Alexandre Plennevaux
I build for the web, and help others dare to.
The Gist
I build for the web. As a Growth Engineer, if it helps the company grow, I build it. Mostly the machinery behind our inbound and outbound marketing: the website, data workflows and automations, and lately, AI-assisted tools for our go-to-market teams.
I didn’t start there. I graduated in translation 30 years agoin the 20th century!. I loved computers, but in a family more at home with psychology and education, nobody pictured that as a career(me included). Life brought me to the web anyway, and I taught myself, project after project, what I needed to make it my home and playground.
Plenty of people have decided tech isn’t for them. I enjoy proving them wrong(gently): with tools that lower the barrier, and workshops where they find out they can.
Latest example: a Claude plugin that lets my non-tech colleagues use a real software development workflow to build AI skills, without the strain of learning git.
Before AppTweak, I spent years designing how people learn tech: with project-based role-plays at HEAJ, and as the main pedagogical designer of BeCode’s coding bootcamps.
Path
Growth Engineer — AppTweak (2022–now)
- Build and look after the company website and its CMS.
- Build the tools and automations behind inbound and outbound marketing.
- Prototype AI-assisted tools for the go-to-market teams.
- Help non-tech colleagues build and share AI skills with a lightweight development workflow, through a Claude plugin and hands-on workshops.
- Contribute to AI governance: making sure the company’s AI know-how is reviewed, shared and owned by the company, encouraging co-creation processes, and avoid the silo effect, without slowing anyone.
Head of Pedagogy — BeCode (2017–2022)
- Main pedagogical designer of the coding bootcamps: turned years of project-based teaching into a method for growing people fast.
- Grew the coaching team from 6 to 35 across five Belgian cities.
- Together we helped hundreds of career changers become developers, many of them refugees or long-term unemployed.
Research Coordinator — Visionary (2014–2017)
- Coordinated research on making the web usable for colour-blind people.
Teacher, Web Usability, Development, Visual Communication & Project Management — HEAJ (2009–2016)
- Ran two-week role-play workshops in which 3–4-person student “agencies” delivered a real product.
- Kept theory short, TED-talk style, and let projects do the teaching.
Contact
Need something built, or a team that wants to feel at home with technology? Let’s talk.
Things I made
Things I built on my own time. Mostly for the open social web, and because I can’t help it.
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PDS Grandperspective
Visualize any ATmosphere user's data using a Tree Map view, a la GrandPerspective.
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ATmentions
Webmentions for the ATmosphere — a tiny open-source widget that shows how the atproto network reacted to any page, with no accounts and no lock-in.
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Bluesky List Manager
Curate Bluesky lists without the busywork. Insights and powerful tools to grow your curated lists — no signup, no tracking, works with any AT Protocol PDS.
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img ALT text Generator
A free online tool that uses AI to generate descriptive, accessible and contextually relevant alternative text for images — making web content more inclusive and improving SEO effortlessly.
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CacheBuster!
A Chrome Extension to clear cache, cookies, localStorage, and more for the current tab's website in one click.
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math.r
Math.r: A Progressive Web App/ game to improve your math skills by solving increasingly difficult math calculations. Built using Svelte.
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YURLS : Find your urls easily
A Chrome Extension to help you find your bookmarks easily and with style.
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Visionary
Coordination of a UX Research on web accessibility for people with colour blindness (Terminated)
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That's The Spirit!
A collection of great quotes from art, design, literature, philosophy.
Writings (10 articles)
Like you(I guess), I am constantly being talked to on this web-wide world of ours.
Sometimes, I talk back.
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Constructivism as a teaching strategy
How to make your teaching more engaging and fun for your learners: give them the microphone as often as possible.
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Constructive assertiveness
Tips on how to communicate assertively and not aggressively, so that conflicts lead to constructive discussions.
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3 questions to help you (and your team) prioritize
A simple communication method based on SUN (Scope, Urgency, Need) to help prioritize.
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How to deploy a Sapper PWA on GitHub Pages
A quick and easy tutorial on how to deploy a PWA made with Sapper & Svelte on GitHub Pages.
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Gamifying a coding bootcamp: the BeCode LUX
Here is a system I designed and implemented to gamify the trainings at BeCode and boost learners' employability, all based on OpenBadges.
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The easy way to turn a website into a Progressive Web App
Here is a tutorial describing how to turn any website into a Progressive Web App.
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After the golive.
Personal notes on how to build long-term relationships with clients
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Designing from the outside, looking in.
Findings of an onsite usability testing with end-users, followed with an interview.
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Comprendre le daltonisme.
What I found out about colour blindness thanks to our UX research. In French.
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The Reductionist Manifesto
An approach to interaction design that acknowledges that human attention is a rare resource, because of cognitive overload and a rapid evolution towards shorter attention spans.
Notes (13 Notes)
If you are interestedeven mildly in what goes on in my life / mind beyond work, I also have these notes...
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Bluesky: Decentralization Done Right
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X is a dump. Long live Bluesky 🦋
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How to save democracy from itself?
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We Need To Stop Calling Entertainers ‘Artists’
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BTCONF was 🤩🤪🚀 awesome
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Fatigué
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Automate deployment using GitHub hooks
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Helping your team become more focused
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Progressive Enhancement is non-negotiable.
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A new turn
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Tooth fairy
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Ode to the prototype
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The 5 dysfunctions of a team
The spirit.
Okay, that's about it! Let's finish with some stuff for your brain's left hemispher...
― Daphne Rose Kingma
Holding on is believing that there’s only a past; letting go is knowing that there’s a future.
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