Web design & app development in Darmstadt

Websites & apps forDarmstadt.

I'm Marvin Hülsmann – web designer and Apple developer from Berlin. I design and build websites, landing pages and native apps for companies, freelancers and startups in Darmstadt and across Hessen.

Darmstadt is a science city, home to ESA's control centre and many software companies. For technically demanding products I'm the right person to talk to.

Based in
Berlin, remote for Darmstadt
Reply
within 24 hours
Apps on the App Store
3
Stack
Next.js · React · Swift · SwiftUI

Services

What I build for Darmstadt.

Web design & websites

Custom, responsive websites with Next.js and Tailwind – fast, accessible and optimised for Google. No page builder, no template.

App development for Apple

Native apps for iPhone, iPad, Apple Watch and Vision Pro in Swift and SwiftUI – from concept to release on the App Store.

SEO & local visibility

Technical search engine optimisation, structured data and performance so customers from Darmstadt find you on Google.

Consulting & support

Honest advice, clear quotes and support after launch. You always talk to me directly – no agency loops.

Why me

Personal instead of agency.

Working together

From Berlin – for Darmstadt.

Most of my projects run fully remote: video calls, a shared design board, transparent updates. For a kick-off or workshop I'm happy to come to Darmstadt in person.

01

One contact

Design, development and support from one person. Short paths, fast answers.

02

Apple developer

Several of my own apps on the App Store – for iOS, watchOS and visionOS. I know how products get finished.

03

Fair & transparent

Fixed quotes without hidden costs. You always know what you get.

04

Attention to detail

Typography, motion, load time – I build things that feel as good as they look.

Process

How we work together.

1

Intro call

We talk for 30 minutes about your idea, goals and budget. Free and without obligation.

2

Concept & design

Structure, content and a design that fits your brand – before a single line of code is written.

3

Development

Clean implementation with a modern stack, live preview links and quick feedback rounds.

4

Launch & support

Release, search engine setup and support afterwards. I stay reachable.

FAQ

Common questions from Darmstadt.

Do you also work on site in Darmstadt?+

Yes. Most collaboration happens remotely via video call, but for a kick-off, workshop or photos I'm happy to come to Darmstadt. I'm based in Berlin.

How much does a website in Darmstadt cost?+

It depends on scope and features. After a free intro call you get a fixed quote without hidden costs – for a landing page as well as for a multilingual company site.

How long does a project take?+

A landing page goes live within days, a complete website usually takes two to four weeks. Native apps take several weeks to months depending on scope. You see progress continuously.

Do you also build apps for companies in Darmstadt?+

Yes. I build native apps for iPhone, iPad, Apple Watch and Vision Pro in Swift and SwiftUI and guide you all the way to the App Store release.

Will my website be found on Google?+

Every website gets a clean technical foundation: fast load times, structured data, correct meta tags and mobile-first. Local visibility in Darmstadt is part of the plan from day one.

Also near Darmstadt

I work with businesses across Hessen and all of Germany.

See all cities

Next step

Ready for your project in Darmstadt?

Tell me briefly what it's about – I'll get back to you within 24 hours.