Giannis

Work Experience

Java Developer

• Develop, implement and maintain Java based components and interfaces.
• Ensure designs are compliance with specifications.
• Develop new applications that serve existing software systems.
• Further develop current software.
• Participated in code and document reviews.
• Provide estimates for tasks.
• Contribute to ongoing maintenance work, including change requests, production problems and internal tools.
• Maintain existing prototypes and scripts.
• Resolves technical issues through debugging, research and investigation.
• Understand new requirements of key business units, product customers and how we achieve it.
• Contributes to decisions regarding software, development approach.
• Supoort continous improvement by investigating alternatives and new technologies and presenting these for architectural review.

• Technologies: JAVA, J2EE, Spring MVC, Windows 10, Eclipse, MySql, Git, Gradle, Maven, Tomcat, Jira, Confluence, Hipchat, Webex, MS Outlook

Senior Software Engineer

• Involved in server side development of application using Java.
• Created APIs to get data from different Bank Systems e.g Core Banking, Finacle, etc.
• Participated in service implementation development of an assigned module.
• Integrate server and client side to Bank’s Systems including Release deployment and configurations.
• Participated in unit test and peer to peer code reviews for optimization and best practices.
• Participated in Release Package Preparation and Documentations.
• On site support in package deployment to client’s integrated environments for SIT and UAT testing
• On site support to client’s SIT and UAT team in testing releases.
• Mentor junior developers for server side team.
• Act as company’s project POC to bank for business requirements follow-up and necessary info and data for application development.
• Participated in daily meeting with the steering committee for defects discussion and future releases.

• Technologies: JAVA, J2EE, Windows 10, Eclipse, Oracle SqlDeveloper, Putty, WinSCP, XShell, Notepad++, Ant, Java, Spring, Websphere, Jira, Skype, MS Outlook

Java Solutions Developer

• Assist in the systems analysis and design of a project.
• Involved in server and client side development of the application.
• Produce and maintain well documented programs that adhere to standards which satisfy user requirements.
• Participated in internal weekly meeting for project status report of development and planning of future tasks.
• Participated in company’s internal training for My SQL and Oracle SQL.

• Technologies: JAVA, J2EE, MySQL, Oracle SQL, Windows 10, DevStudio, MySql Workbench, Notepad++, Maven, SpringMVC, Redmine

Java Developer - Consultant

• Developed Graphical User Interface (GUIs) for company’s product application in deployment for the company’s
• Partners, prospective customers and internal employees
• Coordinate visual design projects and reviews work of the visual design team.
• Worked closely with system specialists and other engineers to create a highly polished visual experience that fully represent brand, market, and end-user requirements
• Design and develop particular GUI pages as well as take part in testing it.
• Creates flowcharts of task flows and information architecture for the product features.
• Participated in the full lifecycle of product for the company’s system.
• Worked with product teams to understand the target audience and market-place for new features.
• Accountable for creation of style guide.
• Create logs/define the theme and style for a web site.
• Understands overall software development process.
• Strong, demonstrated ability to optimize application flow from page-to- page (user experience).
• Continuously enhanced and maintained the enterprise application and fix bugs reported by the product support team, delivery team and software quality assurance team.
• Design and code web services using Apache Axis, WSDL on Apache Tomcat server. Developed web service interface which allowed to create, read, update & delete data.
• Programming and tools used J2EE, Java Servlets, JSP, JavaScript, Jquery, CSS, Ajax, Json, JDBC and Oracle 11g as database.
• Update RCA and resolution of each task via JIRA and peer to peer code review via Beanstalk.

• Technologies: J2EE, Java Servlets, JSP, JavaScript, Jquery, CSS, Ajax, Json, JDBC and Oracle 11g, JIRA, Windows 8, Redhat Linux, Eclipse IDE, Apache Tomcat, WinSCP, SVN, Jira, Beanstalk, Crucible FortiClient, AWS, Nginx, Redhat Linux

Java Web and UI Developer

• Developed an interactive dynamic web page for the telecommunication summary of reports which can be used for gathering business information and decisions. It is composed of the network KPIs represented in a geo-map that is clickable to drill down specific details per location.
• Display graphical information of different analytics data requested from a Restful web service request.
• Manipulate and rendered data based on required information to display using JavaScript, JQuery, Ajax, Json from Restful APIs.
• Created global map with heatmaps that can be drilled down into different locations like continent, country and city using open sourced plugin leaflet and some google maps api.

• Technologies: JAVA, J2EE, Windows 8, Redhat Linux, Eclipse IDE, Apache Tomcat, WinSCP, SVN