Author profile
Technical author
Badal Singh writes SoftwareCrafting technical guides about web and mobile development, backend security, cloud infrastructure, DevOps, and developer tooling.
This page consolidates the author name, public profile links, subject coverage, and articles published on SoftwareCrafting.
Badal Singh is a named technical author on SoftwareCrafting. His published articles focus on practical software implementation and architecture across frontend, backend, mobile, cloud, and developer workflows.
His SoftwareCrafting work includes guides to Next.js and React, Node.js access control and real-time systems, PostgreSQL-backed authentication, React Native and Flutter applications, Kubernetes and AWS deployment patterns, Git, and command-line tools.
This profile records only the authorship and subject coverage demonstrated by the existing SoftwareCrafting article archive. A public LinkedIn profile is provided for external identity verification.
Published work
41 articles currently attributed
A practical guide to building an AI SaaS product with multi-tenant architecture, model integrations, retrieval, billing, evaluation, security, and a realistic launch plan.
Understand OAuth 2.0 and OpenID Connect, choose the correct flow, implement secure login in Node.js, and avoid token, redirect, session, and state-management mistakes.
A detailed Kubernetes production guide covering health probes, resources, graceful shutdown, rollouts, disruption budgets, observability, and recovery drills.
A detailed guide to evaluating RAG systems: dataset design, retrieval recall, groundedness, citations, latency, cost, regressions, and production monitoring.
A detailed architecture guide for secure multi-tenant APIs covering tenant resolution, database isolation, authorization, cache safety, background jobs, and audit trails.
A detailed guide to structuring Terraform AWS environments with remote state, modules, IAM, plans, promotion workflows, drift detection, and deletion safety.
A detailed, incremental plan for moving a production JavaScript codebase to TypeScript strict mode without freezing feature delivery or hiding errors behind any.
Learn the skills behind production AI engineering: Python, data, machine learning, embeddings, RAG, evaluation, deployment, and responsible operations.
A practical frontend developer roadmap for 2026, from web fundamentals and JavaScript to TypeScript, React, testing, accessibility, and deployment.
A project-based data engineering learning path from SQL and data modeling to reliable pipelines, warehouses, testing, and lineage.
A practical Docker and Kubernetes learning path covering images, networking, volumes, deployments, services, health checks, and rollout safety.
Learn Python and FastAPI through a practical API project covering typing, validation, persistence, authentication, testing, and deployment.
Learn retrieval-augmented generation by building a small RAG system with document ingestion, chunking, embeddings, retrieval, citations, and evaluation.
A project-first plan for learning React and Next.js: components, state, data fetching, routing, rendering, testing, and deployment.
Learn Terraform and AWS through a safe project that covers networking, IAM, state, modules, plans, environments, and drift.
Learn TypeScript in the right order with a focused path through types, functions, generics, narrowing, APIs, and React projects.
Learn API security in the right order: threat modeling, authentication, authorization, validation, rate limiting, secrets, and monitoring.
Next.js micro frontends can be built with multi-zones, separate apps, or module federation. Learn which architecture fits your team and product.
A webhook endpoint is the URL your app exposes to receive event notifications from another system. Learn how it works and how to secure it.
An ORM maps database tables to application objects. Learn how Node.js ORMs work, when to use Prisma, Sequelize, TypeORM, and when raw SQL is better.
AI integration cost for SaaS depends on workflow fit, UX, prompts, retrieval, backend, evaluation, observability, and human review needs.
Custom web app timelines depend on scope, integrations, product clarity, QA, and launch risk. Use these practical ranges before hiring a team.
Choosing a software development company in India requires more than comparing hourly rates. Use this checklist to reduce vendor and delivery risk.
Compare a Next.js development agency, freelancer, and in-house team before choosing how to build your SaaS app, dashboard, or website.
Hiring a software development company in Delhi? Use this local buyer checklist to compare teams, proof, communication, and project risk.
Learn how to build a secure, dependency-light passwordless magic link authentication system in Next.js App Router using PostgreSQL and standard Node.js crypto.
Forget the GUI. These 8 CLI tools have permanently replaced bloated alternatives in my daily workflow - from AI-powered coding to supercharged file navigation.
Learn what Git is, the difference between Git and GitHub, and how version control powers modern software development with commits, branches, and merges.
Master React Native push notifications with Firebase Cloud Messaging (FCM). A step-by-step guide to APNs, Android 13 permissions, and background handlers.
Move beyond basic JWT authentication and learn how to architect a scalable Role-Based Access Control (RBAC) system using PostgreSQL and TypeScript middleware.
Learn how to build a real-time dashboard in React and Node.js using Server-Sent Events (SSE). Discover why SSE is a lightweight, cost-effective alternative to WebSockets.
Learn the basics of Kubernetes and container orchestration with simple analogies, code examples, and a clear guide on when your business should migrate.
Understand the core differences between React and Next.js. Learn about Client-Side vs Server-Side rendering in plain English to make the right choice for your project.
Eliminate the shared staging bottleneck by orchestrating automated, isolated per-PR environments on Kubernetes with AWS Aurora fast cloning.
Transitioning from fragile ClickOps to deterministic Infrastructure as Code using AWS CDK and TypeScript. Learn how to architect, secure, and deploy multi-environment AWS infrastructure to eliminate configuration drift.
Learn how to build enterprise-grade Flutter apps from scratch using a feature-first architecture, Domain-Driven Design, and Riverpod for scalable state management.
Learn how to build a robust flutter offline first architecture using SQLite, background sync queues, and Node.js conflict resolution for enterprise field applications.
Master zero-downtime deployments on AWS EKS by migrating from fragile push-based CI/CD scripts to a self-healing GitOps architecture using ArgoCD and Argo Rollouts.
Learn how to architect a persistent background Isolate pool in Flutter to handle heavy JSON parsing and WebSocket payloads without dropping UI frames.
Learn how to build a high-availability, multi-gateway payment router in Node.js that intelligently falls back between Stripe and Razorpay to eliminate checkout downtime.
Learn how to build a scalable multi-tenant SaaS architecture using Next.js 14 Middleware for custom domain routing and PostgreSQL Row-Level Security (RLS) for strict data isolation.
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