Maahir Garg

Projects by Maahir Garg. Things I've built.

Some shipped, some stayed in a notebook. Click through for the notes, and the numbers if you want them.

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  1. Jul 2026 – Sep 2026

    PGPals

    I built and ran the platform for my residence's Emerald Challenge alone, start to closing ceremony. Ninety-six teams played, and the review queue was empty when it closed.

    Next.js, TypeScript, Supabase, PostgreSQL

  2. May 2026 – Present

    Trader's Edge

    A team final-year project, advised by Anand Bhojan, that turns a plain-English trading idea into a backtest for students who haven't yet learned a strategy can cheat by knowing the future.

    AI, LLMs, Backtesting, Quantitative Finance

  3. Feb 2026 – Jul 2026

    Prediction-Market Arbitrage and Research Engine

    A research engine watching Polymarket and Kalshi for the same question priced differently on each. It never places a trade, since prediction markets are restricted where I live.

    Python, FastAPI, Pydantic, pytest

  4. Nov 2025

    Optimising BERT for Question Answering

    I wanted to know how small a BERT question-answering model could get before it noticeably got worse, and where exactly that line was.

    BERT, PyTorch, Quantisation, Pruning

  5. Oct 2025

    Domain-Specific LLM Reasoning with PEFT

    How little of a model can you touch and still move it? I trained only the bias terms, a rounding error's worth of parameters, and reasoning accuracy jumped anyway.

    LLM, PEFT, BitFit, PyTorch

  6. May 2025 – Dec 2025

    Multimodal Hand Tracking for Stroke Rehabilitation

    iPhone and Apple Vision Pro working as one tracking surface to assess hand and eye movement after a stroke, built in collaboration with Apple at Interactive 3D Lab.

    Swift, RealityKit, visionOS, ARKit

  7. Ongoing

    LeetCoding

    Mostly an excuse to put a live feed of my LeetCode stats somewhere instead of just saying yeah, I practice.

    Algorithms, Data Structures, Problem Solving, Python

  8. Sep 2024

    StackExchange Research Pipeline

    Built for a study on what makes a Stack Overflow answer good, since upvotes and being marked accepted turn out not to be the same signal.

    Python, pandas, XML, py7zr

  9. Nov 2023 – Feb 2024

    Google Scholar Research Automation

    An economics paper had a deadline that wasn't moving and a mountain of citation data to collect by hand. I wrote the script instead. The paper made its deadline.

    Python, BeautifulSoup, pandas, Automation

  10. Sep 2023 – Jan 2024

    CAAQMS Air-Quality Scraper

    An air-quality study needed years of pollutant readings from a system that assumed a human would copy them out by hand. I wrote the scraper so nobody had to.

    Python, pandas, HTTP APIs, Data Engineering

  11. Feb–Mar 2024

    Llama-2 Fine-Tuning

    An early exercise in learning parameter-efficient fine-tuning by doing it: LoRA on the Platypus dataset. The notebook is public.

    Python, Llama-2, LoRA, PEFT

  12. Apr 2026 – Present

    Portfolio Website

    This site: paper, ink, one red pen that marks things up as you scroll, and photos you can pick up and toss like real prints.

    Next.js, React, TypeScript, Tailwind CSS