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We Accelerated Software Development by 12% and Significantly Increased Efficiency with GitHub Copilot Integration for UK’s Largest Software Development Firm

FinTech
Posted On: 21 August, 2025

About the Client

The client is UK’s largest private software company that specializes in providing business software across accountancy, payroll, HR, education and financial management sectors.

They have been serving a range of clients, from small businesses and startups to large enterprises for 40+ years.

Business Needs | Accelerated Feature Delivery and Enhanced Test Coverage

The client needed to compress release cycles and achieve faster go-to-market without sacrificing quality.

The challenge was to scale engineering capacity across backend, UI, and test automation without introducing niche skillsets or long ramp-ups, while improving unit-test coverage and code consistency to lower release risk.

Teams also had to speed up understanding of complex, legacy code and sparse documentation so developers could navigate, refactor, and deliver enhancements rapidly.

Solutions | Streamlined SDLC with Copilot Integration

Cybage partnered with the client through a sustainable engineering engagement focused on accelerating delivery across engineering, QA, automation, and BA services.

A key enabler was the adoption of GitHub Copilot across the SDLC, which supported developers with context-aware code generation, automated unit-test creation, inline documentation, and faster troubleshooting. 

Copilot’s coding-standard suggestions were further integrated with SonarQube to enforce best practices and maintain quality gates.

This approach helped the team deliver enhancements faster, improve code quality, and reduce manual effort, while ensuring the solution was scalable and adaptable for future releases.

Business Impact | Faster Development Cycle with Improved Efficiency

The engagement delivered tangible productivity gains and quality improvements.

Backend development cycles were accelerated by nearly 12%, while UI feature delivery improved by 15–20%, enabling faster release of customer-facing features.

Automated unit-test generation reduced developer effort by 50%, resulting in higher coverage and greater release confidence.

The combined use of GitHub Copilot and SonarQube led to fewer defects and more consistent code quality, while quicker comprehension of complex modules shortened onboarding and reduced dependency on legacy documentation.

Overall, the client achieved a faster go-to-market with improved reliability and scalability in its accountancy software suite.

Technology Stack

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