Java Developer & PHP Developer

Quite brusque and direct on the phone, but not arrogant. PHP was a mistake for him that shouldn't have happened, he just wants Java. The most interesting sector of work for him is programming space probes and rockets, on the last bank, but he's not picky.

• other insights from the interview

The candidate is a Java and PHP developer with about 10 years of commercial experience in Java and about 4 years in PHP. In the future he wants to focus exclusively on Java development. He has experience in agile development, having worked in Scrum. Among foreign languages, he knows English at a communicative level, he understands German when reading (documentation), he does not dare to communicate verbally. He does not have an exclusive preferred area of work, he is open to all possibilities.

06/2014 – 08/2018: PHP Senior Developer

• Responsible for taking over development from a previous team, cleaning up duplicate code, and implementing new features.
• Developed backend and occasional frontend features, with a focus on financial transactions and online payments.
• Created a high volume remote financial transaction API and established data retention procedures.
• Conducted code reviews and mentored junior developers.
• Technologies used: PHP 5,6,7, HTML5, JavaScript, Zend Framework 1, Composer, MySQL 5.7, CentOS 6,7, Apache HTTP Server, Redis, Docker, Scala, Akka.

01/2010 – 06/2014: Java, J2EE Developer

• Implemented a proprietary data-store and performed batch processing of financial data.
• Migrated existing solutions from COBOL to Java, improving and consolidating them.
• Designed and implemented new solutions, focusing on performance improvements and parallelization.
• Introduced web and desktop GUI interfaces to improve end-user experience.
• Technologies used: IBM WebSphere AS, IBM Mainframe, IBM z/OS WebSphere with Compute Grid, IBM z/OS DB2, Spring 2, EJB 2.1, 3.0, Hibernate 3, Swing, Eclipse, IntelliJ IDEA.

05/2007 – 10/2009: Java, J2EE Developer

• Implemented and specified business functionalities and designed technical concepts.
• Took full responsibility for web client architecture and custom GUI libraries.
• Technologies used: IBM WebSphere AS, IBM Rational, MSSQL, Oracle, Hibernate 3, JBoss 3, EJB 2, JSF, Swing, Google Web Toolkit, HTML, CSS.

10/2004 – 07/2006: Java Developer/Designer

• Developed Java-based solutions, including identity management and billing systems for telecommunications.
• Integrated with external legacy systems and optimized systems for performance.
• Developed management tools and utilized profiling and optimization tools.
• Technologies used: Sun ONE AS, Sun Identity Manager, IBM DB2, JMS, MQSeries, Java Networking, Berkeley DB, JMX, Swing, Oracle, PostgreSQL, Hibernate.

03/2004 – 09/2004: PHP Developer

• Programmed web frontend and administration backend using PHP and MySQL.
• Technologies used: PHP 4, Apache, MySQL, HTML, XTemplate, Smarty.

Education:

• Comenius University, Bratislava, Faculty of Mathematics, Physics, and Computer Science.
• Field of study: Computer Science, with specializations in parallel and distributed computing, software engineering, databases, and compilers.
• Gymnázium Konštantínova 2, Prešov, General Purpose Education.