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Bert Jan Schrijver

@bjschrijver.dev
1.3K followers 182 following 150 posts

CTO @OpenValue.eu, JUG leader @NLJUG.bsky.social. J-Fall/Spring organizer, @JavaChampions.bsky.social, @iSAQB.bsky.social, JavaOne rock star speaker, Duke’s choice award winner, Java/architecture/CD/DevOps.

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Bert Jan Schrijver @bjschrijver.dev · 05/03/2026
Today we're hosting another @isaqb.bsky.social Software Architecture Community NL meetup at the @openvalue.eu Utrecht office, with two talks about the intersection between software architecture and AI. Interested? Join the community at www.meetup.com/isaqb-nl/ !
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Bert Jan Schrijver @bjschrijver.dev · 22/08/2025
I'll be back on stage at @devoxx.com in Antwerp in October to present three sessions: a talk about software architecture, a serverless deep dive and a speaker coaching session. Hope to see you here!
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Bert Jan Schrijver @bjschrijver.dev · 06/02/2025
@rustam.no look what I found in the @openvalue.eu Munich office 😉
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Bert Jan Schrijver @bjschrijver.dev · 06/02/2025
On my way to Munich for a day with the @iSAQB.bsky.social foundation workgroup and a visit to the @OpenValue.eu Munich team! Less than 6.5 hours with a direct train from Utrecht - not bad!
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Bert Jan Schrijver @bjschrijver.dev · 12/12/2024
Works on my Mac M1 with OSX Sequoia 15.1.1! I did need to configure additional security settings to allow it to start, probably because the executable isn't signed:
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Bert Jan Schrijver @bjschrijver.dev · 06/12/2024
1k followers on this new "bird" already.. @bsky.app is taking off!
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Bert Jan Schrijver @bjschrijver.dev · 03/12/2024
Second talk at the @OpenValue.eu Utrecht meetup: @ceesbos.nl talking about solving issues with OpenTelemetry 👌🏻
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Bert Jan Schrijver @bjschrijver.dev · 03/12/2024
Meetup time at the @OpenValue.eu Utrecht office! First up: Jos Roseboom talking about Spring Modulith
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Bert Jan Schrijver @bjschrijver.dev · 08/11/2024
It’s a wrap! Thanks to all speakers attendees and the whole team for amazing @jfallconf! #jfall
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Bert Jan Schrijver @bjschrijver.dev · 11/10/2024
These pictures capture the essence of why I speak at conferences. And it's even better when friends join the fun 😆 Thanks @TCoolsIT, @BrianVerm, @JoostenRosanne and others for helping out with my #Devoxx session "Getting started with speaking"! 📷by the amazing @dDoutsiopoulos
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Bert Jan Schrijver @bjschrijver.dev · 10/10/2024
Had a great time presenting "Generic or specific? Making sensible software design decisions" for a full room at @Devoxx Belgium today. Missed it? Slides are here:
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Bert Jan Schrijver @bjschrijver.dev · 22/09/2024
Sunday mood 👌🏻
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Bert Jan Schrijver @bjschrijver.dev · 26/08/2024
The @nljug @jfallconf call for papers is open for 1 more week and closes on September 1st, end of day (CEST). If you haven't submitted a proposal yet, now is the time!
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Bert Jan Schrijver @bjschrijver.dev · 26/08/2024
As you can see, the @nljug @jfallconf program committee is having loads of fun reviewing all your excellent proposals - keep them coming ;-)
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Bert Jan Schrijver @bjschrijver.dev · 06/08/2024
Super happy to be back on stage at @Devoxx Belgium this year to present a talk on software design! Hope to see you there 😉
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Bert Jan Schrijver @bjschrijver.dev · 05/08/2024
Looks like I'll be back at @Devoxx BE this year to host a BoF session "Getting started with speaking" - awesome!
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Bert Jan Schrijver @bjschrijver.dev · 24/07/2024
.@jfallconf 2024 program committee kickoff - looking forward to crafting an awesome #jfall program with this team!
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Bert Jan Schrijver @bjschrijver.dev · 17/06/2024
Unwinding a bit after a long day 👌🏻
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Bert Jan Schrijver @bjschrijver.dev · 22/05/2024
First @TEQnationConf keynote: @headinthebox talking about LLMs as Neural Computers #TEQnation
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Bert Jan Schrijver @bjschrijver.dev · 22/05/2024
It’s @TEQnationConf time! @r_wieleman kicking it off 👌🏻
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Bert Jan Schrijver @bjschrijver.dev · 10/05/2024
Had an absolute blast at @DevoxxUK! Thanks to everyone involved in making this a memorable edition for me. Hope to be back again soon! 👋🏻 #DevoxxUK
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Bert Jan Schrijver @bjschrijver.dev · 09/05/2024
Just to confirm: the @DevoxxUK #DevRoxx party was boring. No smiles allowed 😂
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Bert Jan Schrijver @bjschrijver.dev · 08/05/2024
Had a great time at the #DevoxxUK pub quiz! Our team came in 3rd! But, in line with our team name, “we’re no strangers to loss” 😉
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Bert Jan Schrijver @bjschrijver.dev · 08/05/2024
It’s the amazing @royvanrijn on stage at #DevoxxUK, sharing his experiences competing in #1BRC
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Bert Jan Schrijver @bjschrijver.dev · 08/05/2024
Just spotted outside the @DevoxxUK venue… @simonbrown your car? 😂 #DevoxxUK
