I’m Ioannis Krokos, a full-stack product engineer with 12+ years of experience building and scaling web products for hospitality and real estate. Since co-founding my SaaS business in 2015, I’ve delivered 500+ web solutions and shipped end-to-end platforms—designing architecture, building booking and payments flows, integrating APIs, and making sure everything is reliable in production. I focus on pragmatic engineering that translates into business outcomes: improving user experience and conversions, reducing customer support load, and optimizing performance and SEO. I also enjoy enhancing the development process with AI-assisted tooling and modern cloud workflows, from Vercel/AWS deployments to CI/CD pipelines—so teams can move faster without compromising quality.

Ioannis Krokos

I’m Ioannis Krokos, a full-stack product engineer with 12+ years of experience building and scaling web products for hospitality and real estate. Since co-founding my SaaS business in 2015, I’ve delivered 500+ web solutions and shipped end-to-end platforms—designing architecture, building booking and payments flows, integrating APIs, and making sure everything is reliable in production. I focus on pragmatic engineering that translates into business outcomes: improving user experience and conversions, reducing customer support load, and optimizing performance and SEO. I also enjoy enhancing the development process with AI-assisted tooling and modern cloud workflows, from Vercel/AWS deployments to CI/CD pipelines—so teams can move faster without compromising quality.

Available to hire

I’m Ioannis Krokos, a full-stack product engineer with 12+ years of experience building and scaling web products for hospitality and real estate. Since co-founding my SaaS business in 2015, I’ve delivered 500+ web solutions and shipped end-to-end platforms—designing architecture, building booking and payments flows, integrating APIs, and making sure everything is reliable in production.

I focus on pragmatic engineering that translates into business outcomes: improving user experience and conversions, reducing customer support load, and optimizing performance and SEO. I also enjoy enhancing the development process with AI-assisted tooling and modern cloud workflows, from Vercel/AWS deployments to CI/CD pipelines—so teams can move faster without compromising quality.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Language

English
Fluent
Greek, Modern
Fluent
German
Beginner

Work Experience

Co-Founder & Lead Developer at Webee.gr Web Agency
May 3, 2015 - Present
- Co-founded Webee and lead all development — 500+ production websites, booking systems, and payment integrations delivered for the hospitality, real estate, and service industries. - Designed and built GuestSync solo: a multi-tenant hospitality SaaS (Next.js, TypeScript, Supabase/PostgreSQL) in production across 9 hotels, running daily guest operations — owned end-to-end from tenant-isolated schema and APIs to payments, deployments, and monitoring. - Oversee the conceptualization and delivery of 20+ modern web applications using Next.js, React.js, Node.js, and PostgreSQL, serving 10K+ monthly users. - Deliver custom booking engines, payment solutions, and channel management systems that automate critical customer-facing workflows. - Direct cross-functional collaboration between designers and marketing teams, ensuring alignment on product scope, UI/UX, and SEO objectives. - Systematized agency operations with AI-assisted development (Claude Code): automated support flows, deployments, and monitoring — enabling the agency to run with minimal daily involvement. - Integrate cloud-first deployment strategies on Vercel, Railway, and Cloudflare, reducing deployment time from hours to minutes and accelerating time to market. - Embed SEO and performance optimization in every project — 95+ Lighthouse scores via code splitting, lazy loading, and caching.
Frontend Developer at P.aR Publishing & Advertising
September 1, 2013 - May 1, 2015
- Coded and maintained responsive websites for 10+ corporate clients using HTML5, CSS3, and JavaScript, significantly improving usability across devices. - Introduced modular, reusable frontend components, reducing development redundancy and enhancing consistency across projects. - Enhanced legacy pages with mobile-first design principles, improving load times and bounce rates. - Created frontend workflow documentation and supported UX research and usability testing to validate design decisions pre-deployment.

Education

Bachelor’s Degree, Computing at University of East London
September 1, 2016 - June 20, 2019

Qualifications

AWS Solutions Architect Associate (In Progress)
January 11, 2030 - December 1, 2026

Industry Experience

Computers & Electronics, Travel & Hospitality, Real Estate & Construction, Professional Services, Financial Services, Software & Internet