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.

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

I'm a full-stack software developer based in Vienna, Austria with now over 10 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

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

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

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

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!

PAST CUSTOMERS

Trusted by

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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