Isabel Garrido Cardenas - What could possibly go wrong?

Testing

Learn from a personal story of failure and discover the importance of testing, understanding context, and deploying quickly while avoiding common pitfalls in software development.

Key takeaways

The speaker shares a personal story about a failure in one of their applications, Sauer and I, which was a file reader that received information from containers and their destinations.
The failure was caused by trying to evolve the system too quickly and not testing it properly, leading to many issues, including incorrect numbers and a complete disaster.
The speaker highlights the importance of understanding the context, being able to deploy fast and automatically, and being able to see the health of the system.
They also emphasize the need to ask questions and not take things for granted, and to learn from mistakes.
The team worked on observability and added more events to improve the system, but it was a complex solution and also had some drawbacks.
The speaker notes that there is no silver bullet and that every solution has its pros and cons.
They also mention that they didn’t have much experience working with the legacy tech they were using.
The speaker discusses the importance of testing and highlights the need to have a solid plan and a good understanding of the feature being developed.
The team added more tests and used an internal event bus to help understand what was going on inside the system.
The speaker concludes that as software engineers, it’s important to ask questions and not take things for granted, and to learn from mistakes.

Isabel Garrido Cardenas - What could possibly go wrong?

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