Chaff • Engineering Lessons Learned

Chaff • Engineering Lessons Learned

Tech Blogs Digest 08.12 - 14.12

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Engineering Lessons Learned
Dec 18, 2025
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This week we AI-analysed 7783 posts for you, filtered out the chaff and hand-picked the wheat. Subscribe to stay up to date with future digests!

This week
  1. 🏗️ Architecture - event-driven user feedback platform and real-time collaboration system design

  2. 🤖 LLMs in production - debugging a $5,000 RAG hallucination, session-aware recommenders, Claude’s MCP and more

  3. 📊 Data - optimising OLAP queries and dbt incremental models

  4. ⚙️ DevOps - distributed tracing in AWS ETL pipelines, Lambda durable functions and more

  5. 🧮 Data Science - a meteorology‑focused explanation of bilinear interpolation, and liquid time constants

  6. 🛡️ Security - how AWS IAM eventual consistency creates security risks

  7. ☕ Java - modular monoliths framework for Spring Boot


🏗️ ARCHITECTURE

  • Building a User Generated Content System at Scapia | 10 min read

Scapia engineered a scalable, event-driven user feedback platform that boosts reviews and fuels smarter travel insights with dynamic forms and gamification.

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