Our Tech Stack
We flexibly combine modern technologies depending on the project:
React
React Native
Angular
Spring Boot
C# .NET
PHP Laravel
Flutter
TypeScript
JavaScript
MySQL
PostgreSQL
Git & GitHub
Docker
HTML5 & CSS3
SEO & Numbers: How Good Websites Measurably Deliver More
Two real examples from our work
Fortunas Blumenboulevard
Flower shop – young website (~3 months)
9 customers in one week
€200 revenue per customer
~36 customers/month (projection)
~€7,200 revenue/month
Cinderella Gelinlik
Bridal fashion store – established website
+150% organic traffic
Significant revenue increase
From 15 to 45 monthly inquiries
Top Google visibility
Values are example KPIs based on realistic experience
References
Fortunas Blumenboulevard
Flower shop with SEO optimization, performance tuning, and UX improvements
Website besuchenCinderella Gelinlik
Bridal fashion website with Local SEO, backend integration, and modern design
Website besuchenWhy mercode?
~3 years successfully in the market
Multiple backend systems, ticket systems, internal tools & online shops realized
Focus on measurable results (leads, revenue), not just design
Remote-first: Meetings via Microsoft Teams
Quality, long-term partnerships, transparent communication
We understand your business: ROI instead of just code
Our Team
Marvin Schubert
Frontend Developer
Specialized in React & Angular, creates intuitive user interfaces.
Kasim Mermer
Founder & Backend Architect
Expert in Spring Boot and scalable system architectures.
Florian Müller
Full-Stack Developer
Versatile in frontend and backend, passionate about code quality.
Beyza Atasever
Design & UX/UI
Creates unique user experiences with a focus on aesthetics.
Frederick Dimter
Backend Developer
Expert in Java Spring Boot and RESTful APIs, delivers robust solutions.
Natalie Kutschka
SEO & Project Management
Manages projects and optimizes websites for maximum visibility.
Your Digital Agency in Cologne, Düsseldorf, Leverkusen & Dortmund
Professional web development and app development in NRW and Turkey
Website Development
Modern website development in Cologne, Düsseldorf, Leverkusen, Dortmund. Responsive web design, online shop, landing pages.
App Development
Mobile app development with Flutter & React Native. iOS and Android app development. Business apps for companies.
SEO Agency
Search engine optimization agency. SEO service provider for Cologne & Düsseldorf. SEO freelancer for measurable success.
Software Development
Business software for companies. Backend development, REST API, database. Ticketing system development.
🇩🇪 Deutschland
- Köln: Webdesign Köln, App entwickeln lassen Köln, SEO Agentur Köln
- Düsseldorf: Webdesign Düsseldorf, Webagentur Düsseldorf, SEO Agentur Düsseldorf
- Leverkusen: Website erstellen lassen Leverkusen, Webdesign Leverkusen
- Dortmund: App entwickeln lassen Dortmund, Website erstellen lassen Dortmund
🇹🇷 Türkiye
- Konya: Konya web tasarım, Konya SEO uzmanı, mobil uygulama geliştirme
- Istanbul: Istanbul web tasarım, kurumsal web sitesi, yazılım geliştirme
- Ankara: Ankara web tasarım, Ankara SEO uzmanı, kurumsal yazılım çözümleri
- İzmir: İzmir web tasarım, mobil uygulama yazılımı
- Antalya: Antalya web tasarım, e-ticaret sitesi
Web Designer Freelancer • Web Developer Freelancer • Flutter Freelancer • Java Spring Boot Freelancer • C# .NET Freelancer • Laravel Freelancer • App Developer Freelancer • SEO Freelancer
Ready for Your Next Project?
Let's take your digital presence to the next level together.
Contact Us Now