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Peter Zhu
Followers
351
Account age
3 yrs
🎁 Free analysisfor Peter Zhu

Known for

📊 Post engagement

Recent posts · likes + reposts
Sep 15latest
12
Avg engagement / post
7–14
Typical post (engagement)
3.4%
Engagement vs followers
75/100
Very consistent reach
Nov 2022
On Mastodon since
Half of recent posts land between 7 and 14 likes + reposts (median 13) — a dependable floor a sponsored post can count on.

🔥 Top post: Ruby has a new moving GC. I just merged moving Immix in the MMTk · 26 likes + reposts

📊 Activity & format

Posting cadence
0.28 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly text
Recent: 8 text · 4 image · 0 video.
Follower / following
8.4×
Follows 42 back. A strong ratio — an audience that follows them, not a follow-for-follow network.
🔥 Top post Ruby has a new moving GC. I just merged moving Immix in the MMTk Ruby binding. This is exciting as its the first GC that dynamically detects fragmentation in the heap and performs defragmentation. Performance isn't too great yet but I'm working on it! https://github.com/ruby/rub… ★ 26
Excited to be speaking at @rubyconf in Vegas next week! ★ 11 Excited to be speaking at @rubyconf. See you in Vegas! ★ 14 Honored to give my talk at #RubyKaigi this year! Slides are available here: https://blog.peterzhu.ca/assets/rubykaigi_2026_slides.pdf ★ 8 Arrived in Hakodate for #RubyKaigi ★ 7 “Your proposal for RubyKaigi 2026 has been accepted” See you in Hakodate! ★ 7 I implemented Ruby's heap algorithm in MMTk in a day and 100 lines. Ruby's default GC is 10k+ lines. This doubles MMTk's performance from over 2x slower to almost on par. And I still haven't unlocked MMTk's true powers like generational GC… ★ 18 I wrote about some of my thoughts on the lessons we can learn from the RubyGems situation and how we can move forward. https://blog.peterzhu.ca/open-source-is-the-most-fragile-and-resilient-ecosystem/ ★ 13 I’m excited to share that I’m starting as a Staff Developer at Figma! ★ 23 Friday was my last day of an incredible journey at Shopify. In the past 5 years, I had the privilege of working on some cutting edge projects to advance Ruby with some of the most talented and well-known developers. Shopify will always hav… ★ 14 Shopify sponsors and collaborates with academia to take Ruby to new heights. We're working with Australian National University to integrate Memory Management Toolkit into Ruby. Earlier this year, we published a paper about it. Today, we wr… ★ 4 My #RailsWorld talk recording is up! https://youtu.be/9r0xmX0oK5Y?si=sT_vOrXRVsmnBT7N ★ 3

🐘 Community & instance

Home server
ruby.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 12 views per post.
📤Posts about 0.3× per week.

🕵️ Fake follower check

Estimated
75/100
Good Credibility score
92%
Real Real audience
Low Fake-follower risk
High Data confidence
  • Est. 92% real, active audience · Low fake-follower risk.
  • Engagement (~3.4% of followers engage each post) is around typical for Mastodon.
  • Verified account.
  • Established account (3+ years old).

Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.

💚 Brand affinity

Estimated

Brands Peter Zhu's audience is most likely to respond to — from detected sponsorships in this niche.

Shopify

About

Staff Developer at Shopify. 
Ruby core committer.
 Photography geek.

📸 Gallery

Frequently asked questions

How much does Peter Zhu charge for a sponsorship?
Peter Zhu hasn't published fixed prices yet. Send a proposal through SocialDB and agree terms directly — your payment is held in escrow until the work is approved.
How do I contact Peter Zhu for a brand deal or collaboration?
Send a paid deal or collab request right here on SocialDB — we notify Peter Zhu, and once they accept, your payment is held safely in escrow and released when the work is approved. You don't need to track down an email.
How many followers does Peter Zhu have?
Peter Zhu has 351 followers on Mastodon.

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