
Marco Otte-Witte
@marcoow
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Enabling companies to succeed with #rustlang, #svelte and #emberjs. Founder/Managing Director @mainmatter, host @euro_rust, co-host @emberfest
Munich, Germany
Joined March 2008
We’ve been working with teams to adopt ad-hoc preview/test environments for years at @mainmatter – hugely important for reaching peak productivity!
Shared test environments slow teams down. Ephemeral environments let you spin up isolated stacks, automate provisioning and kill them when done—cutting drift and speeding feedback. Read how to make the switch in our latest blog:
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Great insights from @marcoow on optimizing performance in Node applications without a costly rewrite. #Node #Rust #PerformanceOptimization
https://t.co/lrt2EOvGHb
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We’re thrilled to announce three new workshops added to the #EuroRust25 schedule, brought to you by @Jetbrains, @ Polar Signals and @codspeedhq! All three workshops are free, but spots are limited so make sure to register soon. More details in the thread 👇 #EuroRust #RustLang
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@jetbrains @codspeedhq @rustrover 🦀 Rust Performance Lab: Sharpening Your Instincts — Sponsored by @codspeedhq In this hands-on workshop, you’ll practice spotting and fixing slowdowns in your Rust code. We’ve all heard that “premature optimization is the root of all evil.” But sometimes the real evil is
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We’re thrilled to announce a new workshop added to the #EuroRust schedule, brought to you by @Wyliodrin! Details below👇 🦀 Edge AI with rust – Alexandru Radovici, Co-founder and CEO of @OxidOSauto In this hands-on workshop you will explore practical, real-world scenarios
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Rust Paris has partnered up with EuroRust and amo to host a get-together for all Rustaceans the evening before the conference. Join to connect with other Rust enthusiasts over talks, food and drinks. Rust Paris and amo are looking forward to seeing you there! 🦀 Register here 👇
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We published the full schedule on our website: https://t.co/MnAdPOxbZB Join us for two days of great talks, networking, friendly chatter about Ember, and a closing party! If you're thinking about coming and want to help keep EmberFest running, please consider buying a ticket
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Group diners where much more popular last year than we had thought – we're making many more reservations this year 🍕
🍽️ Group dinners are back at #EuroRust25! With more seats this time 😉 We’ve reserved tables at some of our favorite Paris restaurants so you can skip the hassle and just enjoy the evening with fellow Rustaceans. Got a spot in mind or a cuisine you’d love to try? We’re all
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Who wants #eurorust stickers (and can distribute them)? @euro_rust .org isn't too far away and we've been sending out some of our stickers for people to hand out at meetups they run or attend or in their companies. We still have a bunch left in my office and I'd rather send them
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RT @mainmatter: Svelte 5 is here! Join our 2-day remote workshop next week to learn from Svelte Maintainer Paolo Ricciuti how to learn the…
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"How do you reduce the price of something 1500%, sir? Can you walk us through that math?" Nobody asks.
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@mainmatter has trained developers on leveraging #rustlang in their #python in the hundreds now with great success. Next chance at @eurorust – join @algo_luca's workshop:
eurorust.eu
EuroRust is a 2 day conference for the European Rust community – October 9 & 10, 2025 – in Paris & online
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#Python on the surface and #rustlang under the hood for speed and stability is a great combination and becoming increasingly popular: "Rust becomes Python's performance co-pilot" –
thenewstack.io
Rust usage for Python extensions surged 22% in one year as developers choose memory safety and C-level performance over traditional approaches.
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#eurorust has always sold out since the first year and we have no intention to break the streak – get your ticket while they last (and before we switch to late bird pricing on Sep 1st or hold off until after to help us keep a balanced budget 💸)
EuroRust isn’t just talks all day, it’s a gathering of Rustaceans and Rustaceans-to-be. Four days in total—in Paris—full of everything Rust! We’ll have 30+ talks, hands-on workshops, a full impl Day, and side activities that take you out into the city with the community. That’s
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This year, we'll have a conference after the conference (and a whole lot of other side events) 🎉
#EuroRust25 will have a dedicated impl Day 🦀 Right after the main conference, join us at Stockly HQ in Paris for a full day of open hacking, sharing challenges, and building with the Rust community. Thanks to our friends at Stockly for hosting 🤗
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We're teaming up with #EuroRust25 as a media partner! Follow along for updates, speaker announcements, and more as we head to Paris this October. Stay tuned.
eurorust.eu
EuroRust is a 2 day conference for the European Rust community – October 9 & 10, 2025 – in Paris & online
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Today, we're announcing our first hosted infrastructure product: pyx, a Python-native package registry. We think of pyx as an optimized backend for uv: it’s a package registry, but it also solves problems that go beyond the scope of a traditional "package registry".
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