Aditya Sahni

My Projects

A showcase of my work across various technologies

MapleRewards

2025 – 2026

Fintech / SaaS

The first native Canadian credit card rewards optimizer — maximize cashback and points across 92+ cards and 19 loyalty programs.

  • Built full-stack platform with Go/Chi backend (35+ API endpoints) and Next.js frontend totaling 27,760 lines of code
  • Developed rewards optimization engine ranking cards by effective return per spending category with base and premium redemption values
  • Integrated AI chat assistant powered by Claude Sonnet for personalized rewards advice and trip planning
  • Designed portfolio analytics with fee ROI analysis, dollar-gap optimization, and wallet coverage scoring
GoPostgreSQLRedisNext.jsTypeScriptClaude APIStripe
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Polymarket Trading Agent

2025 – 2026

AI / Fintech

Autonomous prediction market trading agent with 13-agent AI orchestration and 139-member weather ensemble for probabilistic forecasting.

  • Built a 13-agent orchestration system (scanner, researchers, estimators, risk manager, trader) powered by Claude
  • Engineered a 139-member weather ensemble (GFS + ECMWF + ICON + GEM) for calibrated probabilistic forecasting
  • Implemented 11 pre-trade risk checks including drawdown heat, concentration limits, and correlation prevention
  • Developed Platt-calibrated multi-estimator system with quarter-Kelly position sizing across 92 open positions
PythonClaude APIPolymarket CLOBSQLitePostgreSQLOpen-Meteo
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Life-OS Dashboard

2026

Productivity / Full-Stack

Centralized personal operating system with gamification — tracks tasks, fitness, habits, and ideas with XP progression and streak mechanics.

  • Architected 8-module system (tasks, fitness, habits, ideas, calendar, AI assistant, Telegram bot, markets)
  • Built Kanban task board, Pinterest-style ideas grid, and workout logging with GitHub-style heatmap visualization
  • Implemented gamification layer with XP, badges, streaks, energy-level tracking, and productivity correlation
  • Integrated Supabase real-time subscriptions, Google OAuth, and Pomodoro focus timer
Next.jsTypeScriptSupabaseTailwind CSSFramer MotionClaude API
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Flux Trading Platform

2025

Financial Tech

A high-frequency paper trading platform allowing users to simulate buying and selling of cryptocurrencies, stocks, futures, forex, and commodities.

  • Architected a comprehensive paper trading platform using Next.js and TypeScript for a seamless user experience
  • Implemented real-time market data feeds using WebSockets to ensure instant price updates and low-latency trading
  • Developed complex backend logic for order matching, portfolio valuation, and margin management
  • Integrated interactive charts and advanced search functionality to handle thousands of assets efficiently
Next.jsTypeScriptTailwind CSSWebSocketsPostgreSQL
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Quantum Information Research

2023

STEM Research

Research assistant position working on STEM education and quantum information.

  • Selected for a research assistant position after multiple evaluation rounds
  • Worked with high-school students under Professor Vishwakarma on a real-life research project
  • Learned research methodology and promoted the application of STEM in problem-solving
Quantum ComputingSTEMResearch Methodology

Abstract Shape Collision Detector

2024

Software Project

Java application for managing geometric shape interactions with UML design patterns.

  • Developed a Java application to manage geometric shape interactions using a preset UML class diagram
  • Engineered and optimized intersection algorithms to detect edge-based shape overlaps
  • Implemented Composite, Iterator, and Singleton patterns for efficient and scalable management
  • Conducted extensive testing to ensure adherence to software specifications
JavaUMLOOP Design Patterns

Axesouar.in

2024

Web Development

Built a fully responsive e-commerce website using React.js to showcase 120+ unique jewelry SKUs.

  • Designed and developed a full-stack e-commerce platform
  • Built interactive dashboards and product showcases
  • Enhanced user experience through a responsive UI
  • Achieved a significant improvement in user engagement
React.jsCssJavaScript
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Portfolio Website

2025

Web Development

A modern portfolio website built with Next.js, Framer Motion, and Tailwind CSS.

  • Designed a high-performance personal portfolio with immersive animations
  • Implemented responsive design for seamless mobile and desktop experience
  • Utilized modern web technologies for optimal performance
Next.jsFramer MotionTailwind CSS
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Emotion Detector Using Deep Learning

2025

AI Project

Deep learning model for real-time emotion detection from facial expressions.

  • Developed a deep learning model to detect emotions from facial expressions using CNNs
  • Trained on the FER-2013 dataset to classify facial emotions accurately
  • Implemented real-time detection with OpenCV and integrated webcam-based predictions
  • Built a Flask web app for deployment and optimized model performance through data augmentation
TensorFlowKerasOpenCVFlask