Nov ‘13 - Now
(2 years +)
Service Manager, Project Manager, Senior Software Engineer
• Technical lead in ESAC project “Science Archives Publication System”
• Project provides information on the scientific performance of ESA’s operating missions by examining the publications and the observational data used to produce them.
• Java based development based on Spring based backend running on Tomcat and Google GWT as the frontend, backed by Postgresql database.
• Searching capabilities provided by ElasticSearch server.
• Integration with multiple ESAC Archive AIO systems.
• Technical lead in ESAC project “PLAnck Added Value Interfaces”
• Python based development of a distributed service oriented system, backed a fully restful API server and MongoDB, Redis
• All infrastructure running on clustered installation of Docker containers
• Integration with existing PLA archive website and datastore
Mar ‘13 - Oct ‘13
Startup company, Athens, Greece
Technical Lead, Senior Software Engineer
• Building an online e-commerce site for airline and hotel ticket reservations.
• Integration to third party services through SOAP web services.
• Multiple backend cache systems (memcache, ElasticSearch, Redis)
• Hosted on Amazon EC2. Clustered implementation through multiple application and cache servers. Database in Amazon RDS.
• Faceted search interface with Jquery, ElasticSearch, Twitter Bootstrap.
Project developed in Symfony2 PHP framework
Aug ‘12 - Nov ‘12
Airtickets.gr, Athens, Greece
Senior Software Engineer
• Lead Engineer responsible for architecting and implementing a Java backend service to integrate web service communications with Amadeus CRS/GDS (Computer Reservation System, Global Distribution System).
• Implemented optimized workflow in order to minimize amount of communication between travel agency and reservations system.
• Successfully passed the implemented solution through the Amadeus certification process before the system can be taken online.
Work was done with Java, with Spring framework and Apache Axis Soap.
Mar ‘12 - Jul ‘12
PeoplePerHour, Athens, Greece
• Worked developing a caching and indexing service based on Solr (search and indexing service based on Apache Lucene).
• Developed formulas for scoring and boosting results, calculating facets and implementing fuzzy searches on autocomplete text boxes.
• Also optimized various parts of the website using memcache techniques.
Coding was done in PHP with the Yii PHP framework
Sep ‘06 - May ‘11
(4 years 8 months)
Evorad A.E., Athens, Greece
Worked in the development of Evorad’s Java RIS-PACS suite. Excellent knowledge of both RIS and PACS workflows and requirements. This required the collection of customer based requirements, subsequent analysis and finally Java based design, implementation and integration in the main application.
1. For the PACS, developed algorithms for image orientation, series synchronization, MPR and MIP calculations, image annotations, image sorting, etc.
2. For the RIS, designed the automated scheduler for medical appointments, a server based CD burning solution, medical referral notes, integration with customer’s HIS systems, examination auto-forwarding, custom DICOM worklist integration, etc.
3. For the web-based teleradiology module, setup and maintained Amazon EC2 instances, automated backup procedures in S3 and worked with Amazon RDS. Finally designed a web application for billing written in jquery to display produced billing invoices.
Apr‘03 - Aug‘06
(3 years 5 months)
Emphasis A.E., Athens, Greece
Consultant / Software Engineer
Participated as a software engineer in the European funded projects “Carditis” (Java gui interface for interaction with a haptic device), “Care-Paths” (Java servlets, JADE ontologies), “eRemedy” (Java user interface applet, hardware-software interaction, tele-medicine environment), “Weight Info”. Detailed project descriptions are below.
Feb ‘01 - Mar ‘02
(1 year 2 months)
Intergraphics, Athens, Greece
Web Design and Java Instructor
• Instructor for Web Design classes, teaching HTML, CSS and Flash Actionscript.
• Designed and taught Java classes for programming beginners.
Feb ‘00 - Feb ‘01
(1 year 1 month)
M.A.I.Ch, Chania, Crete, Greece
• Developed and implemented the Institute’s website.
• Designed an intranet site to be used by the Institute’s departments in order to share research information.
• Developed the Herbarium Management system (Python, TCL/TK based).
Dec ‘96 – Nov ‘99
enCommerce, Santa Clara, CA, USA
• Acted as the main engineer for all Graphical User Interface efforts.
• Developed the Administration Application GUI for enCommerce’s main product, “getAccess”.
• Researched and eventually developed concurrent GUI and CLI (Command Line Interface) for the same product.
• Improved the graphical representation of the topology mapping of a distributed installation of getAccess.
Jul ‘96 – Nov ‘96
Kapalua Consulting, Sunnyvale, CA, USA
Consultant / Software Engineer
• Developed and supported a travel agency web site using HTML and Perl.
• Installed and supported various versions of web servers.
Sep. ‘89 – May ‘94
University of San Francisco, San Francisco, CA, USA
B.A. in Computer Science, Minor in Mathematics.
• Java EE
• Java Servlets
• Tomcat, JBoss
• Yii, Zend, Drupal
• Django, Python Eve
• Eclipse IDE
• Amazon services S3/EC2/RDS
• Google App Engine
• Hudson/Jenkins, Teamcity
• git (anyone still uses svn?)
Unix (15+ years), Windows (I've seen them)
Greek (Native), English (Perfect)
Participation in National & European Projects (2003-2006)
CARDITIS's objective was to overcome the weaknesses of the existing methods for the accurate reconstruction and simulation of the cardiac system. CARDITIS aimed at providing cardiologists and cardio surgeons with a software and hardware platform, which could be used as an intelligent interventional and surgical simulator. Its primary objective was to expand understanding of the human cardiovascular system.
The goal of CARE-PATHS was to set up an intelligent operational environment for making Clinical Governance effective, to support Health Professionals, Clinicians and Care Operators, in continually improving the quality of their services and safeguarding high standards of care. The approach adopted by CARE-PATHS was to exploit emerging technologies in knowledge management and semantic web for enabling the methodology of "Clinical Pathways" to function, to be effective and to succeed.
The objective of WEIGHT-INFO was to provide the citizen with an easily and from everywhere accessible, integrated environment where any weight related issue is targeted in a personalised effective manner from the citizen point of view. The work programme was constituted of 11 work packages, dealing both with the construction of a reliable information environment (certified by medical organizations) and with the realisation of easily accessible online services, customised to deal with different user profiles, needs and weight problems. The usage of portable phones and other new communication devices was taken into consideration in the system design and implementation.
In the envisaged scenario, where a rehabilitation treatment was prescribed, the physician, in co-operation with the physiotherapist, identified a personalised rehabilitation program for the patient, taking into account the patient status and needs. Based on patient’s personal needs, at the centre, the rehabilitation protocol was accurately defined, depending on the actual patient status; using the Rehabilitation process management tool the rehabilitation period, the frequency of visits and possible additional examinations were accurately planned.
Boardgames, reading, music, scuba diving, bicycling, traveling.
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