🤝
Make a deal with Marcin Grzejszczak
🔒 Paid proposals held safely in escrow — released only when the work's approved.
Followers
725
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 Marcin Grzejszczak
📊 Post engagement
3
Avg engagement / post
0.4%
Engagement vs followers
Nov 2022
On Mastodon since
🔥 Top post: Good morning! If it's time for you to get your morning coffee ho · 4 likes + reposts
📊 Activity & format
Posting cadence
0.28 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly text
Recent: 12 text · 0 image · 0 video.
Follower / following
2.1×
Follows 352 back. A more reciprocal / networked account.
Recent posts
View on Mastodon ↗
How do you like the new stubborn.sh docs? docs.stubborn.sh your feedback is invaluable! #consumerdrivencontracts #springcloud contract
Another student has joined my workshops! If you want to benefit from the 200 usd discount just go here https://maven.com/toomuchcoding/java-microservices-with-spring and type in the TOOMUCHCODING promo code. Starting from tomorrow the disc…
Just blogged: "Is AI taking my job? Should I become a construction worker?". You can check it out at my blog here https://toomuchcoding.com/post/2026-01-10-ai-everywhere/ Let's have a chat about it!
I'm super happy to announce that my new workshops Java Microservices with Spring are live! ✨🚀 Read more about them here https://toomuchcoding.com/post/2025-12-17-new-course-is-live/ and please share 🙏 #java #Microservices #springframework
Hopefully you're having a great weekend! With your morning coffee If you could spare a few minutes to fill out the pre Java Microservices with Spring course I would be very grateful! maven.com/forms/bbafe1 #java #springframework
I’m shaping a practical course on Java + Spring microservices, built around real production challenges - service comms, metrics, tracing, resilience, and more.
If you’re working with microservices, what’s the biggest pain point you’d like …
I’m exploring a hands-on course on Java microservices with Spring-focused on real-world communication, observability, and reliability.
If you work with Java/Spring, I’d love to hear what challenges you’re facing.
Share your input: https://…
Have you ever had enough of how your business was treating your code and then was angry that features weren't delivered in time? I had enough of it 10 years ago and wrote a blog post about it! WDYT - has anything changed over the last deca…
I wrote this blog post 10 years ago... I was fed up with how the business was forcing the IT to take gigantic technical debt and then was angry that features weren't delivered in time 🤷♂️ WDYT - has anything changed over the last decade?…
New post: Micrometer Docs Generator - a hidden gem for generating observability docs straight from your source code. I walk through my documentation journey and show how to blueprint observations. https://toomuchcoding.com/post/2025-10-18-…
Another day, another post. This time about why in hashtag#SpringCloudContract 5 we're dropping the shaded module. https://toomuchcoding.com/post/2025-09-27-spring-cloud-contract-no-more-shade/ - please check it out and as usual provide fee…
🐘 Community & instance
Home server
fosstodon.org
A open-source software server — its members and audience skew toward that niche, so expect a community-aligned, engaged following.
✅ 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 0.3× per week.
🛡️ Audience credibility
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 (~0.4% 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.
About
Java Champion, author of Mockito books, video courses. Coauthor of #smarttestingpl. Making #springframework #micrometerio Observability, #springcloud Contract / Sleuth
🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
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