About

Hi, I'm a guy who develops database software. Somewhere during my mid 20's I got interested in software and decided to give it a go and try database "stuff". Seems that it worked out and I became a professional developer - I keep learning and created this page to keep an up to date resume

Experience

Software developerFirst Data Poland (since 2018/03)

Development and maintenance of OLTP system for payment instruments issuance, management and transaction processing.

Technical responsibilites:

  • PL/SQL development (new transactional modules, API, reporting)
  • query and process optimization
  • integration with other applications via Oracle Service Bus
  • frontend development - Oracle APEX & Apache server with mod_plsql (basic html/css + javascript)
  • minor Java development

Used tools: SQL Developer, TOAD, Oracle APEX, Eclipse, GIT, SoapUI, jMeter

QA AnalystFirst Data Poland (2016/09-2018/02)

Quality assurance for multi-tier systems for payment instruments issuance, management, transaction acceptance and proccessing.

Technical responsibilites:

  • Preparation of test strategy for application changes and new features
  • Execution of functional, integration and performance test for various applications (mainly Java and Oracle DB based)

Used tools: SQL Developer, SoapUI, jMeter

Junior software developerAccenture(2015/11-2016/08)

Development, maintenance and testing of projects based on Oracle database and SAS in banking sector.

Technical responsibilites:

  • Development and testing of SAS Customer Intelligence workflows
  • Development and testing of ETL processes on Informatica PC and Oracle database

Used tools: SQL Developer, SAS Customer Intelligence, Informatica PC

Skills

PL/SQL & SQL - good - 5+ years experience

Java - basic - occasional development of simple components

JavaScript - basic - occasional development of simple components

I also worked with SQL Server (some T-SQL), little bit with Perl and Python but don't remember much of it :)

Tools

SQL Developer TOAD GIT Oracle APEX Eclipse SoapUI jMeter Informatica PC

Certificates & courses

Oracle SQL - 18C Performance tuning

Oracle PL/SQL - 18C Advanced programming

Education

2017/09-2018/02 Polish-Japanese Academy of Information Technology. Post graduate: Information systems, applications and databases

2014/09-2015/06 Polish-Japanese Academy of Information Technology. Post graduate: Computer Science - database applications

2011/09-2013/06 Warsaw School of Economics. Master degree: Law & Economics