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Sohail Mohammed
Sohail Mohammed

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The 3 Dโ€™s That Separate Junior Devs from Senior Engineers: Debugging, Detective Work, and the One Nobody Masters

๐Ÿš€ ๐—๐˜‚๐—ป๐—ถ๐—ผ๐—ฟ ๐˜ƒ๐˜€ ๐—ฆ๐—ฒ๐—ป๐—ถ๐—ผ๐—ฟ ๐—ง๐—ฒ๐˜€๐˜ ๐—˜๐—ป๐—ด๐—ถ๐—ป๐—ฒ๐—ฒ๐—ฟ๐˜€ โ€” ๐—ช๐—ต๐—ฎ๐˜ ๐—ฅ๐—˜๐—”๐—Ÿ๐—Ÿ๐—ฌ ๐˜€๐—ฒ๐˜๐˜€ ๐˜๐—ต๐—ฒ๐—บ ๐—ฎ๐—ฝ๐—ฎ๐—ฟ๐˜?

Itโ€™s not just years of experience.

Itโ€™s not just knowing frameworks.

Itโ€™s not even coding speed.

๐Ÿ‘‰ The difference lies in 3 โ€œinvisibleโ€ skills:

  1. Debugging beyond the obvious

  2. Detective work that turns chaos into clarity

  3. โ€ฆand ๐˜๐—ต๐—ฒ ๐—ผ๐—ป๐—ฒ ๐˜€๐—ธ๐—ถ๐—น๐—น ๐—ฒ๐˜ƒ๐—ฒ๐—ป ๐˜ƒ๐—ฒ๐˜๐—ฒ๐—ฟ๐—ฎ๐—ป๐˜€ ๐˜€๐˜๐—ฟ๐˜‚๐—ด๐—ด๐—น๐—ฒ ๐˜๐—ผ ๐—บ๐—ฎ๐˜€๐˜๐—ฒ๐—ฟ ๐Ÿ‘€

Iโ€™ve broken it down in my latest blog.

If youโ€™re a dev, tester, or engineer, this will make you rethink your growth path.

๐Ÿ’ก Question for you: Which of the 3 Dโ€™s do you think youโ€™re strongest at right now?

๐Ÿ”— Read the full breakdown here:

The 3 Dโ€™s That Separate Junior Devs from Senior Engineers: Debugging, Detective Work, and the One Nobody Masters | by Sohail Mohammed | Sep, 2025 | DataDrivenInvestor

Why 90% of engineers master debugging, 9% become great detectives, but only 1% understand the third D that changes everything.

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