Kerem G.

Mobile Developer

495 dollar
Freelancer
12 years
London, UNITED KINGDOM

My experience

OnfidoNovember 2018 - Present

Turkcell Technology Research and DevelopmentFebruary 2014 - November 2018

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Turkcell Technology Research and DevelopmentJune 2012 - February 2014

* Development of Turkcell CSI Next Gen Project
* Development of Superonline Online Customer Service Project
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NetaşDecember 2009 - December 2011

Performed enhancements, implemented features for new releases of A2
product which is used by more than 500 worldwide telecom companies.
-Give support to the customers to fix their technical issues such as configuration problems, bug fixes etc...
-Had experience of developing and supporting worldwide used telecom software.

-Handled high number of pager requests, resolved of these requests with
%100 success rate.
-Specialized in upgrade part of the product, performed critical upgrades on customer sites including Verizon, Clearwire, Optus etc...
-Especially worked on Oracle DB related issues, implemented many DB upgrade scripts, performed Oracle DB configurations, resolved performance issues. Became Oracle 11g DBA OCA.
-Prepared a custom upgrade plan and performed upgrade at Madrid for Telefonica which is one of the most important customers.
-Attended meetings with Design Architects to increase product robustness, call attention to customer issues.
-Achieved %70 Major and %90 Business Critical case closure target.
-Created "A2 Wiki" web page to provide common place to share know-how inside A2 Team.
-Trained new hired employees to increase their technical knowledge.
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Mezun GroupMay 2009 - December 2009

Implemented Report and Order Module of Drome which is CRM software.
-Had an experience about payment system development.
-Worked with MSSQL Database / JSF and JPA frameworks.
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ClicklineMay 2007 - September 2007

Website creation&development. worked with Borusan Telekom, Safari, Reklamarasi and Arena Bilgisayar

My stack

Protocols

JSON, SOAP

Mobile

Apple iOS SDK

Software testing

Debugging

Technologies

JSF, WebLogic, Tomcat

Databases

Oracle, Database Administration

Frameworks

Hibernate, JavaServer Faces, JPA

Environment of Development

Xcode, Eclipse

IT Infrastructure

iOS, iPhone

Languages

SQL, Swift, Shell, Objective-C, Perl

Others

Project Management

Other

Visual Designer, Mobile Applications, industry~it, English, Photoshop, Electronic and Communication Engineer, Oracle Database 11g Administrator, Java Developer, LinkedIn, Senior Software Engineer, Certified Associate, Had experience, manage development resources, Mobile Development Team Lead, Oracle Certified Associate (OCA), give support, Analyst/Programmer, Lead developer

My education and trainings

Oracle Database 11g Administrator Certified Associate - Licenses & Certifications

Electronic and Communication Engineer - Yıldız Teknik Üniversitesi2005 - 2009