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Gopi Gorantala

Hello 👋, My name is Gopi, and I am an Engineering Leader with over 12 years of experience and a deep understanding of Architecting systems, Machine Coding, Java11, Microservices, and React. I worked in India and Europe for fast-paced startups, the European government, and tech giants that include Apple, Intel, EMC2(Dell), and JiveSoftware.

I always do research, learn some more joints on Distributed Systems(back-end).

I've mostly taught myself and have been freelancing since 2016 while living as a Digital Nomad. This site contains my learnings, experiences, tools, etc. My written notes and courses cover the most trending software topics.

Featured Posts

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Mastering Arrays For Coding Interviews in Java

Arrays are fundamental data structures in computer science and serve as building blocks for complex ones.

Mastering Arrays For Coding Interviews in Java
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How To Prevent cannot read property map of undefined

The "cannot read property map of undefined" error occurs when we try to call the map method on a variable that stores an undefined or null value.

How To Prevent cannot read property map of undefined
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How can I remove a specific item from an array in JavaScript?

Removing a specific item from an array is the most use case a developer runs into. You will learn more than 7 ways to achieve this.

How can I remove a specific item from an array in JavaScript?
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A Complete Guide To JavaScript LocalStorage

localStorage is a property of the window object in JavaScript that allows you to store key/value pairs in a web browser. The data stored in localStorage persist even after the browser is closed, making it a useful tool for saving user data on the client side.

A Complete Guide To JavaScript LocalStorage
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How to Prevent cannot read property split of undefined

The "cannot read property split of undefined" error occurs when we try to call the split() method on a variable that stores an undefined value.

How to Prevent cannot read property split of undefined

Recent Posts

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Leetcode 217: Contains Duplicate

This question marks the first problem when working on duplicate data, either integers or strings etc. Companies that have asked this in their coding interview are Amazon, Apple, Netflix, Google, Microsoft, Adobe, Facebook, and many more top tech companies. Problem statement Given an integer array nums, return true if any

Leetcode 217: Contains Duplicate
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Leetcode 121: Best Time To Buy and Sell Stock

The Best time to buy and sell stock problem is a classic problem that can be solved using the Greedy approach. This is one of the most popular questions asked in such interviews. Companies that have asked this in their coding interview are Facebook, Amazon, Apple, Netflix, Google, Microsoft, Adobe,

Leetcode 121: Best Time To Buy and Sell Stock
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Blind 75 LeetCode Problems: Detailed Solutions

💡More problems are on the way. Blind 75 is a curated collection of 75 coding problems commonly used by fast-paced startups and the top 1% of companies. List gained popularity among software engineers for tech interviews, especially at Google, Amazon, and Facebook (Meta). Arrays 1. Two Sum 2. Best Time