Hi!

Hello! I'm James, a software engineer exploring AI, distributed systems, and all things code, and this is where I will write my findings!

• posts - where I discuss cool projects, thoughts and opinions;
• til - where I frequently add today-i-learns;
• journey - where I dump any career/tech decisions made.

Posts

• 2026-11-04 — Down the OSI stack: one request to example.com
  Every packet caused by GET https://example.com, decoded layer by layer from the Ethernet frame up to the decrypted HTTP response, with the Rust code that decodes it.
• 2026-10-20 — DynamoDB patterns
  43 DynamoDB design patterns, from key design to global tables, each with a runnable demo against DynamoDB Local.
  • 01 - Intro & setup
  • 02 - Modelling
  • 03 - Querying
  • 04 - Item size & large data
  • 05 - Consistency & concurrency
  • 06 - Lifecycle & events
  • 07 - Performance & scale
  • 08 - Operations
  • 09 - What not to do
• 2026-10-09 — Linux I/O models
  The five ways a Linux process can wait for data, explored through small C programs and strace.
• 2026-01-31 — Maths behind ML and AI
  An exploration of the mathematics behind ML/AI from fundamentals
  • 01 - Linear regression
  • 02 - Feed-forward Neural Network
• 2026-01-14 — Claude Code: Lessons from the Trenches
  A practical guide to Claude Code through 8 progressive exercises - from basic prompting to MCPs and context management.
• 2026-01-14 — So You Want To Buy Me Coffee?
  The journey of a techy coffee shop owner building real-time dashboards - from cron jobs to Kafka + Flink
• 2025-11-29 — Kafka: a practical exploration
  Exploration of Kafka configurations.
• 2025-08-26 — GenAI and Trusted Execution Environments
  An intro to a series on deploying GenAI applications in TEEs.
  • 01 - Types of TEEs