Who I am
As you probably already read, my name is Marc, and I live in Kempten (Allgäu).
My services include the development of websites, APIs, software as a service (SAAS), apps, enterprise applications and much more.
Web Performance Consulting
Web Performance is still one of the most underrated topics in web development. Even though it can help us, our companies and customers with their online business. It makes our websites more accessible for people with a slow network and has a significant impact on a sustainable internet.
Trusted by more than 50 customers in multiple countriesview more
I am a Frontend Architect with more than a decade of experience. You can hire me for any web development projects.
I’m working with VanillaJS, ReactJs and Angular as well as with testing frameworks, real-time libs, frontend build tools, web servers, serverless programming, Rust and much more.
If you are missing any mention here, reach out to me or check my FAQ section.
What customers are saying:
Marc is writing for our blog at DebugBear. His web performance knowledge helps us to deliver high-quality content to our users He has a strong technical background, and we are happy to recommend him as a web performance consultant.Matt Zeunert, Founder of DebugBear
Since I've been working with Marc Radziwill, my website has been at the forefront of SEO. I wouldn't have thought it possible what page speed, a clean web architecture and continuous page maintenance makes a difference. [...] Many thanks for the competent and reliable cooperation and the uncomplicated, direct line.Simon Schnetzer, Youth researcher | Speaker | Trainer
Marc and our company PAN.STREAM have been working together for several years in different projects. He realizes our individual projects to our complete satisfaction and advises us in IT matters. [...] Furthermore we benefit from his expertise as a web performance consultant in our projects.Christian Walitzek, CEO & Board
Marc has been supporting us professionally and up-to-date in the field of web development for three years. With his friendly and understandable advice, he makes development an easy and exciting topic within our projects. [...] We can recommend Marc at any time and will rely on his support for further projects.Thomas Herzhoff, Executive Director
We benefit from Marcs expertise as a web performance consultant also benefits from his many years of experience as a web developer. The performance analysis of our site that Marc did for us helped us to understand how we can quickly identify and efficiently resolve performance problems on our website. [...]Sebastian Steinack, Senior Business Analyst
Due to my many years of experience on different projects in many roles, I am regularly confronted with the challenges of large software- and design systems.
In my consulting, the following benchmarks are essential: scalability, reliability, implementation of best practices, ensuring technical viability and performance.
Your company is facing a significant migration, and you need help? Are you looking for a training opportunity for your development team?
How can you contact me?You can drop me a line, and I come back to you as soon as possible.
How high is my hourly rate / daily rate?
We negotiate my hourly or daily rate based on the services for which you book me. Please ask me directly, and we will talk about your project and the price without obligation.