Making significant changes to large, complex codebases is a daunting task--one that's nearly impossible to do successfully unless you have the right team, tools, and mindset. If your application is in need of a substantial overhaul and you're unsure how to go about implementing those changes in a sustainable way, then this book is for you.

Software engineer Maude Lemaire walks you through the entire refactoring process from start to finish. You'll learn from her experience driving performance and refactoring efforts at Slack during a period of critical growth, including two case studies illustrating the impact these techniques can have in the real world. This book will help you achieve a newfound ability to productively introduce important changes in your codebase.

Understand how code degrades and why some degradation is inevitable
Quantify and qualify the state of your codebase before refactoring
Draft a well-scoped execution plan with strategic milestones
Win support from engineering leadership
Build and coordinate a team best suited for the project
Communicate effectively inside and outside your team
Adopt best practices for successfully executing the refactor

About the Author

Maude Lemaire is a software engineer at Slack where she works to scale the product to support some of the world’s largest organizations. She spends most of her time chasing down people making network calls in a loop, refactoring unwieldy chunks of code, consolidating redundant database schemas, and building tools for other developers. Maude cares deeply about the developer experience and has actively sought out simpler, more efficient ways to structure code in each of her roles, at all levels of the stack.

Maude obtained a BSc. in Honours Software Engineering from McGill University.

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