How to Design a URL Shortener Like Bitly or TinyURL
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
31/10/2025
Blogs
Explore the latest in technology, programming, and innovation to stay ahead in your career.
TRENDING KEYWORDS
Top 10 DSA Projects to Strengthen Your Resume
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
31/10/2025
LLM Infrastructure: How AI Models Are Deployed at Scale
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
29/10/2025
AI System Design Interview Questions for Software Engineers in 2025
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
28/10/2025
DNS Explained: How the Internet Finds Your Website
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
28/10/2025
API Gateway vs Load Balancer: What’s the Difference?
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
25/10/2025
Difference Between SDE-1, SDE-2, and SDE-3 Interview Levels Explained
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
25/10/2025
CAP Theorem Explained with Real-World System Design Examples
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
24/10/2025
Top Kubernetes Interview Questions for Software Developers in 2025
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
23/10/2025
Mock System Design Interview: How to Design Amazon Prime Video (Step-by-Step)
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
22/10/2025
Top 50 DSA Questions on Trees, Graphs, and Dynamic Programming for 2025 Interviews
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
21/10/2025
Complete Roadmap to Crack SDE Internships in 2025
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
17/10/2025
How to Master SQL for Technical Interviews
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
16/10/2025
Step-by-Step Guide to Master Recursion in DSA
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
15/10/2025
How to Crack System Design Interviews at FAANG Companies
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
14/10/2025
How to Design a Payment Gateway System Like Stripe or PayPal
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
10/10/2025
Best Online Platforms to Practice System Design Questions
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
09/10/2025
Java vs Python for Software Engineers: Which Should You Choose?
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
08/10/2025
System Design Basics: From Monolith to Microservices
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
07/10/2025
Object-Oriented Programming (OOP) Concepts Explained with Examples
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
06/10/2025
Caching Strategies Explained with Interview Examples
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
03/10/2025
HashMap & HashSet Problems: Common Interview Questions
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
02/10/2025
Top Netflix System Design Interview Questions
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
01/10/2025
Top Meta/Facebook System Design Interview Questions
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
30/09/2025
Queue and Deque Problems: Interview-Focused Questions
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
25/09/2025
DSA Mock Test: 30 Questions to Test Your Interview Readiness
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
24/09/2025
Key Insights into the High-Level Design of Amazon and Flipkart E-Commerce Platforms
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
23/09/2025
Advanced Tree Problems in FAANG Interviews
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
22/09/2025
Netflix Interview Questions: Mastering Coding and System Design for 2025
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
19/09/2025
Airbnb Interview Questions for Full-Stack Developers
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
18/09/2025
Most Asked Interview Questions at Google (2025 Edition)
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
17/09/2025
Top Microsoft Interview Questions for Software Engineers
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
16/09/2025
MERN Stack Interview Questions Every Developer Should Practice
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
12/09/2025
AI & Machine Learning Interview Questions for Developers
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
11/09/2025
Java vs Python for Software Engineers: Which Should You Choose?
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
08/09/2025
Top 30 JavaScript Interview Questions for Frontend Developers in 2025
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
06/09/2025
Top 10 System Design Questions for SDE-1 and SDE-2 Interviews
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
05/09/2025
Top 50 System Design Interview Questions and Answers
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
03/09/2025
Top 30 Machine Learning Interview Questions for Software Engineers
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
02/09/2025
Top 30 Operating System Interview Questions (With Answers)
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
01/09/2025
Top 25 Java Interview Questions and Answers for Software Engineers
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
30/08/2025
Database Interview Questions: SQL vs NoSQL Explained
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
29/08/2025
Best Roadmap to Become a Backend Developer in 2025
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
28/08/2025
Introduction to Low-Level Design (LLD) for Beginners
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
27/08/2025
Top 10 SQL Queries Asked in Coding Interviews
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
26/08/2025
Interview Preparation for Amazon, Google, and Microsoft in 2025
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
25/08/2025
SDE Roadmap 2025: Essential Skills Every Aspiring Developer Must Learn
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
23/08/2025
How to Prepare for SDE Interviews in 3–6 Months: A Complete Roadmap
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
22/08/2025
Top 50 Most Asked DSA Questions in FAANG Interviews
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
21/08/2025
Case Study: How to Design Netflix, Uber, or Instagram in System Design Interviews
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
20/08/2025
Low-Level Design (LLD) vs High-Level Design (HLD): Key Differences for SDEs
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
19/08/2025
Top 5 Mistakes to Avoid in Coding Interviews
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
18/08/2025
Machine Learning for Software Engineers in 2025 – Where to Start
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
16/08/2025
Top 30 DSA Questions to Crack Product-Based Company Interviews
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
14/08/2025
Low-Level Design (LLD) Interview Questions and Solutions
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
13/08/2025
Cloud Computing for Software Development Engineers: AWS, Azure, and GCP Roadmap
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
12/08/2025
MongoDB Aggregation Pipeline Simplified with Examples
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
11/08/2025
Complete Guide to Preparing for SDE-1 Role in 90 Days
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
09/08/2025
Full-Stack Development vs DSA: Which Path Should You Focus On?
