Portfolio

As of June, I will help co organize the Virtual Kotlin User Group on Meetup :). This is a monthly virtual Meetup where we share great content from all types of folks! https://www.meetup.com/virtual...
After speaking and organizing conferences many times, this time I get to help selecting the talks for the Dutch Java conference JFall this year! Super excited about that nice opportunity :).
I became a Google Developer Expert in Kotlin in December thanks to all of the content that I share about that great language that I love 😊 https://twitter.com/jlengrand/status/1471387192933199873
I wrote a short article about how cool GitPod is on the Dutch Java Magazine 😊. https://twitter.com/jlengrand/status/1522865269986799616
I became a Gitpod hero thanks to the content I create. Try out that awesome products that allows you to keep developing and reduce friction for people to try out your projects by running your IDE i...
At the DevFestLille, I gave my very first conference talk in French about Climate Change. " What can I do about climate change as a developer... and a human being? " Great conference, and lots of i...
At WeAreDevelopers Berlin, I gave a talk about #ClimateAction. You can find the slides over here : https://docs.google.com/presentation/d/1Sz11P1EC8XFHXQWmUSX5KKWYZv7fIj_Ft_31JQGj7fs/edit?usp=sharing
I gave a "introduction to Kotlin" workshop yesterday for about 50 people for the first time. Damn workshops are much more exhausting than I was expecting. This feedback made my day though 😊πŸ₯°.
Kotlin Data Classes, shallow copies and immutability Are #Kotlin data classes immutable? And does the copy method create shallow or deep copies of my class instances? Let's have a look together htt...
For the #kotlin Virtual User Group, I gave an online talk on "How to convince your company to start with Kotlin" followed by a panel on the same topic together ewith Paulien Van Alst, Urs Peter and...
Second edition of the DevRelSalon in Amsterdam, a Meetup dedicated to developer relations professionals. For this second edition, we were super glad to receive AurΓ©lie and Horacio, who told us thei...
Super glad to be a guest on the latest episode of Mackenzie Jackson's podcast! It was a first for me (and damn it's harder than expected XD), but I was super happy to discuss two topics I'm extreme...
Let's talk about Kotlin : PicoCLI I gave a talk in Nieuwegein about picoCLI and how to use it in Kotlin, together we live coded a small application to interact with the Star Wars API. https://www.m...
As part of the #kotlin room, I was able to give a talk at FOSDEM to just about 90 people. This was a version of my "A short introduction to picoCLI and CLI applications in Kotlin". You can find the...
I spoke at FOSDEM about #kotlin as part of the Friends of OpenJDK room to just over 100 people. This was a brand new talk about "Tips and tricks on getting Kotlin into your organization". The talk ...
Spoke about climate change at DevFest Norway. As part of DevFest Norway, I was asked to open the conference with my "what can I do about climate change as a developer ... and a human being" talk . ...
Spoke at JFall about the impact of climate change and what we can do about it as developers. "What can I do about climate change as a developer ... and a human being". https://www.youtube.com/watch...
Spoke at the JFall conference with an ignite session about "creating your own dream job, one step at a time". Ignite sessions are 5 minutes long, 20 slides, with each slide passing automatically af...
Became a #Kotlin Google Developer Expert! Thanks to Paulien van Alst for referring me 😊.
Wrote a blog post about the Duration API, which got out of experimental stage as part of the #Kotlin 1.6.0 release. https://lengrand.fr/measuring-time-and-durations-in-kotlin/
Wrote a blog post about Kover, the new #kotlin code coverage tool that got released with 1.6.0. https://lengrand.fr/kover-code-coverage-plugin-for-kotlin/
Speaking about picoCLI at JLove 26th June! AN INTRODUCTION TO CREATING CLI APPLICATIONS USING PICOCLI
Organizing SimpleWebConf, a conference dedicated to the light, fast web. First time organizing a conference from scratch, and we're amazed at how good our line up is for a first edition. So grateful!
Co-hosting Les Briques du Web, a biweekly podcast about the state of the web. Running the show with a lot of other great folks in French. The recordings are live on Twitch every other Tuesday at 12...
Runs the "We are Tech Meetups" ING meetup group, and grew it to over 3k members within 2 years. Channel can be found here.
Spoke at Javaland, a large Java conference. "Hey Google, bake me a new Java GitHub repository!"
Spoke at JFall 2020 and gave two talks, one of them even got ranked top talk of the conference! Recordings available here and here. β€’ A gentle introduction to picoCLI using the StarWars API β€’ The a...
Spoke at JFuture 2019, international speaker for the first time! "Hey Google, send 20$ to Mummy!"
Mentored a student as part of Hello Mentor, among other mentors from companies such as Uber.
Julien's Tech Bites is a podcast where we will learn about a specific #tech topic, one bite at a time! We will investigate a new subject from the ground up, with the help of two guests! Wanna learn...