Engineering notes
Articles for people who
ship the stack
Original rewrites on React, Node.js, TypeScript and AI — practical notes from the same engineering practice behind our operator software. Article bodies are in English.
Tagged: java
Spring AI vs LangChain4j: same RAG, different hidden choices
Twin Java RAG builds on one handbook showed line-count gaps shrink with Spring integration—and a wrong leave answer exposed chunking defaults.
736 wordsRead articleSOLID as a Question About Change: Refactoring a Spring Boot Service
Learn to apply each SOLID principle in a Spring Boot backend by asking what is likely to change, and how to avoid the over-engineering that SOLID often invites.
2660 wordsRead article
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About these articles
Yes. Each piece is an original English rewrite prepared for this site. Structure and code examples follow the source material; prose is rewritten and checked for overlap before export.
Technical posts ship in English first so code and API names stay exact. The site chrome (navigation, SEO shells) is available in all nine languages.
New drafts land in the publish queue as they pass editorial checks. Running the site import picks up only new or changed slugs — nothing is duplicated.
Treat samples as illustrative. Validate against your stack and licences before production use. For delivery work, contact us with the brief.
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