Experience

Tanı Pazarlama ve İletişim Hizmetleri A.Ş.

• Türkiye
• Advertising Services
• 100 - 200 Employee

• Senior Software Engineer

  • May 2022 - Present



Garanti BBVA Teknoloji

• Türkiye
• IT Services and IT Consulting
• 700 & Above Employee

• Big Data Engineer

  • Nov 2019 - May 2022



Yapı Kredi

• Türkiye
• Banking
• 700 & Above Employee

• Software Engineer

  • Sep 2014 - Nov 2019

  Data Warehouse Knowledge and experience with Enterprise Data Warehouse concepts, data modelling (physical, logical, conceptual) * Maintenance and implementation of Data Warehouse, Data Marts and Operational Data Store using Oracle Database and Sybase * Development of ETL processes with Informatica * Performance tuning and optimization Payment Systems Integration of Micro Services (Pilot Project) * Optimization of applications and batch data processing for software architecture in JAVA. * Database modelling (relational, multidimensional, object, etc.) * Implementation and / or optimization of data synchronization/replication processes between multiple sources * Developing RESTful APIs using Spring MVC, Integration patterns, Sprint Boot and JSON * Design specifications, technical decisions, architecture and development React.JS in cooperation with UX experts and the creative design team * Java frameworks such as Spring, Hibernate and web technologies - React and single page applications * Relational databases, developer and build tools such as Eclipse, Maven * Unit Tests - repository, service, Controller Test and Functional Test implemented in Mockito. * Code management/deployment pipeline technologies Bitbucket, Bamboo * Development tools like Eclipse, Git, Jira * API Documentation is done by using Swagger Card Systems Database and online services performance tuning and troubleshooting. * Credit Card end of the day system which developed with PL/SQL code performance has been improved by 30%. * Oracle backup and recovery scenarios. * Database optimization (indexation, partitioning, parallelization, configuration, etc.) * Web services are developed with WCF to be used Java FE. * PL/SQL web services which use dblink have been converted to .NET web services developed with ASMX. Show less