Bellamy Lin

Software Engineer skilled in backend systems, AI integration, and cloud-native applications. Experienced in developing scalable platforms, intelligent agents, and data-driven tools using Java, Python, and AWS.

SmartHome AI Agent – iOS Application Independent Project | 2022 – 2023

• Developed an AI-powered iOS app for home automation, collecting ~15k monthly sensor readings (temperature, light, motion) and 2k+ device usage logs from a single household.
• Implemented offline ML workflows with KNN, decision trees, and reinforcement learning, retrained monthly to adapt to evolving user routines.
• Automated offline update cycles, scripting data export, retraining, and redeployment of updated models without manual intervention.
• Built ARKit/RealityKit interfaces to visualize devices in AR (e.g., lights, thermostat) and provide interactive controls and predictive feedback.
• Improved automation accuracy by ~18%, reducing unnecessary overrides and energy usage.

Medical Web Application  Independent Project | 2024

• Developed a web-based platform enabling patients to securely manage their medical records, appointments, and personal health information.
• Implemented backend functionality using Python and Flask/Django, including user authentication, role-based access control, and RESTful APIs for seamless data interaction.
• Integrated a PostgreSQL database to store patient records, appointment schedules, and treatment history efficiently.
• Enabled appointment booking, record viewing, and notification features to enhance patient engagement and streamline healthcare workflows.