Marcin Grzejszczak
@toomuchcoding.com
Java Champion. Working on observability and contract testing - Micrometer, Spring Cloud Contract.
You have still until Sunday to use the TOOMUCHCODING promo code to have 100$ off the Java Microservices with Spring workshop price! Check the agenda and register! maven.com/toomuchcodin...
Java Microservices with Spring by Marcin Grzejszczak on Maven
Learn how to do Java Microservices with Spring with the Spring Framework and Micrometer committer.
maven.com
January 16, 2026 at 11:35 AM
You have still until Sunday to use the TOOMUCHCODING promo code to have 100$ off the Java Microservices with Spring workshop price! Check the agenda and register! maven.com/toomuchcodin...
If you haven't read it always please check my latest blog about AI and IT toomuchcoding.com/post/2026-01... . What is your opinion on this topic?
Is AI taking my job? Should I become a construction worker? | Marcin Grzejszczak
Let's talk about AI and the future of IT - are we as developers redundant?
toomuchcoding.com
January 15, 2026 at 11:34 AM
If you haven't read it always please check my latest blog about AI and IT toomuchcoding.com/post/2026-01... . What is your opinion on this topic?
⏰ the time is ticking! You have still till Sunday to use the TOOMUCHCODING promo code to get 100$ off the price of the Java Microservices with Spring workshops. Check the link below and apply while you still can!
maven.com/toomuchcodin...
maven.com/toomuchcodin...
Java Microservices with Spring by Marcin Grzejszczak on Maven
Learn how to do Java Microservices with Spring with the Spring Framework and Micrometer committer.
maven.com
January 15, 2026 at 9:38 AM
⏰ the time is ticking! You have still till Sunday to use the TOOMUCHCODING promo code to get 100$ off the price of the Java Microservices with Spring workshops. Check the link below and apply while you still can!
maven.com/toomuchcodin...
maven.com/toomuchcodin...
Just a short reminder - maven.com/toomuchcodin... with the promo code TOOMUCHCODING you can get your seat at my workshops with a 100$ discount (last week it wass 200$). Grab a seat, it's going to be fun 😀 (and also the discount expires this Sunday so be quick!)
Java Microservices with Spring by Marcin Grzejszczak on Maven
Learn how to do Java Microservices with Spring with the Spring Framework and Micrometer committer.
maven.com
January 14, 2026 at 10:09 AM
Just a short reminder - maven.com/toomuchcodin... with the promo code TOOMUCHCODING you can get your seat at my workshops with a 100$ discount (last week it wass 200$). Grab a seat, it's going to be fun 😀 (and also the discount expires this Sunday so be quick!)
Reposted by Marcin Grzejszczak
Closing the latest chapter in my career. Actively looking to get started with the next one. If you’re looking for a seasoned developer for DevRel, DevOps, and/or engineering roles, let’s chat!
January 13, 2026 at 10:46 AM
Closing the latest chapter in my career. Actively looking to get started with the next one. If you’re looking for a seasoned developer for DevRel, DevOps, and/or engineering roles, let’s chat!
Reposted by Marcin Grzejszczak
tracing 1.7.0-M1 has been released!
Check out the changelog at https://github.com/micrometer-metrics/tracing/releases/tag/v1.7.0-M1
Check out the changelog at https://github.com/micrometer-metrics/tracing/releases/tag/v1.7.0-M1
January 13, 2026 at 5:08 AM
tracing 1.7.0-M1 has been released!
Check out the changelog at https://github.com/micrometer-metrics/tracing/releases/tag/v1.7.0-M1
Check out the changelog at https://github.com/micrometer-metrics/tracing/releases/tag/v1.7.0-M1
Reposted by Marcin Grzejszczak
micrometer 1.16.2 has been released!
Check out the changelog at https://github.com/micrometer-metrics/micrometer/releases/tag/v1.16.2
Check out the changelog at https://github.com/micrometer-metrics/micrometer/releases/tag/v1.16.2
January 12, 2026 at 8:28 PM
micrometer 1.16.2 has been released!
