Nandan Kumar (@sirius93) | Hashnode Toggle Sidebar Feed Pro Search Theme Sign in MoreDarkshift - a dark factory for softwareBug0 - The AI-native e2e QA regression testingThe foreword by Hashnode - official blog from the Hashnode teamPassmark - The open-source AI framework for regression testingHashnode gql skill - let your AI agent publish to your Hashnode blogHackathonsChangelogBrand@hashnode on XHashnode on LinkedInSupport - [email protected] of ConductTermsPrivacySitemap Search Hashnode Search posts, tags, users, and pages @sirius93 Nandan Kumar @sirius93·Bangalore, India·Joined May 2022 Software Engineer • Mentor • Tech Speaker WebsiteShare About I am Nandan, And you probably know me as a "Software Engineer who "hacked" an Airline to retrieve his luggage". I am a full-time Software Engineer, Tech Speaker, and mentor. I enjoy talking about Web Development, Machine Learning, Natural language Processing, Machine learning Accelerated Mobile Pages, Progressive Web Apps, Cybersecurity, Chatbots, etc. My claim to fame was when I posted a series of tweets on Twitter about data privacy issues on an airline’s website and the tweet got viral for all the good reasons. The story was covered by all major media portals all around the world including BBC, Saudi Gazette, Times of India, Boing Boing, Lallantop etc. and I have been interviewed by some major radio channels and podcasts. In my free time, I like to indulge myself in activities like Photography, Gardening, Snooker, or Boxing. I am a proud owner of many plants, I sometimes talk to them (mostly pep talks). Available for I am available for Mentoring, Freelance Consultation, and Tech Talks. Nandan Kumar's blogs Nandan Kumar's Blog | Software Engineer | Featured on BBC, Saudi Gazette, Times Of India | Tech Speaker | Mentorblog.nandan.dev39 posts About I am Nandan, And you probably know me as a "Software Engineer who "hacked" an Airline to retrieve his luggage". I am a full-time Software Engineer, Tech Speaker, and mentor. I enjoy talking about Web Development, Machine Learning, Natural language Processing, Machine learning Accelerated Mobile Pages, Progressive Web Apps, Cybersecurity, Chatbots, etc. My claim to fame was when I posted a series of tweets on Twitter about data privacy issues on an airline’s website and the tweet got viral for all the good reasons. The story was covered by all major media portals all around the world including BBC, Saudi Gazette, Times of India, Boing Boing, Lallantop etc. and I have been interviewed by some major radio channels and podcasts. In my free time, I like to indulge myself in activities like Photography, Gardening, Snooker, or Boxing. I am a proud owner of many plants, I sometimes talk to them (mostly pep talks). Available for I am available for Mentoring, Freelance Consultation, and Tech Talks. Nandan Kumar's blogs Nandan Kumar's Blog | Software Engineer | Featured on BBC, Saudi Gazette, Times Of India | Tech Speaker | Mentorblog.nandan.dev39 posts ArticlesComments1 Recently published NKNandan Kumarinblog.nandan.dev·1d ago · 12 min read Bulk-Adding Google Workspace Domain Aliases Without Service-Account Keys Managing one domain in Google Workspace is straightforward. Managing ten, twenty, or more domains across several brands is where the process starts to hurt. For every domain, an administrator has to p 10 NKNandan Kumarinblog.nandan.dev·Jul 12 · 6 min read How I Moved My Google AI Studio App to GitHub CI Kitaaben started life in Google AI Studio. No shame in that — it's genuinely the fastest way I know to get a full-stack app with Firebase wired up and live. But "fast to start" and "where your code sh 00 NKNandan Kumarinblog.nandan.dev·Jun 24 · 4 min read I Got Tired of Goodreads. So I Built Kitaaben.com I read a lot. Not as much as I'd like to, but enough that I needed a place to keep track of it all. For years, Goodreads was that place. Then Amazon bought it in 2013 and... nothing happened. No meani 00 NKNandan Kumarinblog.nandan.dev·Mar 4 · 4 min read How to Convert Nested Objects to Flat Objects in JavaScript. I am sure you have been asked this question in one of the interviews. It looks simple at first. But the interviewer is actually checking whether you understand recursion, objects, and how JavaScript t 00 NKNandan Kumarinblog.nandan.dev·Sep 5, 2025 · 4 min read HTML Pitfalls and Gotchas Every Developer Should Avoid HTML is easy, said every developer ever. HTML is deceptively simple. You open a tag, you close a tag, and something appears on screen. But beneath that simplicity lurk gotchas that can silently break your layout, wreck your SEO, or make your site loo... 00 Load more