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\\u201cSoftware engineering involves a lot of decisions, and that decision has some trade-offs. We have pros and cons. It\\u2019s not like one decision is always better than the other."

Tomasz Lelek is the author of \\u201cSoftware Mistakes and Tradeoffs\\u201d. In this episode, Tomasz shared what led him to write his book and one of the past software mistakes from his career experience. He also gave advice on how software developers should approach the potential software mistakes and explained some typical trade-offs when making software engineering design decisions, such as code duplication vs flexibility, premature optimization vs optimizing hot-path, data locality and memory, and finally delivery semantics in distributed systems.

Listen out for:

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• Career Journey - [00:05:00]
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• Why Write about Software Mistakes and Trade-offs - [00:07:42]
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• Software Mistake Experience - [00:10:16]
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• Tips for Software Developers - [00:13:08]
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• Trade-off 1: Code Duplication vs Flexibility - [00:15:24]
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• Trade-off 2: Premature Optimization vs Optimizing Hot-Path - [00:20:08]
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• Trade-off 3: Data Locality and Memory - [00:25:02]
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• Trade-off 4: Delivery Semantics in Distributed Systems - [00:33:01]
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• 3 Tech Lead Wisdom - [00:40:28]
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Tomasz Lelek\\u2019s Bio
\\nTomasz currently works at Datastax, building products around one of the world\\u2019s favorite distributed databases - Cassandra. He contributes to Java-Driver, Cassandra-Quarkus, Cassandra-Kafka connector, and Stargate. He previously worked at Allegro, an e-commerce website in Poland, working on streaming, batch, and online systems serving millions of users. He is also a published author of \\u201cSoftware Mistakes and Tradeoffs: Making good programming decisions\\u201d that is focusing on real-world problems you may encounter in your production systems.

Follow Tomasz:

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• LinkedIn \\u2013 https://www.linkedin.com/in/tomaszlelek/
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• Twitter \\u2013 @tomekl007
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• GitHub \\u2013 https://github.com/tomekl007
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\\nFor more info about the episode (including quotes and transcript), visit techleadjournal.dev/episodes/60.