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Desenvolvimento do lado do servidor, APIs, bancos de dados e logica de negocios.

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느린 LLM 호출 중 DB connection을 잡지 않는 이유

느린 LLM 호출 중 DB connection을 잡지 않는 이유

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2 min read
When Your Redis Consumer Group Goes Silent

When Your Redis Consumer Group Goes Silent

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7 min read
REST API Email Tests for Account Lockout Alerts

REST API Email Tests for Account Lockout Alerts

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4 min read
How Discord Stores 11 Billion Messages (Without Melting)

How Discord Stores 11 Billion Messages (Without Melting)

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36 min read
Optimizing Backend Latency: Why Runtime AI Calls Are a Performance Killer

Optimizing Backend Latency: Why Runtime AI Calls Are a Performance Killer

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3 min read
How I built a disposable email service in TypeScript (SMTP, SSE, and a single VPS)

How I built a disposable email service in TypeScript (SMTP, SSE, and a single VPS)

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3 min read
PostgreSQL vs MongoDB vs Cassandra: Multi-Node and How to Choose

PostgreSQL vs MongoDB vs Cassandra: Multi-Node and How to Choose

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17 min read
How I Tackle Blank Days as Beginner Developer

How I Tackle Blank Days as Beginner Developer

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2 min read
I Switched from Postman to Bruno 🚀

I Switched from Postman to Bruno 🚀

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1 min read
I built a short-code marketplace with zero npm dependencies (Node.js 22, no framework)

I built a short-code marketplace with zero npm dependencies (Node.js 22, no framework)

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2 min read
What I learned reading ten EU company registers

What I learned reading ten EU company registers

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4 min read
56/60 Days System Design Questions

56/60 Days System Design Questions

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2 min read
The Difference Between Retry and Idempotency They're Not the Same

The Difference Between Retry and Idempotency They're Not the Same

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3 min read
Supabase vs Firebase in 2026: The Migration Questions Nobody Answers

Supabase vs Firebase in 2026: The Migration Questions Nobody Answers

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5 min read
Failure Engineering Explained by Uncle to Nephew — Episode 5: Recovery — How Systems Heal Themselves

Failure Engineering Explained by Uncle to Nephew — Episode 5: Recovery — How Systems Heal Themselves

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5 min read
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