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  • 1. JIRI CELAK’S CURRICULUM VITAE PERSONAL INFORMATION Name MGR. JIRI CELAK Address 12 Padcroft road, West Drayton, Middlesex, UB7 7RB, UK Telephone +44 789407 6949 WWW http://www.celak.net E-mail jiri@celak.net Nationality Czech Republic Date of birth 13. 2. 1979 About me I am an experienced sun certified enterprise architect/developer with a strong academic background (Master degree in computer science) and 6+ years experience in full cycle of software development. My main technical expertise include complete J2EE stack, Oracle database and standard web technologies like XML,XSLT,SOAP, …. My technical knowledge is backed with industry standard certification (OCA, SCEA, SCWCD and SCJP). I am mainly interested in web 2.0 projects, agile methodologies, performance management, distributed, messaging, and web application, and their architecture and implementation using J2EE technologies and frameworks like Spring or Hibernate. My strengths include broad technological knowledge, the ability to solve complicated tasks, and introducing simple, consistent, scalable, and maintainable architecture. I am founder and only developer of http://www.mavenjava.com and http://www.liondrive.com. WORK EXPERIENCE • Dates NOVEMBER 2004 – August 2008 • Name and address of employer IS GROUP part of The Carphone Warehouse plc Support Centre 1 Portal Way London W3 6RS http://www.carphonewarehouse.com • Type of business Telecommunications, Mobile phone retailer • Position held Sollutions architect, Technical lead • List of some projects I’ve Project name: EWS – enterprise web strategy participated Client: Carphone warehouse Project description: Define strategic architecture for future web platform at CPW and implement new architecture on www.carphonewarehouse.com web site. Technologies: Java, J2EE, Hibernate, Spring, Tibco, XML, JDBC, Web services, PL/SQL, Oracle, Tomcat, HTML, JavaScript Methodology: Agile My role: Solutions architect Project length: 6 months defining architecture, 12 month development Project team size: 20 people Page 1 - Curriculum vitae of For more information please visit Mgr. Jiří Čelák http://www.celak.net
  • 2. Project name: Cobal Client: Carphone warehouse Project description: Introduce SOA architecture with new strategic CRM and billing platform. Integration of existing CPW IT systems with the new platform Technologies: TIBCO, Chordiant, SingleView, Java, J2EE, Hibernate, Spring, Oracle, Tomcat Methodology: Waterfall My role: Solutions architect responsible for online retail channel. Project length: 12 months Project team size: 200 people Project name: LLU – SSM (CPW “Free broadband” proposition) Client: Carphone warehouse Project description: Web-based system for selling new products based on LLU (local loop unbundling). Improve system architectures in CPW to be able to process very large number of customer. Design and implement highly scalable and maintainable sales and customer care sites with integration to lot of other third party systems (billing systems, validations systems for bank details, credit cards, credit checks, … ) Technologies: Java, J2EE, XML, JDBC, Web services, PL/SQL, Oracle, Tomcat, Symantec I3, HTML, JavaScript My role: Technical lead, Developer of core parts. Project length: 10 months Project team size: 20 people • Dates 2001 – 2004 • Name and address of employer Unicorn plc Danube House Karolinská 650/1, 186 00 Prague 8, Czech republic http://www.unicorn.cz/en/ • Type of business Information and Communication Technology (ICT) services • Position held Senior developer, Team leader, Trainer • List of some projects I’ve Project name: Physical application framework participated Client: CSOB (One of the largest bank in Czech republic) and UNICORN Project description: Application framework based on J2EE technologies, that was developed for CSOB and it is still being used for all Java-based projects in UNICORN. Technologies: HTML, JavaScript, Java, J2EE, XML, XSL, JDBC, PL/SQL, Oracle, WebLogic BEA, IBM Websphere, Apache Jakarta Tomcat My role: Team leader Project length: 1.5+ year Project team size: 10-30 people Project name: APS - Application Processing System Client: Raiffeisenbank (One of the largest banks in the Austria ) Project description: Web-based system that helps to handle consumer lending purchase and the whole approve procedure in the bank. Technologies: HTML, JavaScript, Java, J2EE, XML, XSL, JDBC, PL/SQL, Oracle, Tomcat My role: Developer Project length: 2 months Project team size: 10-13 people Page 2 - Curriculum vitae of For more information please visit Mgr. Jiří Čelák http://www.celak.net
