From your first DSA question to your final offer, Thita makes sure you understand every line: an AI voice and visual coach that talks you through it and draws it on a live canvas, anchored to your code; 99 DSA patterns, animated and diagrammed; and hands-on practice that proves it.
Most candidates don't fail for lack of effort. They fail because their prep never looked like the interview.
Random lists, no order. Every evening starts with “what should I study?”
Learning paths and 90-day roadmaps order the work for you.
You practise alone in silence, but the real round is spoken and someone pushes back.
An AI interviewer asks follow-ups while you code and explain.
You only find out you weren’t ready when the rejection email arrives.
Every round ends in a report and the next practice to do.
left past its last position.Grow the window from the right. The moment it breaks the rule, shrink it from the left until it's valid again.
left move?On every step Only when the window breaks the ruleOnly at the endBuild understanding, turn it into execution, and rehearse the real conversation. Every round of feedback points to the next useful practice.
Choose a role, build the right foundations, and always know the next useful lesson instead of wandering through disconnected content.
Keep a valid range while each value enters and leaves at most once.
InvariantThe window never holds a repeated character.
Choose the DSA Interview program or the AI, ML & LLM program, then work through one ordered day at a time with progress and a clear resume point.
Build strong DSA pattern recognition first, then use the same structured sheet format across design, AI/ML, data science, and product interviews.
CueA contiguous range must satisfy a changing condition.
Write and run a real solution, then ask the line-anchored coach for the smallest useful nudge without leaving your editor.
WhyYour own fix, after the coach located the line. Every version is kept.
Choose how Ti teaches, talk through a difficult concept live, and watch explanations, diagrams, code, and notes take shape on the canvas.
Refill100 req/s · bursts up to 250 pass immediately
Enter a live voice round with the same working tools you use on the job, execute code when the round supports it, and review specific evidence afterward.
15% off every plan with THITA15 · Lifetime access available · Starter is free, no card
18:42Recovered the edge case after execution exposed it.
See how engineers turn scattered preparation into clearer practice, stronger feedback loops, and more confident interviews.
“I spent thousands on interview coaching before finding thita.ai. The AI gives similarly detailed feedback, available instantly, at a fraction of the cost. The code review feature caught edge cases I always missed. This platform is seriously underpriced for what it offers.”
“With a full-time job and family, I could only study late nights. Unlike other platforms that require scheduling with peers, thita.ai's AI interviewer was always available. I practiced during my own hours and cleared my interviews after two months of consistent prep.”
“Unlike platforms where you just grind problems, thita.ai focuses on pattern recognition and problem-solving approaches. The AI explains the why behind solutions, not just the what. This helped me solve new problems I'd never seen before in my actual interviews.”
“Honestly better than $300/hour interview prep sites. I've tried probably eight different platforms. thita.ai has the cleanest interface and smoothest experience. The code editor, real-time feedback panel, and session summaries make practicing enjoyable instead of a chore.”
“After each coaching session, thita.ai generates detailed notes with visual diagrams explaining my solution and alternatives. I've built an entire reference library from these notes. Reviewing them before interviews gave me clarity and confidence.”
“As someone with five years of experience, most platforms felt too basic. thita.ai's AI quickly assessed my skill level and challenged me with appropriate problems, so I could go straight to what I actually needed to practice.”
“Before thita.ai, I was hopping between random YouTube videos and blog posts with no clear direction. This platform gave me structure and a roadmap. The organized content meant I wasn't wasting time on topics I already knew.”
“I struggled with system design for months after passing DSA rounds at multiple companies. thita.ai's structured approach and instant feedback helped the patterns finally click. The AI coaching is like having a personal mentor available 24/7.”
“I've done mock interviews on Pramp and interviewing.io, but thita.ai's AI interviewer feels the most natural. It asks follow-up questions, challenges assumptions, and behaves like a real interview. That realism made me much more prepared.”
Subscriptions refill AI practice monthly. Lifetime is one payment for every learning path and both 90-day roadmaps.
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Focused preparation across selected paths
All-track preparation with the highest practice allowance
Own every path and both day-by-day roadmaps
Starter: core learning with limited recurring practice.
Pro: DSA plus two selected deep-dive paths and monthly AI practice.
Elite: every live path and the highest recurring AI allowance.
Lifetime: every path, both 90-day roadmaps, and 32 shared AI credits granted once.
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01DSA PATTERNS · 8 MIN READ
02AI INTERVIEWS · 9 MIN READ
03RESUME NOTES · 10 MIN READ
Plans, learning paths, AI practice, and access.
Start with yours.
15% off with THITA15 · Starter needs no credit cardShare interview experiences, compare approaches, and get unstuck with engineers working toward the same next round.
01Find practice partnersCoordinate peer mocks across coding, design, data, AI, and product rounds.
02Review real approachesCompare trade-offs and learn how other candidates structure their answers.
03Stay accountableShare weekly goals, ask focused questions, and keep preparation moving.
Thita.ai is a technical-interview preparation platform for software engineering, system design, low-level design, data science, AI/ML and product management roles. It combines a 99-pattern DSA library across 16 families (410 executable problems), live-voice AI mock interviews with structured feedback, an AI coach, system design and low-level design courses, and an AI resume analyser. 30,000+ engineers have used it. A free tier is available; paid plans start at $14.99/month (₹1,179/month in India, GST included), and one-time lifetime access to all learning content is ₹5,880 (US$69) plus 18% GST.