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ืื™ืš ืœืœืžื•ื“ ืœืจืื™ื•ืŸ ืขื‘ื•ื“ื” ื‘ื”ื™ื™ื˜ืง โ€“ ื”ืžื“ืจื™ืš ื”ืฉืœื

31 ื‘ืื•ื’ื•ืกื˜ 2025ยท4 ื“ืงื•ืช ืงืจื™ืื”

ื›ื ื™ืกื” ืœืขื•ืœื ื”ื”ื™ื™ื˜ืง ื™ื›ื•ืœื” ืœื”ื™ื•ืช ืฆืขื“ ืžืจื’ืฉ โ€“ ืื‘ืœ ื’ื ืžืœื—ื™ืฅ. ืชื”ืœื™ืš ื”ื’ื™ื•ืก ื‘ื”ื™ื™ื˜ืง ืฉื•ื ื” ืžืื•ื“ ืžืชื—ื•ืžื™ื ืื—ืจื™ื: ื”ื•ื ื›ื•ืœืœ ืœื ืจืง ืฉืืœื•ืช ืขืœ ื”ื ื™ืกื™ื•ืŸ ื”ืงื•ื“ื ืฉืœื›ื, ืืœื ื’ื ืžื‘ื—ื ื™ื ื˜ื›ื ื™ื™ื, ืฉืืœื•ืช ืืœื’ื•ืจื™ืชืžื™ื•ืช (ื›ืžื• ื‘ึพLeetCode), ืขื™ืฆื•ื‘ ืžืขืจื›ื•ืช, ื•ืœื‘ืกื•ืฃ ื’ื ืฉืืœื•ืช ืื™ืฉื™ื•ืช ืฉื™ื‘ื—ื ื• ืืช ื”ื™ื›ื•ืœืช ืฉืœื›ื ืœื”ืฉืชืœื‘ ื‘ืฆื•ื•ืช.

ื”ืจื‘ื” ืžื•ืขืžื“ื™ื ืฉื•ืืœื™ื: ืื™ืš ื‘ื›ืœืœ ืœื•ืžื“ื™ื ืœืจืื™ื•ืŸ ืขื‘ื•ื“ื” ื‘ื”ื™ื™ื˜ืง? ื”ืื ื›ื“ืื™ ืœื”ืชื—ื™ืœ ื‘ืงื•ืจื•ืช ื—ื™ื™ื? ื‘ืชืจื’ื•ืœ ืฉืืœื•ืช? ืื• ืื•ืœื™ ื‘ื›ืœืœ ื‘ืœื™ื ืงื“ืื™ืŸ?

ื‘ืคื•ืกื˜ ื”ื–ื” ื ืขื‘ื•ืจ ื™ื—ื“ ืฆืขื“-ืื—ืจ-ืฆืขื“ ืขืœ ื›ืœ ื”ืชื”ืœื™ืš, ื ื‘ื™ืŸ ืžื” ืžืฆื•ืคื” ื‘ื›ืœ ืฉืœื‘, ื•ืื™ืš ืืคืฉืจ ืœื”ื’ื“ื™ืœ ืืช ื”ืกื™ื›ื•ื™ ืœืขื‘ื•ืจ ืืช ื”ืจืื™ื•ืŸ ื‘ื”ืฆืœื—ื”.
๐Ÿ‘‰ ื›ืืŸ ืชื•ื›ืœื• ืœืžืฆื•ื ืืช ื”ืงื•ืจืก ื”ืžืœื: ืื™ืš ืœืคืฆื— ืืช ื”ืจืื™ื•ืŸ ื‘ื”ื™ื™ื˜ืง


ืฉืœื‘ ืจืืฉื•ืŸ: ืœื”ื‘ื™ืŸ ืืช ืชื”ืœื™ืš ื”ื’ื™ื•ืก

ืœืคื ื™ ืฉืงื•ืคืฆื™ื ืœืงื•ื“ ืื• ืœึพLeetCode, ื—ืฉื•ื‘ ืœืžืคื•ืช ืืช ื”ื“ืจืš ื›ื•ืœื”:

  • ืฉืœื™ื—ืช ืงื•ืจื•ืช ื—ื™ื™ื โ€“ ื”ืกื™ื ื•ืŸ ื”ืจืืฉื•ื ื™.

  • ืฉื™ื—ื” ื˜ืœืคื•ื ื™ืช ืขื ืžื’ื™ื™ืก/ืช โ€“ ื‘ื“ื™ืงื” ืจืืฉื•ื ื™ืช ืฉืœ ื”ืชืืžื”.

