👋 I’m Geshan, Senior Software Engineer and a speaker.
I have more than 15 years of professional software engineering experience, currently located in Sydney, Australia serving Simply Wall St as a senior software engineer. I am a Google Developer Expert and I have actively participated as a speaker in:
and more. I am a technical writer too, blogging since 2007.

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Recently published
How to use React fragments, a step-by-step guide for beginners
In this tutorial you will learn how to use React fragments editing a simple but useful app that fetches latest HackerNews stories. Read it!
Read post5 similarities between software systems and being married (read with a pinch of salt)
In this fun light hearted read, you will learn about 5 common things between software systems and marital relationship.
Read postHow to use LIKE in PostgreSQL a beginner’s guide with practical examples
In this tutorial, you will learn how to use the PostgreSQL LIKE and ILIKE expressions with practical examples.
Read postHow to use Next.js with Docker and Docker compose a beginner's guide
In this tutorial, learn how to use Next.js with docker with a step-by-step example.
Read postReview of 2022: Recap of blogging, talks, an interview, and other things
This blog post is a technical recap of 2022.
Read post