Mainframe Application Developer (Senior / Expert Level)

The project is situated in the Insurance industry (Non-Life / Commercial) with a focus on stable operations, functional extensions, and long-term modernization of core systems. The team works in a hybrid setup (Onsite + Nearshore) with a long-term engagement type on a project basis, suitable for freelancers or external specialists.

• Strong hands-on experience with Assembler in an IBM mainframe environment (z/OS, optionally DOS/VSE)
• Solid experience with CICS
• Confident handling of VSAM data sets
• Several years of professional experience in mainframe application development

Nice to have:

• Knowledge of PL/I
• Interface experience or system knowledge related to SAP FS-CD
• Experience in modernization or transformation programs (e.g. factor10 or comparable initiatives)
• Domain knowledge in non-life / commercial insurance

• Enhancement and maintenance of existing application programs on IBM mainframe systems
• Analysis, design, and implementation of business requirements from the commercial insurance domain
• Root cause analysis and incident resolution in production environments (2nd and 3rd level support)
• Close collaboration with business departments, test management, and adjacent IT teams
• Active participation in a distributed team setup (onsite / nearshore)
• Creation and maintenance of technical documentation

The team works in a hybrid setup (Onsite + Nearshore). The engagement is suitable for freelancers or external specialists. Fluency in German is a very strong asset.