Project: Human Brain Project (HBP) (July’20 – Mar'21) Title: Human Brain Project (HBP) Flagship Role: Techical Coordination Deputy - DevOps Engineer Description: The Human Brain Project is one of four FET (Future and Emerging Technology) Flagships, the largest scientific projects ever funded by the European Union. It aims to put in place a cutting-edge research infrastructure that will allow scientific and industrial researchers to advance our knowledge in the fields of neuroscience, computing, and brain-related medicine. Portal: https://www.humanbrainproject.eu/en/, https://ec.europa.eu/digital-single-market/en/human-brain-project Responsibilities- Member of Techical Coordination Team: WP5 "EBRAINS Technical Coordination"- Coordinating the onboarding process of EBRAINS Components for their integration to the forthcoming EBRAINS RI Platform.- Delivering Insights and PoC’s according to user, researcher or components requirements. - Editing, contributing, and reviewing TC Team deliverables and documents.Achievements - Investigation and initiation of TC Athena internal four weeks SCUM Sprints- Contributions and continuous reviews to the on-boarding developers’ documentation - PoC on Jenkins CI for neurorobotics component using OpenShift pipelines- PoC on Gitlab CI pipelines using external Docker registry- Insights on Kubernetes, RedHat OpenShift Platform, and IBM Private Cloud- PoC on Headless Browser Testing on Jupyter Notebooks with Robot FrameworkKey Skills - YAML, JSON, OpenShift 3.11, Kubernetes 1.19, MiniKube 1.15, Helm 3.4, Ansible 2.10, Jenkins 2.2, Gitlab 13.5, Docker CE 19, Python 3.8, JupyterHub 1.2, JupyterLab 2.2, Jupyter Notebook 6.1.

Project: Horizon 2020 - H2020-ICT-2016-2 - 5Gtango (July’18 – Jan'20) Title: 5G Development and Validation Platform for global Industry – specific Network Services and Apps Role: Work Package Leader Description: 5GTANGO is a 5GPPP Phase2 Innovation Action that enables the flexible programmability of 5G networks with: a) an NFV-enabled Service Development Kit (SDK); b) a Store platform with advanced validation and verification mechanisms for VNFs/Network Services qualification (including 3rd party contributions); and, c) a modular Service Platform with an innovative orchestrator in order to bridge the gap between business needs and network operational management systems. Portal: https://5g-ppp.eu/5gtango/ Responsibilities- Technical Coordination of WP3 "Interabable NFV Testing Platform"- Definiting and implementing of the core Validation and Verification (V&V) Platform functions to be applied to the VNFs/CNFs/NS in the overall qualification process.- Refining the design and workflow of the V&V and its relationship to the SDK with respect to testing.- Participating in troubleshooting of devops issues to drive towards root cause identification and resolution.- Administering Huawei ONAP Lab Ireland. - Editor, Contributor, and Reviewer 5GTango deliverables.Achievements- Delivery of early stage V&V components tng-lcm and tng-tee - Contributions to integration for early demonstration of V&V at EUCNC- Contributions towards deployment model for Data Store as well as a review of API- Creation of the initial Test Descriptor Model and contentious integration with the new V&V architecture- EuCNC 2018 paper "5GTANGO: An Approach for Testing NFV Deployments"Key Skills - Java 1.8, Groovy 2.5.6, Spring Boot 2.1.3, Ansible 3.6.0, Gradle 5.3.1, Mysql 5.7, Spock-Spring 1.2, Docker CE 18, Python 3.5.0, IntelliJ 2019.1, Postman 5.5.0.

Responsibilities - Developing and designing applications using J2EE. - Working closely with QA, Operations and other departments as needed. - Engaging in capacity planning, performance analysis and system tuning. - Solving critical production problems and offering best solutions to prevent recurrence.Achievements - Extended web services for “Self-Exclusion” and “Timeout” for Matchbook’s EndUsers. - Worked with QA for the “Settled Bets Reports” and “Timeout” Releases of Matchbook. - Extended AT’s of Settled Bets Reports Release. - Delivered research results for updating data in Cassandra using Spark with Java, Scala and Python. Key Skills - Java 8, Spring 4.3.0, Spring Web 4.3.0, Spring Security 4.1.0, Hibernate 4.1.4, Junit 4.12, Mockito 1.9.5, Jersey 1.18, RabbitMQ 3.6, Mysql 5.7, Cassandra 3.0, Docker CE 18, Maven 3.3.9, IntelliJ 2017.3, DBeaver 4.3.1, Postman 5.5.0.

