@robbinbuilds

builder / founder - currently working on a new platform to support Europe’s next generation builders @ European Builders 🇪🇺

 Amsterdam, The Netherlands
day42.co
Joined February 2021
  • Tweets58
  • Following229
  • Followers49
7Media
Things are moving fast. And so is Europe 🏗️
Rick Bossenbroek@rickbossenbroekOct 3
I've never written a master thesis in my life but this surely feels like one: spending years on how, what, when.. and then suddenly the deadline and everything comes together in a short period of time. launching public soon @robbinbuilds 🇪🇺
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what’s the worst that could happen if you try to launch in hours in stead of weeks launch party, tonight, 20:30!! beers on us, dm for address
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I've never written a master thesis in my life but this surely feels like one: spending years on how, what, when.. and then suddenly the deadline and everything comes together in a short period of time. launching public soon @robbinbuilds 🇪🇺
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Robbin Jansen retweeted
Mollie Payments
@MolliePaymentsSep 24
It’s happening! We’re about to open the doors for Build Night at Mollie HQ. Builders, are you ready? 🔥
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Robbin Jansen retweeted
Mollie Payments
@MolliePaymentsSep 22
Two days to go 👀 @DAY42_ is bringing Build Night to Mollie HQ. Got an idea? Half-built side project? Bring it along. No pressure. Just building. luma.com/b5as845y
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Robbin Jansen retweeted
DAY42@DAY42_Jun 15
Our Build Nights grew from 15 signups to 260 signups over the last month. European Builders just need a great place to build, and we've found a great recipe that works. Which city should we visit by train? 📍Amsterdam to ...
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Landed a first sponsor package for @DAY42_ So, of course we ordered 40 "Ask Me What I am Building" T-shirts to give out to volunteers, team- and European Builders-community members Also, @Lovable supports the Build Night as well! 💜
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Robbin Jansen retweeted
DAY42@DAY42_May 27
Excited to partner again with @MolliePayments for the next Build Night in Amsterdam! More info & signup 👉 luma.com/day42
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yes !!
Rick Bossenbroek@rickbossenbroekMay 26
if you are a builder come to amsterdam between 17-20 of june you will LOVE it
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This was so good. Many thanks to @MolliePayments for having us - we’re just getting started 🇪🇺🏗️
Mollie Payments
@MolliePaymentsMay 22
Last Wednesday, our HQ was full of builders. People spent the evening building, exchanging ideas, helping each other out, and shipping in good company. The energy throughout the night was unmatched! Thanks to everyone who joined Build Night. Pictures by Tân Pham
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Robbin Jansen retweeted
Mollie Payments
@MolliePaymentsMay 8
Build Night is coming to Mollie⚡️ Our friends at @DAY42_ are hosting an evening for builders, founders, students and people who like making things. Join us for building, pizza and meeting like-minded people. 📍Mollie HQ, Amsterdam 📅 20 May, 5 PM CET 🎟️ luma.com/16av4qnq
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Robbin Jansen retweeted
DAY42@DAY42_May 8
We're hosting our next Build Night at @MolliePayments in Amsterdam. A low-key night for you to build on your idea and demo what you're working on. More info here 👇 luma.com/16av4qnq

Build Night #3 @ Mollie 📹 · Luma

UPDATE: Since there were a lot of people on the Waitlist, Mollie was so kind to open doors for DAY42/European Builders. We have a new location and we're…

luma.com
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Robbin Jansen retweeted
DAY42@DAY42_9 Sep 2025
last reminder to join us this friday luma.com/ds15fyfu
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Robbin Jansen retweeted
DAY42@DAY42_13 Aug 2025
Europe is stacked. Talent. Potential. And yet, we’re letting opportunities slip. The best people are leaving, and ideas are fading. We’re kicking off a new era. An era where Europe isn’t just "nice to visit", but the place to build.‍ Learn more at day42.co
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Robbin Jansen retweeted
DAY42@DAY42_6 Sep 2025
join our pre-season co-building next friday luma.com/ds15fyfu

Pre Season Co-Building @ HQ · Luma

next-generation european builders, unite! 🇪🇺 join us at the HQ for a casual and fun co-building session, a chance to meet like minded builders, test out…

luma.com
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we’re building something for the european builders out there no more waiting for permission. no more procrastinating. no more abondoned ideas. 6 weeks. one cohort. shared progress. me and @robbinbuilds kicking off at our amsterdam hq in sep🇪🇺 join: day42.co
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stop wasting time on the wrong ideas. use Ideafocus instead. 💡 (feel attacked yet? same.) 👇 a #buildinpublic thread on app 2/6 in my challenge.
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more replies
Introducing: Ideafocus 💡 a mobile-first tool for solo founders drowning in ideas but short on time. try it here: 👇👇👇 ideafocus.app/landing (optimized for mobile – add it to your home screen!)

ideafocus - stop working on ideas that nobody wants

ideafocus - stop working on ideas that nobody wants. estimate the potential of your ideas first by getting real market insights from online communities.

ideafocus.app
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powered by @MistralAI 🇪🇺🥖 even though V1 is still far from perfect i am already quite statisfied with the insights it gives. next up: more data sources & smarter comparisons. lmk what would make this truly useful for you! also: DM me if you want unlimited idea checks 💚
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