🤝
Make a deal with Jorge Castillo :verified:
🔒 Paid proposals held safely in escrow — released only when the work's approved.
Followers
1.4K
Account age
3 yrs
💰 Suggested sponsorship rate
$40 – $65 / sponsored post
Estimated from audience size & typical reach — every deal is negotiable and held in SocialDB escrow.
🧰 Free analysis for Jorge Castillo :verified:
Known for
5 views
This post by @zachklipp on how to centre things in Compose is a master lesson on the compose layout system. Really recommended 💯
https://blog.zachklipp.com/centering-in-compose/
2 views
This will be the last Jetpack Compose cohort course before a long stop. The date is January 15, 2025 🔥
Secure a spot now while it lasts. See you all there! 🫶 🙌
https://newsletter.jorgecastillo.dev/p/the-last-jetpack-compose-cohort-before?r=1mvryx
1 views
Picasso is officially deprecated.
1 views
Keep an eye on Haze 👀😶🌫️
One of those libraries incredibly useful that are also a great opportunity to learn a ton if you dive into their implementation.
By @chrisbanes @cb
https://x.com/chrisbanes/status/1846457075792040219?s=46
📊 Post engagement
3
Avg engagement / post
0.2%
Engagement vs followers
Nov 2022
On Mastodon since
🔥 Top post: This post by @zachklipp on how to centre things in Compose is a · 5 likes + reposts
📊 Activity & format
Posting cadence
1.4 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly text
Recent: 7 text · 4 image · 1 video.
Follower / following
7.1×
Follows 200 back. A strong ratio — an audience that follows them, not a follow-for-follow network.
Recent posts
View on Mastodon ↗
🔥 Top post
This post by @zachklipp on how to centre things in Compose is a master lesson on the compose layout system. Really recommended 💯
https://blog.zachklipp.com/centering-in-compose/
One of the hardest things to explain from Compose is class stability. Hopefully we can become fully agnostic of it eventually. Strong skipping is definitely helping us to get there, but I still find myself having to think about class stabi…
You can also find me on BlueSky 🦋 posting more actively there now
https://bsky.app/profile/jorgecastillo.dev
Picasso is officially deprecated.
Having so much fun leading the Compose migration at Disney+. It’s one of those projects where you learn a ton about the problems of other teams while you come up with the tools and infra they need to make it possible.
This will be the last Jetpack Compose cohort course before a long stop. The date is January 15, 2025 🔥
Secure a spot now while it lasts. See you all there! 🫶 🙌
https://newsletter.jorgecastillo.dev/p/the-last-jetpack-compose-cohort-before?r…
Oh man. Every new cohort I run for the compose course my energies are more drained. It’s been a blast so far and I feel blessed, but I think I’ll take a break from it after one more edition. Next one will probably be the last one before a …
▶
Keep an eye on Haze 👀😶🌫️
One of those libraries incredibly useful that are also a great opportunity to learn a ton if you dive into their implementation.
By @chrisbanes @cb
https://x.com/chrisbanes/status/1846457075792040219?s=46
TIL about PausableComposition ⏯️
A means to decouple a composition process from the next rendered frame, so it can be prepared ahead of time and spread across multiple frames without affecting rendering at all.
Coming up to compose 🔥
https…
Macrobenchmarks are a very efficient way to measure things like frame duration (time to produce the frame) and frame overrun (to detect janky frames). Very useful for gradual migrations from Views to Compose, so you know what approaches to…
There are 2 slot tablets in Compose.
One holds the state being composed. We can call this one the “slot table”.
The other one is an optimization. It holds the content that will be inserted in the slot table when insert changes are applied.…
🙋♂️ Many people asks about the difference between @Stable and @Immutable for class stability in Compose. The only difference is semantics, compiler generates exactly the same code in both cases.
You can use Immutable most of the time, an…
You can also find me on BlueSky 🦋 posting more actively there now
https://bsky.app/profile/jorgecastillo.dev
Picasso is officially deprecated.
Having so much fun leading the Compose migration at Disney+. It’s one of those projects where you learn a ton about the problems of other teams while you come up with the tools and infra they need to make it possible.
This will be the last Jetpack Compose cohort course before a long stop. The date is January 15, 2025 🔥
Secure a spot now while it lasts. See you all there! 🫶 🙌
https://newsletter.jorgecastillo.dev/p/the-last-jetpack-compose-cohort-before?r…
Oh man. Every new cohort I run for the compose course my energies are more drained. It’s been a blast so far and I feel blessed, but I think I’ll take a break from it after one more edition. Next one will probably be the last one before a …
▶
Keep an eye on Haze 👀😶🌫️
One of those libraries incredibly useful that are also a great opportunity to learn a ton if you dive into their implementation.
By @chrisbanes @cb
https://x.com/chrisbanes/status/1846457075792040219?s=46
TIL about PausableComposition ⏯️
A means to decouple a composition process from the next rendered frame, so it can be prepared ahead of time and spread across multiple frames without affecting rendering at all.
Coming up to compose 🔥
https…
Macrobenchmarks are a very efficient way to measure things like frame duration (time to produce the frame) and frame overrun (to detect janky frames). Very useful for gradual migrations from Views to Compose, so you know what approaches to…
There are 2 slot tablets in Compose.
One holds the state being composed. We can call this one the “slot table”.
The other one is an optimization. It holds the content that will be inserted in the slot table when insert changes are applied.…
🙋♂️ Many people asks about the difference between @Stable and @Immutable for class stability in Compose. The only difference is semantics, compiler generates exactly the same code in both cases.
You can use Immutable most of the time, an…
🐘 Community & instance
Home server
androiddev.social
Their home server on the fediverse — the instance a creator picks signals the community they belong to.
✅ Link-verified
Verified link
Proved ownership of a website linked on their profile — Mastodon's green-check verification, a real identity signal rather than a paid badge.
On Mastodon since
Nov 2022
Joined in the Twitter-exodus wave of late 2022 — part of the migration that made Mastodon a real destination.
💡 Facts
🗓️Joined Mastodon in 2022 — 3 years ago.
👁️Averages 3 views per post.
📤Posts about 1.4× per week.
🛡️ Audience credibility
52/100
Fair
Credibility score
76%
Mixed
Real audience
Medium
Fake-follower risk
High
Data confidence
- Est. 76% real, active audience · Medium fake-follower risk.
- Low engagement (~0.2% of followers engage each post) — a sign of an inflated or inactive audience.
- Verified account.
- Established account (3+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
Android at Disney+. Formerly Twitter.
GDE for Android / Kotlin 👨💻
Writing Jetpack Compose internals 📖
Teaching Android in Effective Android 📽 ✍️
https://effectiveandroid.substack.com
📸 Gallery
🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
Dave Goldsmith
15%
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14%
Ganga
14%
Todd Anderson
13%
Sam Adams
12%
🤌 Seb :google: :cwtiPizza:
10%
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