Wonjun Jeong

Backend engineer focused on scalable systems and reliable API design.

South Korea

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Dev Battery

A technical journal about algorithms, backend architecture, and evidence-based software engineering.

NeetCode

[NeetCode] 912. Sort an Array

Synced attempt history for LeetCode 912: Sort an Array.

2026-05-13

[NeetCode] 912. Sort an Array

Synced attempt history for LeetCode 912: Sort an Array.

algorithms neetcode python

TIL

2026-05-12

[TIL] Junior Web Developer Log - Day 93

TIL

work work-out cs

NeetCode

2026-05-12

[NeetCode] 706. Design HashMap

Synced attempt history for LeetCode 706: Design HashMap.

algorithms neetcode python

TIL

2026-05-11

[TIL] Junior Web Developer Log - Day 92

TIL

work work-out cs

NeetCode

2026-05-11

[NeetCode] 705. Design HashSet

Synced attempt history for LeetCode 705: Design HashSet.

algorithms neetcode python

TIL

2026-05-08

[TIL] Junior Web Developer Log - Day 91

TIL

work cs

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Wonjun Jeong

Dev Battery

[NeetCode] 912. Sort an Array

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[NeetCode] 912. Sort an Array

[TIL] Junior Web Developer Log - Day 93

[NeetCode] 706. Design HashMap

[TIL] Junior Web Developer Log - Day 92

[NeetCode] 705. Design HashSet

[TIL] Junior Web Developer Log - Day 91

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