Frontend engineer · Kolding, Denmark
I build fast, accessible frontends for e-commerce and SaaS. Right now I'm leading frontend for webshops in 20+ countries.
01 / About
I'm Thomas, a frontend engineer with a deep understanding of what drives a product. I've built everything from small web apps to webshops on a global scale that reach 1.4 million people a year, designing the UX and building the frontend. I've touched every part of the web, but my real passion is creating good, useful tools and experiences for the people who use them.
A lot! I've had my hands on the whole product cycle: campaign creation at a marketing level, DevOps and my own CI/CD, and server, domain and DNS administration.
Yes, for inspiration and for the trivial boilerplate we would copy from somewhere else anyway. What I avoid entirely is "vibe coding": mindlessly generating code.
I like running things from scratch to finish, solo or with a team. Linux servers, a bit of Photoshop and video editing, technical writing, and explaining code to people who don’t write it.
02 / Projects
01
Principal frontend engineer on the webshops for 20+ countries, reaching about 1.4 million users a year. I lead and mentor the frontend team, coordinate with backend and business developers, and write the e2e and unit tests. Joined as a developer in 2016.
02
Solo-built SaaS making social media monitoring accessible for founders and small teams. Brand monitoring set up in minutes, from idea to production.
03
SaaS turning Google Search Console data into actionable SEO insights and rank tracking. I design and build the full frontend experience.
04
Global game-key marketplace with instant delivery and real-time price tracking. E-commerce business I owned end to end from 2020 until it shut down in 2025.
05
Data-driven dashboards showing energy, water and CO2 consumption, turning complex data into something businesses could act on to cut their resource use.
06
AI-driven analytics for brands sponsoring streamers and esports: custom dashboards tracking logo exposure, plus the landing pages around them.
07
Website for one of Denmark’s largest quiz labyrinths. Five km of trails and quizzes for all ages, targeting families, schools, and companies.
08
Designed and built website plus webshop for a dessert café. Delivered on a tight deadline, from booking to launch.
09
Website for Denmark’s first licensed estate winery, focused on storytelling, tastings, and online sales.
10
Digital experience for a Danish distillery, focused on brand heritage, storytelling, and product presentation.
03 / Open source
I fix things in the tools I use every day, and send the fixes back upstream.
github.com/ThomasWT ↗Merged upstream contributions:
nuxt/nuxt✓ merged →
supabase/supabase✓ merged →
huggingface/transformers.js✓ merged →
unovue/inspira-ui✓ merged →
selemondev/spark-ui✓ merged →
antiwork/shortest✓ merged →6 repositories · all merged upstream
04 / Testimonials
“Transformed a non-functioning website”
Thomas has exceeded all expectations in our collaboration to get both the website and webshop up and running within the given deadlines. I would warmly recommend Thomas if you need help with your site.
Owner, Zig'is Dessertcafé
“Master in EVERYTHING”
He understands the challenges immediately and solves tasks quickly and efficiently. We have not yet had a task that was too big (or small) for Thomas. Huge recommendation from here.
Chairman & CCO
“A rare profile”
Thomas is a rare profile who manages both the social and professional aspects at a high level. A structured, competent, and fast-working "subject matter expert" who easily works across the entire breadth of the field.
Owner, Private Label
“Beyond all expectations”
Thomas has a solution-oriented professionalism and listened to our wishes and needs. The result was excellent and beyond all expectations. We can highly recommend a collaboration with Thomas Thomsen.
3D Artist, Zoom Films
05 / Contact
Vue, performance, side projects, or something you're building. Drop me a message.
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