Byte Stream Software
Outdated legacy systems are one of the most significant drags on business agility, security, and cost efficiency. We help businesses safely and systematically modernise legacy applications — reducing technical debt, improving maintainability, and unlocking the ability to innovate — while protecting existing business logic and data.
We perform a comprehensive assessment of your legacy landscape — cataloguing dependencies, data flows, integrations, and business rules — then develop a prioritised, risk-managed modernisation strategy with clear phases and milestones.
We systematically break down monolithic legacy applications into maintainable, independently deployable components or microservices — improving scalability, resilience, and the ability to update capabilities independently.
Our data engineers specialise in safe, validated data migrations — transforming legacy data structures into clean, well-modelled schemas that power modern applications reliably without data loss or corruption.
We use proven techniques such as the Strangler Fig pattern, feature flags, and blue-green deployments to deliver modernisation incrementally — ensuring business continuity with no disruptive big-bang cutovers.