Aman Kumar Singh

Aman Kumar Singh — Team Lead & Senior Software Engineer based in Noida, India. Full Stack engineer writing about Node.js, NestJS, React, Next.js, microservices, PostgreSQL, AWS, and system design

Noida, India Joined on Jul 21, 2026 aman97aman@gmail.com https://amanksingh.com

Education

MTECH from BITS Pilani

Aman Kumar Singh

Jul 24

Structured Logging for Node.js

#node #nestjs #logging #backend

8 min read

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Aman Kumar Singh

Jul 24

Audit Logs You Can Trust

#security #nestjs #postgres #backend

9 min read

Aman Kumar Singh

Jul 24

Feature Flags and Safe Rollouts

#webdev #backend #node #architecture

9 min read

Aman Kumar Singh

Jul 24

Deploying a Full Stack SaaS

#docker #aws #devops #backend

9 min read

Aman Kumar Singh

Jul 24

Scaling a SaaS Beyond One Server

#scaling #nestjs #aws #backend

9 min read

Aman Kumar Singh

Jul 24

Disaster Recovery and Backups

#postgres #aws #backend #devops

10 min read

Aman Kumar Singh

Jul 24

Caching Strategies for a SaaS

#redis #backend #node #architecture

9 min read

Aman Kumar Singh

Jul 24

Monitoring a SaaS in Production

#monitoring #nestjs #devops #backend

9 min read

Aman Kumar Singh

Jul 24

Setting Up CI/CD for a Full Stack Monorepo

#cicd #docker #devops #monorepo

9 min read

Aman Kumar Singh

Jul 24

Multi-Tenancy Architecture for SaaS

#postgres #saas #backend #security

9 min read

Aman Kumar Singh

Jul 24

Organizations, Teams, and Invitations

#saas #nestjs #postgres #backend

9 min read

Aman Kumar Singh

Jul 24

Subscription Billing and Plans

#billing #stripe #saas #nestjs

9 min read

Aman Kumar Singh

Jul 24

Accepting Payments with Stripe

#stripe #nestjs #payments #typescript

9 min read

Aman Kumar Singh

Jul 24

Product Analytics and Event Tracking

#analytics #nestjs #postgres #backend

9 min read

Aman Kumar Singh

Jul 24

Designing the SaaS Dashboard

#nextjs #react #postgres #saas

9 min read

Aman Kumar Singh

Jul 24

Handling File Uploads Securely

#security #aws #node #saas

9 min read

Aman Kumar Singh

Jul 24

Adding Full-Text Search

#postgres #nestjs #backend #database

8 min read

Aman Kumar Singh

Jul 24

Sending Transactional Emails

#node #nestjs #backend #aws

8 min read

Aman Kumar Singh

Jul 24

Building a Notification System

#backend #nestjs #redis #postgres

9 min read

Aman Kumar Singh

Jul 24

Securing Your SaaS API

#security #nestjs #api #backend

9 min read

Aman Kumar Singh

Jul 24

Organization and Multi-Tenant Authentication

#nestjs #saas #security #postgres

9 min read

Aman Kumar Singh

Jul 24

Session Management and Token Storage

#node #redis #security #typescript

9 min read

Aman Kumar Singh

Jul 24

Multi-Factor Authentication (MFA)

