Zhejiang Yishu Times Tech · Technical Director

2025.12 - Present · Team 11 (HW/Android/Backend/PM/Video) · Emergency AI Training

Led the medical-emergency AI training product system, connecting Android tablets with CPR manikins / AED via multi-protocol, iterating products from basic to multi-modal AI, and delivering two AI algorithm lines: video scoring and time-series forecasting.

• HW/SW integration: Android tablets talk to multi-brand CPR manikins & AED simulators over Bluetooth / UART (RS485/RS232/TTL) / Socket, collecting compression depth/rate/recoil and ventilation in real time.
• CPR training/exam system iterated to an AI version: added speech recognition, action recognition and AI digital-human dialogue, covering the full 9-step rescue flow with training/exam/level-up/competition modes (14 levels).
• AI Rescuer: LLM SSE streaming dialogue + OpenGL digital human + iFlytek/Tencent Cloud wake-up & ASR for multi-modal first-aid Q&A; Heimlich system collects back-blow/thrust data via a Bluetooth manikin.
• 120 pre-hospital multi-modal scoring: YOLOv8 + ByteTrack multi-person tracking & pose/action recognition, FunASR ASR + VAD + speaker diarization, unified video/audio/sensor timeline + rule-engine scoring.
• Beijing Blood Bank supply forecasting: LSTM+XGBoost ensemble / Conv1D-LSTM / standalone XGBoost, calendar + weather feature engineering and multi-window rolling backtest; patent draft filed.

Hangzhou Weilan Sports Tech · Technical Director

2023.11 - 2025.09 · Team 10-20 · Sports/Research Check/Cross-border

Led Sports SaaS, Plagiarism Check, and Cross-border lines. Managed full lifecycle from prototype & budget to engineering governance & O&M.

• Managed roadmaps for Moment Sports, Xiehe Check, Mydesign (toC/toG), overseeing requirements, budget, and delivery.
• Built Microservices (Spring Boot/Nacos/Redis/MQ/ES) with gateway governance and observability.
• Architected Hybrid Cloud (AliCloud+IDC) with OpenResty canary, CI/CD, and full monitoring stack.
• Led DevOps & Standards, handling core backend/frontend dev for stable 0-1-100 growth.
• Partnered with toB/toG clients on solutions, prototypes, and training, fostering cross-dept collaboration.

Shanghai Lianyin Network Group · Full Stack Architect

2022.11 - 2023.11 · Team 14-24 · R&D/Ops/Big Data

Independently led the architecture upgrade of Pangxie Account Trading Network 1.0, balancing business refactoring, security defense, and multi-team collaboration, supporting full-link expansion of Trading, IM, and Search.

• Independently refactored Pangxie Account Trading Network, splitting monolith into Spring Boot + OpenResty + Vue multi-module architecture, supporting 8x business growth.
• Built search and async links based on Canal Binlog + Elasticsearch + RabbitMQ, reducing RT by 80% after cold/hot data governance.
• Planned CI/CD, Git flow, security strategies, resisting 600GB DDoS + 15G CC attacks, safeguarding account assets and keys.
• Sorted out component libraries, IM architecture, task scheduling standards, establishing cross-team metrics and shared platforms.
• Coordinated R&D resource scheduling for 3 lines (100+ people), defining milestones/metrics, driving parallel iteration of business lines.

Hangzhou Taoyou Tech · Technical Director

2020.06 - 2022.06 · Team 30-48 · Golang/Java Multi-stack

Affiliated · same beneficial owner as Tianzuan & Tuomei (separate entities)

Responsible for architecture and delivery of 50W DAU toC platform and multiple e-commerce projects, driving systemic migration from PHP to Java/Golang and automated O&M system.

• Led 30-48 person multi-stack team, migrating Juxiangyou core modules from PHP to Java/Golang, decoupling user/finance/script services.
• Designed Gin + gRPC + Nacos + Kafka microservices system, OpenResty + Redis + Golang building flash sale/rate limiting, withstanding max 400G DDoS.
• Built docker-compose unified env, GitLab Runner automated release, WAF/Bastion/SQL Audit, perfecting security and O&M closed loop.
• Delivered Juxiangyou, Quandoumai businesses, establishing code standards, monitoring alarms, performance stress testing, and emergency plans.
• Promoted canary release, quality metrics, Bug SLA, and training system, ensuring controllable parallel multi-project delivery.

Hangzhou Tianzuan Network · Tech Lead

2018.11 - 2020.06 · Team 5-8 · Tiaotiaozhu Series

Affiliated · same beneficial owner as Taoyou & Tuomei (separate entities)

Led small team to complete Tiaotiaozhu PC/H5 0-1 and subsequent iterations, focusing on hybrid architecture, low-cost expansion, and high-frequency activity delivery.

• Self-developed Tiaotiaozhu PC/H5 hybrid architecture: ThinkPHP + OpenResty + Golang + Redis, balancing rapid iteration and high performance.
• Implemented docker-compose automated O&M, supporting low-cost expansion and multi-env consistency.
• Responsible for troubleshooting, 3rd-party SDK integration, performance tuning, and team plan/performance/code review management.
• Ensured efficient stable delivery for small team via Redis activity gameplay, log monitoring, and automated release.
• Led GitLab Runner, log visualization, automated alarm construction, improving delivery transparency.

Horgos Tuomei Entertainment · PHP R&D Engineer

2015.08 - 2018.11 · Earning/Gem Planet/Chess

Affiliated · same beneficial owner as Taoyou & Tianzuan (separate entities)

Responsible for backend dev and maintenance of Chess, Mining, Web Games business lines, independently completing activity gameplay to high-concurrency revenue calculation.

