Personal

A Person Who Always Stays Curious About the World

Technology is a tool. Thinking is the core. Keep learning, keep exploring, and understand the world through technology.

📚Keep LearningKeep Learning
💡Think IndependentlyThink Independently
⚡️Explore with TechExplore with Tech
✍️Write & ShareWrite & Share
OPEN TO WORK
Tokyo / Remote
Ding Feng

Ding Feng

IT Infrastructure Engineer

TypeScriptPythonAILinuxDockerCloud
Tokyo, JapanJST

─ Latest ─

Postgain and losstrade-offAugust 11, 2026

What We Gain, We Also Lose

Every gain hides a quiet loss. A personal essay on hidden costs of development, the paradox of viral success, and what you lose when turning a hobby into income.

17 min read
PostfriendsdistanceAugust 9, 2026

Why Do Friends Gradually Drift Apart with Distance?

Why do friendships quietly fade when we change cities, jobs, or countries? A reflection on distance, regional limits, and the small habits that keep rare, lifelong friendships alive.

14 min read
NoteJapanese peopleYokohamaJuly 21, 2026

Three Very Different Japanese People, All in One Day

On Japan's Marine Day in Yokohama, I met three very different Japanese people in a single day — welcoming locals who greeted us in Chinese and English, a rude waiter on Enoshima, and elderly activists protesting anti-foreigner discrimination. A single act of kindness — or unkindness — doesn't define a country. The lesson: think independently, and never let one individual stand in for a whole people.

NoteJLPTN2July 9, 2026

The JLPT Is Over... Now What?

JLPT N2 is done. Months of tension suddenly released — and I sank into a strange emptiness. The rhythm of running toward a clear goal just stopped. What now?

PostlifechangeJune 29, 2026

Why I Changed My Life's Server

Life is like a server — run it long enough and you accumulate tech debt, get tired, and your architecture goes stale. Changing your runtime isn't escape; it's a deliberate architecture upgrade.

7 min read

Timeline

From 1991 to today. 34 years on the road.

1991

Born in Zaozhuang, Shandong

Born in Zaozhuang, Shandong Province, China.

1996

Moved to Weihai, Shandong with parents

Moved to Weihai, Shandong Province with my parents.

1996 - 2010

Primary, middle, and high school in Weihai

Grew up in Weihai. Fourteen years of school on the Shandong peninsula.

2010 - 2014

Studied CS in Beijing, then started working

Wrote my first programs in Beijing. Discovered systems thinking. Started working before graduation.

2014 - 2015

Outsourced to Qingdao, Shandong

First job out of school: sent to Qingdao on a project assignment. Network admin, server deployment, technical support.

2015 - 2017

Back to Beijing to work

Moved back to Beijing. Network engineering, server operations, automation scripts.

2017 - 2025

Back to Weihai, Shandong to work

Eight years building and operating IT infrastructure in Weihai. Data centers, networks, internal systems.

2025 - Present

Tokyo, Japan - language school & job hunting

Studying Japanese in Tokyo. Job hunting for IT infrastructure / AI roles.