Levent Gürler verfügbar

Levent Gürler

Software Analyse / Design / Entwicklung

verfügbar
Profilbild von Levent Guerler Software Analyse / Design / Entwicklung aus Mainz
  • 55130 Mainz Freelancer in
  • Abschluss: Dipl. Inform.
  • Stunden-/Tagessatz: nicht angegeben
    Abhängig von Lokation, Funktion und Dauer
  • Sprachkenntnisse: deutsch (Muttersprache) | englisch (verhandlungssicher)
  • Letztes Update: 05.06.2019
SCHLAGWORTE
PROFILBILD
Profilbild von Levent Guerler Software Analyse / Design / Entwicklung aus Mainz
DATEIANLAGEN
Aktuelles Profil
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SKILLS
Analysis, design, implementation, re-factoring and integration of complex n-tier software architectures.
Analysis business products and services, capture requirement analysis from business clients and Stakeholder Management
C++ , Java (Enterprise and Standard edition),
Messaging Systems, Enterprise Integration,
Technical Project Management
Summit / SummitFT
Derivatives Pricing, Risk, Numerix
High Frequency Trading / Algo Trading
PROJEKTHISTORIE
January 2018 till today

Deutsche Bank
Consultant (Lead Functional Analyst / Developer)
  • Requirements analysis and Management for the migration of a core banking system from z/OS DB2 to SAP Hana
  • Stakeholder Management
  • Data Model transformations
  • SAP Hana Performance Analysis and improvements
  • Performance Analysis and improvements of Micro Services
  • Coaching


Technical environment: REST-API, SQL Script, Microservices, Scrum, JavaScript,
Java
Business environment: Core Banking (Accounts and Payments)


June 2017 till January 2018
IST Technologies
Consultant ( Architect / Developer)
  • Redesign and implementation of a Hotel Booking System
  • Requirements Analysis and Management
Technical environment: Microservices, Rest-API, Apache Camel,
Apache Kafka, Scrum, MongoDB
Business environment: Online Business Platform

January 2012 till September 2017

KfW
Consultant (Analyst Architect )
  • Analysis / Design and implementation of a new Parallel Processing (Grid Based) , Pricing and Valuation System for Structured Derivatives using Summit and Numerix CAS / Numerix CAIL, MongoDB and Tomcat.
  • Analysis / Design and implementation of a new Parallel Processing (Grid Based) , Pricing Application for Structured Derivatives using Summit and Numerix Pro Pricing Library
  • Analysis / Design and implementation of Pricing Applications around Summit Trading System
  • Analysis and extension of Pricing and Hedging Applications around Summit Trading System
  • Process Analysis and Design
  • Analysis / Design for Sensitivity Calculations
  • Misys Fusion Capital POC
  • Regulartory Reporting
  • Test conception and implementation
  • Stackeholder Management
  • Requirements Analysis and Management
Technical environment:
CC++, Summit, Numerix Pro 8 /10, Numerix CAS / Numerix CAIL, Jython,
MongoDB, Java (JSE, JEE( JSF, JSP) , Spring , Spring Boot), Tomcat, Scrum, Junit, REST-API,
Apache Kafka, Scrum
Business environment:
IFRS9, IAS39, Bonds, Repo, Structured Derivative Products (Exotics and Inflation linked Products)


January 2016 till March 2016

Finius
Consultant (Analyst / Architect )
  • Requirements analysis and Initial Design of a Reactive Trading System based on OSGI
  • Stackeholder Management
  • Requirements Analysis and Management


Technical environment: Java, OSGI (Apache Karaf), Apache Kafka,
Microservices, Scrum
Business environment: Index Certificates

July 2009 till December 2012

Deka Bank
Consultant (Analyst Architect )
  • Requirements analysis / Design and implementation of a new Market-Making Platform for High Frequency Algorithmic Trading
  • Requirements analysis / Design and Implementation of a Delta One Products Pricing Framework for High Frequency Trading
  • Requirements analysis, Design, Implementation of Order book and Position Management system for High Frequency / Algorithmic Trading
  • Requirements analysis / Design and implementation, Exchange Native API’s for High Frequency Trading (LSE, MILAN, Euronext)
  • Evaluation of Horizon Market Making Trading System
  • Test conception and implementation
  • FIX messaging
Technical environment:
Java, C++, Reuters, NeoNet, Fixnetix, Junit, Microservices, Scrum
Business environment:
High Frequency Algorithmic Trading, Marketdata, Order book Management


January 2009 till July 2009

Deutsche Börse
Consultant (Analyst Architect )
  • Requirements analysis, Design, Implementation of a Risk Engine for multivariate regression analysis (Variance Covariance and Monte Carlo Simulation) to measure Portfolio Risk.
  • Process Analysis and Design
  • Test conception and implementation


Technical environment:
Linux, C++ (STL,QuantLib, POCO) , XP, Oracle 10g, WSS, Propris, Reuters, Bloomberg, Ruby
Business environment:
Exchange Traded Instruments and Derivatives

August 2004 till January 2009

KfW Bankengruppe Frankfurt
Consultant (Analyst/Architect/Coach/Developer)
  • Refactoring and improvement of existing C++ Applications.
  • Analysis / Redesign and implementation of the KfW Market-Data Database.
  • Analysis, Design, Implementation of a new Market data Application layer (Price / Rating) using Reuters and Bloomberg API’s (C++).
  • Feasibility study and implementation of Straight Through Trade Processing infrastructure (Summit STP).
  • Evaluation and Feasibility study to replace Trading System Summit with Trading System Calypso.
  • Establish Summit Classic (C++) to SummitFT (C#) Migration strategy.
-Gap Analysis and definition of Migration paths
  • Migration of C++ Applications to .Net C# and supporting Team on Migration issues
  • Functional extensions on C# Applications (SummitFT)
  • Process Analysis and Design
  • Test conception and implementation


