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Mateusz Muślewski
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Mateusz Muślewski

Web Developer / Visual Designer

I specialize in building high-performance websites with Next.js and producing dynamic video content. I deliver projects end-to-end — from Figma design, through production-ready code, to advertising campaign support.

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Latest

Projects

Selected work from recent years — from websites to video productions

Eventizer
Featured
Eventizer logo
Co-Founder & Web Developer
Eventizer
12/2025 - Present

An event platform connecting service providers — from DJs to wedding venues — with clients organizing events.

Next.jsPayloadCMSStripeFigmaTypeScript+4
  • •Co-founding and shaping the product vision of the platform
  • •Development of the service website in Next.js with PayloadCMS as the backbone
  • •Integration of Stripe payments and authentication for marketplace flows
View case study
Good Start
Video Editor
Good Start logo
Good Start
11/2025 - 12/2025

A nationwide social project by the Foundation for Youth Development, supporting education and life skills development for youth from educational care centers.

Premiere ProFigmaAI Tools
  • •Video post-production in Adobe Premiere Pro — from editing to final color grading
  • •Design of custom intro, outro, and branded title cards
  • +2 more...
Holisti
Visual Designer & Web Developer
Holisti logo
Holisti
09/2025 - 11/2025

An e-commerce store offering dietary supplements based on natural ingredients.

FigmaPremiere ProE-commerce
  • •Product graphics design in Figma for Anti Aging, Detox, Be Queen, and Good Night lines
  • •Video visualizations in Adobe Premiere Pro showcasing supplements
BioFloor
Web Developer
BioFloor logo
BioFloor
05/2025 - 06/2025

Manufacturer and distributor of modern sunflower bedding for poultry farms.

Next.jsFigmaSEO
  • •UI/UX design in Figma with focus on mobile responsiveness
  • •Website development in Next.js with performance and SEO optimization
Emotion Compass
Video Editor & Motion Designer
Emotion Compass logo
Emotion Compass
08/2025 - 10/2025

An educational initiative supporting mental health and social skills in elementary schools.

Motion DesignFigmaKdenlive
  • •Creation of 6 animated videos presenting educational content
  • •Visual identity design in Figma
  • +1 more...
Premium Perfumes
Visual Designer
Premium Perfumes logo
Premium Perfumes
07/2025 - 08/2025

An online store specializing in perfumes and fragrance products.

Social MediaMeta AdsPremiere Pro
  • •Social media content creation (Instagram, Facebook)
  • •Post design in Figma
  • +2 more...
Public Vocational University in Grudziądz
Web Developer
Public Vocational University in Grudziądz logo
Public Vocational University in Grudziądz
09/2024 - 11/2024

A state higher education institution offering practical and technical degree programs.

Next.jsFigmaUI/UX
  • •UI/UX design in Figma with clear information architecture
  • •Website development in Next.js with quick access to news and educational resources

Skills

Technologies and tools I work with daily

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Web Development
Next.js
Next.js
React
React
Payload CMS
Payload CMS
Node.js
Node.js
TypeScript
TypeScript
Prisma
Prisma
Shadcn UI
Shadcn UI
GitHub
GitHub
Vercel
Vercel
Tailwind CSS
Tailwind CSS
Design & Video
Figma
Figma
Adobe Premiere Pro
Adobe Premiere Pro
ElevenLabs
ElevenLabs
Suno
Suno
Midjourney
Midjourney
Freepik
Freepik

Education

My academic background and qualifications

High School Diploma
Completed
Sokrates International High School
2020 - 2024
English: Advanced
Completed
The Complete Full-Stack Web Development Bootcamp
Dr. Angela Yu • Udemy • 2023 - 2024
Udemy
In Progress1/3
Three.js Journey
Become a Three.js developer • Bruno Simon
Three.js Journey
After hours

About

Learn about my interests and what drives me

Interest 1

Artificial Intelligence

I'm passionate about new technologies and AI — constantly testing tools that are changing how we design the web and create video.

Interest 2

Motorcycles

In my free time, I enjoy riding my motorcycle, which helps me reset quickly and find new inspiration.

Interest 3

Martial Arts

I train Brazilian Jiu-Jitsu, which helps me build discipline and stay calm under pressure.

Contact

Have a project idea? I'd love to discuss collaboration

Location

Bydgoszcz, Poland