  • 3. • List of courses I taught as a trainer Java (2 days – Java basics) for external customers Java advanced (2 days – Inner classes, Java IO, Reflection, Networking, Serialisation, …) JDBC Database Access (1 day – Principals, Mapping SQL types to Java types, JTA, … ) Java Servlets and JSP (2 days – Sessions, JSP and Servlets relationship, JSP tag libraries, JSP expression language, …) J2EE architecture and EJB (2 days – J2EE technologies, Types of EJB, EJB life cycle, …) Mastering EJB (2 days – EJB clustering, CMP versus BMP Entity Beans, Performance, …) J2EE Design Patterns (2 days – Core J2EE patterns, Presentation, Business and Integration Tier) Oracle 9i PL/SQL (2 days – basic PL/SQL syntax, development tools) XML – (1 day – XML structure, DTD, XSD, IE XML support) XSLT – (2 days – basic XSL syntax, XML transformation to HTML, RTF, PDF, Formatting objects) ACADEMIC EDUCATION • Dates 1999 - 2004 • Name and type of organisation Charles University in Prague providing education and training Faculty of Mathematics and Physics Branch Computer Science Distributed Systems • Title of qualification awarded Master degree INDUSTRY STANDARD CERTIFICATIONS • Name and type of organization Sun Microsystems, Oracle University providing education and training • Title of qualification awarded Sun Certified Programmer for the Java 2 Platform, Standard Edition 5.0 (CX-310-055) Sun Certified Web Component Developer for the Java 2 Platform, Enterprise Edition 1.4 (CX-310-081) Sun Certified Enterprise Architect for the Java 2 Platform, Enterprise Edition (CX-310-051, CX-310-300A, CX-310-061) Oracle Database 10g Administrator Certified Associate (1Z0-042) TRAININGS • Dates August 2005 • Name and type of organization Oracle University providing education and training • Name of the training Oracle Database 10g: SQL Tuning Workshop • Dates June 2006 • Name and type of organization Sun Microsystems providing education and training • Name of the training Architecting and Designing J2EE Applications (SL-425) • Dates 01 August 2008 • Name and type of organization Tibco providing education and training • Name of the training Architecting a TIBCO SOA (ARC602) Page 3 - Curriculum vitae of For more information please visit Mgr. Jiří Čelák http://www.celak.net
  • 4. PERSONAL SKILLS AND COMPETENCES MOTHER TONGUE CZECH OTHER LANGUAGES ENGLISH • Reading skills VERY GOOD • Writing skills GOOD • Verbal skills VERY GOOD GERMAN • Reading skills VERY GOOD • Writing skills GOOD • Verbal skills GOOD Page 4 - Curriculum vitae of For more information please visit Mgr. Jiří Čelák http://www.celak.net
  • 5. TECHNICAL SKILLS Category Subcategory Level of knowledge Analysis and Design UML good OOAD (Enterprise Architect, intermediate Rational Rose, Visio) Data Modeling (Power Designer, intermediate Rational Rose, Visio) Design patterns (GoF, J2EE very good design patterns) Development Agile Very good methodologies Waterfall/Iterative good Databases Oracle administration good Oracle development intermediate MySQL Very good SQL very good PL/SQL intermediate Programming Java (RMI, IDL, Reflection, JDBC) very good J2EE (JSP, Java Servlets, JMS, very good EJB, JNDI, JAAS, ...) Java Web Services good C++ basic PHP intermediate Action script Good JavaScript, JScript Good J2EE frameworks Spring Good Hibernate very good WebWork intermediate STRUTS good JDO intermediate Application servers IBM WebSphere good Apache Jakarta Tomcat very good JBoss intermediate BEA WebLogic intermediate MarkUp languages XML (DTD, XSD) very good XSLT very good HTML, CSS good Operating systems Windows good Linux good Solaris good DRIVING LICENCE(S) Cars up to 3500 kg and 8 persons Motorcycles up to 50 ccm Page 5 - Curriculum vitae of For more information please visit Mgr. Jiří Čelák http://www.celak.net