Abhishek Rai A

A production-ready customer churn intelligence system completed as the capstone for Bluemind Solutions' Core AI & ML Internship.

• 0.849 CV ROC-AUC
• 82% churner recall
• ~$179k est. annual recovery

An anonymous-but-accountable grievance channel for a university, where a complaint only becomes official once enough peers back it.

• 1,159 verified student IDs
• 0 identities exposed to client
• SSR edge-rendered

Arthra is a private expense tracker for Indian users, built around financial years, rupees and sharing money with other people.

• 60 automated tests passing
• 3 Expense Space roles
• Apr to Mar financial-year reports

Ittige is Kannada for brick. It's the website for our 21AI51 business plan, made to explain the idea in a minute of scrolling.

• 7 scroll stages in the animation
• Rs 10 to 24 cost per brick, three cases
• ~550 t solid waste a day in Mysuru

A sorting visualiser built for people who already know the pseudocode and still can't feel why quicksort degrades.

• 5 algorithms, step-for-step
• ~60fps on 200-element arrays
• 1 embeddable /embed widget

The smallest thing I could build that makes O(log n) obvious in one look.

• 0 dependencies / frameworks
• log₂n steps shown live
• <50KB shipped to the browser

I built this site to prepare for the Git and GitHub lab viva.

• 49 flashcards
• 20 quiz questions
• 6 real Git errors to debug

Wonderland is a birthday website I made as a gift, built mainly for phones. It is personal, so the live link opens a guest version with the cake, the candle and the confetti. The photos, recordings and letter stay in the private versions.

• 164 photos placed by hand
• 24 videos
• 3 versions of the page

Three console programs written to make OOP stop being vocabulary and start being a tool.

• 3 programs, one shared core
• 100% input paths validated
• C++17 standard, no libraries