Software Engineer – Mainframe Applications

Swedbank Corporates & Institutions

Mainframe Software Engineer developing and maintaining critical business applications on IBM z/OS systems. Involves collaboration with cross-functional teams and troubleshooting production issues.

Posted 6/10/2026full-timeSundbyberg • 🇸🇪 SwedenMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

.NET

About the role

Key responsibilities & impact

Develop, maintain, and enhance critical business applications running on IBM z/OS systems.
Design, develop, test and maintain COBOL and JCL programs
Troubleshoot production issues and optimize batch workflows.
Managing batch jobs and online transactions.
Debugging and optimizing legacy systems.
Supporting system integrations and modernization initiatives.
Collaborate with cross-functional teams for system changes.
Document the solution.

Requirements

What you’ll need

Bachelor’s degree in computer science, Engineering, or related field
3+ years of experience in mainframe development
Experience with IBM z/OS in a batch processing environment
Strong knowledge of COBOL, DB2, DL1, JCL and IMS.
Understanding of mainframe batch processing and tools like Change man, OPC, FAN etc.
Familiarity with incident handling, root cause analysis, and production support
Strong analytical and problem-solving skills
Excellent communication and teamwork abilities
Basic knowledge on .NET, Visual basic skills along with mainframe integration are an advantage
A structured approach to troubleshooting and documentation
Able to work closely with application teams, operations, and infrastructure specialists
Experience in banking or financial services domain.

Benefits

Comp & perks

Personal and professional growth through self-leadership and continuous development.
Meaningful work that positively impacts our workplace, our customers, and society.
An open and collaborative culture that encourages cross-functional teamwork and provides networking opportunities.
A supportive and inclusive environment that promotes a balanced and sustainable work-life, with flexible working conditions when suitable for the role.
Benefits such as our share based reward program Eken, company pension plan, employee offer for banking products, health insurance.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

COBOLJCLDB2DL1IMSIBM z/OSmainframe developmentbatch processingtroubleshootingdebugging

Soft Skills

analytical skillsproblem-solving skillscommunication abilitiesteamwork abilitiesstructured approachcollaborationdocumentation

Certifications

Bachelor’s degree in computer scienceBachelor’s degree in Engineering