Some of my activities are:Development of backend end points with Kotlin, Functional Programming, Spring Framework,Development of cron jobs in Kotlin which transfer data from my sql (operational database) to summary tables in big query for customer tracking and insight dashboards,Implement custom ORM solutions

I worked as a domain co - leader in a development team of 10 - 30 developers for our Customer Vodafone. Atos was the managed services provider of Vodafone Turkey, and my team was responsible for development and testing activities of Vodafone Legacy Systems mainly consisting of a web application on Customer Care domain. We had a scrum master training as a team and practiced scrum in a continuous delivery environment with the functional test team. My main responsibilities were:• Technical Analysis and Design Handover meetings with the customer for comprehension of requirements • Building Low Level Design and Architecture document• Detailed Effort Estimation over Low Level Design document• Project Planning, Governance and Code Reviews• Orientation, training and mentoring of developers.• Single Point of Contact (SPOC) with customer for complete lifecycle of a project • Bug management: Defect analysis and dispatching, impact analysis, technical coordination of support team and VF operation team, operational customer management, code reviews• SLA (service level agreement) compliance management, quality improvement activities according to defect density and root cause analysis, support to invoicing process regarding SLA penalty calculation and development effort, penalty decrease activities.Used technologies: J2EE, JSP, jQuery, XML, SOAP, SQL, PL/SQL, Oracle 10g, Oracle 11g, Eclipse, RAD, IBM WebSphere App Server, Tomcat, ClearCase, Jira, MS Project, Power Designer

My main responsibilities were:• Support to low level design document,• Back-End Web Development, JSP development, PL/SQL development based on a functional analysis document, a high-level design document and a low-level design document with certain service level agreements with customer regarding deadlines and defect numbers, • Build a release notes document mainly including all deployment steps and interface changes.• Handover to test teams and support during functional tests and acceptance tests on customer side• On-site support during deployment to production• Support on production environment• Code reviews of team members I developed projects like- Transaction Document Management project focused on implementing an infrastructure for providing a data set for reporting a list of transactions to external audit institutions, development on applications on Java and development of a batch process in PL/SQL.- Campaign Infrastructure Changes for launch of new campaigns consisting of user interface changes, business flow updates and interface changes with other domains.- Customer Master Data Management project concerning getting customer data from external web services and displaying it on user screens, development of batch process on PL/SQL. Used technologies: J2EE, JSP, jQuery, XML, SOAP, SQL, PL/SQL, Oracle 10g, Oracle 11g, Eclipse, RAD, IBM WebSphere App Server, Tomcat, ClearCase, Jira, MS Project, Power Designer

Analysis, Design, Development, Unit Level Testing, Deployment, Maintenance in: - Financial Reporting Projects with Java technologies in XML format- Legal Financial Reporting Projects with Business Objects Web Intelligence and Universe Designer, Oracle 11g and Oracle Warehouse Builder- Development of Treasury Datamart for Legal Reporting with ETL using Oracle 10g, PL/ SQL and Oracle Warehouse Builder- Main Banking System Environment Projects like Payment Systems and Safe Deposit Boxes, using Java Technologies, Eclipse, Aurora Framework, iBATIS, BPM, EBML Development Studio, SVN