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Scaling PostgreSQL without Microservices: Lessons from Notion’s 480 Shards

Scaling PostgreSQL without Microservices: Lessons from Notion’s 480 Shards

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3 min read
Payment System Design at Scale

Payment System Design at Scale

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4 min read
From 10-Minute Blocking APIs to Async Pipelines: A Production Backend Redesign

From 10-Minute Blocking APIs to Async Pipelines: A Production Backend Redesign

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4 min read
Building a Non-Custodial Multi-Chain Payment Infrastructure (EVM + Tron + Solana + Bitcoin)

Building a Non-Custodial Multi-Chain Payment Infrastructure (EVM + Tron + Solana + Bitcoin)

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3 min read
Mastering CAP & BASE Theory with Gemini: From Distributed Principles to Nacos & Redis Reality

Mastering CAP & BASE Theory with Gemini: From Distributed Principles to Nacos & Redis Reality

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4 min read
How We Designed a Production-Grade Communication Layer for an Investment Platform

How We Designed a Production-Grade Communication Layer for an Investment Platform

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4 min read
Backpressure: Why “Just Handle More Traffic” Is the Wrong Mindset

Backpressure: Why “Just Handle More Traffic” Is the Wrong Mindset

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2 min read
MCP as a Deterministic Interface for Agentic Systems

MCP as a Deterministic Interface for Agentic Systems

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3 min read
Active-Passive vs Active-Active: How to Know Which Pattern Fits Your Database

Active-Passive vs Active-Active: How to Know Which Pattern Fits Your Database

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8 min read
How Solana Trading Bots Actually Work Under the Hood — A Developer's Breakdown

How Solana Trading Bots Actually Work Under the Hood — A Developer's Breakdown

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4 min read
The Single Point of Failure in Google SSO

The Single Point of Failure in Google SSO

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10 min read
Observability vs Monitoring: What Every Developer Must Know

Observability vs Monitoring: What Every Developer Must Know

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2 min read
Building a Role-Based Student Management System in Rust (egui + PostgreSQL)

Building a Role-Based Student Management System in Rust (egui + PostgreSQL)

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1 min read
The Coordinate Systems of Intelligence: Why We Need Parallel Agents, Not Bigger Models

The Coordinate Systems of Intelligence: Why We Need Parallel Agents, Not Bigger Models

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4 min read
Enterprise Integration Patterns Every Architect Should Know

Enterprise Integration Patterns Every Architect Should Know

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3 min read
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