Stories, insights & tutorials
Dive into our latest articles on web development, DevOps, mobile apps, and engineering best practices.
intermediateAI Engineering
RAG, Fine-Tuning, or Better Context: Choosing the Right Fix for a Bad AI Feature
Badal Singh
A decision guide for fixing weak AI features by separating knowledge freshness, behavior, context assembly, retrieval, fine-tuning, and evaluation.
17 min read831 viewsSep 10, 2026
intermediateWeb Development
Getting Your Product Cited by AI Search: Structure, Schema, and Crawlability
Badal Singh
A practical guide to earning product citations in AI search through crawlable pages, clear passages, schema accuracy, internal links, and measurable visibility.
17 min read616 viewsSep 9, 2026
intermediateAI Engineering
Cutting LLM Spend Without Cutting Quality: Routing, Caching, and Token Budgets
Badal Singh
A practical LLM cost engineering guide for SaaS teams covering token attribution, model routing, prompt caching, batching, retrieval discipline, budgets, and graceful degradation.
17 min read1.1k viewsSep 8, 2026
advancedAI Engineering
Evaluating AI Agents in Production: Traces, Trajectory Evals, and CI Gates
Badal Singh
A production evaluation system for AI agents using traces, tool and trajectory checks, calibrated judges, deterministic mocks, CI gates, and failure-driven datasets.
17 min read874 viewsSep 7, 2026
advancedAI Engineering
pgvector or a Dedicated Vector Database: How to Decide, With Real Thresholds
Badal Singh
A practical pgvector versus dedicated vector database decision guide covering filtering, HNSW, IVFFlat, hybrid search, cost, scale thresholds, and migration.
17 min read659 viewsSep 6, 2026
advancedMobile Development
Your App Is Stuck on React Native 0.7x: A Staged Upgrade Plan for 2026
Badal Singh
A staged React Native upgrade plan for 0.7x applications covering New Architecture readiness, Fabric, TurboModules, Expo alignment, CI, devices, and rollback.
17 min read745 viewsSep 5, 2026
advancedSecurity
Adding Passkeys to a B2B SaaS: WebAuthn, Account Recovery, and Enterprise Reality
Badal Singh
A production passkey architecture for B2B SaaS covering WebAuthn ceremonies, RP IDs, synced credentials, recovery, enterprise SSO, step-up auth, and rollout telemetry.
17 min read1.3k viewsSep 4, 2026
advancedBackend Development
Upgrading to PostgreSQL 18: Async I/O, UUIDv7, and a Zero Surprise Rollout
Badal Singh
A production playbook for PostgreSQL 18 covering async I/O, UUIDv7, generated columns, upgrade paths, managed services, benchmark design, and rollback.
17 min read917 viewsSep 3, 2026
advancedFrontend
React Compiler in Production: What to Delete, What to Keep, and What to Measure
Badal Singh
A production guide to React Compiler v1 covering safe adoption, manual memoization audits, lint diagnostics, bailouts, performance measurement, and rollout.
17 min read745 viewsSep 2, 2026
advancedWeb Development
Migrating to Next.js 16: Turbopack, Cache Components, and the Async API Breaks
Badal Singh
A production migration runbook for Next.js 16 covering Turbopack, async request APIs, Cache Components, Proxy, build verification, and safe rollback.
17 min read573 viewsSep 1, 2026
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All articles
- RAG, Fine-Tuning, or Better Context: Choosing the Right Fix for a Bad AI Feature
- Getting Your Product Cited by AI Search: Structure, Schema, and Crawlability
- Cutting LLM Spend Without Cutting Quality: Routing, Caching, and Token Budgets
- Evaluating AI Agents in Production: Traces, Trajectory Evals, and CI Gates
- pgvector or a Dedicated Vector Database: How to Decide, With Real Thresholds
- Your App Is Stuck on React Native 0.7x: A Staged Upgrade Plan for 2026
- Adding Passkeys to a B2B SaaS: WebAuthn, Account Recovery, and Enterprise Reality
- Upgrading to PostgreSQL 18: Async I/O, UUIDv7, and a Zero Surprise Rollout
- React Compiler in Production: What to Delete, What to Keep, and What to Measure
- Migrating to Next.js 16: Turbopack, Cache Components, and the Async API Breaks
- What Is an API Gateway? Architecture, Security, Routing, and Production Patterns
- AWS vs Azure vs Google Cloud for Startups: Cost, Performance, and Which to Choose
- Docker Compose: A Practical Guide to Multi-Container Development and Deployment
- GraphQL vs REST in 2026: How to Choose the Right API Architecture
- How to Build an AI SaaS Product: Architecture, Tech Stack, Cost, and Launch Plan
- How to Build an MCP Server in TypeScript: Tools, Resources, Authentication, and Deployment
- OAuth 2.0 and OpenID Connect in Node.js: A Production Authentication Guide
- React Native vs Flutter in 2026: Which Framework Should You Choose?
- Serverless vs Containers: Which Deployment Model Should You Choose?
- WebSockets vs SSE vs Polling: Which Real-Time Technology Should You Use?
