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Book synopsis

Build lightning fast, scalable backend services with modern Python engineering

Speed is not a feature.
It is a requirement.

In modern applications, APIs must handle high traffic, respond quickly, and scale without breaking. Performance issues are no longer acceptable in production systems.

"Fast by Design" is a practical, engineering focused guide to building high performance APIs using Python and FastAPI.

This book teaches you how to design systems that are fast from the ground up.

Why performance matters in APIs

Slow APIs lead to:

• poor user experience
• system bottlenecks
• higher infrastructure costs
• scalability limitations

With the right architecture, you can:

• handle high concurrency
• reduce latency
• improve throughput
• scale efficiently

What you will learn

• fundamentals of API design and performance
• building APIs with FastAPI
• asynchronous programming patterns
• event driven and non blocking systems
• optimizing database access
• caching strategies for speed
• load handling and scaling techniques
• testing and benchmarking APIs
• deployment and production optimization
• monitoring and performance tuning

From simple endpoints to high performance systems

Throughout the book, you will learn how to:

• design efficient API architectures
• write async code that scales
• identify and eliminate bottlenecks
• optimize performance under load
• deploy APIs to production environments
• maintain high availability systems

Each chapter focuses on real performance improvements.

Practical applications

• high traffic backend services
• SaaS APIs
• real time applications
• data processing APIs
• microservices architectures

These examples reflect real production scenarios.

Who this book is for

• backend developers
• Python engineers
• API developers
• system architects
• developers building scalable systems

If you want to build APIs that are fast, efficient, and production ready, this book provides the roadmap.

Design for speed.
Build for scale.
Deliver performance.

Book details

• Full title: Fast by Design
• Subtitle: High-Performance Python APIs with FastAPI, Async Patterns, and Production Deployment
• Author: RAFAEL SANDERS
• Language: English
• Binding: Paperback
• Number of pages: 292
• EAN: 9798195093037
• ID: 52257491
• Publisher: Independently published
• Weight: 395 g
• Dimensions: 229 × 152 × 16 mm
• Date of publishing: 01. May 2026

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