Apr 14, 2023 · Fundamentals

Eight Common Mistakes Made by Junior Developers and How to Overcome Them

This article identifies the eight most frequent errors junior developers make—from misunderstanding business needs and neglecting testing to ignoring security and failing to keep learning—and offers practical advice on focusing on problem solving, effective communication, and continuous skill improvement.

Junior Developerscommon mistakesproblem solving

0 likes · 12 min read

Eight Common Mistakes Made by Junior Developers and How to Overcome Them

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Nov 8, 2021 · Databases

When a Missing Index Cost $5,000: Lessons from a PlanetScale Mishap

An engineer’s oversight in a PlanetScale schema—omitting a foreign‑key‑based index—led to massive row‑scan costs, prompting a $5,000 bill, while the article also critiques junior developers’ naive schema designs and offers advice on proper database indexing and mentorship.

Junior DevelopersPlanetScalesql

0 likes · 8 min read

When a Missing Index Cost $5,000: Lessons from a PlanetScale Mishap