Real LeetCode problems. Live video + code editor. A senior engineer who watches you think and fixes your gaps in real-time. Not another course. Not a Discord. A session.
531 sessions completed · 89% pass rate improvement
Browse real LeetCode problems by category — arrays, trees, graphs, DP. Tell us your weak spots or let us recommend.
We match you with a senior engineer from FAANG whose specialty aligns with your chosen problem type. Pick a time that works.
60 minutes. Shared editor. Live video. Your mentor watches you think, guides you through sticking points, and explains the 'why' not just the answer.
Studies show pair programming transfers knowledge 2.5x faster than solo practice. When a senior narrates their thought process, your brain absorbs pattern recognition you'd take months to build alone.
— Williams & Kessler, 2002Most candidates fail not from lack of knowledge, but wrong approach — not verbalizing, over-engineering, missing edge cases. Live feedback fixes these habits in hours, not months.
— Tandom internal data, n=531On your own, a blocking insight can cost days. With a FAANG engineer watching live, the average time from 'I'm stuck' to 'I see it now' is under 8 minutes.
— Session analytics, 2024Dynamic Programming · Trees · System Design
Graph Algorithms · BFS/DFS · Recursion
Arrays · Sliding Window · Two Pointers
Backtracking · Heaps · Binary Search
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I'd been grinding LeetCode alone for 4 months with zero progress. One session with Priya and I understood DP in a way no YouTube video ever explained. Got the Stripe offer 3 weeks later.
The real-time feedback is what makes Tandom different. My mentor caught a subtle off-by-one error that would've tanked my Google interview. I passed the loop on my first attempt.
Worth every dollar. Marcus didn't just solve the problem — he taught me how to think through it. That mental framework is what I use in every interview now.
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