Check out the changelog at https://github.com/micrometer-metrics/micrometer/releases/tag/v1.16.2
Check out the changelog at https://github.com/micrometer-metrics/micrometer/releases/tag/v1.16.2
I have reached 50 subscribers to my newsletter! Yay!!! Thank you so much and see you with issue #5 on Saturday. Subscribe here toomuchcoding.com/contact
Contact | Marcin Grzejszczak
Get in Touch Want to connect with me? 👉 Suscribe to the newsletter, schedule a free consultation, send me an email, or reach out on social media. Newsletter! If you’d like new posts by email,…
toomuchcoding.com
January 12, 2026 at 5:57 PM
I have reached 50 subscribers to my newsletter! Yay!!! Thank you so much and see you with issue #5 on Saturday. Subscribe here toomuchcoding.com/contact
I'm speechless... I would never have thought that quite a lot of nationalities could be interested in what I'm writing about on my toomuchcoding.com blog. This is absolutely crazy! Thank you so much and remember that I have a newsletter that you can subscribe to here toomuchcoding.com/contact
January 12, 2026 at 2:44 PM
I'm speechless... I would never have thought that quite a lot of nationalities could be interested in what I'm writing about on my toomuchcoding.com blog. This is absolutely crazy! Thank you so much and remember that I have a newsletter that you can subscribe to here toomuchcoding.com/contact
It's fantastic to see yet another project pick #micrometerio as the entry point to their observability story! I'm so proud to have co-authored the observation api. Remember: "instrument once and have multiple benefits out of it" hc.apache.org/httpcomponen...
Apache HttpComponents – Observability (Micrometer / OpenTelemetry)
Since 5.6, HttpClient ships an optional module, httpclient5-observation, that plugs straight into Micrometer (metrics + observations) and can bridge to OpenTelemetry (traces). The goal is simple:…
hc.apache.org
January 12, 2026 at 6:44 AM
It's fantastic to see yet another project pick #micrometerio as the entry point to their observability story! I'm so proud to have co-authored the observation api. Remember: "instrument once and have multiple benefits out of it" hc.apache.org/httpcomponen...
Just ~4 more hours for the 200 usd discount on the Java Microservices with Spring workshops. The clock is touching! Use the promo code TOOMUCHCODING here while you can maven.com/toomuchcodin...
Java Microservices with Spring by Marcin Grzejszczak on Maven
Learn how to do Java Microservices with Spring with the Spring Framework and Micrometer committer.
maven.com
January 11, 2026 at 7:24 PM
Just ~4 more hours for the 200 usd discount on the Java Microservices with Spring workshops. The clock is touching! Use the promo code TOOMUCHCODING here while you can maven.com/toomuchcodin...
Another student has joined my workshops! If you want to benefit from the 200 usd discount just go here maven.com/toomuchcodin... and type TOOMUCHCODING promo code. Starting from tomorrow the discount will be lower!!!
Java Microservices with Spring by Marcin Grzejszczak on Maven
Learn how to do Java Microservices with Spring with the Spring Framework and Micrometer committer.
maven.com
January 11, 2026 at 3:58 PM
Another student has joined my workshops! If you want to benefit from the 200 usd discount just go here maven.com/toomuchcodin... and type TOOMUCHCODING promo code. Starting from tomorrow the discount will be lower!!!
Yesterday, I sent issue #4 of the toomuchcoding newsletter! If you want to sign up subscribe here toomuchcoding.com/contact/
January 11, 2026 at 11:46 AM
Yesterday, I sent issue #4 of the toomuchcoding newsletter! If you want to sign up subscribe here toomuchcoding.com/contact/
Final reminder that tomorrow 11.01 at the end of the day cest the promo code TOOMUCHCODING expires and you won't be able to get the 200$ discount anymore. Check maven.com/toomuchcodin... and register with the discount while you still can!
