Crack your dream tech job
with PlacementOS
Master DSA, SQL, System Design, and Aptitude with curated problems, company-specific tracks, and AI-powered tools.
Trusted by candidates preparing for
Comprehensive Prep
Everything you need to succeed
From DSA to System Design, we've got every aspect of your prep covered.
Preview the Resources
Explore our comprehensive collection of resources
Two Sum
Merge K Sorted Lists
Valid Parentheses
LRU Cache
Binary Tree Level Order
The Difference
Why choose PlacementOS?
Loved by thousands of users
See what our community has to say about PlacementOS
PlacementOS's DSA collection and interview copilot helped me crack my Google interview. The structured approach made all the difference!
The mass recruitment mode is a lifesaver! I prepared for TCS, Infosys, and more through a single platform. Highly recommend!
The handwritten notes and project ideas gave me the edge I needed. The AI resume editor polished my resume perfectly.
Comprehensive platform with everything you need. The company database with interview experiences is invaluable.
From DSA to system design, PlacementOS covers it all. The lifetime access model is perfect for long-term preparation.
The quiz section helped me identify my weak areas. Combined with the notes, my preparation became super efficient.
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