Senior Entwickler mit DevOps-Erfahrung

2/2020 – 2/2021

I worked on the Back Office project, which provided the client the necessary functionality to insert new trademark and design files, submit oppositions to those files, and perform other data modifications. My responsibilities included implementing new functionalities based on the HLD documents provided by EUIPO, debugging reported issues from the client, and participating in all test phases conducted by EUIPO as well as UAT completed by the client.

Key Responsibilities:
• Translation of the software specifications requirements related to the software development or customization of standard software products;
• Implementation of change requests;
• Participation in the system acceptance processes in direct cooperation with the client;
• Participation in the handover and operation maintenance activities and provision of relevant documentation.
• Participation in architecture meetings with Spanish / Romanian teams (English language used)

Tools and technologies:
Java 8, Java 11, Spring, OAUTH, JWT, REST API, Hibernate, BPM, BackboneJS, WildFly (JBOSS), JSON, XML, Informix, Maven, CI/CD, JIRA, IntelliJ IDEA, Activiti BPM IDE, Agile.

Apache Maven, Backbone.Js, Continuous Integration, Informix, Jira, Json, Linux-Systemadministrator, Spring Framework, Wildfly

9/2011 – 12/2020

I contributed to three key projects focused on service activation/deactivation, virtual machine import/export, and incident reporting.
For the first project, I designed both the front-end and back-end of the application and developed VBS and Bash scripts to test system integrity. I also supported the migration of the application to Azure.
The second project involved importing and exporting virtual machines between two versions of a cloud server. I created REST web services to retrieve the XML data containing VM details and converted those XMLs to be compatible with the new application version.
In the third project, I developed an incident reporting application using Python and Angular 11, which was utilized by IBM's internal teams to report project-related issues.

Key Responsibilities:
• Translation of the software specifications requirements related to the software development or customization of standard software products;
• Data modeling design activities;
• Implementation of change requests;
• Participation in the system acceptance processes in direct cooperation with the system users;
• Participation in the handover and operation maintenance activities and provision of relevant documentation.
• Participation in architecture meetings with German / Indian / Chinese / US teams (English language used)

Tools and technologies:
Java 1.6 - 1.8, Spring Boot, Microservices, Python 3.7, Eureka, Hystrix, Spring Security, OAUTH, JWT, REST Api, Spring Data / JPA, Hibernate, Servlets, Apache Kafka, NodeJS, Loopback, Docker Compose, Azure, Websphere, CI/CD, JaxB, XML, XSD, JSON, DB2, Maven, RTC, Eclipse, Agile.

Apache Kafka, Apache Maven, Continuous Integration, Docker, Eclipse, IBM DB2, Json, Linux-Systemadministrator, Microsoft Azure, Node.Js, Python, WebSphere Application Server Spezialist

12/2009 – 9/2011

As a member of a team dedicated to developing a telecom solution for managing promotion and payment operations, I played a key role in the following areas:
Web Interface Development: Utilized the Struts framework (forms, actions, tiles) to create a web interface for customer care services, enabling the creation of new vouchers for recharging prepaid services and managing commission operations.
Database Management: Employed Hibernate for querying the Oracle database and JDBC for obtaining permissions and other application settings.
Application Server: Worked with JBoss 4.2 as the application server.
Backend Development: Developed backend components in C++ that communicated with the web application through an Informix database table (message queues).
Additionally, I was responsible for identifying and fixing both interface and server-side bugs to enhance the module’s functionality and user experience.

Key Responsibilities:
• Production of use cases, software diagrams and other e software artifacts in line with the specifications;
• Translation of the software specifications requirements related to the software development or customization of standard software products;
• Participation in the definition and implementation of the system architecture;
• Design of the usability aspects;
• Data modeling design activities;
• Implementation of change requests;
• Participation in the system acceptance processes in direct cooperation with the system users;
• Participation in the handover and operation maintenance activities and provision of relevant documentation.

