Full Stack Developer

Rating & Billing Senior Software Developer (Contractor), Istanbul/Turkey
Oktay has a leading role in Turkish Telekom's Billing and Rating Solutions development IT department with the responsibility of complete end to end project/request analysis, development and delivery using Agile software development principles. He is responsible for coding, debugging and supporting test teams.  He worked compatible with analysts and designers in order to develop solutions to new requests on the billing & rating system.
•    Java 7/8
•    Spring Framework, Spring Boot
•    JPA, hibernate
•    AngularJS
•    RestFul Services
•    Microservices
•    AWS
•    HTML, HTML5, XML
•    Git, SVN, Confluence
•    TDD, BDD, Agile Methodologies
•    Eclipse, intelliJ IDEA, TOAD
•    Oracle PL/SQL Development
•    To participate in the supervision of Information and Communication Technologies Authority & to manage Information and Communication Technologies Authority reports and summary reports
•    Telecommunication Billing impact analysis and invoicing process
•    CDR Work Flow

Automatization of PMO operations (MSP Project – Vodafone Turkey) (Contractor (ATOS)), Istanbul/Turkey
•    Java 7
•    Spring Framework
•    JSP
•    Javascript
•    hibernate
•    Oracle Database
•    Eclipse
•    Git, CVS

Oktay had been in automatization project of PMO operations of Project Management Department. PMO operations that have been automatized;
•    Change Management
•    reporting all details of bugs  ( especially critical bugs ) and statistics of projects, bugs, bug projects
•    preparing invoice and KPI report ( monthly )
•    reporting utilization of resources ( developers & testers )
•    managing all related data of resources & Verification of  project details using Vodafone Jira
•    SLA(Service Level Agreement) preparation & follow-up process
•    SLA Measurement Method Analysis & Improvement
•    KPI measurement, follow-up and reporting

Oracle PLSQL Developer
Billing/Pricing/Invoicing Senior Developer
Oktay had been in Software Development Department in Billing & Rating & Posting domains of MSP Project as Senior Billing PLSQL Developer and Data Analyst. Agile software development principles had been used in MSP Project.
•    Oracle PLSQL/SQL
•    ETL, Integration, Migration
•    TOAD, Oracle SQL Developer
•    to analyze PRB&LLD and Release Notes ( RN ) & Unit Test ( UT ) Documentation
•    to realize new campaigns
•    to decide test strategies, to prepare test data & test support, to support internal projects
•    to improve bug fix, performance tuning

Oktay had worked for Hitit Computer Services that is in airline sector between October 2009 and February 2010. The project was about shop and Miles Loyalty Program (Airlines) . Then, he had worked as project based for several companies until July 2010.
•    Oracle Database, Oracle PLSQL/SQL
•    TOAD, Oracle SQL Developer
•    to analyze system requirements, to do data modeling, to configure Oracle Database, to do physical database design