• Responsible for PHP backend of Earning/Gem Planet/Chess, independently completing Chess module 0-1 design and multiple rounds of activity operations.
• Built 70W DAU mining task queue with Redis + RabbitMQ, covering cold/hot user revenue calculation and risk control strategies.
• Maintained Cocos game backend and backend component management, shortening activity launch cycle and improving stability.
• Accumulated script system, log tracing, and async decoupling experience, providing reusable components for subsequent projects.
• Built task scheduling, revenue monitoring, and anomaly warning tools, supporting million-level revenue billing.

120 Pre-hospital First Aid · Multi-modal AI Scoring

Technical Director · Python · FastAPI · YOLOv8 · ByteTrack · FunASR · React · Docker(GPU)

Upload a three-person first-aid exam video (with audio) to auto-parse actions and commands, producing a 100-point score with improvement suggestions; supports CPU / GPU container deployment.

• Vision: YOLOv8 person detection + ByteTrack multi-person tracking + pose/action recognition, judging whether the three-person coordinated rescue is standard.
• Audio: FunASR Chinese ASR + Voice Activity Detection (VAD) + speaker diarization, matching command/call-for-help keywords.
• Multi-modal fusion: video + audio + sensor events aligned on one timeline, rule-engine 6-stage 100-point scoring.
• Report: HTML/PDF with per-item scores, radar chart, deduction reasons, timeline replay and improvement tips.

Beijing Blood Bank Supply Forecasting · Time-series

Technical Director · Keras(LSTM) · XGBoost · Conv1D-LSTM · Spring Boot · Vue3 · MySQL

A blood supply/collection time-series forecasting system (algorithm + full stack), predicting volumes by blood bank / blood type to support collection planning and inventory scheduling.

• Three parallel models compared: LSTM+XGBoost ensemble (primary), Conv1D-LSTM hybrid, standalone XGBoost.
• Feature engineering: calendar + weather features (2015-2026, holidays/workdays/weekends), residual modeling and sample weighting.
• Evaluation: multi-window rolling backtest, per-blood-category models; data sources support Excel and MySQL.
• Originality: a related patent draft has been filed.

Moment Sports · WeChat MiniApp / H5 / APP

Technical Director · Spring Boot · Nacos · Redis · RabbitMQ · DevOps

Built Event SaaS from 0-1, covering registration, settlement, merchant devices, clubs, ensuring consistent experience across terminals and high-concurrency transactions.

• For event organizers and clubs, broke down user/account/event/device domains, building Spring Boot 2.7 + MyBatis-Plus + Redis + MQ architecture.
• Built Nacos config center, merchant printer/event registration/settlement core modules, achieving multi-tenancy and permission isolation.
• OpenResty canary, CI/CD, Zabbix/Grafana/ES logs ensured delivery; MySQL sharding + Redis + MQ compensation supported high-concurrency transactions.
• Formed 15-person cross-functional team, defining R&D process, code standards, test/security standards, implementing agile rolling iteration.
• Designed member, event points, settlement closed loop, linking merchant printers and POS, achieving offline/online sync.

PUMC Info Institute · Paper/Image Plagiarism Check

Technical Director · Spring Boot · Python · Milvus · CLIP/DINOv2

Multi-modal plagiarism check system for research/gov scenarios, meeting intranet compliance, massive vector retrieval, and low-cost compute strategies.

• For toG research scenarios, delivered prototype, schedule, budget, covering similarity analysis of papers, images, and medical data.
• Deployed MySQL, Redis, RabbitMQ, Milvus, CLIP/DINOv2/ResNet50 algo clusters in intranet, completing security isolation and O&M strategies.
• Implemented global PDF parsing, 5 million small image vector indexing, recall/ranking/reranking strategies, reducing compute costs via control platform.
• Organized solution reviews, delivery demos, training, and acceptance, accumulating deployment docs, monitoring metrics, and emergency plans.
• Established data classification, permission audit, offline/real-time sync strategies, meeting security requirements of universities/research institutes.

Mydesign Cross-border E-commerce Independent Site

Technical Director · Spring Boot · AWS · Elasticsearch · Automated Ops

Responsible for cross-border independent site from prototype to overseas growth, unifying multi-site, exchange rates/taxes, recommendation algos, and automated O&M.

• Co-created product prototype and roadmap with stakeholders, using agile rolling iteration to cover product, transaction, marketing full links.
• Built Spring Boot + AWS ECS + Redis + RabbitMQ architecture, constructing cross-border data sync, task orchestration, and link acceleration.
• Handled exchange rates/taxes/time zones/languages differences, creating multi-site config, offline/real-time sync, and cost monitoring.
• Implemented personalized search & recommendation, first-screen optimization, and monitoring alarms, supporting overseas growth and operational decisions.
• Built AWS IaC, distributed caching, and link observability panels, ensuring stable cross-border access and controllable costs.

Pangxie Game Account Trading Network

Full Stack Architect · OpenResty · Spring Boot · ES · RabbitMQ

Re-engineered infrastructure for account trading platform, covering gateway, search, IM, async links, and security strategies, supporting 8x business growth.

• Independently completed 1.0 architecture refactoring, OpenResty Gateway + Spring Boot Services + Vue Component Library, forming multi-env HA system.
• Built search/async links and cold/hot data governance via Canal + ES + RabbitMQ, supporting 8x business growth.
• Refactored Customer Service IM Client/Server and Message Service, improving session capacity, risk control, and audit capabilities.
• Formulated multi-person collaboration, CI/CD, security strategies, and key management, safeguarding account trading and asset security.
• Implemented observability data panels for CS, Risk Control, Settlement services, supporting 7x24 O&M.