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Programming

3 articles

Language-agnostic fundamentals, aimed at interviews and at the design conversations that happen before code. This section holds a full-stack system design walkthrough, an extensive data structures and algorithms question set with worked solutions, and an object-oriented programming reference covering inheritance, composition, and the design principles that get asked about by name. Answers explain the reasoning, not just the conclusion, so the material is useful for building intuition rather than for memorisation.

programming

45 OOP Interview Questions and Answers (2026)

45 OOP interview questions covering the four pillars, SOLID principles, and design patterns with real code in Java, Python, JavaScript, and C#. Updated for 2026

Jun 27, 2026·45 min read·Zeeshan Tofiq
programming

50 DSA Interview Questions and Answers (2026)

50 DSA interview questions covering arrays, linked lists, trees, graphs, dynamic programming, and the 8 coding patterns that cover most interview problems. Updated for 2026

Jun 27, 2026·42 min read·Zeeshan Tofiq
programming

Senior Full Stack System Design Interview Questions: How to Architect the Whole System (2026)

How senior full stack developers should answer system design questions: a complete framework covering frontend, API, database, and deployment in one story.

Jul 9, 2026·18 min read·Zeeshan Tofiq