#nestjs #security #authentication #typescript

9 min read

Aman Kumar Singh

Jul 24

Adding OAuth and Social Login

#nestjs #oauth #authentication #security

10 min read

Aman Kumar Singh

Jul 24

Role-Based Access Control (RBAC) in a SaaS

#security #nestjs #postgres #backend

9 min read

Aman Kumar Singh

Jul 24

Refresh Tokens Done Right

#webdev #node #security #typescript

9 min read

Aman Kumar Singh

Jul 24

JWT Authentication in NestJS

#nestjs #jwt #authentication #typescript

8 min read

Aman Kumar Singh

Jul 24

Redis Caching Best Practices and Pitfalls

#redis #database #backend #performance

6 min read

Aman Kumar Singh

Jul 24

A Production Security Checklist

#security #node #saas #nestjs

8 min read

Aman Kumar Singh

Jul 24

Performance Tuning Before Launch

#postgres #performance #nextjs #backend

8 min read

Aman Kumar Singh

Jul 24

Preventing Cache Stampede with Redis

#redis #database #backend #performance

6 min read

Aman Kumar Singh

Jul 24

Cache Invalidation Strategies with Redis

#redis #database #backend #performance

6 min read

Aman Kumar Singh

Jul 24

Refresh-Ahead Caching with Redis

#redis #database #backend #performance

5 min read

Aman Kumar Singh

Jul 24

Write-Behind (Write-Back) Caching with Redis

#redis #database #backend #performance

5 min read

Aman Kumar Singh

Jul 24

Read-Through and Write-Through Caching with Redis

#redis #database #backend #performance

5 min read

Aman Kumar Singh

Jul 24

The Cache-Aside Pattern with Redis

#redis #database #backend #performance

5 min read

Aman Kumar Singh

Jul 24

Redis Key Expiration, TTL, and Eviction Policies

#redis #database #backend #performance

5 min read

Aman Kumar Singh

Jul 24

Redis Sorted Sets and Ranked Data

#redis #database #backend #performance

5 min read

Aman Kumar Singh

Jul 24

Redis Sets and Set Operations

#redis #database #backend #performance

5 min read

Aman Kumar Singh

Jul 24

Redis Lists and Simple Queues

#redis #database #backend #performance

5 min read

Aman Kumar Singh

Jul 24

Redis Hashes: Storing Objects

#redis #database #backend #performance

5 min read

Aman Kumar Singh

Jul 24

Redis Strings, Counters, and Atomic Operations

#redis #database #backend #performance

5 min read

Aman Kumar Singh

Jul 24

Redis Data Structures: An Overview

#redis #database #backend #performance

5 min read

Aman Kumar Singh

Jul 24

What Redis Is and When to Use It

#redis #database #backend #performance

5 min read

Aman Kumar Singh

Jul 21

The Production Readiness Checklist

#webdev #saas #devops #backend

8 min read

Aman Kumar Singh

Jul 21

A Git Workflow for Small Teams

#git #webdev #saas #productivity

8 min read

Aman Kumar Singh

Jul 21

A Folder Structure That Scales for Full Stack SaaS

#webdev #typescript #nestjs #nextjs

7 min read

Aman Kumar Singh

Jul 21

Managing Environment Variables and Secrets

#security #node #typescript #devops

9 min read

Aman Kumar Singh

Jul 21

Setting Up Docker for Local Development

#docker #node #devops #backend

8 min read

Aman Kumar Singh

Jul 21

Choosing Prisma or TypeORM for Your NestJS API

#nestjs #prisma #typescript #backend

9 min read

Aman Kumar Singh

Jul 21

Setting Up PostgreSQL the Right Way

#postgres #database #docker #backend

6 min read

Aman Kumar Singh

Jul 21

Two Pointers & Sliding Window, Explained Simply

#algorithms #dsa #typescript #programming

6 min read

Aman Kumar Singh

Jul 21

Arrays & Hashing: The Interview Patterns You Must Know

#arrays #hashing #dsa #algorithms

6 min read

Aman Kumar Singh

Jul 21

The Senior Engineer's Guide to Coding Interviews

#career #dsa #programming #webdev

8 min read

Aman Kumar Singh

Jul 21

Setting Up NestJS the Right Way

#nestjs #node #typescript #backend

6 min read

Aman Kumar Singh

Jul 21

Setting Up Your Next.js App the Right Way

#nextjs #react #typescript #webdev

5 min read

Aman Kumar Singh

Jul 21

Setting Up a Monorepo with Turborepo

#monorepo #typescript #nextjs #nestjs

5 min read

Aman Kumar Singh

Jul 21

Choosing the Right Tech Stack for Your SaaS (Without Overthinking It)

#saas #typescript #nextjs #webdev

6 min read

Writing Debut

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