- API Versioning Strategy: How to Evolve a Public API Without Breaking Clients
- Next.js App Router Performance Checklist: Improve Core Web Vitals Without Guesswork
- How to Build a Production AI Customer Support Agent with RAG, Tools, and Human Handoff
- Production Kubernetes: Reliability Patterns to Learn Before You Scale
- RAG Evaluation: How to Measure Retrieval and Answer Quality in Production
- Secure Multi-Tenant APIs: Isolation, Authorization, and Auditability
- Terraform AWS Environments: State, Modules, and Safe Promotion Between Stages
- TypeScript Strict Mode Migration: A Safe Plan for Large JavaScript Codebases
- AI Engineer Roadmap 2026: From Python Basics to Production AI Systems
- Frontend Developer Roadmap 2026: What to Learn and Build Step by Step
- How to Learn Data Engineering: SQL, Pipelines, Warehouses, and Analytics
- How to Learn Docker and Kubernetes: From Your First Container to Production
- How to Learn Python and FastAPI by Building a Real API
- How to Learn RAG: Build a Retrieval-Augmented Generation Pipeline
- How to Learn React and Next.js in 2026: From Components to Production
- How to Learn Terraform and AWS Infrastructure as Code
- How to Learn TypeScript Step by Step: A Practical Project-Based Plan
- How to Secure REST APIs: A Practical Learning Path
- AWS VPC Endpoint Pricing: How to Estimate PrivateLink and NAT Gateway Costs
- Feature-First Architecture: How to Organize Frontend and Backend Code by Product Area
- Next.js Micro Frontends: Multi-Zones, Module Federation, and When to Use Each
- What Is a Webhook Endpoint? How It Works, Examples, and Security Checklist
- What Is an ORM in Node.js? Prisma, Sequelize, TypeORM, and When to Use Raw SQL
- AI Integration Cost for SaaS Products: Chatbots, Search, Summaries, and Automation
- Custom Software Development Cost in India: What Founders Should Budget in 2026
- How Long Does It Take to Build a Custom Web App? Real Timelines by Scope
- Fixed Price vs Dedicated Developers: Which Model Is Better for Your Product?
- How to Choose a Software Development Company in India Without Getting Burned
- MVP Development Cost in India: Scope, Timeline, and Realistic Tradeoffs
- Next.js Development Agency vs Freelancer vs In-House Team: A Practical Buyer Guide
- React Native App Development Cost in India: iOS, Android, Backend, and Store Launch
- Software Development Company in Delhi: What Local Buyers Should Check Before Hiring
- What to Send a Software Agency Before Asking for a Quote
- What is PostgreSQL? A Beginner's Guide to Relational Databases in 2026
- A Practical Guide to Passwordless Magic Link Authentication in Next.js App Router and PostgreSQL
- Surviving Traffic Spikes: Architecting Database Connection Pooling with PgBouncer, PostgreSQL, and Node.js
- What is Node.js? A Complete Beginner’s Guide to Server-Side JavaScript in 2026
- Rescuing a Failing MVP: A CTO’s Blueprint for Auditing and Overhauling Legacy React Codebases
- Mastering Internationalization (i18n) in Next.js: Building SEO-Friendly Multi-Language SaaS Apps
- How to Deploy a Node.js App: A Complete Step-by-Step Guide for Beginners in 2026
- What is Serverless Computing? A Beginner’s Guide to Cloud Architecture in 2026
- Frontend vs Backend Explained: A Beginner's Guide to Web Architecture in 2026
- What is GraphQL? A Beginner’s Guide to Modern API Design in 2026
- In-House vs Dev Agency: A CTO’s Guide to Scaling Engineering Output in 2026
- What is an ORM? A Beginner’s Guide to Interacting with Databases in Node.js
- CLI Tools I Use Daily as a Developer in 2026
- What is CI/CD? A Beginner’s Guide to Continuous Integration and Delivery
- SQL vs NoSQL Explained: How to Choose the Right Database for Your Project
- What is Git? A Beginner's Guide to Version Control in 2026
- A Practical Guide to Implementing Push Notifications in React Native with Firebase (FCM)
- A Practical Guide to Integrating Stripe Subscriptions in Next.js and Node.js
- Building an Enterprise Design System: Combining Tailwind CSS, Radix UI, and React
- What is a Webhook? A Beginner’s Guide to Event-Driven API Communication
- Implementing Role-Based Access Control (RBAC) from Scratch in Node.js, TypeScript, and PostgreSQL
- How to Build a Real-Time Dashboard in React and Node.js using Server-Sent Events (SSE)
- Implementing Secure JWT Authentication with HttpOnly Cookies in Node.js and React
- Mastering Type-Safe Forms in React: A Step-by-Step Guide to React Hook Form and Zod
- What is TypeScript? A Beginner's Guide to Type-Safe JavaScript
- What is Kubernetes? A Beginner’s Guide to Container Orchestration in 2026
- Securing Node.js APIs in Production: Implementing Advanced Rate Limiting, Helmet, and Redis
- Buy vs Build in 2026: Architecting Pragmatic Authentication for B2B SaaS
- Mastering React State Management in 2026: Zustand vs Redux Toolkit vs Context API
- Slashing React Native Launch Times: Architecting Hermes Precompilation and Code Splitting for Enterprise Apps
- What is a REST API? A Beginner’s Guide to How Web Applications Communicate
- What is Docker? A Complete Beginner’s Guide to Containerization in 2026
- React vs Next.js Explained: Which Should You Choose in 2026?
