I'm Diljit, Engineering Manager at Avoca (YC '23) and founder of QRCodeStack and MailMyCard. I write about distributed systems, AI agents, and shipping real software. More about me.
Work with me: I take on a small number of outside AI projects. See my AI consulting services, the voice agent work, or book a 30-minute consultation.
Latest articles
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- 6 Nov 2026How LLMs Work, From the Basics to the Hardware: Tokens, Attention, Training, SRAM and DRAM
- 6 Nov 2026KV Cache Explained: How a 3-Trillion-Parameter Model Runs on 59 Wafers
- 6 Nov 2026PayU Review 2026: 10 Reasons It Failed My Small Business
- 13 Oct 2026Best Handwritten Notes Services in 2026: 4 Compared
- 8 Oct 2026LangGraph Tutorial: Build a Stateful AI Agent in Python
- 8 Oct 2026What Is RAG? Retrieval-Augmented Generation Explained, With a Python Build
- 4 Oct 2026CPU, CUDA and the Fundamentals of Running a Language Model
- 4 Oct 2026CPU, GPU and CUDA Fundamentals for Engineers
My work
| Project | What it is |
|---|---|
| SnipVault | Clipboard manager for the Mac |
| QRCodeStack | Dynamic QR code generator |
| MailMyCard | Real-pen handwritten cards, mailed worldwide |
| Courses | How LLMs work |
| Photos | Photo albums |