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
08/08/2025
Roadmap to Learn MERN Stack from Scratch in 2025
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
07/08/2025
Low-Level Design of BookMyShow: Object-Oriented Concepts in Action
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
06/08/2025
How to Build a Strong Developer Portfolio in 2025
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
04/08/2025
CSS in 2025: Latest Features and Techniques You Must Know
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
02/08/2025
Next.js 15 vs. Remix: Which Framework Should You Learn in 2025?
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
31/07/2025
Top 20 JavaScript Interview Questions and Answers for 2025
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
30/07/2025
Docker and Kubernetes Interview Questions for Deployment Engineers
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
29/07/2025
Terraform Interview Questions for Infrastructure Roles
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
28/07/2025
CI/CD Pipeline Interview Questions with Real-World Scenarios
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
26/07/2025
Interview Questions for Freshers from Non-Tech Backgrounds – Copy
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
25/07/2025
Agile & Scrum Interview Questions for Project Managers
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
24/07/2025
Cybersecurity Interview Questions for Beginners and Experts
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
22/07/2025
Debugging-Based Interview Questions for Developers
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
22/07/2025
Object-Oriented Programming Interview Questions with Practical Examples
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
21/07/2025
Explain Continuous Integration (CI) & Continuous Deployment (CD)
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
18/07/2025
Explain Content Delivery Networks (CDN) in Interviews
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
17/07/2025
Difference Between Load Balancing and Failover Guide for Interviews and System Design
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
16/07/2025
Handling Pagination in APIs: Common Web Interview Questions
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
15/07/2025
Webhooks vs. API Polling: A Comprehensive Guide with Examples
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
14/07/2025
Concurrency vs Parallelism in Web Development Interviews
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
12/07/2025
Most Asked Web Development Interview Questions with Detailed Answers
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
11/07/2025
Frontend Interview Guide: HTML, CSS, and JavaScript Questions You Should Expect
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
10/07/2025
Essential Backend Developer Interview Questions to Prepare For in 2025
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Usmanali
09/07/2025
Full Stack Developer Interview Preparation: Coding, Architecture, and Problem Solving
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
08/07/2025
Hoisting, Scope, and Execution Context in JavaScript Explained for Interviews
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
04/07/2025
TypeScript Interview Questions for Modern Frontend Developers: A Comprehensive Guide
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
03/07/2025
Guide to Server-Side Rendering (SSR) vs Client-Side Rendering (CSR)
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
02/07/2025
Cross-Origin Resource Sharing (CORS) Explained for Interviews
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
01/07/2025
Webpack and Bundlers: Essential Concepts for Frontend Interviews
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
01/07/2025
Promises vs Async/Await: Key Web Interview Questions You Must Know
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
26/06/2025
Difference Between HTTP and HTTPS
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
25/06/2025
How JavaScript Event Loop Works: The Interviewer’s Favorite Questions
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
24/06/2025
React Hooks Interview Questions: Top 50 Prep Guide
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
23/06/2025
Top 50 JavaScript Coding Interview Questions to Test Real-World Problem-Solving Skills
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
21/06/2025
Binary Indexed Tree (Fenwick Tree) Explained
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
20/06/2025
Segment Tree in Data Structure (Explained with Examples)
Menu close menu icon Data Structures and Algorithms Introduction to Data Structures and Algorithms Time and Space Complexity
Arun Goel
18/06/2025
Trie Data Structure: Basics and Applications
close menu icon Introduction to High-Level System Design What is System Design? Difference Between HLD and LLD Key
Arun Goel
17/06/2025
Introduction to Graph Coloring
Menu close menu icon Introduction to High-Level System Design What is System Design? Difference Between HLD and LLD
Arun Goel
16/06/2025
How to Detect a Cycle in an Undirected Graph
Menu close menu icon Introduction to High-Level System Design What is System Design? Difference Between HLD and LLD
Arun Goel
16/06/2025
How to Detect a Cycle in a Directed Graph
Menu close menu icon Introduction to High-Level System Design What is System Design? Difference Between HLD and LLD
Arun Goel
12/06/2025
Introduction to Disjoint Set (Union-Find Algorithm)
Menu close menu icon Introduction to High-Level System Design What is System Design? Difference Between HLD and LLD
Arun Goel
11/06/2025
