Erhan Ayan Email & Phone Number

Istanbul, Turkey

IT Team leading & development of reinsurance applications. Collaborating and working closely with business owners, analysts. Proportional and non-proportional treaty reinsurance agreements and risk identification. Calculating reinsurer' premiums of policies and claims responsibilities . Reinsurance accounting. JEE(Java, JSF, Primefaces, Spring, Hibernate, SQL, PL /SQL), Oracle DB. IBM Websphere, Tomcat Application Servers. CI/CD wih Jenkins. Version Management with Git. Jira task management. Code quality check with SonarQube.

İstanbul, Türkiye

Working for Groupama Turkey which is a global insurance and life-pension company.WAY (Web Acente Yazılımı)Development and management of web enabled production systems (issue policy, do premium payment, etc.) for insurance agents (2000+). JEE (Java, Servlet, JSF, JSP, Open JPA, Webservices with IBM Rational Business Developer-Eclipse-), As400 PGMs, DB/2, Redhat Linux. Agencies via internet https connection through balanced IBM HTTP Servers to IBM Network Deployed Websphere Application servers. Used IBM Rational Performance Tester to monitor and report SLA with synthetic jobs. Virtulization & DRC Architecture of service.VPOSAll of the major banks VPOS integration (Garanti, İşbank, Akbank, YKB etc.) Developed multithread java application which is working on As400 which send and get credit card xml data through https Url call.ZiraatBank Online Premium CollectionSuccessfully directed both Ziraat Bank-Fintek team, Groupama Core Insurance and Web Development team to finish project on time. The Application used all of the ZiraatBank' branches (1000+) Facilitate premium collection and agreement via webservices.Groupama WebService called from ZiraatBank Bank Application screens for premium collection..Net-C#, As400 PGMs and DB2. Groupama Sigorta CRMWeb application for customer care agents to maintain customer retention. (policy, claims, payment inquirying, suggestion classification/management etc.) . ASP .NET Web application, webservices and As400 PGM /DB2 call. Groupama Emeklilik Internet SiteWeb App for customer to inquiry their policy, make payment via 3DS VPOS payment integration.ASP .NET, C# & Oracle PL/ SQLGroupama Brokers/Banks Online IntegrationDeveloping generic webservices to create proposal, issue policy, do credit card payment.Insurance agencies /brokers are able to use their own 3rd party application with Groupama Webservices integrated.

İstanbul, Türkiye

Telenity is a Software Solution company in telecom domain. Which produces solution for Turkcell, Avea , other country's telecom operator.Management and participation in development of Canvas CSP ,Converged Services Platform , Service Delivery Platform, SDP, solution configuration and customer care portal using J2EE(Java, portlet, Jsp, Webservices Oracle Bpel, Open JPA, Oracle DB) and Oracle Portal deployed on Redhat Linux servers with two team members. Solution includes XSGW, COE, MSGW application to facilitate Telecom Company and 3rd Party application interaction based on SLA for VAS services.

İstanbul, Türkiye

Participate in development of e-birlik project which facilitate the examining and verifying electronic data customs declaration behalf of Republic of Turkey Undersecretary of Foreign Trade. J2EE technologies (Java, Servlet, JSP, XML, Apache Struts) used to both synchron and asynchron development. It includes cross platform development. Front Operation systems are Redhat Linux’ with clustered Bea/Oracle Weblogic Application servers and Oracle RAC DB. Linux server connected backend 13 As400/DB2s via vpn. Some linux shell scripting and PLSQL.Customer site development and management of system support team after successful installation of the e-birlik project. Management of 13 IT Manager and Account Manager Demands. System Support team leading (Managed 2-4 engineers): management of Linux servers, Weblogic Application servers, Oracle RAC 10g DB management.

Ankara, Türkiye

Develop some application for budgetary system including clothing and stored foods budget planning using ASP, Java and Oracle RDBMS.

İstanbul, Türkiye

Participate in development of A1GUI project (an ERP packet) which facilitates the Wholesaler Firms ongoing business. Responsible to development of current account, current account' motions modules using Cool:GEN case tool and SQL Server RDBMS.

İstanbul, Türkiye

Participate in development of A1GUI project which facilitate the Wholesaler Firms ongoing business. Responsible to development of invoice tracking, fixed assets management, budgetary control modules using Cool:GEN case tool and SQL Server RDBMS.