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The Effective Engineer


I've been reading this book for 3 years now and it had different values for different moments in my career. As a new grad (or as a junior software engineer), the first time I read this book, I saw it with a lot of great tips and started applying in my career. The second time I read this book I was a more senior engineer and had a lot of different experiences in my career.

Reading this book for the second time was like remembering good examples from my career and things I could apply in some moments.

For new engineers, I think this book can be very valuable. Senior engineers, though, probably had these experiences before, but I think it can also be valuable for them as well. By the way, we are always learning.

So here are the notes I liked and documented while reading this book:

Dedicate time to develop a new skill

At Google, engineers have the 20/80 rule, where they can spend 20% of their time investing on innovation activities, personal projects, or learn new skills.

Prioritize Regularly

There will always be more tasks to do than you have time for. Working on one task means not working on another. This is why prioritization is so important. Some tasks will have more impact and more value (business or engineering value) than others. It's important to sort these tasks.

Productivity Engineering

We can always improve the developer experience and productivity.

Invest in iteration speed

To improve the iteration speed, we need to basically improve the engineering cycle. From when the engineer gets a new task to shipping it to production. When the iteration speed is fast, we take business opportunities and we learn faster.

Master your programming environment

To improve your experience developing software, mastering your coding environment is essential to be productive.

Measure what you want to improve

To see if our work is having a real impact, we need metrics.

Google, for example, use metrics for the quality of the search

Instrument everything to understand what is going on

Monitoring errors and system reliability have a huge importance in software engineering.

Validate your ideas early and quickly

Sometimes we have ideas to make the product or the software better, but we are not sure if it really works. Validate your ideas early and quickly to see if it is worth the time and effort, if it can be improved.

Balance quality with pragmatism

As software engineers, we always need to strive for quality. Sometimes we don't control over the quality because of a deadline or any other issue in the project. But we always need to find opportunities to the best work possible, but with pragmatism.

Implementing an abstraction that will take 2 days but will improve the software quality and make developers productive is a good idea. Implementing an abstraction that will take a month can be a signal to not do it now.

The idea is to write down the tradeoffs and find the balance in our decisions.

Activities where automation can help

Final words

I truly think this book can be valuable for engineers. It helped me a lot to reflect in my actions and behavior to be more effective and therefore have more impact.

If you can't find the time to read the entire book, I hope these notes can be beneficial for you. But I recommend reading the book to see the stories behind each topic and be inspired to put them in action.

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