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— the engineering journal
Backend writing. 2 essays.
Vol. IIIEst. 2022updated May 2026
- 01
From Chains to Graphs: Why LangGraph Is How I Build Agents Now
LatestLinear chains break the moment your agent needs to retry, branch, or wait for a human. Why I migrated from LangChain chains to LangGraph for every multi-step AI workflow — and what production taught me on the way.
Apr 202611 min readIssue 07AIBackendAI / GenAILangGraph - 02
RAG in Production: What the Tutorials Don't Tell You
Chunking strategies, retrieval quality metrics, eval loops, and the unglamorous infra work that decides whether your RAG actually ships — beyond the demo.
Mar 202614 min readIssue 06AIBackendAI / LLMRAG
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