Nils Röhrig
Software Engineer | Loql
Software Engineer | Loql
Köln, Germany
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Nils is a software engineer, speaker, trainer and author specializing in frontend development with a focus on Svelte. He started his career as a technical consultant with Questback before joining REWE digital in 2016. At REWE digital, he developed and maintained the e-commerce platform that powers their grocery delivery and pick-up services. In 2022, Nils joined Loql, where he is working on a B2B platform aiming to bring local food to every plate.
Nils ist Softwareentwickler, Redner, Trainer und Autor mit den Schwerpunkten Frontend-Entwicklung und Svelte. Er begann seine Karriere als Technical Consultant bei Questback, bevor er 2016 zur REWE digital wechselte. Dort war er an der Entwicklung und Pflege der hauseigenen E-Commerce-Plattform für den REWE Liefer- und Abholservice beteiligt. Im Jahr 2022 wechselte Nils zu Loql und arbeitet dort an einer B2B-Plattform mit dem Ziel lokale Lebenmittel auf jeden Teller zu bringen.
Area of Expertise
Topics
Clean Architecture for Web Developers
Web developers love building and talking about web stuff—whether it’s the latest framework, modern CSS tricks, or even training AI agents to code for them.
But when it comes to software architecture, the conversation is often missing. And that’s a problem—because good architecture makes everything else easier.
In this talk, I’ll share how to set yourself up for success by applying Clean Architecture principles to your next web app. You'll learn how to model your problem domain effectively, structure your code around it, and adapt your app’s core to any framework you choose.
JavaScript Days Munich 2026
Crashcourse Software Architecture for Web Developers
Half-day workshop on the fundamentals of software architecture. This was a german language session.
enterJS 2025
Neues aus der Svelte-Welt (News from the Land of Svelte)
An introduction to building web apps with Svelte 5. This was a german language session.
c`t webdev 2024
News from the Land of Svelte
An introduction to all the new features Svelte 5 introduced and a comparision of what they replace. This was an english language session.
Serverless Architecture Conference Berlin 2024
An Exploration of Serverless Full-Stack Development
A comparision of Cloudflare and Vercel to be used with a SvelteKit app. This was an english language session.
JavaScript Days Berlin 2024
Full-Stack Development with Svelte & SvelteKit (CF Edition)
Full-day hands-on workshop on building full-stack apps with Svelte and SvelteKit on the Cloudflare developer platform. This was a german language session.
enterJS 2024
SvelteKit Speedrun: Up and Running in 30 Minutes or Less
A pure live coding session where I built and deployed a working SvelteKit app from scratch in 30 Minutes. This was a german languages session.
JavaScript Days Munich 2024
Full-Stack Development with Svelte and SvelteKit
Full-day hands-on workshop on building full-stack apps with Svelte and SvelteKit. This was a german language session.
JavaScript Days Munich 2024 Warm-Up
Die Reaktive Offenbarung: Eine Einführung in Svelte (The Reactive Revelation: An Introduction to Svelte
A general introduction covering the basic properties and features of the Svelte UI framework. This was a german language session.
c`t webdev 2023
Building Dynamic Web Apps with SvelteKit and Firebase
Case study of how to use Firebase and SvelteKit effectively together. Co-Speaker Roman Abendroth, Loql. This was an english language session.
International JavaScript Conference
Edge Computing For Frontend Web Development
A introduction and code deep-dive on how to create web apps with SvelteKit on the Cloudflare developer platform. This was an english language session.
Web Apps with Svelte: A Practical Introduction
A full-day hands-on workshop of learning and building web apps with the Svelte UI framework. This was an english language session.
JavaScript Days Berlin 2023
Web-Apps mit Svelte: Ein praktischer Einstieg (Web Apps with Svelte: A Practical Introduction)
A full-day hands-on workshop of learning and building web apps with the Svelte UI framework. This was a german language session.
enterJS 2023
Living on the Edge — Web-Apps mit SvelteKit und Cloudflare Pages
A showcase on how to create web apps with SvelteKit on the Cloudflare developer platform. This was a german language session.
Web-Apps mit Svelte: Ein praktischer Einstieg (Web Apps with Svelte: A Practical Introduction)
A full-day hands-on workshop of learning and building web apps with the Svelte UI framework. This was a german language session.
JavaScript Days Munich 2023
Web-Apps mit Svelte: Ein praktischer Einstieg (Web Apps with Svelte: A Practical Introduction)
A full-day hands-on workshop of learning and building web apps with the Svelte UI framework. This was a german language session.
c`t webdev 2022
Einstieg in Svelte (Getting Started with Svelte)
A general introduction covering the basic properties and features of the Svelte UI-Framework. This was a german language session.
Living on the Edge — Web-Apps mit SvelteKit und Cloudflare Pages (Living on the Edge — Web Apps with SvelteKit and Cloudflare Pages)
A showcase on how to create web apps with SvelteKit on the Cloudflare developer platform. This was a german language session.
code.talks 2022
Living on the Edge — Web-Apps mit SvelteKit und Cloudflare Pages (Living on the Edge — Web Apps with SvelteKit and Cloudflare Pages)
A showcase on how to create web apps with SvelteKit on the Cloudflare developer platform. This was a german language session.
A recording is available here: https://youtu.be/nGfadGWyMjY?si=gsD1Yl-_mV3X5ut_
JavaLand 2022
Einstieg in Svelte (Getting Started with Svelte)
A general introduction covering the basic properties and features of the Svelte UI framework. This was a german language session.
enterJS Svelte Day
Einstieg in Svelte (Getting Started with Svelte)
A general introduction covering the basic properties and features of the Svelte UI framework. This was a german language remote session.
DigitalXChange 2019
Micro-Frontends im REWE Shop - Evolution eines Headers (Micro-frontends in the REWE Shop - Evolution of a Header)
A report on the history and evolution of the website header during the introduction of micro-frontends in the REWE Shop. This was a german language session.
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