Data Structures & Algorithms

The interview gate - and the engineering foundation.

Complexity analysis, the core data structures, the essential algorithms and the problem-solving patterns that unlock coding interviews at product companies.

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  1. 1

    Foundations

    Measure before you optimise.

    1 week0/3
  2. 2

    Linear Structures

    Lists, stacks and queues, instinctively.

    1–2 weeks0/3
  3. 3

    Trees & Graphs

    Hierarchies and networks.

    2–3 weeks0/4
  4. 4

    Algorithms & Patterns

    The toolkit for hard questions.

    2–3 weeks0/4

  5. Certification coming soon.

    A verified Data Structures & Algorithms certification is on the way. Work the path now — and in the meantime, browse the certifications already live to put proof behind your other skills.