> Markdown version of [/@mandeep-singh](https://www.wearedevelopers.com/@mandeep-singh). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mandeep Singh Lead engineer at Kyndryl. O'Reilly author focusing on practical AWS system design. ## About Mandeep Singh builds simple, scalable systems. As a Lead Software Engineer at Kyndryl, he focuses on cloud infrastructure modernization. He previously worked on e-commerce and payment systems at Amazon and Jupiter. He wrote the O'Reilly book *System Design on AWS* to help developers create resilient architectures. His talks tackle the messy reality of shipping software, exploring how teams can balance fast-paced AI development with long-term structural integrity. When he isn't designing systems, he teaches cloud architecture on YouTube. ## Upcoming Sessions ### Conference India 2026 ยท November 25, 2026 Bengaluru, India - [A Tale of Two Systems: Design and Reality](https://www.wearedevelopers.com/events/conference-india-2026/sessions/2042-a-tale-of-two) ## Links - [X](https://x.com/msdeep14) - [LinkedIn](https://www.linkedin.com/in/msdeep14/)