Senior Software Engineer

12/2015 – offen

As part of the Business Transformation Team my tasks are the following:

1. Design and implement microsorvices as part of an agile team utilizing mainly Java technologies and Docker containers.
2. Big data processing with Cloudera solutions using Kafka, Hadoop, Spark, Flume and SOLr among others.
3. Architectural design and implementation of SPA + Backend Spring REST API + Oracle Database Schema used to define the file processing workflow. The solution is integrated with external REST and SOAP services.

As part of the International Processing Platform Team my tasks were the following:

1. Implement and support Way4 Card Processing ecosystem raging from Accounting software to e-Banking solution.
2. Design and implement applications and services using Java technologies to further extend the ecosystem by integrating with external web services (REST and SOAP) statement generation, reporting and audit requirements.
3. Analyse business requirements and translate to technical specifications in close cooperation with business analysis department.

Confluence (Atlassian), Apache Tomcat, Oracle WebLogic Server, Apache Maven, Docker, Git, J2EE (Java EE), Jira, PL/SQL, Spring, SOAP (Simple Object Access Protocol), JavaScript, JavaScript-Frameworks, Representational State Transfer (REST)

1/2010 – 4/2015

Requirements Engineer: Translate business requirements to technical in close cooperation with business analysts.

Software Engineer: Extend the bank's mortgage application which handled the full lifecycle of a mortgage loan. My tasks involved solution implementation through the whole spectrum of the technologies used (Java, Java2EE, PL/SQL, Business process engine, Business rules engine, Frontend).

Reporting, Oracle Database, jboss, Apache Maven, Apache Subversion (SVN), EJB (Enterprise JavaBeans), Git, Hibernate (Java), J2EE (Java EE), XML, IBM WebSphere ILOG JRules, SOAP (Simple Object Access Protocol), JavaScript Object Notation (JSON)

5/2006 – 12/2009

Java/SQL Developer - Implement solutions in the java language along with required persistence layer implementations to support point-of-sale network communication between our client's retail branches and respective bank partners.

Requirements Engineer - Engineer technical requirements in close cooperation with the business team.

3rd Level Support - Support RS2's BankWORKS Payment Processing Platform for Citibank Greece (https://www.rs2.com/) which uses an Oracle Database for its persistence layer.

.Net C# Developer: Implemented a number of small applications to support different tasks required by our clients:
1. Windows application by which the customer (Bank) was able to retrieve the log files from they ATM network in a manually or automatically through scheduling.
2. Web application authentication through the use of smart card reader and java smart cards.

Microsoft SQL-Server (MS SQL), Oracle Database, SQL, .Net Framework (Microsoft), J2SE (Java SE), PL/SQL