John Kim ✓

@PremiumGoblin · joined 02 Aug 2026

I do software stuff and make content https://t.co/q9bOKIkiD8 Senior Staff Software Engineer @ Meta

37 609Followers

214Following

928Posts total

2.5MViews on collected posts

Derniers posts

John Kim ✓@PremiumGoblin9 Sep

@PremiumGoblin "life is not fair, get used to it" - HR probably 1.2K views · 4 likes · 0 reposts · 0 replies Open on X →

John Kim ✓@PremiumGoblin9 Sep

One of the biggest difference between Codex and Claude is that Claude Loooooves adding comments. /** this is a variable to that will be used to hold the name of a fruit. It can be dynamically changed as it is hoisted to the top as a var **/ var fruit = "apple" 3.7K views · 43 likes · 1 reposts · 7 replies Open on X →

John Kim ✓@PremiumGoblin9 Sep

I'm making a little website for fun and honestly goals and queuing up prompts are the best features. Long goals let me execute a very detail roadmap that I planned with the agents for a few hours. I have agentic validation rules and honestly for side projects I just let it cook

1.2K views · 5 likes · 0 reposts · 2 replies Open on X →

John Kim ✓@PremiumGoblin9 Sep

As Computer use gets better and better I think it’s going to be even harder to tell if something is AI generated For example if I told Codex to make me a blender model that output will be very realistic. Same with making music, if I told codex to use protools to make music we 1.8K views · 7 likes · 0 reposts · 4 replies Open on X →

John Kim ✓@PremiumGoblin9 Sep

@PremiumGoblin pretty accurate. also learning it coding from scratch seems so... unnecessary. Why would I learn how to write loops when AI can do it in seconds without any mistakes. 2.1K views · 12 likes · 0 reposts · 2 replies Open on X →

John Kim ✓@PremiumGoblin9 Sep

@PremiumGoblin everyone is a beginner every few weeks nowadays 😝 1.3K views · 15 likes · 0 reposts · 1 replies Open on X →

John Kim ✓@PremiumGoblin9 Sep

Learn to code. Coding’s dead. Use AI. You’ll never learn the fundamentals. Learn the fundamentals. Who does leetcode these days? Ship fast. Don’t ship slop. Specialize. Be full stack. Build side projects. Not another to-do app. Build something original. Don’t reinvent the 70.9K views · 1K likes · 78 reposts · 61 replies Open on X →

John Kim ✓@PremiumGoblin19 Aug

@PremiumGoblin can you make a v2 for this video https://t.co/iUogi5DB2Q with latest claude code and all the things you've learned since the last video? nothing beats a screenshare and actual code 87.9K views · 274 likes · 12 reposts · 1 replies Open on X →

John Kim ✓@PremiumGoblin18 Aug

Hi, I’m John! I’m a L7 Senior Staff software engineer at Meta. My weird hobby is making AI Tech content on YouTube and Substack and I wanted to start sharing more here. In the past I’ve worked on Reels, Meta AI on Msgr and currently working on Threads. I also teach Agentic 2.3M views · 5.9K likes · 201 reposts · 334 replies Open on X →

Face aux comptes de taille comparable

9 posts des 90 derniers jours, à côté de la tranche de 10K–100K abonnés. diffusé largement, mais peu de ces spectateurs réagissent.

Vues médianes2 060ce compte964médiane pour 10K–100K

Portée, %5.48%ce compte3.55%médiane pour 10K–100K

Engagement, %0.60%ce compte1.59%médiane pour 10K–100K

Indicateur	Ce compte	Médiane pour 10K–100K	Rapport
Vues médianes par post	2 060	964	2.14×
Portée (vues ÷ abonnés)	5.48%	3.55%	1.54×
Taux d'engagement	0.60%	1.59%	0.38×

Autres comptes de cette tranche → Comparer avec un autre compte → Comment ces repères sont établis →

Growth & engagement

How the posts we collected actually performed: views and reaction rate post by post, what the audience did with them, and where the follower count goes.

Views per post

2.3M18 Aug

87.9K19 Aug

70.9K9 Sep

1.3K

2.1K

1.8K

1.2K

3.7K

1.2K

Last 9 collected posts, oldest on the left. The scale is logarithmic: one post can outrun the rest a hundred times over.

Engagement rate per post

0.28%18 Aug

0.33%19 Aug

1.67%9 Sep

1.28%

0.68%

0.60%

0.59%

1.37%

0.33%

Reactions — likes, reposts, replies and quotes — divided by views. Median for 10K–100K accounts is 1.59%.

What the audience does

Likes48.8%7 299 in total

Reposts2.0%292 in total

Replies2.8%412 in total

Bookmarks46.5%6 967 in total

Share of every reaction we collected for this account. Replies mean argument, reposts mean endorsement, bookmarks mean the post was worth keeping.

The follower curve appears once this account has two daily snapshots — we take one a day, and this one is on its first.

Derniers posts

Face aux comptes de taille comparable

Growth & engagement

Views per post

Engagement rate per post

What the audience does

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