  • ืจืื™ื•ืŸ ื˜ื›ื ื™ โ€“ ืชืจื’ื™ืœื™ ืงื•ื“, ืฉืืœื•ืช ืืœื’ื•ืจื™ืชืžื™ื•ืช ืื• ืžื‘ื—ืŸ ื‘ื™ืช.

  • ืจืื™ื•ืŸ ืขื™ืฆื•ื‘ ืžืขืจื›ื•ืช (ื‘ื—ืœืง ืžื”ื—ื‘ืจื•ืช) โ€“ ื‘ื“ื™ืงืช ื™ื›ื•ืœืช ื—ืฉื™ื‘ื” ืขืœ ืกืงื™ื™ืœ ื•ืชื›ื ื•ืŸ.

  • ืจืื™ื•ืŸ ืื™ืฉื™/ื”ืชื ื”ื’ื•ืชื™ โ€“ ื›ื“ื™ ืœื”ื‘ื™ืŸ ืืช ื”ืื•ืคื™ ืฉืœื›ื ื‘ืฆื•ื•ืช.

ื›ืืฉืจ ืืชื ื™ื•ื“ืขื™ื ืžืจืืฉ ืžื” ืžืฆืคื” ืœื›ื, ืจืžืช ื”ืœื—ืฅ ื™ื•ืจื“ืช, ื•ื”ื™ื›ื•ืœืช ืฉืœื›ื ืœืชื›ื ืŸ ื”ื›ื ื” ื ื›ื•ื ื” ืžืฉืชืคืจืช ืžืฉืžืขื•ืชื™ืช.


ืฉืœื‘ ืฉื ื™: ืงื•ืจื•ืช ื—ื™ื™ื ืฉื™ื‘ืœื˜ื• ืžืขืœ ื›ื•ืœื

ื”ืงื•ืจื•ืช ื—ื™ื™ื ืฉืœื›ื ื”ื ื›ืจื˜ื™ืก ื”ื›ื ื™ืกื” ืœืจืื™ื•ื ื•ืช. ืžื’ื™ื™ืกื™ื ืžืฉืงื™ืขื™ื ื‘ืžืžื•ืฆืข 6โ€“10 ืฉื ื™ื•ืช ื‘ื›ืœ ืžืกืžืš. ืœื›ืŸ ื”ื ื—ื™ื™ื‘ื™ื ืœื”ื™ื•ืช ื‘ืจื•ืจื™ื, ืงืฆืจื™ื ื•ืžื“ื•ื™ืงื™ื.

ื˜ื™ืคื™ื ื—ืฉื•ื‘ื™ื:

  • ื”ื“ื’ื™ืฉื• ืคืจื•ื™ืงื˜ื™ื ืžืขืฉื™ื™ื ืฉืขืฉื™ืชื (ื’ื ืื ื”ื ืฆื“ื™ื™ื ืื• ืžื”ืœื™ืžื•ื“ื™ื).

  • ื”ืฉืชืžืฉื• ื‘ืžื“ื“ื™ื ืžืกืคืจื™ื™ื โ€“ ืœื“ื•ื’ืžื”: โ€œืฉื™ืคืจืชื™ ื‘ื™ืฆื•ืขื™ื ื‘ึพ30%โ€ ื ืฉืžืข ื—ื–ืง ื™ื•ืชืจ ืžโ€œืฉื™ืคืจืชื™ ื‘ื™ืฆื•ืขื™ืโ€.

  • ื”ืชืื™ืžื• ืืช ื”ืงื•"ื— ืœืžืฉืจื” โ€“ ืžื™ืœื•ืช ืžืคืชื— ืžืชื•ืš ืžื•ื“ืขืช ื”ื“ืจื•ืฉื™ื ื™ื›ื•ืœื•ืช ืœื”ืฉืคื™ืข ืขืœ ืžืขืจื›ื•ืช ATS.

  • ืื ื–ื• ืžืฉืจื” ืจืืฉื•ื ื” โ€“ ื”ืชืžืงื“ื• ื‘ืคืจื•ื™ืงื˜ื™ื ืžื”ืืงื“ืžื™ื”, ืงื•ืจืกื™ื ืื• ืคืจื•ื™ืงื˜ื™ื ืขืฆืžืื™ื™ื ื‘ึพGitHub.

ื‘ื•ื ื•ืก: ื‘ืงื•ืจืก ืื ื™ ืžื“ื’ื™ื ื ื™ืชื•ื— ืืžื™ืชื™ ืฉืœ ืงื•ืจื•ืช ื—ื™ื™ื ื›ื“ื™ ืฉืชืจืื• ืžื” ืขื•ื‘ื“ ื•ืžื” ืœื.


