Position: Senior Software Engineer
Category: Java
English level: upper
Years of experience: 11

* Maintenance of a complex cloud based healthcare application for cancer diagnosis
* Design, development, testing, deployment of a flexible AWS Lambda service
* Design, Development of a BSS backend services for IPTV from scratch with 400.000 active users in production
* Full stack maintenance of intranet portal & batch applications, L2 support to operation teams
* Management & completion of a blockchain project between telco operators, 3rd party companies for fraud data sharing representing one of the telco operators
March 2022 - April 2023 > Senior Software Engineer, Varteq Inc, Remote

    * Development & maintenance of healthcare microservices  with Spring Boot on Google Cloud using Pub/Sub, MySQL, Flyway 
    * Development of a flexible AWS Lambda service for validation & transformation of human input for various cases using SQS, MySQL

July 2013 - Sept 2021 > Senior Software Engineer, Turk Telekom, Istanbul, Turkey

  * Achieved to produce a user-satisfied, fast, highly automated bill refund provisioning and notification app from scratch
 * Seamless development of diverse Spring based, intranet web & batch applications on full stack level, using Spring/Spring Boot, JSF, Primefaces, Tomcat, Weblogic, Hibernate, Maven, Oracle, Java tech stack.
* Handling various tasks from meetings with business analysts, gathering of requirements, accomplishment of analysis, design, development, documentation, testing to guiding operation teams about deployments, production

May 2007 - Jan 2013 > Senior Software Engineer, Argela Technologies, Istanbul, Turkey

Analysis, design, development, testing, performance optimization & addressing NFR cases (HA & failover) for
JEE based Telecom BSS applications in client-server architecture
 * IPTV – Service Delivery Platform – BSS
Successful development & production deployment of highly performant IPTV SDP modules with more than 400.000 subscribers.
Generation of subscription, session orchestration modules and maintenance of subscriber, product and offer, rating, charging manager modules of IPTV SDP with JEE technologies namely EJB, JPA, JAX-WS, JMS on Glassfish Server and Hibernate & Oracle on database side.
  * Targeted Advertisement Platform
Design and implementation of an effective Bulk Sms Publisher Module
  * Sponsored Call - Portal development
Design and development of a dynamic web portal modifiable in runtime without rebuild and redeployment