Legus Yeung

Legus.Yeung@gmail.com

Summary

A passionate software developer working in ultra-fast-paced environment, building products from 0-1, versatile in TypeScript Frontend, Python Backend, Cloud deployment, multi-agent setup and orchestration, SEO-friendly Web-Apps. Always looking forward to building and learning new things.

Experience

Software Engineer // SoundPatrol

2024 - 2025 // Santa Monica, CA

Built enterprise music software for Universal Music Group and Sony Music, main functionalities include daily scraping, scanning and flagging of newly released songs for potential infringements.

Web-Based Music Software (Universal/Sony Music)

• Developed web interface for music monitoring dashboard using Next.js and Tailwind CSS, handling 100,000+ song data
• Created comprehensive data visualization dashboard with bars, half-circle gauges, structured text, and Gemini AI insight summaries for music analysis results
• Implemented tRPC serverless routes for secure API communication, filtered data on a database level using optimized query
• Built user authentication system using NextAuth with email whitelist validation against PostgreSQL database

Machine Learning & AI Detection

• Collaborated in training CNN-based binary classifier model using powerful GCP instances with comprehensive tracking via Weights & Biases (wandb), using PyTorch Lightning for efficient training and evaluation
• Developed reverse-API scripts for scraping music platforms (Udio, Suno, Riffusion) by analyzing frontend network calls, extracting session cookies, and mimicking authenticated requests with proper headers and search parameters
• Identified weaknesses in the model and improved accuracy by hyperparameter tuning, addressing distribution shift and coverage gaps

Backend & Cloud Infrastructure

• Built automated scraping system for music platforms with rate limiting and error handling
• Deployed containerized applications on Google Cloud Platform using Kubernetes
• Implemented CRON jobs for scheduled music scanning and analysis tasks
• Designed and executed database migrations via Prisma to add new fields and tables for enhanced analysis capabilities

Tech Stack: Google Cloud Platform (K8s, CRON, Postgres), Gemini, Next.js, Python, Docker, PyTorch lightning, Prisma, tRPC

*Engineer shared among XY Corp and SoundPatrol*

Software Engineer // XY Corp Ltd

2024 - 2025 // Santa Monica, CA

Built healthcare software for insurance claim automation, TED AI & XY Corp Web-Apps, TEDAI Event Mobile-App

Healthcare Insurance Claim Automation

• Developed automated claim processing system using Python and machine learning algorithms
• Implemented gRPC services for high-performance inter-service communication
• Created automated workflow engine for claim routing and approval processes, utilizing RabbitMQ for message queuing and distributed task processing

TED AI & XY Corp Web Applications

• Built responsive web interfaces using Next.js, React, and Tailwind CSS, and updating weekly to meet client requirements on on-call basis
• Converted Figma designs to React components, integrated APIs such as Luma, OpenAI, Mailchimp, etc.
• Created animations and transitions using Framer Motion and Tailwind CSS

AI Integration & OpenAI Features

• Integrated OpenAI API with function calling capabilities for RAG-based AI responses about speakers using Pinecone, page navigation, etc.
• Integrated Whisper API for speech-to-text conversion and streaming responses for real-time AI-generated content
• Prompt engineered LLM's system prompts for structured output and context-aware responses

TEDAI Event Mobile Application

• Developed cross-platform mobile app using Flutter for 1000+ attendee with real-time chat functionality
• Implemented real-time event updates and notifications using Firebase remote config
• Authenticated, whitelisted and troubleshooting attendees using Firebase Auth and Firestore
• Offered technical support for attendees and event staff throughout the event days

SEO & Performance Optimization

• Implemented SEO best practices to rank at the top of Google search results using Ahrefs data analysis for keyword optimization
• Added strategic glossary terms and blog post content for google search ranking
• Constructed schema.org structured data markup and meta tag optimization
• Integrated Google Analytics and Google Search Console for tracking website performance and SEO metrics

Tech Stack: Next.js, Python, Flutter, OpenAI, Google Cloud Platform (K8s, CRON, Postgres), gRPC, TensorFlow, WebSockets

Education

BSc Computer Science

University of the Fraser Valley, British Columbia, Canada

May 2024

Skills

Technical Skills

Python, C++, SQL, JavaScript/TypeScript (React, Next.js), Tailwind CSS, Git, Google Cloud Platform, Amazon Web Service, Docker, Microsoft Excel, PowerPoint, Publisher

Languages

Fluent in English, Cantonese, Mandarin