Milan Zeisler Portfolio Background

Milan Zeisler

Based in
Szeged, Hungary
Website
Developer

Trusted by previous partners

// Identity & Vision

Milan Zeisler

Hi, I'm Milan.
I build architecture
for complex
systems.

I build digital products
that bridge business & tech.

I have 6+ years of experience as a Freelance Business Owner and Full-Stack Developer. I don’t just write code; I architect scalable web solutions that align with real-world business goals.

From managing global clients at Wonderza Studio to engineering automated media pipelines for Electronic Music Hub, I thrive where technical complexity meets clear communication.

I like clarity.
I like systems.
I like when things make sense.

// Expertise

How I help
your business grow

I bridge the gap between technical complexity and business results. From custom calculators to infrastructure stability, I build tools that work.

High-Speed Web & Product Dev

I build SEO-optimized WordPress ecosystems and high-performance Astro sites with lifetime free hosting. I specialize in converting traffic into revenue through clean, fast architecture.

Astro
WordPress
Next.js
Shopify
E-commerce
Performance

Custom Logic & Business Tools

I turn complex business math into high-converting interactive tools. Whether it's a custom ROI calculator, pricing engine, or a Flutter mobile app, I build logic that works.

Calculators
Flutter
iOS/Android
JavaScript
API Design
Python

Infrastructure & Quality Assurance

I solve critical server errors and provide professional support to keep systems online. I implement automated E2E testing with Playwright to ensure your app never breaks on a user.

Playwright
E2E Testing
Server Support
Linux
Bug Fixing
Security

// Ecosystem

Venture Lab

I don't just build for clients; I engineer and maintain a network of digital platforms and service brands.

Founder / Lead Engineer

Wonderza Studio

Creative agency focusing on high-end digital experiences and brand systems.

Visit Site
Product Owner

Webcalculator.dev

A specialized platform for interactive business logic and lead-gen calculators.

Visit Site
Tech Lead

Electronic Music Hub

Engineering automated media pipelines and live-streaming infrastructure for global creators.

Visit Site

// Selected Work

Selected Projects

Handyman & Home Services Website
PROJECT / 01
Role: Web Developer

Handyman
& Home Services Website

Bold, call-driven website for a local handyman business with service pages, a service area map and a quote request form.

Exploration
Recipe & Food Blog
PROJECT / 02
Role: Web Developer

Recipe
& Food Blog

Content-rich culinary blog with searchable recipe categories and a clean reading experience.

Exploration
Infrastructure & Hosting Platform
PROJECT / 03
Role: Full-Stack Developer

Infrastructure
& Hosting Platform

High-performance corporate presence for an international hosting provider.

Exploration

// Nice to meet you

Beyond the portfolio

Milan Zeisler hobby

I'm curious about how things work, products, teams, technology, people. That curiosity is why I ended up in engineering, and why I keep trying to solve complex problems.

Outside of work, I recharge creatively. Some people relax with meditation. I refactor server configurations.

Location Szeged, Hungary • Digital Nomad • Remote Worldwide
Linguistics Hungarian (Native), English (Fluent)
Background IT Specialist (High School Degree) • 6+ years of self-taught Systems Architecture & Media Ops
Atypical hobby Electronic Music Hub founder – Managing social growth, FFMPEG live streaming, and content strategy
Tech Gear Akai MPK mini for MIDI production & experimenting with analog signal flows
Mental Fuel Deep-diving into literature and non-fiction – I'm a heavy reader
Now Playing Architecting low-latency streaming pipelines and exploring AI-driven media automation

How colleagues describe me

Systems thinkerCalm under pressureLogic-drivenProactiveCurious by defaultHigh-performance mindsetHonest to a fault

// Feedback

What clients say

“Milan is very proactive and keen to help, ready to find a solution and passionate about the project. Highly recommend to work with him.”

Renata

Client • Fiverr

“Very happy with the outcome. Milan was very nice and completed the order quickly. Thank you!”

Melanie

Client • Fiverr

“I am very satisfied. Milan pays attention to details, the code he delivered is very clean and easy to understand. Fantastic job, I will order more!”

Attila

Client • Fiverr

“Milan delivered a perfect, bug-free code with impressive attention to detail and expertise. Working with him was a breeze thanks to his quick responses and dedication. He truly went above and beyond. Highly recommend!”

michaelcaugh

United States • Fiverr

“Milan was by far the best freelancer I've ever worked with. He went above and beyond to make our project incredible. I will be using Milan again in the future 100%.”

traderpilot

Australia • Fiverr

“Milan was fantastic and created my vision. From start to finish he was patient, really helpful, knowledgeable and added some features I hadn't thought of to make it the best it could be.”

pinnaclefunding

United Kingdom • Fiverr

“He helped us out with a website that was down and fixed everything perfectly, not a simple job. Thank you.”

avrom123

United Kingdom • Fiverr

“Milan updated the website successfully and executed several fixes. Beyond this, he is a decent and selfless person in delivering his tasks.”

Client

Website maintenance • Upwork

“Always a pleasure with Milan. Reliable and patient. The journey continues…”

Client

Website maintenance • Upwork

Verifiable reviews: Fiverr · Upwork · Freelancer

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