Systems
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Explore systemsGo from DSA basics
to real engineering problems
Learn DSA intuitively, from fundamentals to advanced problems. Build practical skills in systems, machine learning and AI fluency.
What I cannot create, I do not understand.Richard Feynman
Keep learning beyond DSA.
Explore systems and machine learning, with a separate AI fluency track for checking and improving AI-assisted work.
Machine learning
Gradient descentLoss 0.060
Follow gradient descent across a loss surface.
Explore machine learningAI fluency
Build with the AI tools engineers use.
Explore AI fluencyPractice on LeetCode, Codeforces, CSES, AtCoder and USACO Guide
- LeetCode
- Codeforces
- CSES
- AtCoder
- USACO Guide
Arise users have gotten offers at Google, Microsoft, Nvidia, Databricks, Uber, Robinhood, Rubrik, Amazon, Flipkart, Meta
Level up as a stronger engineer
E assessment
2 problems · 60 minutes
LeetCode poolLoops, arithmetic and array scans.
Competitive poolSelected CSES and AtCoder foundations.
Video solutions.
See the reasoning behind an algorithm, with visual examples of each step. Then work through the problem yourself.
@level5esper on InstagramSystem design.
Explore System DesignVideo upload & playback
Choose your interview preparation.
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Free
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Included
- Interactive lessons and topic roadmaps
- 3 AI exercise hints a day
- Practice across five judges
- Spaced review, daily goals and sync
- All 13 timed assessments
- System design basics
OA Sprint
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Included
- Everything in Interview Prep for 90 days
- A plan paced to your assessment date
- Algorithm templates and review queue
Interview Prep
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Everything in Free, plus
- 40 AI exercise hints a day
- Adjustable study schedules for OAs and interviews
- Behavioral answers, STAR stories and salary negotiation guides
- Algorithm templates and graph sandbox
- Company reports and full practice sets
- Custom profile pictures and card art
Oni
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Everything in Interview Prep, plus
- Interactive system-design lessons
- 95 design and coding problems
- Timed design problems with self-review