Who I am
My name is Marc.
I live in Kempten (Allgäu) and since 2012 I am working as a freelance consultant for web performance, web sustainability and as a web developer.
My areas of expertise are web performance and sustainable ecological digitization / green IT in companies. In my work, I make my customers' digital products more sustainable and faster, which improves business results and accessibility.
I also give talks and workshops on the topics of web performance, accessible internet and sustainable ecological web development.
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 countries intersectionview more
How ecologically sustainable is a site? Why is this important, and how can a page be programmed sustainably in a cost-effective manner. Digital technologies are currently responsible for 4% of global greenhouse gas emissions, and our websites are getting bigger and bigger.
A sustainable site saves server costs and contributes to environmental protection. A switch to a more environmentally-friendly site is also possible without any restrictions. We have a social responsibility to keep our digital footprint as low as possible. In addition, sustainable websites are also more efficient and thus stimulate online business.
I am a Frontend Architect with more than a decade of experience. You can hire me for any web development project.
I'm working with VanillaJS, ReactJs, Angular, 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 developed my website, patiently answered all my questions, and reliably take care of all technical matters that required programming. As an expert for web performance, he has optimized the speed of my very visually powerful website and continues to look after it for all technical problems and questions. He is a competent contact person for all IT questions and the web developer to trust. I'm looking forward to the next projects together!Britta Raab, Inhaberin
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
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.