Enjoy exploring my GitHub! 😎
Visit my blog if you are interested 👉 https://bbani.tistory.com/

• A daily behavior and health tracker for cat owners. It analyzes log data, surfaces possible health concerns, and has a fun breed finder.
• Mobile: React Native, Expo, Nativewind, TypeScript
• Backend (fully rewritten): ASP.NET Core (.NET 10), EF Core, SQL Server, custom JWT auth
• AI: Gemini API integration plus a RAG pipeline built on embeddings
• Cloud & DevOps: Docker, Azure Container Apps, Bicep (IaC), GitHub Actions CI/CD with OIDC
• Next up: a UI redesign, an LLM + RAG symptom assistant that logs for you, and monthly health reports
• Repo: https://github.com/Feline-Purrfect/Feline-Purrfect

• A multimodal stress detection and intervention app, built as my MACS capstone at Dalhousie University under Dr. Rita Orji
• Combines live EEG data from an EMOTIV headset with HRV from a Garmin watch, and uses a DCNN-LSTM fusion model with SHAP explanations to give transparent, explainable predictions instead of an opaque score
• Includes an AI coaching chat powered by the Gemini API, with breathing, grounding, and reflection exercises
• Flutter (iOS / Android / macOS), FastAPI, TensorFlow, MongoDB, Firebase Auth, Figma
• Repo: https://github.com/JHyeon0915/CalmTrace)

• A doctor-centric health consultation web app built with a 4-person Agile team
• I worked across the stack, building REST APIs in Node.js and the React frontend, and cut page load time by 60% while closing 3 security gaps
• React.js, TypeScript, Node.js, AWS
• Repo: https://github.com/JHyeon0915/CareBridge

• A serverless scooter-rental platform built with my team for CSCI 5410 (Serverless Data Processing) at Dalhousie University
• I built the 3-factor authentication module (AWS Cognito, Lambda, DynamoDB) and the message passing module (AWS SQS)
• Repo: https://github.com/CSCI5410-SERVERLESS/Team-5-DALScooter