Athanasios I.
Drupal Developer & Consultant
Experience
Mar 2023 - Jul 2024
1 year 5 monthsDrupal Developer & Consultant
Freelancer
- Designed and developed 'epaithros' destination management portal (B2C & B2B), integrating third-party services and access control.
- Implemented custom Drupal modules, including chatbot integration with automated retraining on updated data.
- Managed ETL/data migration workflows for importing and transforming external content.
- Designed CMS architecture, taxonomy, and navigation for seamless user journeys.
- Integrated mapping and geolocation features (Google Maps, Leaflet Maps).
Sep 2017 - Present
8 years 3 monthsGermany
Software Engineer
MS POS GmbH
- Architected and developed core modules of a modular, cloud-based POS system used in multiple EU countries.
- Implemented fiscalization modules for Germany, Austria, and France, ensuring compliance with local regulations.
- Implemented and maintained in-person payment services, integrating providers (Adyen, Viva, Pepper) through middleware solutions, enabling seamless checkout experiences and supporting multi-country retail operations.
- Integrated POS system with ERP platforms (Navision, MS Business Central), enhancing operational efficiency.
- Acted as technical project lead for Vorwerk Retail, coordinating implementation across teams and ensuring timely delivery.
- Mentored junior developers and coordinated cross-functional teams.
Dec 2014 - Dec 2021
7 years 1 monthSoftware Engineer / Solution Design
MRICONS Ltd.
- Developed a healthcare data platform for MRI exams across 180+ medical centers, reducing turnaround time and improving diagnostics.
- Built distributed infrastructure for anonymizing, processing, and securely uploading DICOM metadata.
- Developed analytics dashboards and corporate reporting (PowerBI, Telerik), providing insights across the organization.
- Collaborated on system architecture and requirements gathering with clinical stakeholders.
Sep 2012 - Oct 2015
3 years 2 monthsSoftware Engineer
Computational Biomedicine Lab, ICS-FORTH
- Architected cloud-based EU-funded healthcare platforms, including central pathology review and digital pathology tools.
- Implemented a virtual microscope with advanced annotation tools, supporting accurate diagnosis in clinical trials.
- Coordinated technical workshops, consortium reporting, and evaluation activities.
Jan 2010 - Dec 2021
12 yearsCMS Specialist (Joomla)
Freelancer
- Developed and managed tourism and business portals with Joomla CMS.
- Key project: 'Destination Crete' portal, the leading alternative tourism portal for the island for 5+ years.
- Delivered architecture, multilevel content categorization, multilingual support, and Google Maps integration.
Nov 2006 - Jan 2011
4 years 3 monthsIT Enterprise Content Management Consultant
SingularLogic SA
- Led ECM solution design and technical implementation across telecom, banking, and transportation sectors.
- Managed deployment and optimization of COSMOTE corporate portal, ensuring high-traffic performance and content delivery.
- Integrated ECM platform with e-shop, pricelist, and microsites for seamless data flow.
- Coordinated small consulting and development team (2–4 members).
Summary
Results-driven Software Engineer & IT Consultant with 18+ years of experience delivering scalable IT solutions across retail, healthcare, tourism, and telecom. Expertise spans software architecture, microservices, CMS platforms, and middleware/payment integrations. Proven track record in designing and implementing secure, compliant in-person payment solutions with providers such as Adyen, Viva, and Pepper. Known for bridging technical depth with client-facing consulting, effectively gathering requirements, leading cross-functional teams, and delivering impactful digital transformation projects.
Languages
Greek
NativeEnglish
AdvancedEducation
Technical University of Crete
MSc in Electronic & Computer Engineering · Electronic & Computer Engineering · Kounoupidiana, Greece
Certifications & licenses
Driving License EU Category B
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