All articles — page 4
Showing 12 of 87 articles on AI systems, retrieval, backend engineering and DevOps.
- Next.jsAI SecurityWeb Security
Securing Your AI-Powered Next.js Applications: Best Practices
Secure AI-powered Next.js apps — API key management, data privacy, input validation, and defence against prompt injection, SSRF and friends.
- LangGraphAI AgentsLangChain
Beyond Basic Chatbots: Developing Advanced AI Agents with LangGraph
Build stateful, multi-step AI agents with LangGraph — core concepts, real architectures, code examples, and the pitfalls beyond simple chatbots.
- AI IntegrationSaaS ArchitectureMachine Learning
Integrating Custom AI Models into Existing SaaS Platforms
Integrate custom-trained AI models into an existing SaaS — API design, deployment strategy, data pipelines, security, and production monitoring.
- Next.jsPerformanceAI
Optimizing Next.js Performance for AI-Powered SaaS Applications
Advanced Next.js performance work for AI SaaS products — streaming, caching, edge functions, and serving model responses at scale without stalls.
- Node.jsMulterAWS S3
Handling File Uploads and Images in Node.js: From Form to CDN
Handle file and image uploads in Node.js with Multer, Amazon S3 and signed URLs — covering security, performance, and CDN delivery in production.
- RAGLangChainNext.js
Building a Production-Ready RAG System with LangChain and Next.js
Architect and build a production RAG system with LangChain for orchestration and Next.js for the UI — ingestion, retrieval, streaming, deployment.
- GraphQLNode.jsApollo
Building a GraphQL API on Node.js with Apollo or KitQL
Build a production GraphQL API on Node.js with Apollo Server or KitQL — schema design, resolvers, and hybrid REST/GraphQL for mixed clients.
- Node.jsRedisRate Limiting
Rate Limiting, Caching, and Monitoring Your Node.js APIs
Harden Node.js APIs with Redis rate limiting, caching strategies, and observability via Prometheus and structured logs — production-ready code.
- BackendSoftware ArchitectureMicroservices
Modern Backend Architecture: Monolith vs Microservices in 2026
A pragmatic comparison of modular monoliths and microservices — when each one wins, real examples, code patterns, and the pitfalls to avoid.
- PostgreSQLMongoDBDatabase
PostgreSQL vs MongoDB: Choosing the Right Database for Your Project
PostgreSQL and MongoDB compared on schema design, scaling, consistency and developer experience — a practical way to pick one and move on.
- Socket.IOReactNode.js
Real-Time Features with Socket.IO: Live Chat, Notifications, and Dashboards
Build real-time chat, push notifications and live dashboards with Socket.IO on React and Node.js — including scaling, auth, and production practices.
- AuthenticationJWTSecurity
Building a Secure Auth Flow with JWT, Refresh Tokens, and Rate Limiting
Build a production auth system with JWT access tokens, rotating refresh tokens and rate limiting — registration, login, protected routes, refresh.