# Kartik Kumar > Kartik Kumar is a data engineer and product builder who has worked in data > engineering since 2016. He builds reliable data pipelines, platform migrations, > data ingestion and data modelling on Databricks, Apache Spark, PySpark, SQL and > Azure, and ships Chrome extensions and AI automations on top. Personal site: > https://kartikkumar.info ## About - [About Kartik Kumar](https://kartikkumar.info/about): Who Kartik is — a data engineer working end to end with Databricks, Spark and Azure, and the products he builds alongside the day job. - [Contact](https://kartikkumar.info/contact): How to reach Kartik, plus ways to support the work (UPI, PayPal, Gumroad store). - [Privacy Policy](https://kartikkumar.info/privacy): What data the site collects, the privacy-friendly analytics used, and cookies. ## Work - [Work](https://kartikkumar.info/work): Overview of Kartik's data engineering and the Chrome extensions he has shipped. ## Chrome extensions - [Meta Factory](https://kartikkumar.info/ext-meta-factory): Multi-prompt image and video generation for Meta AI. Queue many prompts and auto-download every result. Free to use; MetaFactory Pro unlocks unlimited bulk automation for $4.99+/month or $29 one-time lifetime. - [MetaFactory product site](https://kartikkumar.info/metafactory): Dedicated landing page for the MetaFactory extension — features, pricing (free + Pro), and links to install. - [MetaFactory user guide](https://kartikkumar.info/metafactory/guide): Full getting-started guide — setup, writing prompts, output types, Pro features, and troubleshooting. - [Whiskey Factory](https://kartikkumar.info/ext-whiskey-factory): Multi-prompt image generation for Google Whisk. Queue prompts and auto-download all generated images. - [Bookmark Brain](https://kartikkumar.info/ext-bookmark-brain): AI sorts your bookmarks into folders, removes duplicates, finds dead links, and searches by topic. - [AI Right-Click](https://kartikkumar.info/ext-ai-right-click): An AI-powered right-click menu built on Chrome's built-in AI. Act on any selection in one click. ## Writing - [Blog](https://kartikkumar.info/blog): Notes on data engineering and building Chrome extensions. - [Taming data skew in Spark](https://kartikkumar.info/note-taming-data-skew-spark): How to spot and fix Apache Spark data skew on Databricks — AQE skew joins, salting a hot key, and broadcast joins. - [Reliable data pipelines](https://kartikkumar.info/note-reliable-data-pipelines): What makes a data pipeline reliable in production. - [Building Chrome extensions](https://kartikkumar.info/note-building-chrome-extensions): Lessons from shipping Chrome extensions. ## Links - GitHub: https://github.com/kodeofkartik - X (Twitter): https://x.com/kodexkartik - YouTube: https://youtube.com/@ikartikdev - Instagram: https://instagram.com/kartikulate - Gumroad store: https://kodexkartik.gumroad.com