QUADCORES Engineering Blog

Technical deep-dives, architectural decisions, and lessons learned from building enterprise software at scale.

Featured Articles

Backend Engineering12 min read2026-02-01

Database Scaling Strategies 2026: When Sharding Actually Makes Sense

Stop over-engineering. Most startups die before they need Kubernetes. A brutally honest technical guide on when to stick to a monolith and when to actually break things apart.

database scalingpostgresqlsystem design
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Frontend Modernization15 min read2026-01-28

Migrating to React Server Components: The Good, The Bad, and The ugly

We migrated a 50k LOC Next.js app to App Router. Here is what broke, what got faster, and why context providers are your new enemy.

reactnext.jsserver components
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AI Engineering10 min read2026-01-25

Integrating LLMs into Enterprise Apps: Beyond the "Hello World"

Chatbots are easy. Reliable retrieval (RAG) on messy enterprise PDF data is hard. Here is how we solved hallucination issues.

LLMRAGvector databases
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Engineering Strategy10 min read2026-01-27

Buy vs Build: An Honest Engineering Cost Analysis for 2026

Stop building custom CRMs. A detailed breakdown of when "Build" actually makes sense versus when you should just pay for Salesforce.

build vs buytechnical debtsoftware economics
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All Articles(4)

Backend Engineering12 min read

Database Scaling Strategies 2026: When Sharding Actually Makes Sense

Stop over-engineering. Most startups die before they need Kubernetes. A brutally honest technical guide on when to stick to a monolith and when to actually break things apart.

database scalingpostgresql
2026-02-01
Read →
Frontend Modernization15 min read

Migrating to React Server Components: The Good, The Bad, and The ugly

We migrated a 50k LOC Next.js app to App Router. Here is what broke, what got faster, and why context providers are your new enemy.

reactnext.js
2026-01-28
Read →
AI Engineering10 min read

Integrating LLMs into Enterprise Apps: Beyond the "Hello World"

Chatbots are easy. Reliable retrieval (RAG) on messy enterprise PDF data is hard. Here is how we solved hallucination issues.

LLMRAG
2026-01-25
Read →
Engineering Strategy10 min read

Buy vs Build: An Honest Engineering Cost Analysis for 2026

Stop building custom CRMs. A detailed breakdown of when "Build" actually makes sense versus when you should just pay for Salesforce.

build vs buytechnical debt
2026-01-27
Read →

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