Available

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.

Start a project See work

Work with me

What I do

Websites, brand, and video — all from one place.

Web Development

·Next.js — fast & SEO-ready
·Bilingual (PL/EN)
·CMS so you can edit it

Learn more

Visual / Brand Design

·Brand identity & logo
·UI / design systems (Figma)
·Social & marketing assets

Learn more

Video & Motion

·Promo & product edits
·Motion graphics
·Short-form social

Learn more

Latest

Projects

Selected work from recent years — from websites to video productions

Featured

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

Web Developer & Visual Designer

Pol-Med

07/2025 - Present

Industrial B2B website for Pol-Med — UCO oils trade & collection, education stations, industrial tools. Next.js 16 with a polished silver-accent aesthetic.

Next.js 16Tailwind CSS v4Framer MotionTypeScript+6

•Designed and shipped the website in Next.js 16 with Tailwind CSS v4 and Framer Motion
•Three conversion engines: UCO Calculator, Education Tender Support Center, Tools Selector
+2 more...

Video Editor & Motion Designer

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...

Video Editor

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...

Visual Designer & Web Developer

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

Web Developer & Visual Designer

Ogrody Kryscar

05/2026 - Present

A professional gardening company — a complete Next.js 16 website with an interactive pricing calculator, a coverage map, and WebGL 3D graphics.

Next.jsThree.jsTailwind CSSFigmaEmail Server+6

•Designed and built the entire website in Next.js 16, React 19, and Tailwind CSS v4
•Built an interactive pricing calculator, a filterable service catalogue, and a coverage map
+2 more...