Java Microservices with Spring by Marcin Grzejszczak on Maven
Learn how to do Java Microservices with Spring with the Spring Framework and Micrometer committer.
maven.com
January 10, 2026 at 6:23 PM
Final reminder that tomorrow 11.01 at the end of the day cest the promo code TOOMUCHCODING expires and you won't be able to get the 200$ discount anymore. Check maven.com/toomuchcodin... and register with the discount while you still can!
A funny note: do you know that I was a guest at a big polish radio programme? I wasn't talking about IT. I'm a founder of a Koło Gospodyń Wiejskich (Circle of Rural Housewives?) and I was talking about it 😀 audycje.tokfm.pl/gosc/23946,M... and this is our website kgwolszanki.pl
Marcin Grzejszczak - Podcasty Radia TOK FM
Marcin Grzejszczak - Gość audycji Radia TOK FM. Posłuchaj audycji: Otwarta Kuchnia.
audycje.tokfm.pl
January 10, 2026 at 2:52 PM
A funny note: do you know that I was a guest at a big polish radio programme? I wasn't talking about IT. I'm a founder of a Koło Gospodyń Wiejskich (Circle of Rural Housewives?) and I was talking about it 😀 audycje.tokfm.pl/gosc/23946,M... and this is our website kgwolszanki.pl
Just blogged: "Is AI taking my job? Should I become a construction worker?". You can check it out at my blog here toomuchcoding.com/post/2026-01.... Let's have a chat about it!
Is AI taking my job? Should I become a construction worker? | Marcin Grzejszczak
Let's talk about AI and the future of IT - are we as developers redundant?
toomuchcoding.com
January 10, 2026 at 12:24 PM
Just blogged: "Is AI taking my job? Should I become a construction worker?". You can check it out at my blog here toomuchcoding.com/post/2026-01.... Let's have a chat about it!
Hands-on Java microservices with Spring workshop:
dependency management, resilient communication, observability - the stuff that breaks in prod.
$200 early discount ends 11.01
👉 buff.ly/ytnTF1d
Small group. Practical focus.
dependency management, resilient communication, observability - the stuff that breaks in prod.
$200 early discount ends 11.01
👉 buff.ly/ytnTF1d
Small group. Practical focus.
Java Microservices with Spring by Marcin Grzejszczak on Maven
Learn how to do Java Microservices with Spring with the Spring Framework and Micrometer committer.
maven.com
January 8, 2026 at 11:07 AM
Hands-on Java microservices with Spring workshop:
dependency management, resilient communication, observability - the stuff that breaks in prod.
$200 early discount ends 11.01
👉 buff.ly/ytnTF1d
Small group. Practical focus.
dependency management, resilient communication, observability - the stuff that breaks in prod.
$200 early discount ends 11.01
👉 buff.ly/ytnTF1d
Small group. Practical focus.
I have a great graphic designer that is looking for a job. Anyone looking for a Rockstar to hire? :)
January 7, 2026 at 6:13 PM
I have a great graphic designer that is looking for a job. Anyone looking for a Rockstar to hire? :)
Reposted by Marcin Grzejszczak
For all interested in old newspapers. A bit longer piece on motivation behind building my own tool for exploration of old newspapers + release of app to manage historical street names and their mappings to modern ones: "Introducing NEP and the release of streets-editor" dudczak.info/ad/2025/12/2...
Introducing NEP and the release of streets-editor
Long intro aka Product Pitch
dudczak.info
January 7, 2026 at 1:22 PM
For all interested in old newspapers. A bit longer piece on motivation behind building my own tool for exploration of old newspapers + release of app to manage historical street names and their mappings to modern ones: "Introducing NEP and the release of streets-editor" dudczak.info/ad/2025/12/2...
Reposted by Marcin Grzejszczak
I've released my new track: "A New Hope", now available on SoundCloud
Turn it up, close your eyes, and drift 🖤🌌
#Trance #TranceFamily
soundcloud.com/rflktd/a-new...
