API Rewrite · US Martech
🇺🇸 美国 Martech · API 重写（Featured）
🇺🇸 US Martech · API Rewrite (Featured)
Express → Next.js + NestJS，2024 交付Express → Next.js + NestJS, delivered 2024
挑战Challenge: 客户 SaaS 平台 Express 回调地狱导致 P99 延迟 1.2s，前端经常超时报错Legacy Express callback hell caused P99 1.2s latency, frequent front-end timeouts
方案Solution: Next.js + NestJS 全栈重写，PostgreSQL 热数据，Redis 缓存，拆 18 个 task 并行交付Full rewrite with Next.js + NestJS, PG hot data, Redis cache, 18 tasks parallel delivery
成果Result: P99 降至 380ms（-68%），客户转为 $2.5K/mo 长期维护至今P99 dropped to 380ms (-68%), client converted to $2.5K/mo retainer
Social App · Canada
北美校园社交平台
Campus Social Platform · Canada
Next.js + NestJS + Vben，2022 交付Next.js + NestJS + Vben, delivered 2022
挑战Challenge: 客户需要从0到1搭建校园社交APP，包含即时通讯、动态、匹配推荐Build a campus social app from scratch: IM, feed, matching
方案Solution: NestJS 微服务架构 + Next.js 管理后台 + WebSocket 实时通讯NestJS microservices + Next.js admin + WebSocket
成果Result: 3 个月交付，客户转为长期维护合作Delivered in 3 months, converted to retainer
Immigration SaaS · Canada
加拿大移民咨询平台
Immigration Consulting Platform · Canada
Next.js + NestJS + Antd Pro，2022 交付Next.js + NestJS + Antd Pro, delivered 2022
挑战Challenge: 移民顾问需要面向客户的专业咨询 + 案件管理系统Advisors needed professional consulting + case management system
方案Solution: Antd Pro 中后台 + NestJS RBAC 权限 + Stripe 订阅支付Antd Pro admin + NestJS RBAC + Stripe subscription
成果Result: 2 个月上线，帮助客户签下 30+ 移民案件Launched in 2 months, helped close 30+ immigration cases
Travel APP · Finland
北欧民宿预订APP
Nordic B&B Booking APP · Finland
Ionic + NestJS + Antd Pro，2023 交付Ionic + NestJS + Antd Pro, delivered 2023
挑战Challenge: 北欧民宿房东需要跨平台APP，同时要对接 Google Maps / Stripe / 短信Cross-platform app + Google Maps / Stripe / SMS integration
方案Solution: Ionic 跨端 + NestJS 聚合多个第三方 API + Redis 缓存Ionic cross-platform + NestJS API aggregation + Redis cache
成果Result: 5 个月交付 iOS/Android 双端，上线 6 个月 1.2 万下载iOS/Android shipped in 5 months, 12K downloads in 6 months
Mini Program · Australia
澳洲留学生租房平台
Student Rental Platform · Australia
Uniapp + NestJS + Antd + React，2023 交付Uniapp + NestJS + Antd + React, delivered 2023
挑战Challenge: 留学生租房信息不对称，需要微信小程序 + H5 双端Asymmetric rental info, need WeChat Mini Program + H5
方案Solution: Uniapp 跨端 + NestJS + 地图 SDK + 实时聊天Uniapp cross-platform + NestJS + Map SDK + realtime chat
成果Result: 3 个月交付，覆盖墨尔本主要高校周边房源Delivered in 3 months, covering major Melbourne campuses
Live Commerce · Europe
欧洲直播带货APP
Live Commerce APP · Europe
Laravel + Next.js + React Native，2023-2024 交付Laravel + Next.js + React Native, delivered 2023-2024
挑战Challenge: 欧洲本地主播需要低延迟直播 + 商品橱窗 + 跨境支付Low-latency live + product showcase + cross-border payment
方案Solution: WebRTC 低延迟直播 + Laravel 商品系统 + Stripe 多币种WebRTC low-latency + Laravel catalog + Stripe multi-currency
成果Result: 4 个月交付，直播间峰值 2000+ 在线Delivered in 4 months, 2000+ peak concurrent viewers
Knowledge Paid · UK
英伦知识付费平台
Knowledge Monetization Platform · UK
NestJS + React + Next.js + Electron，2023-2024 交付NestJS + React + Next.js + Electron, delivered 2023-2024
挑战Challenge: 创作者需要 Web + 桌面端一致的体验，支持数字作品交易 + 会员订阅Consistent web + desktop, digital goods + membership
方案Solution: Monorepo + Next.js (Web) + Electron (桌面) + NestJS (API) + 区块链确权Monorepo + Next.js + Electron + NestJS + blockchain provenance
成果Result: 6 个月交付三端，上线首月 GMV $80KThree platforms in 6 months, $80K GMV in first month