CodeMerits
FAANG-Level Interview Prep
Master coding interviews with personalized feedback, proven patterns, and community-driven problem solving
Your complete platform for interview preparation, progress tracking, and landing your dream role at top tech companies
Sai Harsha Kondaveeti
London-based AI/ML Engineer & Interview Prep Specialist
With years of experience in AI/ML engineering and a passion for education, I've helped 300+ aspiring engineers crack FAANG interviews. CodeMerits is my curated collection of problem-solving patterns and strategies that have proven successful time and again.
Master Technical Interviews
CodeMerits brings you proven daily practice, pattern-driven solutions, and world-class documentation. Each repo is your personal FAANG interview prep guide.
Foundations
Arrays, Strings, Basic DSA
Intermediate
Trees, Graphs, Recursion
Advanced
DP, System Design, Optimization
Interview Prep
Mock Interviews, Contest Practice
12-Week Interview Mastery Roadmap
Foundation
Basic patterns & problem-solving
Build Skills
Complex data structures
Master Patterns
Advanced algorithms & DP
Interview Ready
Mock interviews & contests
Problem Patterns & Topics
Master these core patterns to solve any coding interview question
Arrays & Hashing
Master iteration, two-pointer techniques, and hash-based solutions for optimal time complexity.
Sample Problems:
Two Sum, Contains Duplicate
Strings & Pattern Matching
Learn string manipulation, sliding window, and pattern matching algorithms.
Sample Problems:
Valid Anagram, Longest Substring
Linked Lists
Navigate pointer manipulation, cycle detection, and list reversal techniques.
Sample Problems:
Reverse Linked List, Merge Lists
Binary Search
Master logarithmic search techniques and their applications in sorted arrays.
Sample Problems:
Search in Rotated Array
Trees & Binary Trees
Navigate tree traversals, BST operations, and hierarchical data structures.
Sample Problems:
Validate BST, Level Order Traversal
Dynamic Programming
Master memoization, tabulation, and optimal substructure for complex optimization.
Sample Problems:
Climbing Stairs, Longest Palindrome
Graphs & BFS/DFS
Explore graph representations, traversal algorithms, and shortest path solutions.
Sample Problems:
Number of Islands, Course Schedule
Curated Problem Sets
Structured collections designed for systematic mastery of coding interview topics
Blind 75 Mastery
The essential 75 problems that cover all major patterns and concepts
Grind 169
Extended problem set covering additional patterns and edge cases
Top 100 Liked
Most popular LeetCode problems solved by the community
Company Specific - FAANG
Problems frequently asked at Google, Meta, Amazon, Apple, and Netflix
System Design
Design problems covering scalability, architecture, and distributed systems
Dynamic Programming Deep Dive
Comprehensive DP problems from basics to advanced optimization
Not sure where to start? We recommend beginning with the Blind 75 for comprehensive pattern coverage in 4 weeks
View All Problem SetsSuccess Stories
Join 300+ engineers who landed their dream roles at top tech companies
"CodeMerits pattern approach helped me crack Google's interviews. The daily practice and mock interviews were invaluable. I went from struggling with medium problems to confidently solving hards."
"Went from struggling with medium problems to solving hards consistently. Got offers from Meta and Amazon! The systematic approach made all the difference."
"The systematic approach and comprehensive pattern library made all the difference. Highly recommend to anyone preparing for FAANG interviews!"
"CodeMerits pattern approach helped me crack Google's interviews. The daily practice and mock interviews were invaluable. I went from struggling with medium problems to confidently solving hards."
Join Our Community
Connect with fellow engineers, get personalized feedback, and stay updated with the latest problems
Discord Community
Join 1,500+ active members discussing problems, sharing solutions, and supporting each other through the interview journey
Weekly Newsletter
Get curated problems, pattern guides, and interview tips delivered to your inbox every week
Free Bonus on Signup
Get our "12-Week FAANG Prep Roadmap" PDF + Pattern Cheat Sheet instantly
Community Impact
Our community members have collectively solved over 50,000 problems and landed roles at 40+ top tech companies. Join us and accelerate your interview prep journey.
Have feedback or suggestions?
Help us improve CodeMerits by sharing your thoughts
Start Your Journey Today
Follow these simple steps to accelerate your interview preparation and land your dream role
Join the Community
Sign up for Discord and connect with 1,500+ engineers preparing for interviews
Choose Your Path
Select patterns based on your target companies and timeline (12-week recommended)
Practice Daily
Solve 2-3 problems daily, document your solutions, and track progress publicly
Get Feedback
Share solutions, participate in mock interviews, and learn from community reviews
Everything You Need to Succeed
Access our complete library of curated problems, pattern guides, and community support completely free
500+ Problems
20+ Patterns
Community Access
Mock Interviews
Problem Repository
500+ problems organized by pattern, difficulty, and company
Pattern Library
20+ proven patterns with detailed explanations and examples
Mock Interviews
Practice with realistic interview simulations and get feedback