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Geertjan Wielenga Profile
Geertjan Wielenga

@GeertjanW

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Following
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910
Statuses
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Senior Director of Open Source Projects @AzulSystems @foojayio (https://t.co/YzSx31nwjo), Amsterdam Java User Group, @TheASF @NetBeans PMC Chair, and @Java_Champions.

Amsterdam, the Netherlands
Joined February 2009
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@GeertjanW
Geertjan Wielenga
8 months
Best of all worlds: @awscloud with #Java @AzulSystems, right in the @awsmarketplace. https://t.co/kMAgpm3443
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@VictorRentea
Victor Rentea
11 days
My 3 talks at @Devoxx Belgium were rated among the first 5 best of the week (by now). You were such an amazing crowd❀️! Have a wonderful rest of the conference! #devoxx
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@KoTurk77
Ko Turk
12 days
The Call for Papers for Voxxed Days Amsterdam 2026 is officially OPEN! 😎 Do you have the the knowledge, experience or have an idea to share to the #Java community? This is your chance! πŸ“… Date: April 1–2, 2026 πŸ“Œ Submit your proposal: https://t.co/RHpDTJepJi
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@foojayio
Foojay.io
18 days
Fourteen days have passed, and it is time for @miragemiko @OpenValue to present on Foojay a fresh collection of readings that could influence developments in the field of #artificial #intelligence! https://t.co/lRggxjUNMw
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foojay.io
Fourteen days have passed, and it is time to present a fresh collection of readings that could influence developments in the field of artificial intelligence.
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@AmsterdamJug
AmsterdamJUG
26 days
At #AmsterdamJUG, @TheDanicaFine @Snowflake learns that the SVB bank in the Netherlands names its sprints after, amongst others, famous women developers. :-)
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@mgrygles
Mary Grygleski
28 days
@vilojona @sebi2706 @arnokoehler @GeertjanW @starbuxman @prpatel @foojayio @antonarhipov @daviddryparry @simas_ch @BrianVerm @svenpet @christzolov Thank you @arnokoehler πŸ‘ What a fantastic conference by an amazing group of organizers!! Thanks again for having me β™₯️
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@foojayio
Foojay.io
30 days
An excellent 1st edition of @Ai4Devs yesterday in Amsterdam, thanks to @JoostKW @vilojona and many many others, including @starbuxman @prpatel!
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@Ai4Devs
AI4Devs
1 month
Amazing post event dinner β™₯️πŸ₯°πŸ₯° the atmosphere,.the vibe (not coding), the conversations is amazing . #ai4devs #ai #conference
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@mgrygles
Mary Grygleski
1 month
Amazing conference and this is only the first edition!! Thank you so much for having me @Ai4Devs @vilojona @GeertjanW @arnokoehler Joost Kaan-Wagenaar. I am looking forward to more amazing events in the coming years!!
@Ai4Devs
AI4Devs
1 month
Our friend @mgrygles in a packed room talking about event driven and multi agent architectures workflows at #ai4devs
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@JavaMUG
JavaMUG
1 month
JavaMUG is meeting tomorrow, but it's a happy hour at @LegacyFoodHall. We are meeting at 5:30pm, on the 2nd Floor at the Good View Bar. Come find me (@erikweibust) and @prpatel enjoying a beverage, talking Java, AI and our favorite beverage. More info on our Meetup or site!
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@VictorRentea
Victor Rentea
3 months
Meet me at @picnic for the next @AmsterdamJug meetup on the evening of September 4 in Amsterdam for a tour of the top REST API design pitfalls, collected with care from over 150 companies. Bring your friends (and your stories) to this after-hours brainstorm.
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@KadiGrigg
Kadi (Grigg) McKean
2 months
@TCoolsIT dropping knowledge tonight at the @AmsterdamJug #community
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@MaritvanDijk77
Marit van Dijk β˜•οΈπŸ₯‘
2 months
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@AmsterdamJug
AmsterdamJUG
2 months
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@dev2next
dev2next
2 months
Thinking of coming to dev2next? πŸš€ Make it more than just a conference. Colorado Springs is the perfect place to extend your trip into a vacation! Grow your skills. Grow your network. Grow your sense of wonder. Register now & plan your adventure! πŸŒ„ https://t.co/EcZgQVkg8o
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@foojayio
Foojay.io
2 months
On Foojay, @miragemiko @OpenValue discusses the trajectory of machine learning and his own insights and experiences, check it out:
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foojay.io
The future is not yet written and every moment is important.
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@AmsterdamJug
AmsterdamJUG
2 months
At Amsterdam #Java User Group, @li_haoyi shows how #Scala is to Mill as @groovylang is to @gradle. Your tool supports Scala? Then it supports Mill.
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@dev2next
dev2next
2 months
Want lower latency, faster throughput & better stability? Then attend @prpatel's session at dev2next, which dives into the key techniques for building scalable, high-performance Java apps πŸš€ https://t.co/gKrMVfK7bs 🎟️ https://t.co/EcZgQVkg8o πŸ™ŒCode JOIN-PRATIKP-50OFF = discount
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@RafaDelNero
Rafael del Nero
2 months
πŸš€ Fantastic news! I've published a FREE book with 50+ real-world #Java interview questions for mid/senior developers aiming for international jobs & top salaries. πŸŒπŸ’Ό πŸ’» Download now & start growing your career: #JavaChallengers #JavaCareer https://t.co/lRfhFs7dR9
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javachallengers.com
For intermediate and senior Java developers who want to work on international jobs Earning Top Salaries Java Challengers | All rights reservedTweetShareSharePin0 Shares
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@venkat_s
Venkat Subramaniam
3 months
Thanks to the @atlantajug for the inspiration and support for me to speak at the @jconfdominicana @vincentmayers and @prpatel are great examples of community builders.
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