Tools and technologies:
Frameworks/libraries: Hibernate, Struts, Spring; REST Api; Spring / Spring DAO
IDE: Eclipse;
Methods: J2EE Patterns, RUP, UML;
MS Office: Word, Excel, Powerpoint;
Programming languages: Java 8, HTML, JSP, Servlets, Javascript, CSS, XML, SQL;
Special tools: Ant, Maven, CVS; Struts 1.x
Web / Application server: JBoss;
Databases: Oracle, Informix.
Environment: Unix.

Apache Struts, Eclipse, HTML, Informix, JavaScript, Javaserver Pages, Linux-Systemadministrator, Oracle-Anwendungen, Spring Framework, SQL, UNIX, Wildfly

2/2009 – 12/2009

Developed RESTful web services for database queries, in addition to an ER-integration subproject connecting the front-end and back-end through RESTful and WSDL calls to Oracle ESB for extracting data. Generated various confirmation and result reports that were saved into a FileNet file manager system through external web services. Designed a servlet incorporating a simple caching system to check the database for image updates and retrieve the required resources via external web services. Furthermore, created data flows and class diagrams to offer the client a better understanding of the process flow.

Key Responsibilities:
·    Production of use cases, software diagrams and other software artifacts in line with the specifications;
·      Translation of the software specifications requirements related to the software development or customization of standard software products;
·      Participation in the definition and implementation of the system architecture;
·      Design of the usability aspects;
·      Data modeling design activities;
·      Implementation of change requests;
·      Participation in the system acceptance processes in direct cooperation with the system users;
·      Participation in the handover and operation maintenance activities and provision of relevant documentation;

Tools and technologies:
 Java 1.6, Spring framework, REST Api, Weblogic 10.3 Application Server, OpenSSO Enterprise 8.0, Liferay Portal, Spring Portlet MVC, Eclipse 3.4.2 with Maven, SVN plugins, Maven, Artifactory, XSD, iText, Servlets, Spring DAO, RESTful web services, XML (JAXB, xStream, Castor), UML (Ms. Visio), Informix DB, Jasper Reports, Mantis, Agile.

Apache Maven, Eclipse, Informix, Linux-Systemadministrator, Mantis, Oracle WebLogic Server, Spring Framework, UML

7/2008 – 3/2009

My initial task was to maintain the code of the Sentinel Server, enabling it to be compatible with various databases. Subsequently, I developed a web-based application which was a Sentinel-based monitor, providing reports on the flow of information within the server. Additionally, I created a web-based version of an existing monitoring application which was originally created as a Java Applet. Lastly, I produced a specialized software based on Sentinel Server for a major Axway client, firstly in GWT (Google Web Toolkit) and then in Adobe Flex.

Key Responsibilities:
·    Production of use cases, software diagrams and other software artifacts in line with the specifications;
·      Translation of the software specifications requirements related to the software development or customization of standard software products;
·      Design of the usability aspects;
·      Data modeling design activities;
·      Implementation of change requests;
·      Preparation of other technical documentation and relevant up-dates.
·      Generate database ERDs for specific projects

Tools and technologies:
Java 1.4, Java1.5, Java Swing, Object serialization (for RMI and Granite DS), Servlets, JSP, HTML, CSS, JAVASCRIPT, JAVA XML API (JAXB), Ajax, RMI, Jasper Reports, JUnit, JDBC, SQL Server 2000, MySQL 5, Oracle 9i, Apache Tomcat 5.5, Google Web Toolkit , Flex, Granite DS, Axway Portal Framework, Eclipse, Netbeans, UML, SVN, CVS, Maven, Ant, Scrum.

Apache Struts, Eclipse, HTML, JavaScript, Javaserver Pages, Junit, Linux-Systemadministrator, Oracle-Anwendungen, Oracle WebLogic Server, Subversion, UML

7/2005 – 8/2008

My initial task was to maintain the code of the Sentinel Server, enabling it to be compatible with various databases. Subsequently, I developed a web-based application which was a Sentinel-based monitor, providing reports on the flow of information within the server. Additionally, I created a web-based version of an existing monitoring application which was originally created as a Java Applet. Lastly, I produced a specialized software based on Sentinel Server for a major Axway client, firstly in GWT (Google Web Toolkit) and then in Adobe Flex.

