Backend
22 articles on Backend.
Core Web Vitals for Backend Engineers: TTFB, Caching & Server-Side Wins (2026)
Most Core Web Vitals advice targets frontend developers, but LCP and INP problems usually start at the server. This guide covers the backend half: TTFB budgets, connection pooling, cache strategy, streaming SSR, CDN headers, and compression — with the production numbers behind each fix.
June 10, 2026·7 min readAuthentication & Authorization: Complete Guide to JWT, OAuth 2.0, and Security
Master authentication and authorization in web applications. Learn JWT tokens, OAuth 2.0 flows, session management, RBAC, and security best practices with Python and Node.js implementations.
December 19, 2024·8 min readBackend Trends 2025: What Every Developer Should Know
Explore the hottest backend development trends for 2025 including AI integration, edge computing, serverless evolution, WebAssembly, and platform engineering.
December 18, 2024·7 min readGo vs Java: Backend Language Comparison for 2025
In-depth comparison of Go and Java for backend development. Compare performance, concurrency, ecosystem, and enterprise adoption to choose the right language for your project.
December 18, 2024·15 min readPython vs Go: Choosing the Right Backend Language in 2025
Comprehensive comparison of Python and Go for backend development. Explore performance, concurrency, frameworks, and real-world use cases to make the right choice for your project.
December 18, 2024·18 min readWebSocket & Real-Time Applications: Complete Implementation Guide
Build real-time applications with WebSocket. Learn Socket.IO, connection management, scaling with Redis, authentication, and patterns for chat, notifications, and live updates with Python and Node.js.
December 18, 2024·8 min readBuilding Healthcare Technology at Dr. Dangs Lab: What They Don't Teach You
3 years of building lab management systems taught me that healthcare software is nothing like regular SaaS. Here's what actually matters when patient care depends on your code.
December 17, 2024·11 min readSystem Design Interview: Complete Preparation Guide for Software Engineers
Master system design interviews with this comprehensive guide. Learn scalability patterns, load balancing, caching, database sharding, microservices, and how to approach any system design problem methodically.
December 17, 2024·9 min readTesting Strategies: Unit, Integration, and E2E Testing Complete Guide
Master software testing with comprehensive guide on unit testing, integration testing, and end-to-end testing. Learn pytest, Jest, Playwright, testing pyramids, TDD, and best practices for reliable code.
December 17, 2024·15 min readAWS Services for Backend Developers: Complete Infrastructure Guide
Master essential AWS services for backend development including EC2, Lambda, S3, RDS, DynamoDB, SQS, SNS, API Gateway, and CloudFormation. Learn cloud architecture patterns and best practices.
December 16, 2024·13 min readBuilding a Pathology Lab Management System: Complete Technical Guide
Learn how to design and build a modern pathology laboratory management system. Covers sample tracking, test workflows, report generation, billing integration, and compliance requirements for diagnostic labs.
December 16, 2024·9 min readRedis Caching Strategies: Complete Guide to High-Performance Caching
Master Redis caching patterns including cache-aside, write-through, write-behind, and cache invalidation strategies. Learn practical implementations with Python and real-world performance optimization techniques.
December 16, 2024·8 min readBuilding Scalable Microservices with Go and FastAPI
How I learned to combine Go and Python microservices the hard way - after our monolith crashed during peak hours at Dr. Dangs Lab. Real patterns from processing millions of healthcare transactions.
December 15, 2024·9 min readLIMS Development: Building Laboratory Information Management Systems
Complete guide to developing Laboratory Information Management Systems (LIMS). Learn architecture patterns, sample tracking, instrument integration, regulatory compliance, and best practices for clinical and research laboratories.
December 15, 2024·11 min readPython Async Programming with asyncio: Complete Developer Guide
Master asynchronous programming in Python with asyncio. Learn coroutines, tasks, event loops, async context managers, and build high-performance concurrent applications with practical examples.
December 15, 2024·9 min readTypeScript Best Practices: Write Type-Safe, Maintainable Code
Master TypeScript with advanced patterns, type utilities, generics, strict mode, error handling, and best practices for building scalable applications. From basics to advanced type manipulation.
December 15, 2024·14 min readPostgreSQL Performance Optimization: Complete Guide for Production
Master PostgreSQL performance tuning with indexing strategies, query optimization, configuration tuning, and monitoring. Learn techniques that helped us handle 10M+ daily transactions in healthcare systems.
December 14, 2024·7 min readREST API Design Best Practices: Building APIs That Developers Love
Learn how to design clean, scalable, and developer-friendly REST APIs. Covers URL structure, HTTP methods, status codes, pagination, versioning, error handling, and security best practices.
December 12, 2024·8 min readGraphQL vs REST API: Complete Comparison Guide for 2024
Understand when to use GraphQL vs REST API. Compare performance, flexibility, caching, real-world use cases, and learn practical implementation with code examples in Python and Node.js.
December 11, 2024·9 min readBuilding HIPAA-Compliant Healthcare SaaS: A Developer's Guide
Essential security practices and architectural patterns for building healthcare applications that meet HIPAA compliance requirements. Learn about encryption, access controls, audit logging, Business Associate Agreements, breach notification, key management, and secure data handling — from production experience.
December 10, 2024·11 min readMongoDB vs PostgreSQL: Complete Database Comparison Guide
Choose the right database for your project. Compare MongoDB and PostgreSQL on data modeling, performance, scalability, ACID compliance, and use cases with practical examples and benchmarks.
December 10, 2024·10 min readEvent-Driven Architecture with Apache Kafka: A Practical Guide
Learn how to design and implement event-driven systems using Apache Kafka. Covers event schemas, consumer patterns, exactly-once semantics, and real-world patterns from healthcare data pipelines.
December 5, 2024·6 min read