Roman Grigoriadi available

Roman Grigoriadi

Senior Java Developer

available
Profileimage by Roman Grigoriadi Senior Java Developer from
  • Freelancer in
  • Graduation: not provided
  • Hourly-/Daily rates: 50 €/hour 350 €/day
    Negotiable
  • Languages: English (Limited professional) | Russian (Native or Bilingual) | Czech (Native or Bilingual)
  • Last update: 10.01.2018
KEYWORDS
PROFILE PICTURE
Profileimage by Roman Grigoriadi Senior Java Developer from
SKILLS
Java Technologies / frameworks:
JPA, Hibernate, Spring, Spring Security, Spring WS, Spring AOP, AspectJ, JAXB, JAXWS, SAAJ, JSONB, JTA, Apache Wicket, Java Servlet API, JSP

Testing:
JMH, JUnit, Mockito, OWASP ZAP, Selenium)

Databases:
Oracle DB, PostgreSQL, MySQL

Other:
Kubernetes, Docker, Linux, Bash, Jenkins, Gitlab, Maven, Ant, Jira, Confluence
REFERENCES
03/2011 – 10/2015 Airbank a.s.
• Development of banking subsystems based on opensource technology stack as Spring, Spring WS Hibernate, and Apache Wicket.
• Design and implementation on frontend part of an internet banking client application:
• Implementation of core security feautures: client authentication, role based authorization, frontend security components integration, support for penetration testing. (Apache Wicket, Spring security)
• Implementation of base frontend components for internet banking application integration and development. (Apache Wicket, Spring)
• Implementation of administration modules for bank employees. (Apache Wicket, Spring, Hibernate, ForgeRock OpenAM)
• Design and implementation of a bank insurance broker subsystem: ? DB model and java backend for bussiness components (Oracle DB, Hibernate)
? Web service interface implementation (WSDL, SpringWS) ? Jobs for payments and payment refunds generation (Spring, Quartz)
• Implementation of various bussiness logic in banking subsystems.
• Production environment support with bug fxing.

07/2009 – 02/2011 Direct Pojiš?ovna a.s.
• Insurance system based on customized framework derived from EJB2, and struts.
• Implementation of insurance system backend bussiness logic for managing insurance products, contracts, clients, policies, claim evidence and fraud detection.
• Technical framework optimization and refactoring.

11/2007 – 05/2008 Kyberie s.r.o.
• Yeti system for insurance broker company based on Spring, Hibernate, PostgreSQL, Lucene and Wicket.
• Technical integration and business requirements implementation.

03/2007 – 10/2007 Allstar Group s.r.o.
• Development and support of web applications based on PHP and MySQL.
TIME AND SPATIAL FLEXIBILITY
Available to travel to Germany several times a month. 
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