debt reduction Establish and champion effective testing strategies across the codebase Improve testability , reliability, and long-term maintainability Drive adoption of CI/CD, automated testing, and static/dynamic analysis tools Mentor engineers, lead design reviews, and set engineering standards Balance strategic improvements with ongoing feature delivery and maintenance … with large, legacy systems A deep understanding of refactoring, modularisation, and architectural improvement Proven experience designing and implementing robust testing frameworks Ability to improve test coverage , introduce automated tests, and enhance CI pipelines Experience with unit testing, integration testing, and test-driven approaches A pragmatic mindset: improving quality ...