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Open to opportunities in Zurich
Ioannis Krokos
Full-Stack Product EngineerI build and operate production software — from a hospitality SaaS running in 9 hotels to 400+ client websites delivered over 10 years.
Working with React, Next.js, TypeScript, and Node.js — backed by PostgreSQL, Supabase, and MongoDB in production.
About Me
I'm Ioannis Krokos, a full-stack product engineer. I design, build, and operate GuestSync, a multi-tenant hospitality SaaS running daily guest operations across 9 hotels in Mykonos — owned end-to-end, from architecture to client onboarding and support. Over the past decade at Webee Web Agency, I've also delivered 400+ responsive websites and modern applications, translating complex business requirements into robust technical solutions with React, Next.js, and TypeScript.
Zurich, Switzerland 🇨🇭 (from October 2026) · Mykonos, Greece 🇬🇷 · EU citizen — no visa sponsorship required
Greek (native) · English (fluent) · German (actively learning)
Community member at
ZurichJS
Cross-Industry Experience
Built solutions across hospitality, real estate, and e-commerce sectors, developing booking systems, payment integrations, and complex web applications.
Modern Tech Stack
Next.js, React, TypeScript, and Node.js, with PostgreSQL, Supabase, and MongoDB in production — supported by AI-assisted development workflows.
Team Collaboration
Proven track record of working with cross-functional teams, delivering scalable solutions from design to deployment while optimizing development workflows.
Skills & Tech Stack
Specialized in modern web technologies for building efficient, scalable, and user-focused applications.
Frontend Development
React, Next.js, TypeScript, Tailwind CSS
Modern user interfaces
Backend Development
Express.js, Node.js
Robust server-side architecture
Database Management
PostgreSQL, Supabase, MongoDB
Efficient data storage & retrieval
Proficiencies Overview
Category
Technologies
Frontend
React, Next.js, TypeScript, Tailwind CSS
Backend
Node.js, Express
Database
PostgreSQL, Supabase, MongoDB
Deployment & Cloud
Vercel, Railway, Cloudflare Workers, AWS
AI Tooling
Anthropic Claude, Cursor, Workers AI
TypeScript-first. React and Next.js in production, shipped weekly.
Experience & Resume
A decade of building digital solutions, collaborating with teams, and delivering results.
Full-Stack Developer
Webee.gr Web Agency • 2015 - Present
Built 400+ responsive websites across hospitality, real estate, and service industries. Developed complex booking systems, payment integrations, and 20+ modern web applications using Next.js, React.js, and PostgreSQL. Collaborated with cross-functional teams to optimize development workflows.
Frontend Web Developer
P.aR Publishing • 2013 - 2015
Developed responsive interfaces for 10+ client projects using HTML, CSS, and JavaScript. Contributed to CMS solutions and agile workflows.
Bachelor's Degree, Computing
University of East London • 2016 - 2019
Focused on software development, gaining foundational knowledge in programming, databases, and IT systems.
Looking for a Full-Stack Developer in Zurich?
I'm open to full-time roles and freelance projects. Let's talk about how I can help your team ship great products.