“开斋节”

Node.js/Python/Go Runtime Tuning (Event Loop/GIL/Goroutines)

Runtime-specific performance: event-loop blocking, GC, worker pools, and profiling tools.

AWS/Azure/GCP Well-Architected Review

Cloud architecture review against reliability/security/cost/operational/performance pillars for a specific workload.

Kubernetes Capacity & Autoscaling Planner

Tunes requests/limits, HPA/VPA/KEDA/CA so the cluster scales predictably without throttling or OOM kills.

Network/HTTPS/TLS & DNS Hardener

Reviews edge network configuration: TLS versions/ciphers, HSTS, DNSSEC, CORS, headers, and certificate lifecycle.

Data Migration Between Database Engines

Cross-engine migrations (MySQL→Postgres, self-hosted→cloud) with type mapping, dual-run verification, and cutover.

Cloud Cost & Quota Incident Firefighter

Responds to cloud bill spikes / quota exhaustion / runaway resource creation with containment first, then root cause.

Smart Contract Security Audit (Solidity)

审计Solidity智能合约,发现重入、溢出、访问控制等漏洞。

Rust Systems Programming Guide

Rust系统编程指南,涵盖内存安全、并发、异步和性能优化。

Distributed Systems Design

分布式系统设计,涵盖一致性、可用性、分区容忍和共识算法。

GraphQL API Design and Implementation

设计和实现GraphQL API,涵盖schema、解析器、订阅和性能。

Event-Driven Architecture Design

事件驱动架构设计,涵盖事件溯源、CQRS和消息模式。

Microservices Observability Stack

微服务可观测性栈,涵盖日志、指标、链路追踪和性能分析。

Mobile App Architecture (Flutter/React Native)

移动应用架构设计,涵盖状态管理、导航、本地存储和性能。

Performance Profiling and Optimization

性能分析和优化,涵盖CPU、内存、IO和并发瓶颈分析。

IoT Backend and Data Pipeline

IoT后端和数据管道,涵盖设备管理、遥测采集和边缘计算。

Serverless Architecture Design

无服务器架构设计,涵盖FaaS、事件驱动和成本优化。

Data layer

API design

Operations

Complete E-commerce Backend System

从零搭建电商后端系统,含用户认证、商品管理、订单处理、支付集成、库存管理。