Technical environment:
Summit API (Market Data, STP, STK, MUST),
C/C++ (MS Visual C++ 6/8), Java (JEE), C#, XML, WebServices,
IBM Websphere, DB2, Oracle 9.x, Bloomberg, Telekurs, Reuters,
CM Synergy, PowerDesigner, SummitFT, Swift
Business environment
Summit, Interest-Rate Derivatives, MUST, MM, Swap, Swaptions, Repo, Bond, FX, Market data, Mark-to-Market Checks, Reports, Reconciliation, Financial Engineering

April 2004 till June 2004

O2 Germany GmbH & Co. OHG, Munich
Consultant (Analyst/Architect/Coach)
Supporting TCS and VIPRO Consultants by Refactoring and Improving an existing BackOffice CRM Application.
Technical environment
Java (JAVA EE), Maven, BEA Weblogic 8.1, Oracle 8.x, Junit, Rational Rose, Rational Clear Case.
Business environment
Telecommunication, BackOffice, Customer Relationship Management (CRM)


July 2003 till April 2004
Deutsche Bank AG
Consultant (Analyst/Architect)
Analysing potential risk areas and bottlenecks in several existing Risk Controlling Multi-Tier Applications.
Porting an MVC1 Web Application to MVC2 Model (Struts)
Analysis, evaluation and introducing of new Frameworks and Architectures, test
Technical environment:
Java (Jsp, Servlet), Tomcat, Bea Weblogic 8.1, Oracle 8.x,
Data Ware House (DWH), Hibernate, Apache Struts, AspectJ, CVS
Business environment
Banking Regulatory Risk ( KWG 13 / KWG 14 )


May 2001 till June 2003
Commerzbank AG.
Consultant (Analyst/Architect)
  • Technical requirements analysis / specification / design / implementation of an n-tier online Market Making system for Equity Derivatives and Bonds
  • Redesign of an existing Front to Back office Trade reconciliation system.
  • Evaluation and feasibility study of various Trading Systems e.g. Calypso and WTS
  • Requirements analysis and evaluation of Application Servers JBoss / IBM Websphere / Bea Weblogic AppServer
  • Architectural Design and Implementation of a Message based trade notification system
  • Bloomberg price contribution via Spider Message Server Mentoring of Trainee’s
  • Requirements analysis, Design, implementation of a Back office CRM application.
  • Requirements Analyses and feasibility evaluations.
  • Test
Technical environment:
Java (RMI, JNI, JMS, JDBC, Swing, Java Webstart), Sybase database (11.9), Win NT, Solaris, SonicMQ, Spider Message Server, JBoss, C/C++, Unix IPC, C#, Rational Rose, Rational Clear Case, Websphere V4, JBoss App. Server, VALUES API
Business environment
Equity Derivatives, Bonds


April 2000 till May 2001
Deutsche Bank AG.
Consultant (Analyst/Developer)
Implementation of a Java-based n-tier online trading system for basic instruments and there derivatives ( Deutsche Bank X-Markets [ former XAVEX Online] )
Major tasks:
Requirements analysis, design and implementation of server side components, Reuters contribution, FIX messaging (Coppelia), sales GUI , reporting, test
Technical environment:
Java (JDBC, Swing, JSP), Sybase Database (11.9), Win NT,
Message Oriented n-tier architecture, CVS
Business environment:
Equities and Equity Derivatives


November 1999 till April 2000
Dresdner Bank AG.
Consultant (Analyst/Developer)
Analysis, design and implementation of a Credit Spread calculation engine for Dresdner Bank Risk Controlling.
Technical environment:
Java (JDBC, Swing), Sybase database (11.5 + 11.9), Perl, Win NT, Bloomberg., CM-Synergy
Business environment:
Credit spread calculations, Bonds


April 1999 till November 1999
Commerzbank AG.
Consultant (Analyst/Developer)
Implementation of an interface between Summit trading system and Risk Controlling, for checking interpolated Market data
Implementation of an application for valuation of Bonds/FX-Swaps
Analysis and implementation an interface from Summit trading system to Wallstreet Global Credit risk management system for money market loans and FX-Swaps.
Technical environment:
C++, Rougwave Tools.h++, Summit-API (2.6 e3), Sybase database, Sun Solaris.
Business environment:
Interest Rate Derivatives (MM Loan, FX-Swap, Market data (Interest rate curves), Stripping of Products


April 1998 till April 1999
Commerzbank AG , Mummert + Partner Unternehmensberatung AG.
Consultant (Analyst/Developer)
Implementation of interfaces between Summit and Wallstreet Global Credit and Online Banken System.
Maintenance and upgrading of interfaces between Summit and Devon.
Collection of interfaces between Summit and a global data warehouse (GHP Globaler Handelsdaten Pool)

Business environment:
Interest Rate Derivatives (Swap, Fra, Cap, Floor, Collar, Exotics), Stripping of Products
Technical environment:
C/C++, Embedded SQL, Rougwave Tools.h++ DBTools.h++, Summit-API (Summit 2.4emu + 2.5 ), Sybase , Sun Solaris.
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