Posts
- What I learned studying product security as an engineer Finishing a security course and still freezing on real work is usually an indexing problem, not a memory problem. Here is the operating manual I built so product security knowledge fires when the situation appears.
- What I learned from a business awareness course An engineer's takeaways from Business From Zero: how companies actually make money, what unit economics mean for product work, and why fintech stops feeling like jargon.
- How data moves between two machines - for real production systems A clear mental model of moving data machine-to-machine: bandwidth vs latency, TCP and backpressure, serialization, reliability under load, and the patterns production systems actually use.
- How code runs on a computer - from program to bare-metal voltage A clear under-the-hood path from source code to machine instructions, CPU cycles, transistors, and the voltages that actually flip on silicon.
- What is Linux? The operating system under the hood A clear, complete explanation of Linux: the kernel, processes, memory, filesystems, system calls, and how the OS quietly runs almost everything.