5 Must-Have Books for a Software Architect
If you want to understand what architecture really is and learn to think like an architect, I recommend reaching for books. Here are the five I keep coming back to.
Let's talk about how to reach the next level as an engineer. If you want to really understand what architecture is and learn to think like an architect, this one is for you. 📚
I know, I know. It's all online today: blogs, forums, Substacks. And that's true. The problem is that stitching all those pieces of information and experience together can take weeks, and it's easy to get lost on the way. A book gives you precise, condensed knowledge. Someone already did the work to think it through and put it in order.
You can grow toward becoming an architect in many ways. For me, books are one of the best ways to see other approaches, other systems, and problems I haven't had the chance to meet on my own projects yet. It's a way to step out of your own bubble and look at software engineering more broadly. So I put together five books that, in my view, are must-have for any architect.
The foundation: Fundamentals and The Hard Parts
To start, I recommend a duo: Fundamentals of Software Architecture and Software Architecture: The Hard Parts, both from Neal Ford and Mark Richards. They complement each other really well. Fundamentals gives you the basics. You'll understand what quality attributes are and how to measure them, get to know different architectural styles like layered, event-driven or microservices, and see how to make decisions and what ADRs are.
Fundamentals of Software Architecture
The basics done right. Quality attributes and how to measure them, the main architectural styles, and how to actually make and record decisions with ADRs. This is the book that gives you the vocabulary.
View the book →From The Hard Parts you'll take away the most important lesson. In architecture there's rarely one right answer, but there are trade-offs. The whole book is the story of a team migrating a legacy monolith to a modern distributed architecture. At every decision, whether it's about service granularity, data ownership, data migration, or distributed transactions handled by sagas, you get a way of thinking that helps you consciously weigh the pros and cons of each approach. Instead of ready-made recipes, you get a mindset that stays with you for years.
Software Architecture: The Hard Parts
One long story of a team pulling a legacy monolith apart into a distributed system. Every decision comes with a way to weigh the trade-offs. You walk away with a way of thinking, not a cheat sheet.
View the book →If technical books bore you and you want something more hands on, grab Head First Software Architecture. It's full of exercises and illustrations, and it reads in a really engaging way. I recommend it because I worked through it that way myself and I was impressed. It's a completely different experience.
The Software Architect Elevator
Let's move to the next pick. The Software Architect Elevator by Gregor Hohpe. The title says a lot. It's about the elevator the architect rides between the engineering room, the team and the code, and the top floor, where the business decisions are made.
The Software Architect Elevator
The architect's real job is connecting two worlds. Risk and cost in the language of the board, strategy in the language of the team. Dozens of short, concrete chapters on reversible decisions, diagrams that actually say something, and pushing change through a company that resists it.
View the book →Hohpe shows that it's nonsense that an architect only draws diagrams and disappears. His job is connecting those two worlds. He translates the risk and cost of a decision into the language of the board, and strategy into the language of the team. The book is cut into a few dozen short chapters, all substance. You'll learn how to make decisions you can later reverse, and which ones you have to think through up front because there's no going back. There's a lot about drawing diagrams that actually say something, and about introducing change in complex projects.
System Design Interview
System Design Interview by Alex Xu. The word "interview" in the title is a bit misleading, because it's not just a cheat sheet for recruitment.
System Design Interview – An Insider's Guide
A simple four-step approach to any problem, plus a dozen systems worked out from one server to millions of users: rate limiter, URL shortener, news feed, notifications, YouTube, Google Drive. The biggest boost to the toolbox you reach for during system design.
View the book →Alex gives you two things. The first is a simple, four-step approach to any problem: ask about the requirements, estimate the scale quickly, sketch the design roughly, then go into the details.
The second is a dozen or so worked-out systems, real case studies: a rate limiter, a URL shortener, a news feed, notifications, YouTube, Google Drive. On them you see how a solution grows from a single server to something that serves millions of users. Along the way you pick up database replication, caching, sharding, consistent hashing and load balancing, and above all you widen your toolbox with the concrete patterns and technologies you need to build performant, scalable and fault-tolerant systems. This book will give you the biggest boost of knowledge you'll use in the design phase.
Designing Data-Intensive Applications
Designing Data-Intensive Applications by Martin Kleppmann. Complex systems are data, whether we like it or not, so as an architect you have to understand how databases work.
Designing Data-Intensive Applications
What really sits under databases and distributed systems, from reliability, scalability and maintainability through replication, partitioning, transactions and consistency to batch and stream processing. After this book you stop treating the database as a black box.
View the book →Kleppmann explains what sits under databases and distributed systems. He starts from the three things everything stands on: reliability, scalability and maintainability. Then he walks you through data models and storage engines, through replication, which is keeping the same data on many machines and what happens when a replica starts to lag. Further on you get partitioning and sharding, transactions, consistency, and at the end batch and stream processing.
After this book you stop treating the database as a black box. You start understanding why it hands back stale data and how much every consistency guarantee really costs you. These are the foundations of distributed systems. If you don't take them seriously, sooner or later it'll blow up in production, and decisions that looked sensible will turn out to be fragile.
Master Software Architecture
The last pick I recommend is Master Software Architecture, a book by my friend Maciek Jędrzejewski. It shows architecture from the practical side and gives you practices you drop straight into the project. You reach for it when you want to organize your own craft, not just memorize definitions.
Master Software Architecture: A Pragmatic Guide
A practical handbook for the working architect, years of experience in a pill. DDD in practice with event storming and domain storytelling, choosing between a modular monolith and microservices, planning blue-green or canary releases, adapting your test strategy, and a dedicated chapter on evolutionary architecture.
View the book →Maciek gives you a practical guide to the work of a software architect, his years of architectural experience in a pill. He doesn't leave you at the level of slogans. He gives a lot of space to DDD in practice: how to really discover the domain through event storming and domain storytelling, and how to mark out bounded contexts. He shows how to choose an architectural style, a modular monolith or microservices, and what to wire the communication with. How to plan a release in a blue-green or canary model, and how to adapt your testing strategy. There's a dedicated chapter on evolutionary architecture, and every stage of designing and building software gets covered. From this book you'll pull concrete approaches and techniques you can put to work right after reading.
That's my list
That's my top list of books on software architecture. You won't understand the concepts in them right away. They'll keep sprouting in your head for years, and that's a good thing. You'll get a broader horizon, and in the end it'll show in your thinking and in the quality of your work. That's it from me. 🚀
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