Overview KurukshetrAI

AI Lab AI Systems Engineering Systems

Experience Lab Founder Certificates Resume

DSA Lab Tech Stack

Community Open Source

Preparation Street ARX AskDSA Versus Voice PrinceSinghAI

Account Hire Prince

Live Engineering Systems

FounderPreparation Street crosses $8,200 in revenue with 2K+ daily learners

1/8

1710+1710+ day streakPrince has solved at least one problem every day on LeetCode5000+5000+ problems solvedAcross 10+ platforms: LeetCode, GFG, CodeStudio, InterviewBitHire

Major contributions

resumeData.majorContribution

Engineering Systems

The full set of major contributions: my own Preparation Street platform, AI features, infrastructure, cost optimisation, APIs and payments.

Open the first system

live Cost review

Why did the cloud bill drop?

9systems

69impact points

105technologies

All 9 systems

resumeData.majorContribution

Major contributionPreparationStreetAI-Era Tech Preparation PlatformGenerated $8,200 USD in revenue as a founder-built, bootstrapped product - designed, coded, priced and operated end to end by one engineer - across three products: TRISHUL, FTM and 1:1 Mentorship.$8,200 USD in revenue16 technologiesRead the case Major contributionCloud Cost OptimizationAutomation₹222K → ₹185K/monthCut monthly cloud spend from ₹222K to ₹185K - a 17% reduction saving ₹37K every month (₹4.4L+ annualized) - with the optimization loop actively driving toward ₹150K/month (~32% total, ₹8.6L+ annualized run-rate), achieved through measured right-sizing rather than blanket cuts.10+ VMs in both directions13 technologiesRead the case Major contributionRoadmapAIMulti LLM & RAG OrchestratorAchieved 3x surge in roadmap completion velocity through adaptive personalization, difficulty-proficiency alignment, and progress-aware content customization3x surge in roadmap completion velocity13 technologiesRead the case Major contributionCodeLLM Multi-Model CodeJudgeEngineering systemAchieved ~99% code evaluation accuracy through AI-powered logical validation without relying on traditional compilers~99% code evaluation accuracy15 technologiesRead the case Major contributionAskAIAI Peer Programming Assistant3x higher user engagement through personalized, context-aware interactions3x higher user engagement through personalized15 technologiesRead the case Major contributionGlobal AISearchIntent-Based Intelligent Discovery EngineSingle search bar replacing 5 separate discovery flows for Roadmaps, DPs, Mentors, Webinars, and Bootcamps100+ roadmaps12 technologiesRead the case Major contributionAI-Powered CodeEditorCode with AI Agent40% boost in engagement and retention40% boost in engagement and retention5 technologiesRead the case Major contributionAPIOptimizationScaling 150+ Microservices70% backend performance improvement70% backend performance improvement6 technologiesRead the case Major contributionPayrollAutomated Mentor Payout & Payment InfrastructureOffloaded 80% of manual finance effort every month - earnings computation, document creation, approval tracking, and transfer follow-ups that previously consumed days of spreadsheet work now run as an automated pipeline, cutting the payout cycle turnaround from days to hours.80% of manual finance effort14 technologiesRead the case

Next product lineExperience Lab

Engineering updates13 stories

PinnedFounderPreparation Street crosses $8,200 in revenue with 2K+ daily learners

TRISHUL, Full-Time Mentorship and 1:1 sessions on one AI-era prep platform: regional INR/USD pricing, exactly-once Razorpay fulfilment and verifiable certificates, built on a 40K+ mentored community.

InfraCloud bill cut from ₹222K to ₹185K a month
Performance150+ microservices, 70% faster backend
AutomationMentor payouts automated, 80% of manual finance work gone

DSA Highlights 1710+ days

5000+ problems solved across 10+ platforms

LeetCodeKnight · Top 5% worldwide1879+
CodeStudioSpecialist · Global Rank 1301854+
InterviewBitMaster · Global Rank 131854+
GeeksforGeeksInstitute · Global Rank 98Rank 1

Case studyCloud bill cut 17%₹222K to ₹185K a monthRead the case