ืฉืœื‘ ืฉืœื™ืฉื™: ืœื‘ื ื•ืช ืคืจื•ืคื™ืœ ืœื™ื ืงื“ืื™ืŸ ืžื ืฆื—

ืœื™ื ืงื“ืื™ืŸ ื”ื•ื ืœื ืขื•ื“ ืจืฉืช ื—ื‘ืจืชื™ืช โ€“ ื–ื” ื”ืžืงื•ื ืฉื‘ื• ืžื’ื™ื™ืกื™ื, ืžื ื”ืœื™ื ื•ืžืจืื™ื™ื ื™ื ืžื—ืคืฉื™ื ืžื•ืขืžื“ื™ื.

ื›ื“ื™ ืฉืคืจื•ืคื™ืœ ืœื™ื ืงื“ืื™ืŸ ื™ื‘ื™ื ืœื›ื ืคื ื™ื•ืช:

  • ืฆืจื• ื›ื•ืชืจืช (Headline) ืฉืžื“ื’ื™ืฉื” ืžื” ืืชื ืขื•ืฉื™ื ื•ืœื ืจืง ืืช ื”ืชืคืงื™ื“ ืฉืœื›ื. ืœื“ื•ื’ืžื”: Fullstack Developer | React & Node.js | Building Scalable Products.

  • ื”ื•ืกื™ืคื• ืกื™ื›ื•ื ืงืฆืจ (About) ืขื ืกื™ืคื•ืจ ืื™ืฉื™: ืžื” ืืชื ืื•ื”ื‘ื™ื ืœืคืชื—, ื‘ืื™ืœื• ื˜ื›ื ื•ืœื•ื’ื™ื•ืช ืืชื ืฉื•ืœื˜ื™ื, ื•ืื™ื–ื” ืขืจืš ืืชื ืžื‘ื™ืื™ื.

  • ื”ืขืœื• ืคื•ืกื˜ื™ื ืžื“ื™ ืคืขื ืขืœ ืœืžื™ื“ื”, ืคืจื•ื™ืงื˜ื™ื ืื• ืžื—ืฉื‘ื•ืช ืžืงืฆื•ืขื™ื•ืช โ€“ ื–ื” ืžืขืœื” ืืช ื”ื—ืฉื™ืคื” ืฉืœื›ื.

  • ื‘ืงืฉื• ื”ืžืœืฆื•ืช ืžืžื ื”ืœื™ื/ื—ื‘ืจื™ื ืœืœื™ืžื•ื“ื™ื โ€“ ื–ื” ืžื•ืกื™ืฃ ืืžื™ื ื•ืช.


ืฉืœื‘ ืจื‘ื™ืขื™: ื”ืจืื™ื•ืŸ ื”ื˜ื›ื ื™ โ€“ ื”ื—ืœืง ืฉื”ื›ื™ ืžืœื—ื™ืฅ ืžื•ืขืžื“ื™ื

ื›ืืŸ ืžื’ื™ืขื” ื”ืฉืืœื” ืฉื›ืœ ืžื•ืขืžื“ ืฉื•ืืœ ืืช ืขืฆืžื•: ืื™ืš ืœืœืžื•ื“ ืœืจืื™ื•ืŸ ื˜ื›ื ื™?

ื‘ืจื•ื‘ ื”ื—ื‘ืจื•ืช ืชืชื‘ืงืฉื• ืœืคืชื•ืจ ื‘ืขื™ื•ืช ืงื•ื“ โ€“ ืœืจื•ื‘ ื‘ืกื’ื ื•ืŸ ืฉืœ LeetCode. ื—ืฉื•ื‘ ืœื“ืขืช:

  • ืืœื’ื•ืจื™ืชืžื™ื ื‘ืกื™ืกื™ื™ื โ€“ ื—ื™ืคื•ืฉ ื‘ื™ื ืืจื™, ืžื™ื•ืŸ, ืจืงื•ืจืกื™ื”.

  • ืžื‘ื ื™ ื ืชื•ื ื™ื ืžืจื›ื–ื™ื™ื โ€“ ืžืขืจื›ื™ื, HashMap, Queue, Stack, ื’ืจืคื™ื ื•ืขืฆื™ื.

  • ื˜ื›ื ื™ืงื•ืช ืคืชืจื•ืŸ โ€“ Sliding Window, Two Pointers, BFS/DFS.

