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Piotr Woźniak has worked in the IT industry since 2006. From 2006 to 2011, they worked at SEVENET as a Programmer and Manager of the Programming Department. During this time, they worked with Java (J2EE, Spring, Hibernate, Swing), C# (Windows Forms, Services, WPF, ASP.NET), PHP, SQL (Postgres, SQL Server, MySQL, Oracle), Bash, and Perl. From 2011 to 2016, they worked at Sii Poland as a Java Developer, using Java (J2EE, Struts, Spring Webflow, Web services, Hibernate, JPA, Tiles), SQL (Oracle 11g), Oracle WebLogic Server 10.3, Oracle Tuxedo, Oracle Service Bus, and IBM WebSphere 7.0. From 2016 to 2022, they worked at Nordea as an IT Expert Developer, getting things done. Currently, they are working at Virtuoso as a Back End Engineer.

Piotr Woźniak obtained a Magister inżynier (Mgr inż.) in Informatyka from Gdańsk University of Technology in 2008. Piotr also holds a variety of certifications, including a Functional Programming with Java certification from LinkedIn obtained in November 2021, a Learning MongoDB certification from LinkedIn obtained in November 2021, a Problem Solver (Intermediate) certification from HackerRank obtained in November 2021, a Learning Java Lambda Expressions certification from LinkedIn obtained in October 2021, a Spring: Spring Data 2 certification from LinkedIn obtained in October 2021, a Learning Spring with Spring Boot certification from LinkedIn obtained in September 2021, a Spring Boot 2.0 Essential Training certification from LinkedIn obtained in September 2021, an Ansible Essential Training certification from LinkedIn obtained in October 2020, a DevOps Foundations: Continuous Delivery/Continuous Integration certification from LinkedIn obtained in October 2020, a Git Essential Training: The Basics certification from LinkedIn obtained in October 2020, a Git Intermediate Techniques certification from LinkedIn obtained in October 2020, a Git: Branches, Merges, and Remotes certification from LinkedIn obtained in October 2020, a Learning Docker certification from LinkedIn obtained in October 2020, a Learning Jenkins certification from LinkedIn obtained in October 2020, a Learning Kubernetes certification from LinkedIn obtained in September 2020, an ITIL® Foundation Certificate in IT Service Management certification from APMG International obtained in November 2016, an Atakowanie i ochrona aplikacji webowych certification from Niebezpiecznik.pl obtained in June 2013, an Oracle Database SQL Certified Expert (1Z0-047) certification from Oracle obtained in October 2012, and an Oracle Certified Professional, Java SE 6 Programmer (CX-310-065) certification from Oracle obtained in April 2011.