Hi 👋 I'm Brian

An explorer 🥷 , machine learning engineer 🤖 , and code artist ⌨️

Quick Facts

Professional Journey

Jan 2022 - Dec 2023

Infra Team Lead, Architect

Hangzhou Mistong Digital Technology Co. Ltd.

  • Led a 15-member infrastructure team to build an R&D Infrastructure Platform supporting DevOps, SSO, and advanced traffic management.
  • Architected and developed a transformer-based personalized search system using PyTorch, boosting CTR by 25%.
  • Led performance optimization that processed thousands of images per second with response times under 50 ms.
  • Directed the front-end architecture strategy, introducing micro-frontends and a shared component library.
  • Published a technical case study in collaboration with Alibaba Cloud, highlighting serverless implementation best practices and system scalability. View

Jul 2022 - Sep 2023

EWT360 Search Platform

  • Designed and developed a personalized search system for a Coursera-like platform with 10M+ users and 100K+ courses, boosting clickthrough rate by 25% and increasing course engagement depth by 10%.
  • Implemented a semantic search pipeline using a BERT-based two-tower model, reducing search abandonment by 30%.
  • Developed a hybrid retrieval strategy by integrating Elasticsearch with Redis-based vector search to enhance relevance and performance.
  • Engineered a scalable embedding generation pipeline for user profiles and course content, efficiently processing over 1 PB of interaction data.

Jan 2022 - Dec 2023

Mistong R&D Infrastructure Platform

  • Architected a Microsoft Azure-like infrastructure platform serving 300+ applications with 50K+ QPS peak traffic using Kubernetes, APISIX, and Alibaba Cloud.
  • Developed a high-performance rendering service with dynamic routing and pre-rendering features.
  • Migrated 100+ frontend apps, 200+ Java services, and 1 PB+ of data to Alibaba Cloud with zero downtime.
  • Built a traffic governance system supporting grayscale releases across 100+ applications using APISIX and Zuul.

Dec 2018 - Jan 2022

Front-end Team Lead

Xiaobao Online (Hangzhou) Technology Co., Ltd.

  • Led a 35-member front-end team, overseeing recruitment, performance management, and professional development.
  • Designed and implemented a micro-frontend architecture with Node.js BFF layer supporting 50+ applications.
  • Built developer platforms including DevOps, configuration management, and SSO increasing team efficiency by 40%.
  • Established standardized Git workflow and coding standards, reducing deployment issues by 60%.
  • Developed a mobile application service platform using React Native and TypeScript, enhancing mobile service delivery.

Sep 2020 - Jan 2022

SchoolPal 11 Training Institution Management System

  • Responsible for the overall architecture design of the Schoolpal app and the design and development of supporting tools for mobile web applications.
  • Implemented features such as message push notifications, business data collection, and application monitoring for the Schoolpal app by writing code in Objective-C, Swift, and Java to achieve native functionality.
  • Technical Stack: React Native, Vue.js, TypeScript, Less.js, webpack, Vite

Dec 2018 - Aug 2021

Schoolpal Cloud Pay

  • Led the front-end reconstruction of the Schoolpal cashier interface, reducing the time to first interactive screen from 2.4 seconds to 0.6 seconds, decreasing average user wait time by over 70%, and optimizing user operation processes to significantly enhance the user experience.
  • Spearheaded the optimization of the first screen rendering time for the B2B mobile cashier interface, reducing the average rendering time from 2 seconds to 1.2 seconds.
  • Technical Stack: Vue.js, TypeScript, Less.js, webpack

Mar 2017 – Dec 2018

Senior Front-end Engineer

Zhejiang Xkeshi Network Technology Co., Ltd.

  • Reconstructed mobile app pages from Vue.js to React with TypeScript, improving maintainability by 35%.
  • Developed an advertising platform interface handling 200K+ daily transactions and ensuring seamless performance.

Jul 2016 – Mar 2017

Front-end Developer

Hangzhou Zhuliyan Network Co., Ltd.

  • Developed an order management system using Vue.js processing 50K+ daily orders and supporting scalable operations.
  • Built a responsive POS retail system with jQuery and Bootstrap supporting 1K+ merchants across various devices.

Technical Skills

Programming

Python (PyTorch), TypeScript (React.js, Node.js), JavaScript, Java

Machine Learning

Search/Recommendation Systems, Natural Language Processing (Transformer, BERT), Anomaly Detection (Isolation Forest), Prompt Engineering, Agentic Workflow

Infrastructure

Kubernetes, Docker, Serverless, Kafka, Microservices, CI/CD, DevOps Platforms, Nginx

Cloud Platforms

Alibaba Cloud (extensive migration & operational experience), AWS, Azure

Education

Jan 2024 - Dec 2024

MEng, Electrical and Computer Engineering

University of Victoria

  • Served as Teaching Assistant for ECE499 (Design Project II), mentoring 10+ capstone teams on technical direction, progress tracking, and final deliverables.
  • Conducted research under Dr. Issa Traoré, contributing to an embedded machine learning–based drone anomaly detection system. View Project Paper
  • Processed 11.5M network samples and 1.25M MAVLink messages for model training, leveraging Python for data engineering workflows.
  • Supported the deployment of an on-device detection pipeline on Raspberry Pi 4B, achieving 99% accuracy on network threats and 95% on sensor faults with real-time performance constraints.

Jul 2024 – Jan 2025

Enhancing Security and Safety in Quadcopter Drones through Unsupervised Machine Learning

  • Implemented a real-time anomaly detection system using Isolation Forest algorithm on Raspberry Pi 4B, achieving 99% accuracy for network attacks and 95% for sensor anomalies.
  • Collected and analyzed 11.5M network traffic samples and 1.25M MAVLink messages using Python for training data.
  • Developed detection mechanisms for network attacks, GPS spoofing, and rangefinder anomalies through MAVLink protocol integration.
  • Optimized detection pipeline with a sliding window approach, processing network and sensor data streams in real-time
  • Integrated system with Pixhawk 6C flight controller and ESP8266 Wi-Fi module for comprehensive drone security monitoring

Sep 2012 – Aug 2016

BEng, Information and Communication Engineering

Honam University, South Korea
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