Responsibilities Vodafone Greece (July’16 – May’17) - Delivering software solutions, implementing software development life cycle of the full stack of Vodafone Greece portal and web serviceså for mobile Front-End and for interconnectivity with middle Tier modules. - Mentoring junior team members. Ensuring the quality of the delivered solutions. - Participating in troubleshooting of production’s issues with different teams to drive towards root cause identification and resolution.PricewaterhouseCoopers Greece (Jun’17 – Jul’17) - Delivering the Financial Decision Support System software solution, implementing software development life cycle of the full stack of a DSS portal for the major Banks in Greece. - Mentoring junior team members. Ensuring the quality of the delivered solutions. AchievementsVodafone - Implemented web services for the administration of an existing and the extension of “Vodafone CU24” customer campaign. - Implemented Vodafone large customer profiles performance improvements: caching functionality and parallel executing of Back-End jobs handling. - Implemented performance optimization on existing process of e-mail and SMS notifications send to e-bill customers: caching functionality and parallel executing of Back-End jobs handling. - Implemented new web “One Time Password” process for Vodafone e-Biller’s. - Implemented web services for “Vodafone Panic Button” customer campaign.PricewaterhouseCoopers - Implemented form functionality: validation, field access, search and export search results to xlsx file.Key Skills Vodafone - Java 1.5, Java 1.7, Maven 2.2.1, Maven 3.3.9, Glassfish 2.1.1, Glashfish 3.1.3, Axis 1.4, Spring 2.5, Spring 4.2.9, Struts2, JAXB 2.2, iBatis2, Hibernate 4.2.6, Tiles 3, Subversion SVN, IntelliJ 2016, Vagrant, SoapUI 3.5, Toad 9.0, Oracle Database 10g. PricewaterhouseCoopers - Java 1.8, Tomcat 8.5.8, Hibernate 4.2.6, Activiti BPM 5.22, Poi 3.16, Git, Docker, SQL Server 2017.

Responsibilities - Redesigning and improving the payroll software solution. - Introducing new architecture models to existing functionality.Achievements - Built a strong team with a good mixture of skills. I encouraged them to achieve our joint goals, as well as help them to develop new skills in a sharing environment. - Built the UI of an automated payroll system.Key Skills - Initial experience with project management. Assigned and reviewed tasks. Facilitated communication between the IT team and business representatives. Initial experience with payroll systems, Oracle ADF frameworks 11g, Oracle SQL Developer 4.0, Oracle OBIEE 11c.

Responsibilities - Delivering the Java core server solution. - Software application testing development.Achievements - Development of a Quality Control API server core algorithm for Crowdsourcing Applications.Key Skills - Java 1.7, Amazon MTurk, Crowdsourcing

Responsibilities - Dynamic and static website development for ONEGROUP S.A., N-SEPT M.E.P.E., KAISAR S.A., MOSXETA-GROUP, E-EXECUTIVE and IONION HOTEL. - IT and security infrastructure upgrade and maintenance, system administration and customer support for MAYORAL HELLAS M.E.P.E., AVEL M.E.P.E., N-SEPT M.E.P.E., KAISAR S.A., ONEGROUP S.A., BALUCO S.A., TSAKALOS S.A., E-EXECUTIVE and IONION HOTEL.Achievements - Build strong relationships with my clients and my subcontractors. Key Skills - Php, Joomla, Wordpress, Magento, Mysql, CSS, HTML.

Responsibilities - Delivering mobile application and good working processes.Achievements - Development of a Roulette mobile application.Key Skills - Initial experience with J2ME and IntelliJ. Mobile application development.

Responsibilities - Delivering software solutions, implementing software development life cycle and good working processes.Achievements - Development of MELISA DIGITAL ITEM builder with respect to MPEG-21 standardization using Swing Java client. - Development of MELISA User Management application using Swing Java client and oracle 6i database. - MELISA DIGITAL ITEM model-based approach is briefly presented in 76th MPEG meeting at Montreux, Switzerland.Key Skills - Initial experience with MPEG21. Product presentation to MPEG21 working group.

Responsibilities - Developed a MPEG-2 video on demand client side application solution. - Sought, tested and integrated Set-o-Box terminals into client side application.Achievements - Built the UI of a Swing Java client with an embedded java video player developing a MPEG-2 video on demand client side application solution. - Sought, tested and integrated the Set-o-Box terminals for the video on demand application.Key Skills - Initial experience with object oriented programming and Oracle 6i development.