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santinomarial/README.md

Santino Marial

Building distributed systems, real-time infrastructure, and developer tools.
CS + Stat @ Harvard '27.

Selected Work

Collaborative Code Editor
OT-based multiplayer editor with sub-150ms sync, Redis pub/sub fan-out, and resilient WebSocket session handling.
Node.js Redis MongoDB WebSocket React

Strassen Matrix Multiplication
C++17 implementation of hybrid Strassen multiplication with crossover tuning, benchmarking, and graph experiments.
C++17 Algorithms Benchmarking

PrepOS
Interview prep platform with spaced repetition, weak-area detection, and personalized practice recommendations.
FastAPI PostgreSQL React Python

Stack

JavaScript TypeScript Python C++ SQL
Node.js FastAPI React Redis MongoDB PostgreSQL
Docker WebSocket JWT

LinkedIn · GitHub

Pinned Loading

  1. collaborative collaborative Public

    Real-time collaborative code editor supporting 30+ concurrent users with sub-150ms sync latency. OT engine built from scratch — no ShareDB, no Yjs.

    JavaScript 1

  2. strassen-matrix-multiplication strassen-matrix-multiplication Public

    Hybrid Strassen + conventional matrix multiplication in C++17. Includes CLI, crossover tuning, triangle counting on random graphs, and automated tests.

    C++

  3. PrepOS PrepOS Public

    Adaptive technical interview prep tracker with spaced repetition engine, weak-pattern detection, and personalized recommendation algorithm. Built with FastAPI + PostgreSQL + React.

    Python

  4. random-mst-scaling random-mst-scaling Public

    Empirical validation of MST weight scaling across random graph models using Kruskal's algorithm.

    Python