System Design Interview Preparation Guide
A structured approach to preparing for system design interviews, covering the framework interviewers expect, common topics to study, and how to communicate y...
CS Educator & Interview Coach
Neha teaches data structures, algorithms, and interview preparation. She helps students and professionals prepare for technical interviews at product-based companies.
13 articles
A structured approach to preparing for system design interviews, covering the framework interviewers expect, common topics to study, and how to communicate y...
A curated list of common JavaScript interview questions with clear explanations, covering closures, hoisting, the event loop, prototypes, and equality compar...
Practical resume tips for software developers, covering how to describe technical work with impact, formatting advice, and what to leave off a strong develop...
Practical advice for building a developer portfolio that actually gets noticed by recruiters and hiring managers, covering project selection, presentation, a...
Learn the fundamentals of operating system memory management, including virtual memory, paging, the stack versus the heap, and how memory leaks occur.
Understand the difference between processes and threads in operating systems, including memory isolation, context switching, and when to use multiprocessing...
A deep dive into how HTTP and HTTPS work, covering request/response structure, methods, status codes, headers, and how TLS secures HTTP traffic today.
A clear explanation of the OSI model's seven layers, what each layer actually does, and how real-world protocols like HTTP, TCP, and Ethernet map onto them.
Understand how hash tables achieve near-constant time lookups, how hash functions and collision handling work, and common interview patterns that rely on them.
A practical explanation of core sorting algorithms including bubble sort, merge sort, and quicksort, with time complexity comparisons and when to use each.
An introduction to binary trees covering traversal methods, binary search trees, common operations, and recursive patterns every beginner should understand.
A clear introduction to linked lists covering singly and doubly linked lists, common operations, and classic interview patterns like cycle detection and reve...
Master arrays and strings for coding interviews with core patterns like two pointers, sliding window, and prefix sums, explained with complexity analysis and...