- Slashing AWS Networking Costs: Replacing Expensive NAT Gateways with VPC Endpoints for Node.js Microservices
- Zero-Friction Staging: Architecting Full-Stack Ephemeral Preview Environments with Kubernetes, RDS Clones, and GitHub Actions
- Codifying Your Cloud: Architecting Multi-Environment AWS Deployments with AWS CDK and TypeScript
- Enterprise Disaster Recovery: Architecting Active-Passive Multi-Region Failover for Kubernetes and PostgreSQL on AWS
- Optimizing SaaS Database Costs: Migrating Multi-Tenant PostgreSQL Workloads to Amazon Aurora Serverless v2
- Rendering 100k+ Rows in React: Architecting High-Performance Data Grids with Virtualization and Web Workers
- Zero-Flicker A/B Testing: Architecting Edge Personalization with Next.js Middleware and AWS CloudFront Functions
- Architecting Enterprise Flutter Apps: Implementing Feature-First Modularity with Riverpod and Domain-Driven Design
- Building Resilient Field Apps: Architecting Offline-First Flutter Applications with SQLite Sync and Node.js Conflict Resolution
- Bulletproof Microservice Deployments: Implementing GitOps and Automated Canary Rollouts with ArgoCD, AWS EKS, and GitHub Actions
- Bulletproofing Next.js App Router: Implementing Strict Content Security Policies (CSP) and Middleware Nonces for Enterprise Security
- Eliminating Microservice Blind Spots: Architecting Distributed Tracing with OpenTelemetry, Node.js, and AWS X-Ray
- Eliminating Secrets Sprawl: Architecting Dynamic Secret Rotation with AWS Secrets Manager and Kubernetes External Secrets Operator
- Eliminating UI Jank in Flutter: Architecting Background Isolates for CPU-Intensive Data Parsing in Financial Apps
- Enterprise Mobile CI/CD: Architecting Secure Over-The-Air (OTA) Hotfixes for React Native with Expo EAS
- Mastering Next.js Server Actions: Architecting Type-Safe Mutations, Optimistic UI, and Automated Rollbacks
- Preventing Checkout Downtime: Architecting a High-Availability Multi-Gateway Payment Router with Node.js, Stripe, and Razorpay
- Scaling PostgreSQL for High-Volume Telemetry: Implementing Native Table Partitioning and Archival Strategies in Node.js
- Scaling Secure Document Vaults: Architecting Direct-to-S3 Multipart Uploads and E2E Encryption in Node.js
- Slashing CI/CD Pipeline Bottlenecks: Architecting Advanced Docker Buildx Caching for Node.js Monorepos
- Taming Next.js App Router Cache: Architecting Predictable On-Demand Revalidation via Webhooks and Tag-Based Strategies
- Achieving SOC2 Compliance: Building Tamper-Proof Audit Logs and Revision Histories with PostgreSQL Triggers and Node.js
- Architecting a Compliant Multi-Sided Marketplace: Managing Escrow and Split Payouts with Stripe Connect and Node.js
- Architecting a Multi-Tenant B2B SaaS with Next.js App Router, Custom Domains, and PostgreSQL
- Architecting Scalable Real-Time APIs: Migrating from Socket.io to AWS API Gateway WebSockets with a Stateless Node.js Backend
- Architecting Usage-Based Billing: Building an Event-Driven Metering Pipeline with Node.js, AWS SQS, and Stripe
- Bulletproof Webhook Ingestion: Architecting High-Throughput, Idempotent Processing Pipelines with Node.js, PostgreSQL, and AWS SQS
- Ditching Elasticsearch: Implementing Typo-Tolerant Full-Text Search with PostgreSQL, pg_trgm, and Node.js
- Dropping Redis: Architecting Transactional Background Jobs in Node.js using PostgreSQL and Graphile Worker
- Eliminating React Native Bridge Bottlenecks: Migrating to Fabric and TurboModules for Native-Level Performance
- Escaping Vendor Lock-in: Self-Hosting Next.js App Router on AWS ECS, Docker, and CloudFront for Enterprise Scale
- Reducing AWS EKS Costs by 60%: Architecting Spot Instances, Karpenter, and Pod Disruption Budgets for Node.js Microservices
- Reliable Background Processing in React Native: Architecting Headless JS and WorkManager for Offline Data Sync
- Scaling Engineering Teams: Implementing Micro-Frontends with Next.js App Router, Webpack Module Federation, and TypeScript
- Unlocking Enterprise B2B Deals: Architecting SAML SSO and Automated Identity Provisioning (SCIM) in a Node.js SaaS
- Zero-Downtime Database Migrations in Kubernetes: Synchronizing PostgreSQL Schema Changes with Node.js Deployments
- Zero-Trust Architecture on EKS: Hardening Node.js Microservices with Istio Service Mesh and mTLS
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