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Vivek Kumar

A developer's blog on frontend & backend systems, APIs, Cloud, AI and scalable tech.

Vivek Kumar

A developer's blog on frontend & backend systems, APIs, Cloud, AI and scalable tech.

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AI Backend & APIs

Things I Learned Using AI to Ship Backend Features Faster

Vivek Kumar November 19, 2025 No Comments
Cloud & Integrations

AWS Cost Optimisation Techniques for EC2, S3, CloudFront & RDS

Vivek Kumar July 7, 2025 No Comments
Backend & APIs Cloud & Integrations

Why We Added Redis + Sidekiq to Our Rails 5 App

Vivek Kumar January 30, 2025 No Comments
Cloud & Integrations Backend & APIs

Observability in Our Rails 5 App with New Relic

Vivek Kumar September 24, 2024 No Comments
Backend & APIs Cloud & Integrations

Optimising DB Queries the right way in Rails

Vivek Kumar March 8, 2024 No Comments
Backend & APIs

Top 100 Node.js Interview Questions and Answers

Vivek Kumar February 24, 2021 No Comments

I have sat on both sides of the Node.js interview table over the last few years, as the person sweating through the questions and as the person asking them. Most…

Backend & APIs

Top 100 Ruby on Rails Interview Questions and Answers

Vivek Kumar February 13, 2021 No Comments

This post is the list I wish I had when I started. I have grouped the 100 questions so you can study by theme rather than grinding a flat list.…

JavaScript

Debugging with Angular 9

Vivek Kumar December 6, 2020 No Comments

To build good apps, you must be able to debug effectively. You must be able to use all of your available tools. New API in Angular 9 It comes directly…

Cloud & Integrations

How to setup Twilio Flex on Local system.

Vivek Kumar June 25, 2019 No Comments

Create account on Twilio Flex for free. https://www.twilio.com/flex After creating account with Twilio Flex, create a new project. You will find various type of project in Twilio. Select Flex option.…

JavaScript

Javascript IQ

Vivek Kumar September 23, 2017 4 Comments

Javascript blackmails because you don't know its truth. Test how much truth you know.

JavaScript

Intersection Observer for image rendering on webpage

Vivek Kumar September 8, 2017 No Comments

The Intersection Observer API observes changes in the intersection of a target element with document’s viewport. I will show how to implement Intersection Observer API for image rendering. Using this…

Backend & APIs

School Bus Location Tracking in Real Time with Redis

Vivek Kumar April 3, 2017 No Comments

Implementation of a real-time school bus tracking system using:~ ASP.NET Web API on .NET Framework~ Redis~ Redis Pub/Sub~ Mobile app for bus drivers~ Mobile app for parents~ Background subscriber service~…

SharePoint

Logging using List in SharePoint 2013

Vivek Kumar October 21, 2016 No Comments

There are few ways of custom logging in SharePoint 2013 – Use SPDiagnosticsService – You may write to the ULS via SPDiagnosticsService class. Utilize diagnostics.asmx web service – I have…

SharePoint

Web services in SharePoint 2013

Vivek Kumar September 27, 2016 No Comments

SharePoint Web Services lets us change the SharePoint items remotely. SharePoint web services can be used to perform many tasks like performing administrative settings, logging on to a SharePoint site,…

SharePoint

How to do logging in ULS from CSOM in c#?

Vivek Kumar September 23, 2016 7 Comments

If you want to log error in 15 hive Logs folder than you have to use Diagnostics.asmx web service. You can find list of all web service library on this…

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AI Backend & APIs

Things I Learned Using AI to Ship Backend Features Faster

Cloud & Integrations

AWS Cost Optimisation Techniques for EC2, S3, CloudFront & RDS

Backend & APIs Cloud & Integrations

Why We Added Redis + Sidekiq to Our Rails 5 App

Cloud & Integrations Backend & APIs

Observability in Our Rails 5 App with New Relic

Vivek Kumar

A developer's blog on frontend & backend systems, APIs, Cloud, AI and scalable tech.

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