Senior Mainframe Software Engineer

About the role

Join Erste Digital’s Core Integration & Platforms team to develop and maintain large‑scale mainframe applications that support millions of customers. You will work on efficient libraries and modern micro‑services while collaborating with decentralized programmers.

Key responsibilities

• Design, implement, and operate mainframe software using Natural/Adabas, COBOL, DB2 and related technologies.
• Collaborate with decentralized programmers and agile teams to deliver high‑quality, fault‑tolerant solutions.
• Perform fault analysis, troubleshooting, and continuous improvement of existing systems.

Required profile

• Several years of mainframe development experience, preferably in banking.
• Strong analytical skills, reliability, resilience and ability to explain complex contexts clearly.
• Excellent communication in German and English, with willingness to work occasional nights or weekends.

Required skills

• Natural, Adabas, COBOL, DB2, SQL, CICS, ISPF, JCL on IBM z/OS.
• Experience with SQL databases such as Oracle or PostgreSQL.
• Knowledge of application lifecycle (planning, requirements, implementation, operation).

What we offer

• Progressive banking IT environment with responsibility and creative freedom.
• Flexible working hours, hybrid remote/on‑site model, health centre, cafeterias and restaurants.
• Employee benefits including financial services discounts, language courses, visa sponsorship and referral program.