Software Engineer crafting high-performance web products.

// NAVIGATION
// GET_IN_TOUCH

Open to interesting projects and conversations.

andrewleedev03@gmail.com
// AT_A_GLANCE
◈Ho Chi Minh City, VN
◈GMT+7 · Available Globally
◈3+ Years Experience
◈Open to Opportunities
© 2026 Andrew Lee. All rights reserved.Available for new projects
// BLOG

THOUGHTS & WRITINGS

Engineering deep-dives, lessons from production failures, and reflections on life beyond the terminal.

15 ARTICLES PUBLISHED
Building a Real-Time Fan Platform: Scaling Next.js to 100k+ Concurrent Users
★ FEATURED
TECHNICAL · CASE STUDY

Building a Real-Time Fan Platform: Scaling Next.js to 100k+ Concurrent Users

A deep dive into how I architected a high-traffic WebSocket-driven platform for Chelsea FC supporters — and the hard lessons learned when things melted under live match load.

March 15, 202412 MIN READ
#Next.js#WebSocket#Redis#AWS#Scaling
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// RECENT_ARTICLES
Moving to Ho Chi Minh City: Six Months as a Software Engineer
LIFESTYLE
7 min
May 20, 2024

Moving to Ho Chi Minh City: Six Months as a Software Engineer

Saigon was not in the plan. It became the best professional decision I have made. Here is what the city taught me about speed, community, and what actually matters in a career.

VietnamRemote WorkCity Life
READ ARTICLE
Designing APIs That Developers Actually Want to Use
TECHNICAL
8 min
May 2, 2024

Designing APIs That Developers Actually Want to Use

A good API is not just correct — it is obvious. After building and consuming dozens of APIs, here are the principles that separate the ones engineers love from the ones they tolerate.

API DesignRESTDeveloper Experience
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Docker in Production: The Mistakes That Cost Us a Weekend
TECHNICAL
8 min
April 15, 2024

Docker in Production: The Mistakes That Cost Us a Weekend

Three configuration mistakes, one Friday deploy, and a very long weekend. A candid post-mortem on the container pitfalls that are easy to miss until they are not.

DockerDevOpsInfrastructure
READ ARTICLE
The Gym Made Me a Better Engineer. Here is Why.
LIFESTYLE
6 min
March 28, 2024

The Gym Made Me a Better Engineer. Here is Why.

Two years of consistent training changed how I approach hard problems, manage frustration, and think about long-term progress. The parallels are not motivational fluff — they are structural.

FitnessHabitsMindset
READ ARTICLE
Postgres Full-Text Search vs Elasticsearch: A Real Production Comparison
TECHNICAL
11 min
March 5, 2024

Postgres Full-Text Search vs Elasticsearch: A Real Production Comparison

We ran both in parallel for 90 days across three million documents. Here are the exact numbers, the trade-offs, and why we ended up keeping the answer that surprised us.

PostgreSQLElasticsearchSearch
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TypeScript Generics That Actually Make Sense
TECHNICAL
8 min
February 28, 2024

TypeScript Generics That Actually Make Sense

Stop copy-pasting generic patterns you don't understand. Here's how to reason about TypeScript generics from first principles, with real-world examples from production code.

TypeScriptGenericsDX
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// STAY_UPDATED

New articles, every other week.

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