GenServer Patterns in Elixir and the Same Idea in Ruby
A token-bucket rate limiter in Elixir (GenServer) and Ruby (concurrent-ruby): same mailbox pattern, different runtime, with honest notes on threads, OS processes, and the BEAM.
Writings
Occasional notes on building and operating backend systems in Elixir and Ruby — not a high-frequency blog, but a place for ideas worth keeping.
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Unlocking 'Unlimited' Connectivity: The Architecture Behind Automated eSIM Plan Rotation
How we engineer seamless, high-bandwidth eSIM packages by automating daily plan rotation, without the user ever noticing a swap.
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Over-Engineering: The Art of Knowing When to Simplify
A working system is not always a healthy one. On GenStage, JPEG snapshots, and why simplification is an optimization — not a downgrade.