Turn it up, close your eyes, and drift 🖤🌌
#Trance #TranceFamily
soundcloud.com/rflktd/a-new...
A New Hope
German music producer RFLKTD started making electronic music since the late 90's. He takes his adventures in music to the next level with immersive breakdowns and breathtaking atmospheres. His product
soundcloud.com
January 6, 2026 at 6:30 PM
I've released my new track: "A New Hope", now available on SoundCloud
Turn it up, close your eyes, and drift 🖤🌌
#Trance #TranceFamily
soundcloud.com/rflktd/a-new...
Turn it up, close your eyes, and drift 🖤🌌
#Trance #TranceFamily
soundcloud.com/rflktd/a-new...
Thanks everyone who joined my yesterday's presentation about Internal Developer Platforms, and thank you for the conversation after it! If you want to check it out you can find the link here maven.com/p/d2e0b7/bus...
Business won't wait, the platform won't either
Business expects fast, reliable delivery of value, while infra is often seen as slow cost center. Understanding how platform teams work lets engineers and leaders scale delivery, reduce risk and…
maven.com
January 6, 2026 at 3:24 PM
Thanks everyone who joined my yesterday's presentation about Internal Developer Platforms, and thank you for the conversation after it! If you want to check it out you can find the link here maven.com/p/d2e0b7/bus...
We're going live with the presentation in 5 minutes! You can still join here maven.com/p/d2e0b7/bus...
Business won't wait, the platform won't either
Business expects fast, reliable delivery of value, while infra is often seen as slow cost center. Understanding how platform teams work lets engineers and leaders scale delivery, reduce risk and…
maven.com
January 5, 2026 at 4:57 PM
We're going live with the presentation in 5 minutes! You can still join here maven.com/p/d2e0b7/bus...
⚡ Almost time
In just over an hour, I’m going live to break down how platform teams can unlock real velocity and revenue - with a real case study.
Doors close soon. Join while you still can 👇
👉 maven.com/p/d2e0b7/bus...
In just over an hour, I’m going live to break down how platform teams can unlock real velocity and revenue - with a real case study.
Doors close soon. Join while you still can 👇
👉 maven.com/p/d2e0b7/bus...
Business won't wait, the platform won't either
Business expects fast, reliable delivery of value, while infra is often seen as slow cost center. Understanding how platform teams work lets engineers and leaders scale delivery, reduce risk and…
maven.com
January 5, 2026 at 3:42 PM
⚡ Almost time
In just over an hour, I’m going live to break down how platform teams can unlock real velocity and revenue - with a real case study.
Doors close soon. Join while you still can 👇
👉 maven.com/p/d2e0b7/bus...
In just over an hour, I’m going live to break down how platform teams can unlock real velocity and revenue - with a real case study.
Doors close soon. Join while you still can 👇
👉 maven.com/p/d2e0b7/bus...
🚨 TODAY | 6 PM (GMT+1) 🚨
Final reminder: live session on platform teams + a real-world case study on turning platform investments into faster delivery and real business impact.
Starts in a few hours - join now 👇
👉 maven.com/p/d2e0b7/bus...
Final reminder: live session on platform teams + a real-world case study on turning platform investments into faster delivery and real business impact.
Starts in a few hours - join now 👇
👉 maven.com/p/d2e0b7/bus...
Business won't wait, the platform won't either
Business expects fast, reliable delivery of value, while infra is often seen as slow cost center. Understanding how platform teams work lets engineers and leaders scale delivery, reduce risk and…
maven.com
January 5, 2026 at 10:00 AM
🚨 TODAY | 6 PM (GMT+1) 🚨
Final reminder: live session on platform teams + a real-world case study on turning platform investments into faster delivery and real business impact.
Starts in a few hours - join now 👇
👉 maven.com/p/d2e0b7/bus...
Final reminder: live session on platform teams + a real-world case study on turning platform investments into faster delivery and real business impact.
Starts in a few hours - join now 👇
👉 maven.com/p/d2e0b7/bus...