Leszek Deska
Mentor
Rising Codementor
US$0.00
For every 15 mins
ABOUT ME
Full Stack Java Developer
Full Stack Java Developer
I'm an IT specialist and manager with sound technical background. PhD in IT, 17 years of professional experience.
Warsaw (+02:00)
Joined November 2017
EXPERTISE
20 years experience
Design, implementation, performance tuning.
Design, implementation, performance tuning.
19 years experience
Experience gained during PhD studies in that field
Experience gained during PhD studies in that field
REVIEWS FROM CLIENTS
Leszek's profile has been carefully vetted and approved as a Codementor. Connect with Leszek now, and leave a review for them once you're done!
EMPLOYMENTS
Senior Designer Developer, Lead, Teams Manager
Clear2Pay / FIS Fidelity Systems
2008-04-01-Present
Implementation of payment processing systems for banks across Europe: CEDICAM, SIBS, CommerzBank plus internal products shared among proj...
Implementation of payment processing systems for banks across Europe: CEDICAM, SIBS, CommerzBank plus internal products shared among project: SEPA, SWIFT, UKFP. Used technologies and tools: Oracle, DB2, Java, J2EE, EJB, JSP, BPEL, MQ, JMS, XML, XSD, SOA, struts, hibernate, IBM WebSphere, WID, WPS.
Java
Oracle
EJB
View more
Java
Oracle
EJB
WebSphere
BPEL
Bpmn2
Hibernate ORM
View more
Senior Designer Developer
Oracle
2005-01-01-2008-03-01
Implementation of J2EE applications for Oracle clients, mainly Polish Police. High availability applications 24/7/365 written using: Orac...
Implementation of J2EE applications for Oracle clients, mainly Polish Police. High availability applications 24/7/365 written using: Oracle, SQL, PL/SQL, Java, J2EE, ADF, BC4J+UIX or JSF, SOA, JDeveloper. Created systems: KSIP (main information system for police to register information like offenses) and KSI (necessary to include Poland into Schengen Agreement).
Java
SQL
Oracle
View more
Java
SQL
Oracle
Jsf
SOA (Service-Oriented Architecture)
Oracle PL/SQL
Oracle ADF
Uix
View more
Designer-programmer
Canal+ Cyfrowy
2001-01-01-2004-12-01
Implementation of application for subscribers management, contact with system users, vindication companies, banks (Citi, ABN AMRO), payme...
Implementation of application for subscribers management, contact with system users, vindication companies, banks (Citi, ABN AMRO), payment cards authorization companies (PolCard, e-Card).
Migration of data after merge with WizjaTV (owned by UPC): desing of process, meetings with counterparts in WizjaTV, implementation, execution of data migration (high volume of data).
Java
Oracle
JSP (Java/Jakarta Server Pages)
View more
Java
Oracle
JSP (Java/Jakarta Server Pages)
Oracle PL/SQL
View more