• Building practical DSA resources and problem-solving repositories that are easy to follow and reuse.
• Strengthening backend and full-stack development with Java, Spring Boot, and modern web tools.
• Exploring cybersecurity labs, automation scripts, and secure coding practices.

I am a passionate software engineer with a deep fascination for solving complex algorithmic problems and securing modern digital ecosystems. My journey spans backend architecture, full-stack web systems, machine learning, and ethical hacking.

• 🎓 Focus Areas: Deepening my expertise in high-performance backend architectures and advanced penetration testing.
• 🧠 Problem Solving: Active compiler of patterns and strategies in Data Structures & Algorithms (DSA).
• 🔐 Ethical Hacking: Exploring security vulnerability landscapes, scripting automations in Bash/Python, and practicing on CTF platforms.
• 💡 Philosophy: "Simplicity is the soul of efficiency."

DSA Doctor (live at dsadoctor.com) is a comprehensive coding interview preparation platform engineered to help software developers, engineering students, and tech aspirants conquer Data Structures & Algorithms (DSA) through curated, company-wise interview questions.

Whether you search for DSA Doctor, dsa doctor, or dsadoctor, this platform serves as an all-in-one diagnostic and practice guide to ace technical interviews, coding assessments, and software engineering placements at top tech companies.

• 🏢 Company-Wise Question Banks: Practice real-world coding problems asked by top-tier tech companies including Google, Microsoft, Amazon, Meta, Apple, Netflix, Uber, Atlassian, Adobe, and many more.
• 🎯 Pattern-Based DSA Roadmaps: Structured learning tracks covering core algorithmic patterns — Arrays, Two Pointers, Sliding Window, Dynamic Programming, Graphs, Trees, and Recursion.
• ⚡ Interactive Real-Time Filters: Effortlessly filter questions by company, difficulty level (Easy, Medium, Hard), core data structure topics, and appearance frequency.
• 🔗 Direct LeetCode Integration: Immediate access to verified LeetCode problem links with optimal time and space complexity guidelines.
• 🌙 Modern Glassmorphic Dark UI: High-performance, distraction-free interface with instant search and dark/light mode for daily coding sessions.

🌐 Live Website: https://dsadoctor.com
📂 GitHub Repository: Kali-Prem/leetcode-company-wise-interview-questions
🏷️ Search Tags: DSA Doctor • dsa doctor • dsadoctor.com • dsadoctor • company-wise DSA interview questions • LeetCode company-wise problems • coding interview preparation • DSA roadmap • Prem Kumar DSA Doctor

• 500-DSA-Pattern-Problems: A curated and highly organized compilation of 500+ DSA pattern problems, designed to master problem-solving paradigms for top-tier coding interviews.
• Java-DSA-Learning: Core Java implementations of fundamental data structures, custom algorithm optimizations, and step-by-step guides.
• leetcode-company-wise-interview-questions (Official Repository for DSA Doctor): Targeted study lists and company-wise curated question sheets powering the live platform at dsadoctor.com.

• Hacking-Learning: Comprehensive reference sheets, ethical hacking labs, vulnerability assessment guides, and custom network security scripts.

• TeamUp-Ai: An intelligent, AI-powered project matching and team-building platform designed for developers and hackathons.
• FSWD-Learning: Hands-on learning paths covering responsive frontend design systems and robust RESTful microservice architectures.