Responsible for design, implementation and testing of e-learning web platforms► Initial design, planning and analysis of the project,► Review learning materials for reference and modification,► Perform story boarding, project scheduling and assign tasks to team members,► Design and develop e-learning platforms liveschool.gr and livetraining.gr► Integration Blackboard Collaborate (Classic & Ultra View) with e-learning platforms liveschool.gr and livetraining.gr.

Working in an agile dev team on large scale information systems of the Greek Ministry of Education.► Developing web solutions with ASP.NET, MVC, C#, Web API, WCF, EF, HTML, CSS, AJAX, JavaScript, jQuery, AngularJS, Bootstrap, Devexpress► Administration and maintenance of 5 SQL Server Instances into PROD-DR-UAT-DEV environments► Responsible for the health and stability of global Microsoft SQL Server and related technological platform► Managing Large critical databases in – SQL Server Failover Clustering, Mirroring, Log-Shipping, Replication► Administration of Install, Upgrade, Migration, SPs, CUs of Versions – SQL Server 2012, SQL Server 2014, SQL Server 2016► Performance and Tuning of SQL Server using Index tuning, profiler, PerfMon, DTA and DMVs► Automation of Maintenance – Backup/Restore, Rebuild Index, DBCC CHECKDB, Update Stats, Batch jobs► Design, deployment and management of virtualization infrastructure VMware ESXi

Engaged into projects of varied scale and context based on .NET stack. Developed systems and solutions with technologies such as Windows Forms, ASP.NET, WPF, WCF, WF, Web Services, Entity Framework, Windows Phone, SQL Server.► Established development patterns and best practices for a large suite of public-facing web applications and API’s► Enforced development patterns and best practices through mentorship and code reviews► Led the development of a suite of software components. These components, used company-wide, helped developers build rich, web-based user interfaces more efficiently and consistently.► Helped define a learning roadmap for development teams, with the intention of improving their overall web development skills► Continually, on an ad-hoc basis, helped developers solve complex problems related to web development► Administration and maintenance of SQL Server Instances into PROD-DR-UAT-DEV environments► Managing Large critical databases in – SQL Server Failover Clustering, Mirroring, Log-Shipping, Replication► Performance and Tuning of SQL Server using Index tuning, profiler, PerfMon, DTA and DMVs► Design, deployment and management of virtualization infrastructure VMware ESXi, Microsoft Hyper-V► General IT Administration

Teaching "Personal Computer Components" course (theory).

Teaching "Computer-Aided Design and Analysis of Electrical Installations" course (laboratory).

► Participate in all aspects of the in-source developed software life cycle, from defining the strategy and architecture through deployment and support. (Intraweb & Desktop applications in .NET, ASP.NET, MVC, Windows Forms/WPF (C#), Web services, PHP, Oracle, SQl Server, Borland Interbase, MySql)► Have the overall responsibility for the maintenance of all the internal IT systems, i.e. maintain data center environmental and monitoring equipment; performs ongoing performance tuning, hardware upgrades, and resource optimization as required.► Manage efficiently crisis situations, which may involve complex technical hardware or software problems. Develop and implement disaster recovery procedures.► Monitor and maintain network stability; communicate and coordinate network schedule, backups, and downtime to users.► Manage the operations of all internals computing platforms including server, data archival and storage, network, telecommunication and application systems.► Possess strong experience in Slots Games, (systems operations, data analytics, new requirements deployment, technical operations, etc.); strong background in utilization, installation and administration of various Slots Management Information Systems.

Teaching "Introduction to Computers" course (Windows, Word, Excel and basic HTML).Teaching "Introduction to Programming I" course (Pascal)

Developer of Workpackage 4 of the Research Project “Soft Computing Techniques for the Digital Multi-channel Signal Processing with Applications on Processing and Management of: Image based on charts and Geoelectrical and Geomagnetical Data” in the context of the “EPEAEK Archimedes I: Support of Research Teams at the Technological Educational Institutes”

► Study, design and realization of local wireline PC networks using all kinds of connections (topology), initially via the NS Simulator and subsequent actual installation at the premises of "INTRACOM A.E.".► Study, design and realization of wireless LAN networks using the 802.11b protocols, via the NS Simulator.► Study, design and realization of PAN networks using Bluetooth technology (802.15).

Research Collaborate - Responsible of the Center of Pre-seismic Signals, Patras Seismological Laboratory, University of Patras