Key Responsibilities:
·    Production of use cases, software diagrams and other software artifacts in line with the specifications;
·      Translation of the software specifications requirements related to the software development or customization of standard software products;
·      Design of the usability aspects;
·      Data modeling design activities;
·      Implementation of change requests;
·      Preparation of other technical documentation and relevant up-dates.
·      Generate database ERDs for specific projects

Tools and technologies:
Java 1.4, Java1.5, Java Swing, Object serialization (for RMI and Granite DS), Servlets, JSP, HTML, CSS, JAVASCRIPT, JAVA XML API (JAXB), Ajax, RMI, Jasper Reports, JUnit, JDBC, SQL Server 2000, MySQL 5, Oracle 9i, Apache Tomcat 5.5, Google Web Toolkit , Flex, Granite DS, Axway Portal Framework, Eclipse, Netbeans, UML, SVN, CVS, Maven, Ant, Scrum.

Ajax, Apache Maven, Apache Tomcat, Eclipse, HTML, Java Database Connectivity, JavaScript, Javaserver Pages, Junit, Linux-Systemadministrator, Mysql, Netbeans, Oracle-Anwendungen, Scrum, SQL-Datenbankadministrator, Subversion, Swing (Java), UML

5/2004 – 8/2005

I was using Lotus (Lotus Notes, Domino Designer, Lotus WorkFlow and Domino Doc) for document management software and other financial internal applications. The applications designed here were using Lotus Workflow for creating business workflows and Lotus Designer for developing applications code. Indicative companies the software was built for were “Mitsubishi” and “Casa de pensii”.

Key Responsibilities:
·     Production of use cases, software diagrams and other software artifacts in line with the specifications;
·      Translation of the software specifications requirements related to the software development or customization of standard software products;
·      Participation in the definition and implementation of the system architecture;
·      Design of the usability aspects;
·      Data modeling design activities;
·      Implementation of change requests;
·      Preparation of other technical documentation and relevant up-dates.

Tools and technologies:
Oracle 9i, Lotus Notes, Lotus Administration, Lotus Designer, LEI, Visual Basic, ODBC, Crystal Reports.

Crystal Reports, Open Database Connectivity, Oracle-Anwendungen

2/2004 – 6/2004

The project I was involved in supposed creation of an application that had to import bets information for the current day from the text files that main application generated, decode teletext pages of a nationwide television and then send the new created teletext pages through ftp to the TV teletext system.

Key Responsibilities:
·   Production of use cases, software diagrams and other software artifacts in line with the specifications;
·      Translation of the software specifications requirements related to the software development or customization of standard software products;
·      Participation in the definition and implementation of the system architecture;
·      Design of the usability aspects;
·      Data modeling design activities;

Tools and technologies:
Borland Delphi 7, Quick reports.

Delphi

1/2000 – 3/2004

Project Development of:

SatAccounting: Developed and designed using Borland Delphi 7 IDE, this project aimed to assist clients with basic accounting tasks. The application was divided into three subprojects: bar module, store module, and service providing module. It generated daily, monthly, and annual reports on the income and expenses generated by clients.
SatEventNet: This internet cafe client-server application was designed to control the machines used by clients. It also allowed customers to order products (food, drinks, etc.) from the bar located in the same space. Additionally, it enabled company employees to generate daily and monthly reports per station and overall income generated from both station usage and product orders.
WareHouse: Designed for auto-warehouse agents, this application centralized and localized all auto parts, generating various reports and charts by order and by agent on a daily, monthly, and yearly basis.

Tools and technologies:
Borland Delphi 5 / 7, ODBC, Quick Reports.

Delphi, Open Database Connectivity