & Training
Development and delivery of IT course materials in 15 countries, covering Java, Visual Basic, JavaScript, HTML, and proprietary software platforms for developers, systems engineers, managers, and end-users.
Java Development
Testing and development of Java-based connectors for IBM mainframe, CICS, SAP, AS400, and other legacy systems.
Kubernetes
Development and presentation of Kubernetes lectures to product, sales, and pre-sales teams.
API Development & Documentation
Documentation of proprietary software APIs and development of training tutorials using Confluence and GitHub.
Y2K & Euro Currency Conversion
Development of software tools for conversion to Y2K-compliant code and Euro currency conversion using COBOL, CICS, and IBM Mainframe technologies.
MicroFocus & Legacy Systems
Work with MicroFocus, C language, and various legacy systems including SAP and AS400 in a self-employed capacity for worldwide clients.
Hypothesis Annotation Tool & Flare Conditions
Introduction of innovations using the Hypothesis annotation tool and complex Flare conditions and targets for documentation management.
Extensive experience developing CICS/COBOL/DB2 applications for conversion to internet-accessible web services, including IBM S/370 Assembly Language and IBM Mainframe environments.
Technical Writing & Documentation
Preparation of user manuals, APIs, and technical documentation for more than 80 software and medical device companies, using tools such as GitHub, Jira, Madcap Flare, and Confluence.
Software Development & Training
Development and delivery of IT course materials in 15 countries, covering Java, Visual Basic, JavaScript, HTML, and proprietary software platforms for developers, systems engineers, managers, and end-users.
Java Development
Testing and development of Java-based connectors for IBM mainframe, CICS, SAP, AS400, and other legacy systems.
Kubernetes
Development and presentation of Kubernetes lectures to product, sales, and pre-sales teams.
API Development & Documentation
Documentation of proprietary software APIs and development of training tutorials using Confluence and GitHub.
Y2K & Euro Currency Conversion
Development of software tools for conversion to Y2K-compliant code and Euro currency conversion using COBOL, CICS, and IBM Mainframe technologies.
MicroFocus & Legacy Systems
Work with MicroFocus, C language, and various legacy systems including SAP and AS400 in a self-employed capacity for worldwide clients.
Hypothesis Annotation Tool & Flare Conditions
Introduction of innovations using the Hypothesis annotation tool and complex Flare conditions and targets for documentation management.
Experience
Professional experience10+ years
Freelancer since1982
Languages
GermanBasic knowledgeEnglishNative speaker
Project history
Learn and teach proprietary software on the IBM Mainframe, CICS, Cobol, Assembly, C language, Java, MicroFocus. Prepare user manuals, APIs, and other documentation for more than 80 software and medical device companies. Develop and teach IT course materials in 15 countries for developers, systems engineers, managers, client customers, and end-users. Clients include Amdocs, BMC Software, and Genesys Systems.
Review and revise technical documentation using Github, Jira, and Madcap Flare. Coordinate technical documentation with pre-sales and marketing teams. Develop Kubernetes lectures and present to product, sales, and pre-sales teams. Maintain Staging and Production documentation web sites. Introduce innovations using Hypothesis annotation tool and complex Flare conditions and targets.
Develop CICS/Cobol/DB2 applications for conversion to internet-accessible web services. Document proprietary software APIs. Test Java-based connectors for IBM mainframe, CICS, SAP, AS400, and other legacy systems. Plan, develop and implement training tutorials using Confluence and GitHub.