Piotr Łazarczyk Email and Phone Number

Designing and coding system for signing documents (integration issues) - Designing, development- Java8- Tomcat 8- REST services- Spring Boot- Spring Data- Apache Maven- openSAML- postgreSQL- OracleDBPlatform for recording and analyzing the data of participants of mass sport events (backend) - Development- Java7- JBoss 7- REST services- postgreSQL- iBatisB2B exchange information system following architecture client-server - Designing, development , maintenance- Java7- Spring Boot- Tomcat- WEB services- implementing digital signature verification and timestamping documents- postgreSQLIntegration system for data exchange web platforms - Designing, development , maintenance- Java7- postgreSQL- Apache CamelMigration of complex and multidatabase systems in enterprise environment - Designing, development- Java5 - 8- JBoss- Spring Boot- Nuxeo Framework- Hibernate- migration problems for large amounts of data between DB Oracle -> postgreSQL- migration problems between operating systems Windows -> Ubuntu- maintaining and developing the code- implementing digital signature verification and timestamping documents- administration of ubuntu servers (security, backups, WWW)Archiving and sharing data and document images system & Online platform for the data and document images exchange - Designing, development , maintenance:- Java5- Nuxeo Platform- JBoss4.3- Hibernate- EJB 3.0- WEB services- Seam Framework- Apache MavenOnline payment system - Development , maintenance- Java5- JBoss4.3- Hibernate- WEB services- EJB 3.0- JSPDevelopment of existing solutions, care of legacy systemsB2B and B2C project management, direct cooperation with the clientsCost estimations and budget planning

Development of existing solutions, care of legacy systemsOptical character recognition and image processing systemDesigning, development , maintenance- Delphi 6, Delphi 7- MS SQL Server- Informix

Administration of interbank settlements systems