🤝
Make a deal with Sebastian Stein 🇺🇦
🔒 Paid proposals held safely in escrow — released only when the work's approved.
Followers
351
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 Sebastian Stein 🇺🇦
📊 Post engagement
10
Avg engagement / post
2.8%
Engagement vs followers
Oct 2022
On Mastodon since
🔥 Top post: Let's see if #FediHire actually works 😉 I'm looking for a Fulls · 33 likes + reposts
📊 Activity & format
Posting cadence
0.1 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly text
Recent: 11 text · 1 image · 0 video.
Follower / following
0.7×
Follows 533 back. A more reciprocal / networked account.
Recent posts
View on Mastodon ↗
Ich habe mit #vifm mal wieder ein neues Texttool entdeckt: ein Dateimanager mit Vim Tastenkombinationen. Jetzt muss ich mir nur noch die merken...
https://sebstein.hpfsc.de/2026/05/31/vifm-dateimanager-fuer-das-terminal/
I started creating #PhotoAIdent, a local, privacy-first desktop application for AI-powered face recognition and photo search.
So far, I have created most of the code using coding agents such as Junie and #claudecode
The app is written in…
Impressive work making #Quarkus builds much faster: https://quarkus.io/blog/building-large-applications/
Photo post
Making ACM's scientific library available publicly is a significant step. When I was a PhD student many years ago, it was really a barrier to not being able to access papers of other researchers. https://dl.acm.org/openaccess #ACM #OpenAcc…
Ich habe ausprobiert, wie man eine typische Knobelaufgabe mit logischer Programmierung lösen kann: https://sebstein.hpfsc.de/2025/12/31/logische-programmierung/
#MiniZinc
Can someone explain to me what this announcement by Oracle means? Is this relevant at all if I have been using #GraalVM community edition to build native #Quarkus images? #java #JDK #OpenJDK https://blogs.oracle.com/java/post/detaching-gr…
In meinem Blogpost zeige ich an einem Beispiel, wie Bildgenerierung mit Diffusion Modellen funktioniert. Dazu nutze ich die Modelle FLUX.1 und #StableDiffusion 3.5 Large.
Die Generierung führe ich in #ComfyUI durch und gehe auch kurz drauf…
@costalfy It seems you are in an endless loop of posting the same spring pulsar announcement every few minutes.
I'm really happy that I spent a few hours installing #lineageos on my 5 years old Samsung Galaxy tablet. The device feels much more responsive. Also, no Samsung bloatware anymore and I got the latest Android version with all security updat…
Mit zunehmendem Alter gibt es kaum noch Texte in neuen Songs, die wirklich bewegen. Man hat einfach zu viele Liebeslieder, usw. gehört.
Bemerkenswerte Ausnahme ist dieser Song von Maeckes, mit einem Blick in die nahe Zukunft, was uns blüht…
Photo post
Making ACM's scientific library available publicly is a significant step. When I was a PhD student many years ago, it was really a barrier to not being able to access papers of other researchers. https://dl.acm.org/openaccess #ACM #OpenAcc…
Ich habe ausprobiert, wie man eine typische Knobelaufgabe mit logischer Programmierung lösen kann: https://sebstein.hpfsc.de/2025/12/31/logische-programmierung/
#MiniZinc
Can someone explain to me what this announcement by Oracle means? Is this relevant at all if I have been using #GraalVM community edition to build native #Quarkus images? #java #JDK #OpenJDK https://blogs.oracle.com/java/post/detaching-gr…
In meinem Blogpost zeige ich an einem Beispiel, wie Bildgenerierung mit Diffusion Modellen funktioniert. Dazu nutze ich die Modelle FLUX.1 und #StableDiffusion 3.5 Large.
Die Generierung führe ich in #ComfyUI durch und gehe auch kurz drauf…
@costalfy It seems you are in an endless loop of posting the same spring pulsar announcement every few minutes.
I'm really happy that I spent a few hours installing #lineageos on my 5 years old Samsung Galaxy tablet. The device feels much more responsive. Also, no Samsung bloatware anymore and I got the latest Android version with all security updat…
Mit zunehmendem Alter gibt es kaum noch Texte in neuen Songs, die wirklich bewegen. Man hat einfach zu viele Liebeslieder, usw. gehört.
Bemerkenswerte Ausnahme ist dieser Song von Maeckes, mit einem Blick in die nahe Zukunft, was uns blüht…
🐘 Community & instance
Home server
det.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
Oct 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 10 views per post.
📤Posts about 0.1× per week.
🕵️ Fake follower check
Estimated89/100
Excellent
Credibility score
99%
Real
Real audience
Low
Fake-follower risk
High
Data confidence
- Est. 99% real, active audience · Low fake-follower risk.
- Strong engagement (~2.8% of followers engage each post) — an active, real audience.
- Verified account.
- Established account (3+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
software engineer from #Berlin
#kotlin #java #quarkus #SpringBoot #fedi22 tfr
🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
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