  • ื ื™ืชื•ื— ืกื™ื‘ื•ื›ื™ื•ืช Big-O โ€“ ืœื”ืกื‘ื™ืจ ื›ืžื” ื™ืขื™ืœ ื”ืคืชืจื•ืŸ ืฉืœื›ื.

ื”ืžืจืื™ื™ืŸ ืžื—ืคืฉ ืœืจืื•ืช ืื™ืš ืืชื ื ื™ื’ืฉื™ื ืœื‘ืขื™ื” โ€“ ืœื ืจืง ืื ื”ื’ืขืชื ืœืคืชืจื•ืŸ ื”ืกื•ืคื™. ืœื›ืŸ ื—ืฉื•ื‘ ืœื“ื‘ืจ ืชื•ืš ื›ื“ื™: ืœื”ืกื‘ื™ืจ ืœืžื” ื‘ื—ืจืชื ื‘ื’ื™ืฉื” ืžืกื•ื™ืžืช, ืžื” ื”ื™ืชืจื•ื ื•ืช ืฉืœื” ื•ืžื” ื”ื—ืกืจื•ื ื•ืช.

๐Ÿ‘‰ ื”ื›ื ืชื™ ื“ื™ืจืงื˜ื•ืจื™ ืฉืืœื•ืช LeetCode ืขื ืกืจื˜ื•ื ื™ ื”ืกื‘ืจ ืฉืœื™ โ€“ ื›ืš ืชื•ื›ืœื• ืœืœืžื•ื“ ืื™ืš ืœื’ืฉืช ืœืฉืืœื•ืช ื•ืœื‘ื ื•ืช ื‘ื™ื˜ื—ื•ืŸ.


ืฉืœื‘ ื—ืžื™ืฉื™: ืจืื™ื•ื ื•ืช ืขื™ืฆื•ื‘ ืžืขืจื›ื•ืช (System Design)

ื‘ืžื™ื•ื—ื“ ื‘ืชืคืงื™ื“ื™ื ืžืขืœ ื’โ€™ื•ื ื™ื•ืจ, ืชืฆื˜ืจื›ื• ืœื”ืชืžื•ื“ื“ ืขื ืฉืœื‘ ืขื™ืฆื•ื‘ ืžืขืจื›ื•ืช. ื›ืืŸ ื‘ื•ื—ื ื™ื ืืช ื”ื™ื›ื•ืœืช ืฉืœื›ื ืœื—ืฉื•ื‘ ื‘ืจืžื” ื’ื‘ื•ื”ื” ื™ื•ืชืจ: ืื™ืš ืžืขืจื›ืช ืขื•ื‘ื“ืช ื‘ืงื ื” ืžื™ื“ื” ืจื—ื‘.

ื“ื•ื’ืžืื•ืช ืœืฉืืœื•ืช:

  • ืื™ืš ื”ื™ื™ืชื ืžืชื›ื ื ื™ื ืžืขืจื›ืช ืฆโ€™ืื˜ ื‘ื–ืžืŸ ืืžืช?

  • ืื™ืš ื”ื™ื™ืชื ื‘ื•ื ื™ื ืžืขืจื›ืช ืฉืžืืคืฉืจืช ื—ื™ืคื•ืฉ ืžื”ื™ืจ ื›ืžื• ื‘ื’ื•ื’ืœ?

  • ืื™ืœื• ืจื›ื™ื‘ื™ื ื”ื™ื™ืชื ืžื•ืกื™ืคื™ื ื›ื“ื™ ืœื”ื‘ื˜ื™ื— ืืžื™ื ื•ืช ื•ื‘ื™ืฆื•ืขื™ื?

ื”ืžืคืชื— ื”ื•ื ืœื ืœื“ืขืช "ืžื” ื”ืคืชืจื•ืŸ ื”ื ื›ื•ืŸ", ืืœื ืœื“ืขืช ืœืคืจืง ื‘ืขื™ื” ื’ื“ื•ืœื” ืœื—ืœืงื™ื ื•ืœื”ืกื‘ื™ืจ ื‘ืฆื•ืจื” ื‘ืจื•ืจื”.


ืฉืœื‘ ืฉื™ืฉื™: ืฉืืœื•ืช ืื™ืฉื™ื•ืช ื•ื”ืชื ื”ื’ื•ืชื™ื•ืช

ื‘ืกื•ืฃ, ืœื ืžืฉื ื” ื›ืžื” ืืชื ื—ื–ืงื™ื ื˜ื›ื ื™ืช โ€“ ืื ืœื ืชืฆืœื™ื—ื• ืœื”ืจืื•ืช ืฉืืชื ืžืชืื™ืžื™ื ืœืฆื•ื•ืช, ื”ืกื™ื›ื•ื™ ืœืขื‘ื•ืจ ื™ื•ืจื“.

