Advanced Backend Engineering
A production-focused path through API scale, data consistency, queues, observability and the engineering decisions that keep systems alive.
42 minutes3 partsBy Build in Public
Node.jsScalingSystem Design
BACKEND / 01BP
YOUR PROGRESS0 of 3 completed
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PART 01 · 8 min read
What changed when our Node API crossed one million requests a day
The unglamorous lessons: connection pools, useful tracing, boring queues and why our clever caching layer had to go.
PART 02 · 9 min read
RAG beyond the demo: the five failures nobody shows in tutorials
Chunking is the easy bit. Evaluation, permissions, stale context and silent retrieval failures are where production systems get interesting.
PART 03 · 6 min read
I rebuilt my portfolio around outcomes — and finally started getting interviews
The exact before-and-after framework I used to turn scattered projects into a career story recruiters could understand in thirty seconds.
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