CareerPlanSign in

Mainframe Software Engineer

Office - Prague💼 Full-time🗓 2026-06-27 → 2026-09-29

Core

Design, develop, and modernize core data discovery and scanning capabilities across enterprise systems, specifically focusing on a Java-based agent running on IBM z/OS.

Role type

Mainframe Software Engineer

Builds

Java-based agents, microservices, and APIs for data privacy, security, and governance on mainframe and cloud environments.

Domain

Data storage, enterprise data governance, mainframe modernization

Required skills

Java (Spring, Spring Boot), distributed systems, microservices, IBM z/OS, mainframe technologies (VSAM, QSAM, IMS, DB2, JCL), containerization (Kubernetes)

Preferred skills

AI-assisted development, DevOps/CI/CD, Golang, COBOL/REXX, legacy modernization

Technologies

IBM z/OS, Spring, Spring Boot, Kubernetes, VSAM, QSAM, IMS, DB2, JCL, Golang, COBOL, REXX

Responsibilities

Design and maintain Java agents on IBM z/OS; build capabilities to scan mainframe technologies; implement scalable software solutions from dev to production; optimize performance for large-scale data workloads; share mainframe expertise with the team.

Seniority

Mid-level to Senior, hands-on IC

Sourced via greenhouse · Listed on CareerPlan, which tracks 854,000+ jobs from 20+ sources.