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Bert Jan Schrijver @bjschrijver.dev · 08/05/2024
When you’re speaking at @DevoxxUK on your birthday.. 🎂 😉 Congrats @berwout_dvr! 🎉 #DevoxxUK
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Bert Jan Schrijver @bjschrijver.dev · 07/05/2024
Team #Eurostar for #DevoxxUK 😉
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Bert Jan Schrijver @bjschrijver.dev · 20/04/2024
Playing a bit more with @QuarkusIO, @langchain4j and @ollama. Got 2 different models (orca-mini and phi) to engage in a conversation about software development in Java and whether to go for Spring or Quarkus as a web framework. Quite interesting to watch the conversation 😉
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Bert Jan Schrijver @bjschrijver.dev · 19/04/2024
Some pictures don’t need a caption 😁 #DevoxxGR
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Bert Jan Schrijver @bjschrijver.dev · 19/04/2024
Not fixing technical debt in time leads to technical death 😉 // @aahoogendoorn at #DevoxxGR
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Bert Jan Schrijver @bjschrijver.dev · 19/04/2024
Let’s ride the architect elevator with @ghohpe! #DevoxxGR
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Bert Jan Schrijver @bjschrijver.dev · 19/04/2024
Don’t confuse a lack of familiarity (with a codebase) with complexity - a non-familiar codebase is often mistakenly seen as more complex than it actually is, compared to more familiar codebases // @AdamTornhill at #DevoxxGR
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Bert Jan Schrijver @bjschrijver.dev · 18/04/2024
TIL that it’s possible in Oracle DB to create a JSON duality view via a GraphQL-like syntax that allow you to query/modify JSON data that id sorted a relational data. Looks quite convenient not having to map to/from JSON or Objects to a table #DevoxxGR
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Bert Jan Schrijver @bjschrijver.dev · 18/04/2024
.@aalmiray giving new meaning to presenting to a packed room.. the majority of the floor space is also taken 😅 #DevoxxGR
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Bert Jan Schrijver @bjschrijver.dev · 18/04/2024
It’s @DevoxxGR time! #DevoxxGR
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Bert Jan Schrijver @bjschrijver.dev · 10/04/2024
Look, it’s @JagoVreede sharing “Lessons learned using Machine Learning in Java” at @JavaLandConf 👌🏻 #JavaLand
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Bert Jan Schrijver @bjschrijver.dev · 10/04/2024
Just scheduled: the next meetup for the Dutch @iSAQB Software Architecture Community, aimed at exchanging software architecture experiences with peers. Join us on April 24th in Utrecht (NL) for two talks about cloud architecture!
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Bert Jan Schrijver @bjschrijver.dev · 09/04/2024
Watch out @JavaLandConf, here comes trouble 😅 Almost there! #JavaLand
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Bert Jan Schrijver @bjschrijver.dev · 04/04/2024
On my way to the @AmsterdamJug to present “Going serverless with Quarkus, GraalVM native images and AWS Lambda” - see you there? 😉
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Bert Jan Schrijver @bjschrijver.dev · 27/03/2024
TIL about : A maven plugin that allows you to check (or determine) the next version of your module, based on the rules of Semantic Versioning.
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Bert Jan Schrijver @bjschrijver.dev · 26/03/2024
At the @OpenValue meetup tomorrow, I'll present a brand new talk about a thing I've worked on on and off for the past couple of years: a serverless backend for the @nljug events app! I'll talk about (& demo) @QuarkusIO, @graalvm native images, @awscloud Lambda, DynamoDB & more!
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Bert Jan Schrijver @bjschrijver.dev · 13/02/2024
Meetup time! Tonight the second meetup of the @isaqb software architecture NL community takes place at the Kramp tech office in Utrecht. Interested?
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Bert Jan Schrijver @bjschrijver.dev · 26/01/2024
Just scheduled: the next meetup for the Dutch @iSAQB Software Architecture Community, aimed at exchanging software architecture experiences with peers. Join us on February 13th in Utrecht (NL) for talks by Kramp and @picnic!
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Bert Jan Schrijver @bjschrijver.dev · 19/10/2023
Second speaker for the @isaqb software architecture community today: @aahoogendoorn sharing his experiences with micro(service) architecture 👍🏻
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Bert Jan Schrijver @bjschrijver.dev · 19/10/2023
Full house for the inaugural @isaqb software architecture community NL meetup! Speaking tonight: @neal4d and @aahoogendoorn 👌🏻
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Bert Jan Schrijver @bjschrijver.dev · 06/10/2023
Final #Devoxx talk: @MSkarsaune talking about using flight recorder and Mission control for Java applications running in cloud environments
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Bert Jan Schrijver @bjschrijver.dev · 06/10/2023
I learned a new word from @vitalethomas at #Devoxx today 😉
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Bert Jan Schrijver @bjschrijver.dev · 06/10/2023
Next up at #Devoxx: @vitalethomas talking about supply chain security for Java applications
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Bert Jan Schrijver @bjschrijver.dev · 06/10/2023
Final day of #Devoxx! First up: @trisha_gee presenting “Are Your Tests Slowing You Down?” 👌🏻
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Bert Jan Schrijver @bjschrijver.dev · 05/10/2023
Lovely analogy by @simonbrown: software architecture diagrams are like Google maps where you can zoom in and out depending on the level of detail you need
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