Principal Software Engineer

Rocket Software, Inc. · newbury, england, United-Kingdom

Location
newbury
Job Type
Full-time
Posted
June 08, 2026

Job Description

Job Summary

We are seeking a highly experienced Principal Software Engineer to lead the modernisation of our COBOL development ecosystem and Enterprise Server application replatforming products. The role is hands‑on, strategic, and involves designing, building, and evolving mission‑critical infrastructure used by global enterprises.

Responsibilities

  • Architect, design, and implement core components within our COBOL development tools, runtime environments, and mainframe replatforming infrastructure.
  • Provide technical direction across multiple engineering teams building compilers, runtimes, middleware, and large‑scale distributed systems.
  • Drive modernization strategies for legacy application ecosystems, including cloud migration, workload transformation, and hybrid deployment scenarios.
  • Own complex technical domains end‑to‑end from design through production, balancing long‑term architecture with immediate product needs.
  • <...

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