ืฉืืœื•ืช ืœื“ื•ื’ืžื”:

  • ืกืคืจ ืœื™ ืขืœ ืคืจื•ื™ืงื˜ ืฉื ื›ืฉืœ.

  • ืื™ืš ืืชื” ืžืชืžื•ื“ื“ ืขื ืœื—ืฅ?

  • ืื™ืš ืขื‘ื“ืช ื‘ืฆื•ื•ืช ืœื ืžืชืคืงื“?

ื˜ื™ืค: ื”ืฉืชืžืฉื• ื‘ืฉื™ื˜ืช STAR (Situation, Task, Action, Result) ื›ื“ื™ ืœืขื ื•ืช ื‘ืฆื•ืจื” ืžื•ื‘ื ื™ืช.


ืฉืœื‘ ืื—ืจื•ืŸ: ืื™ืš ืžืžืฉื™ื›ื™ื ืžืคื” ๐Ÿš€

ื”ื”ื›ื ื” ืœืจืื™ื•ื ื•ืช ื‘ื”ื™ื™ื˜ืง ื”ื™ื ืžืกืข ืžืชืžืฉืš. ื’ื ืื—ืจื™ ืฉืชืขื‘ืจื• ืจืื™ื•ืŸ ืื—ื“, ื›ื“ืื™ ืœื”ืžืฉื™ืš ืœืชืจื’ืœ ื•ืœืคืชื— ืืช ื”ืžื™ื•ืžื ื•ื™ื•ืช ืฉืœื›ื.

ื”ืฆืขื“ ื”ื‘ื ืฉืœื›ื:

  • ืœื‘ื ื•ืช ืชื•ื›ื ื™ืช ืœืžื™ื“ื” ืฉื‘ื•ืขื™ืช (ืฉืืœื•ืช LeetCode, ืงืจื™ืืช ืžืืžืจื™ื ื˜ื›ื ื™ื™ื, ืคืจื•ื™ืงื˜ื™ื ืื™ืฉื™ื™ื).

  • ืœืฉืžื•ืจ ืขืœ ืขื“ื›ื ื™ื•ืช ื‘ืคืจื•ืคื™ืœ ืœื™ื ืงื“ืื™ืŸ ื•ืงื•ืจื•ืช ื—ื™ื™ื.

  • ืœืœืžื•ื“ ืžื›ืœ ืจืื™ื•ืŸ โ€“ ื’ื ืื ืœื ื”ืชืงื‘ืœืชื.


ืœืกื™ื›ื•ื

ื›ื“ื™ ืœื”ืฆืœื™ื— ื‘ืจืื™ื•ื ื•ืช ื‘ื”ื™ื™ื˜ืง ืฆืจื™ืš ืœืฉืœื‘ ื›ืžื” ืชื—ื•ืžื™ื:

  • ืงื•ืจื•ืช ื—ื™ื™ื ื•ืœื™ื ืงื“ืื™ืŸ ืฉืžื‘ื™ืื™ื ืœื›ื ืจืื™ื•ื ื•ืช.

  • ื”ื›ื ื” ื˜ื›ื ื™ืช ืขื ืชืจื’ื•ืœ ืฉืืœื•ืช ืืœื’ื•ืจื™ืชืžื™ื•ืช ื•ืขื™ืฆื•ื‘ ืžืขืจื›ื•ืช.

  • ื”ื›ื ื” ืื™ืฉื™ืช ืขื ืกื™ืคื•ืจื™ื ื•ื ื™ืกื™ื•ืŸ ืฉื™ื•ื“ืขื™ื ืœื”ืฆื™ื’ ื‘ืฆื•ืจื” ื ื›ื•ื ื”.

ืจื•ืฆื™ื ืžืกื’ืจืช ืžืกื•ื“ืจืช ืฉืชื™ืงื— ืืชื›ื ืžื”ืฉืœื‘ ื”ืจืืฉื•ืŸ ืขื“ ืœืงื‘ืœืช ื”ืฆืขืช ืขื‘ื•ื“ื”?
๐Ÿ‘‰ ื”ืงื•ืจืก "ืื™ืš ืœืคืฆื— ืืช ื”ืจืื™ื•ืŸ ื‘ื”ื™ื™ื˜ืง"