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Stoumpos Kostas Web/Mobile Apps Developer
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Literature House

Bookstore Cafe | High-Volume Cultural E-Commerce Platform

Architected and deployed a comprehensive e-commerce and community platform for a hybrid bookstore cafe and cultural venue. The project demanded a resilient data architecture capable of indexing and querying thousands of titles across multiple genres, while capturing the physical venue’s distinct literary identity.

  • High-Capacity Inventory & Catalog Management: Structured a multi-tier catalog architecture with faceted filtering (by author, genre, publisher, and ISBN), ensuring lightning-fast search indexing and instant query returns across a database of thousands of stock items.
  • Hybrid Commercial & Community Experience: Integrated a dedicated event hub for literary presentations, reading clubs, and workshop bookings alongside the primary retail checkout flow, uniting the physical hub’s culture with its digital storefront.
  • Optimized E-Commerce Architecture: Designed a streamlined, friction-free checkout pipeline with automated shipping fee calculations, multi-gateway secure payments, and instant invoice generation.
  • Performance Under Load: Implemented server-side caching, asset minification, and responsive image compression to sustain high Core Web Vitals scores despite rich book-cover visual assets.

Forensic Psycho

Forensic Psycho | Professional Web Presence & Service Architecture

Developed a comprehensive, high-authority web presence for George Karkanis, an Athens-based Forensic Psychologist, Psychotherapist, and Behavioral Analyst. The primary objective was to organize complex, highly specialized psychological and legal consulting services into a clear, approachable, and conversion-focused digital journey.

  • Information Architecture: Structured diverse clinical domains—including Forensic Psychology, Cognitive Behavioral Therapy (CBT), Ericksonian Hypnosis, and accredited psychometric testing (MSCEIT®, EQ-i 2.0®, MindSonar®)—into clean, distinct content silos that cater to both legal professionals and individual clients.
  • Content Hierarchy & UI Design: Designed a professional, trust-building visual layout featuring custom service overviews, interactive FAQ modules on emotional intelligence assessments, and integrated media resources to establish credibility and engage visitors.
  • Performance & Accessibility: Engineered clean, responsive templates optimized for cross-device performance, intuitive navigation, and seamless appointment booking across both Greek and English language versions.

Hagar Ministries

Hagar Ministries | Non-Profit Web Presence & Community Engagement Platform

Engineered a mission-driven, bilingual web presence for Hagar Ministries (Διακονία Άγαρ), an organization supporting survivors of human trafficking and exploitation in Athens through outreach, personal restoration, and life-skills employment programs. The goal was to build a secure, transparent, and compassionate digital environment that informs the public, attracts volunteers, and drives vital financial donations.

  • Purpose-Driven Information Architecture: Clearly articulated the NGO’s core three-phase mission—Reach (outreach & drop-in support), Restore (reintegration & life skills), and Retain/Renew (employment through freedom initiatives and local partnerships)—transforming a complex operational model into a clear, inspiring narrative.
  • Conversion-Focused Call-to-Actions: Implemented prominent, frictionless pathways for online donations, volunteer registrations, and community partnerships, ensuring that supporters can take immediate action across all devices.
  • Privacy & Trust Infrastructure: Integrated GDPR-compliant communication workflows and sensitive data consent protocols for contact inquiries, ensuring confidentiality and trust for users reaching out for help or collaboration.
  • Cross-Language Accessibility: Built with seamless Greek-to-English localization, optimizing the user experience for both local community members and international donors or partner organizations.

Aegialis Retreats

Aegialis Retreats | Luxury Hospitality & Wellness Booking Platform

Engineered a visually immersive, international digital platform for Aegialis Retreats, a premier destination for holistic wellness retreats and yoga teacher trainings situated on the island of Amorgos. The website serves as a dedicated B2B and B2C sales channel, designed to convert both individual retreat guests and international yoga instructors seeking to host group experiences.

  • Targeted B2B & B2C Conversion Funnels: Designed separate, intuitive pathways for two distinct audiences: retreat leaders looking to book yoga shalas, group packages, and logistics, alongside independent travelers booking bespoke wellness vacations and spa treatments.
  • Rich Media & Visual Storytelling: Integrated dynamic galleries, video showcases, and structured amenity profiles highlighting the property’s ocean-view yoga shalas, Lalon Idor Spa, and authentic Cycladic hospitality.
  • Lead Generation & Event Management: Streamlined retreat inquiry workflows with tailored form architectures, allowing prospective organizers to specify dates, attendee numbers, and custom culinary or equipment requirements effortlessly.
  • Performance & Mobile-First Design: Optimized high-resolution photography and media assets for rapid loading speeds across international networks, ensuring an effortless browsing experience on mobile devices and desktops alike.

Developed for Aegialis Hotel & Spa in Amorgos, Greece, this web application transformed a luxury resort site into a dynamic community marketplace for international yoga and Pilates instructors. The platform enables instructors from around the world to register personal accounts, design custom retreat itineraries, host events at the resort’s facilities, and directly market their programs to prospective clients.

Built on WordPress using custom PHP, HTML5, CSS3, JavaScript (ES6+), and MySQL, the site balances complex account management with an intuitive user experience. It features custom user roles (Instructors vs. Attendees), frontend listing submission forms, and a centralized retreat directory with filtering options.

stoumposdrive.gr

StouposDrive.gr is a comprehensive digital platform developed for a driving school, designed to blend informative course presentation with student acquisition. Built on WordPress utilizing HTML5, CSS3, JavaScript (ES6+), and MySQL, the platform’s key feature is a custom-built, interactive online test engine powered by PHP and AJAX for seamless, zero-reload performance. This tool enables prospective drivers to practice for their theory exams using the official Ministry of Transport question bank and receive instant performance scoring. In addition to the testing suite, the website delivers structured guides for all driving license categories and required documentation. Optimized for mobile responsiveness, speed, and local SEO, the site strategically uses the high-traffic practice tool to convert visitors into registered students.