CV

Yalçın Yenigün

yyenigun@gmail.com

http://tr.linkedin.com/in/yalcinyenigun

https://github.com/yyenigun/

 

An accomplished software engineer specializing in Object-Oriented Design, Analysis, Agile and Test Driven Development with 8 years of experience in the full lifecycle of the software design process including requirements definition, prototyping, proof of concept, design, interface implementation, testing and maintenance.

 

Education

 

  • M.S., Computer Engineering, Galatasaray University, 2017 (expected).
  • B.S., Computer Engineering, Galatasaray University, 2010.

 

Work Experience

 

2015 – present, Expert Software Engineer, iyzico.

  • Development of large scale payment system.
  • Development of real time fraud detection system by building an ensemble of ML&AI models that balances overall revenue and true positive rejections.
  • Used technologies: Java 8, Scala, Spark, Python, Spring Boot, Groovy, Redis

2013 – 2015, Unit Manager, Bilge Adam.

Unit Manager, Software Development Unit – Java & Open Source

  • Interviews with 50+ software engineers and handled recruiting and people management for the division of 10+ software engineers.
  • Built up the software development life cycle of Java & Open Source technologies department
  • Led company’s Agile transformation process

SCRUM Master, Syncsort DMExpress Web & Mobile Project

  • Implemented various areas of web and mobile projects of Syncsort DMExpress, an ETL tool for big data integration
  • Management of SCRUM process and accountable of removing impediments of the team
  • Project link : http://www.syncsort.com/en/Products/DMX/DMX-Overview
  • Used Technologies : Java, C, JNI, JAX-RS, Jersey, JUnit, Tomcat, Maven, IONIC, AngularJS, Appium, Jasmine

Consultant, Digiturk Online Self Care Project

  • Implemented backend services of Digiturk online self care project for the largest digital media company of Turkey with more than 3 million subscribers
  • Project link : https://onlineislemler.digiturk.com.tr/
  • Used Technologies : Java, Spring, JAX-WS, PL/SQL, Oracle Weblogic, Maven

Trainer, Bilge Adam Corporate Academy

  • Trainer of “Java Programming”, “Effective Java Programming”, “Java Enterprise Edition”, “Java Web Services” and “Android Programming” courses
  • Course links : http://www.egitimtakvimi.com

 

2010 – 2013, Software Development Engineer, Vodafone.

  • Participated development of Service Delivery Framework (a concept of SDP) which enables mobile operators to create and deploy their own multimedia services through multiple channels for 20 million subscribers of the largest telecommunication company of the world
  • Implemented Vodafone Partner Portal web project
    • Used Technologies : Google Web Toolkit, Oracle Weblogic, JPA, Spring, Hibernate

 

2009 – 2010, Software Development Specialist, Zerobuffer.

 

Personal Projects

 

 

Publications

 

 

Skills

 

  • Languages: Turkish (Native), English (Fluent), French (Fluent, DELF B2 Certified)
  • Programming Languages: Java, C, Objective C, Ruby, Python, JavaScript
  • Concepts: OOA/OOD (UML, Design Patterns, Refactoring), Unit and Integration Testing
  • OS: MS Windows, Solaris, Linux (Fedora,Ubuntu)
  • SOA: Web Services, SOAP, REST, WSDL, XSD, XML, Apache Axis, JAX-WS, JAX-RS, Jersey
  • Web: J2EE, JSF, JSP/Servlets, Spring MVC, Seam, JBOSS A.S., Google Web Toolkit, Graymound, Oracle Weblogic Portal, Oracle Weblogic Server, Ruby on Rails, AngularJS
  • Mobile: Native mobile application development on Android, Hybrid mobile development with Phonegap and IONIC
  • Tools&Utils: Eclipse, Netbeans, Xcode, JUnit, Mockito, JMock, Ant, Maven, Gradle, CVS, Subversion, Git, Sonar, Bamboo, Archiva, Jira, Confluence, Appium, Jasmine, Crucible, Fisheye, Jenkins, ScalaTest, Groovy Spock
  • Agile: Agile development, Scrum(Scrum Master), Continous Integration, Test Driven Development, Code Review, Pair Programming

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