thitaai.hashnode.devMaster These 50 Key System Design Interview Questions for 2026Landing a software engineering role at top tech companies requires more than just coding skills you need to demonstrate your ability to architect scalable, reliable systems. System design interviews are the gatekeepers to senior positions at FAANG co...Dec 3, 2025·14 min read
thitaai.hashnode.devMaster LeetCode Faster with 90 Key Patterns Instead of 1000 ProblemsStruggling to know which problems to practice for coding interviews? You're not alone. With thousands of LeetCode problems available, it's overwhelming to figure out where to start and what truly matters. Here's the truth: You don't need to solve 100...Dec 2, 2025·13 min read
thitaai.hashnode.devMaster the Sliding Window Pattern: Your Complete Interview GuideThe Sliding Window pattern is one of the most elegant and efficient techniques for solving array and string problems. Once you understand this pattern, you'll be able to optimize brute-force O(n²) solutions down to O(n) with just a few clever adjustm...Dec 1, 2025·13 min read
thitaai.hashnode.devUltimate Dynamic Programming Interview Guide: Master 12 Key PatternsDynamic Programming (DP) is often considered one of the most challenging topics in coding interviews, yet it's also one of the most frequently tested. Whether you're preparing for FAANG interviews or looking to level up your problem-solving skills, m...Nov 29, 2025·13 min read
thitaai.hashnode.devMaster Graph Traversal Patterns: Your Complete DFS & BFS Interview GuideIn this comprehensive guide, we'll explore 11 powerful templates that will help you tackle any graph traversal problem with confidence. Why Graph Traversal Matters Before diving into patterns, let's understand why graph traversal is so important: Re...Nov 27, 2025·6 min read
