January 2019 - May 2020Headless API-based ecommerce system, allowing template-less eCommerce to be integrated as middleware into Enterprise ERP systems.Subprojects:- Development of a module for representation of data from the relational database.- Creation and integration new payment system for the full order life cycle.Responsibilities:- Requirement analysis;- Data modelling and database design;- Implementation of backend functionality;- Bug fixing and refactoring;- Meetings with customers;Tools & Technologies: Java8, Spring Framework, Spring Data, Spring Batch, OpenJpa, MySql, Oracle, Liquibase, Apache Camel, Apache ActiveMQ, OSGI, JUnit, Assertj, Mockito.May 2020 - February 2021Developing Java/Spring-based software that extends the Hybris platform to provide web and mobile applications, as well as integrations with other systems.Responsibilities:- Requirement analysis;- Implementation of backend functionality;- Bug fixing and refactoring;Tools & Technologies: Java11, Hybris1905, Apache Solr, Apache Ant 11, Assertj,JUnit, Liquibase.February 2021 - December 2022 Java-based software development in the field of patent lawResponsibilities:- Requirement analysis;- Implementation of front/backend functionality;- Bug fixing and refactoring;Tools & Technologies: Java8, Maven, Assertj, JUnit.December 2022 - presentDeveloping Java/Spring-based software for a global loyalty program and marketing platform focused on customer rewards.Responsibilities:- Requirement analysis;- Implementation of front/backend functionality;- Bug fixing and refactoring;Tools & Technologies:Java 11, Weblogic 14, Tomcat 9, JSF 2.3, Primefaces 10, Kafka, Spring 4, Hibernate 5, OpenApi, Oracle 19c, PostgresSQL 10.