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costomato/README.md

Hi there 👋 I'm Kaustubh

Tempe, AZ, USA • knola155@asu.eduLinkedInPortfolio

MS CS @ Arizona State University • SWE | IoT | AI/ML


About Me

  • Master’s student in Computer Science @ Arizona State University (2025–2027)
  • Interested in IoT, AI/ML, and Cyber Security
  • Strong background in Data Structures & Algorithms and hands-on SWE experience
  • Portfolio: kaustubhdubey.com
  • Published 5 apps on Google Play Store LINK

🛠️ Skills

Languages → C, C++, Java, Python, Go, JavaScript, PhP, Kotlin, Swift
Frameworks/Tools → Spring Boot, React, Express, Flask, Docker, Kubernetes, Git, REST, Android Studio, XCode
Cloud & Data → AWS, GCP, SQL, NoSQL, MongoDB, Pandas, NumPy
Testing / CI → pytest, JUnit, GitHub Actions, Jenkins
Core CS → Data Structures & Algorithms, Object-Oriented Design, Microservices, Agile
Other → WebSockets, MQTT, Stripe APIs, RESTful APIs, Microservices


💼 Experience

Truck It App LLC — Independent Contractor Fullstack SDE (03/2024–05/2025)

  • Built and shipped 4 native apps (Kotlin/Swift + PHP Laravel backend).
  • Implemented Stripe payments, improving reliability and UX.
  • Automated workflows & optimized systems → boosted revenue & engagement.
  • Built an AI call assistant that cut resolution time by 80%.

Gerontechnology Research Center, Taiwan — R&D Intern (09/2023–02/2024)

  • Applied ML techniques (MLP neural networks) for sleep analysis, contributing to healthcare innovation.
  • Migrated systems AWS → GCP, engineered APIs in Go (with MySQL DB).
  • Developed a full-stack sleep analysis app (Go, React, Flutter + ML).
  • Contributed to WhizPad smart mattress system, now in 4,000+ hospitals.
  • Co-authored a peer-reviewed publication on enhancing the WhizPad system.
  • Fixed Bluetooth and Wi-Fi module issues in WhizConnect (C), improving device pairing stability.
  • Resolved MQTT communication issues while integrating with Google Cloud Platform, ensuring secure and reliable IoT data exchange.

🚀 Selected Projects

  • SyncPlay → Open source Kotlin full-stack Android app that uses WebSockets to synchronize video media across multiple devices in a room. 9k+ downloads and 5k+ active users
  • Tuition Management System → Java-based Android app designed to help tuition teachers manage their batches and fees efficiently.
  • Smart IoT Motor Pump Controller → IoT-enabled retrofit of a legacy DOL motor starter using NodeMCU, current sensing (ACS712), safety snubber circuit, tank-full auto-shutdown, and Alexa + Adafruit IO control.
  • Intercepting NodeMCU Using MITM Attack → Demonstration of a Man-in-the-Middle (MITM) attack on a NodeMCU ESP8266 microcontroller using MITMproxy and ARP spoofing. Successfully intercepted data sent to ThingSpeak.
  • Purrrchat - Chat with Strangers → Developed encrypted real-time chat with end-to-end encryption using Elliptic Curve Cryptography and AES.
  • Telegram-based Transcriber Bot → A Telegram bot that performs speech recognition on audio inputs and transcribes them into text.
  • NEWS App - Reel Scroll Style → Kotlin-based Android app that fetches user-preferred news articles using Microsoft Azure's API.
  • SyncSrt → A CLI-based subtitle synchronisation and generation tool.
  • Bingo Multiplayer → Online multiplayer Bingo game built in Unity, with Go backend for handling WebSocket connections.
  • Arthritis Detection → Automated deep-learning pipeline leveraging convolutional neural networks to classify knee osteoarthritis severity (KL Grades) from X-ray images, enabling rapid, accurate triage and treatment support in clinical settings.
  • Easy Certificate Automation → Canva hack to generate designs in bulk without a premium account.
  • Brain Tumor Classification → Developed a deep-learning pipeline using PyTorch and fine-tuned ResNet-18 to classify brain MRI scans into four categories: glioma, meningioma, pituitary tumor, or no tumor, achieving robust and accurate multi-class detection.

📝 Publications

  • Kaustubh, Dr. Murthy D H R, “Enhancing Trust and Security in IoT Architecture for Low-Cost Microcontroller Devices using Elliptic Curve Cryptography”, International Journal of Scientific Research in Engineering and Management, Volume 08, Issue 03 March 2024.Link
  • Kaustubh, Chun Hung Yi, Y. L. Hsu, “Implementation and Enhancement of SEDA G. Tech's WhizPad Mattress System”, International Journal of Research Publication and Reviews, Vol 5, no 3, pp 2051-2057 March 2024.Link
  • Smart Motor Starter TutorialLink. This work was featured by Adafruit on their blog LINK.

📜 Certifications

  • Android Development
  • Ethical Hacking
  • Blockchain
  • AI/ML

🔗 Connect


📚 References

  • Professor Yeh-Liang Hsu
    • Distinguished Professor, Department of Mechanical Engineering, Yuan Ze University, Taiwan
    • Founder – Gerontechnology Research Center, SEDA G-Tech, Gerontechnology Journal
    • M.S. & Ph.D. in Mechanical Engineering, Stanford University

Easy Access to My Links

Link Directory - costomato.com
About - costomato.com/about
Connect - costomato.com/connect
Company - costomato.com/company
Memories - costomato.com/memories
Apps on Google Play - costomato.com/apps
Publications - costomato.com/publications

Languages and Technologies:

android arduino azure c cplusplus csharp django docker elixir express figma firebase flutter git go heroku java javascript kotlin linux mongodb mysql nodejs objectivec pandas php python react ruby rust scikit_learn seaborn sqlite swift tensorflow unity

Pinned Loading

  1. Bingo-omp-unity-go Bingo-omp-unity-go Public

    Bingo game in unity

    ShaderLab 1

  2. gesture-rock-paper-scissors gesture-rock-paper-scissors Public

    gesture based rps made with react

    JavaScript

  3. swar-sthaanaantaran-saadhan swar-sthaanaantaran-saadhan Public

    वैनिला जावास्क्रिप्ट में लिखा गया संगीत स्वर स्थानांतरण साधन

    JavaScript 1

  4. TicTacToe-omp-flutter TicTacToe-omp-flutter Public

    Tic Tac Toe multiplayer game made with flutter

    Dart 1

  5. ToDo-List-App-CLI ToDo-List-App-CLI Public

    To-do list CLI app in 16 languages

    C

  6. transcriber-bot-telegram transcriber-bot-telegram Public

    Telegram bot written in python

    Python