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You have the idea?

I have the code!

I'm specialized in developing state-of-the-art web & mobile apps with React, Next.js & AI. Let's build your next project.

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MY OFFERINGS

Services

Web Development

I'm building web applications that are fast, easy-to-use, and maintainable. You want to finish your project on time & budget, count on me!

AI & Automation

Unlock the power of AI. I build custom solutions to automate repetitive tasks and create intelligent features. Let's reduce costs, save time, and deliver a next-level experience to your users.

UI & UX Design

I simplify complex products into effortless experiences. Expect sharper usability and a scalable design system.

PHILOSOPHY & TECH-STACK

About me

Marek Vesely

Marek Vesely Software Developer and UI & UX DesignerMarek Vesely Software Developer and UI & UX Designer

I'm a full-stack software developer based in Vienna, Austria with now over 11 years of experience.

I can deliver applications end-2-end across a broad range of industries, use cases and devices.

I believe a great developer should be able to develop in any language and use any tool or framework.

Below are some of my favorite tools at the moment but I always choose the right technology based on the project needs.

React

NextJs

shadcn

TypeScript

Node.js

Firebase

GCP

AWS

Cloudflare

Python

MongoDB

Vercel

Figma

Supabase

GraphQL

PORTFOLIO EXAMPLES

My Work

ileaprep.com
Founder, Full-Stack Developer, UI/UX Designer
Full-Stack E-Learning Platform (ileaprep.com)
I founded and built the SaaS platform ileaprep.com to provide quality learning tools for test prep companies. I led the full product lifecycle, from designing the UI/UX in Figma to building a fast, user-friendly React frontend and architecting a scalable backend on Node.js and Google Cloud. The platform is now a successful commercial product with thousands of daily users.
Full-Stack, Next.js, React, Figma
UX & UI Design
Leadership & Product Development
Google Cloud Platform, Firebase
High-Converting Landing Page for Ed-Tech
Frontend Developer & UI/UX Designer
High-Converting Landing Page for Ed-Tech
I built a high-converting landing page for an online education provider, focusing on maximizing student enrollment. Using Next.js, I ensured top performance and SEO, while designing a clean, trustworthy UI to guide users. The final site is fast, responsive, and effectively converts visitors.
Landing Page Design & Optimization
SEO - Search Engine Optimization
CRO - Performance & Conversion Rate Optimization
Next.js, React, Figma, Vercel
AI Medical Imaging & Data Analysis System
Software Engineer, Data Engineer
AI Medical Imaging & Data Analysis System
I automated the Austrian Health Authority's manual medical data processing by building a new software pipeline. My role was to architect the secure, end-to-end system, including a robust SQL database for metadata management. The solution serves as a critical early warning tool, dramatically improving the speed and reliability of anomaly detection.
Python, SQL, MongoDB
AI, Computer Vision, Machine Learning
Solution Architecture & API Development
Medical Data Analysis & Visualization
AI-Powered Quality Control Dashboard
Full-Stack Developer, Machine Learning Engineer
AI-Powered Automated Quality Control
I replaced a client's inefficient manual quality control with an automated, AI-powered system. I built the entire solution: the machine learning model, the backend data pipeline, and a real-time React dashboard with a clear UI to visualize defects. This system eliminated manual checks and delivered instant quality insights.
React, Python, TensorFlow, SQL
AI, Machine Learning, Computer Vision
High-Performance Data Pipeline & Visualization
Manufacturing Quality Control & Inspection
Let's get your next project started!
Free Consultation
PAST CUSTOMERS

Trusted by

Mercedes-Benz.at customer logoAges.at customer logoSchneider Electric customer logoWorthington.cz customer logoXXXLutz.at customer logoBmedic.cz customer logoFH St. Pölten customer logoVienna University of Technology (TU)Edulio.cz customer logoEinfach MarketingMercedes-Benz.at customer logoAges.at customer logoSchneider Electric customer logoWorthington.cz customer logoXXXLutz.at customer logoBmedic.cz customer logoFH St. Pölten customer logoVienna University of Technology (TU)Edulio.cz customer logoEinfach MarketingMercedes-Benz.at customer logoAges.at customer logoSchneider Electric customer logoWorthington.cz customer logoXXXLutz.at customer logoBmedic.cz customer logoFH St. Pölten customer logoVienna University of Technology (TU)Edulio.cz customer logoEinfach MarketingMercedes-Benz.at customer logoAges.at customer logoSchneider Electric customer logoWorthington.cz customer logoXXXLutz.at customer logoBmedic.cz customer logoFH St. Pölten customer logoVienna University of Technology (TU)Edulio.cz customer logoEinfach Marketing
CLIENT TESTIMONIALS

What my clients say

Marek delivered a high-quality AI solution for our quality control. The real-time dashboard is intuitive and gives us instant, actionable insights, replacing our slow manual inspection process. Professional and efficient.
Thomas Delissen
Head of Quality, Industrial Manufacturing
Marek's ability to architect a clean, scalable solution for our complex needs was incredible. The platform he built is the backbone of our business, allowing us to flawlessly manage 120 teachers and 5,000 students.
Ondra Sivera
Bmedic.cz - CEO & Course Admin
Marek's ability to architect robust, secure systems is outstanding. He replaced a critical manual bottleneck for our sensitive medical data, dramatically improving the speed and reliability of our anomaly detection.
Horst Schödl
Project Lead @AGES.at
Marek's expertise in building intuitive, high-performance features was a game-changer. He transformed our communication by replacing our clunky forum with a fast, modern solution that our students love to use.
Lucie Markova
Edulio.cz - Founder & Teacher
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Marek Vesely - Software Developer & UI/UX Designer - Your digital partner for success in the digital age.