Jörn Dinkla's projects

04/2012 - 08/2012: Design and Implementation of parallel algorithms with NVIDIA CUDA

Term	04/2012 - 08/2012
Company	Manufacturer of laser imaging systems
Sector	Software
Role	Developer, consultant, tester, coach, trainer
Description	Tomographic Particle Image Velocimetry (PIV) Design, implementation and optimization of image- and volume-processing algorithms Processing huge data sets on GPUs Processing compressed 3d volumes Image processing, Point based algorithms parallel algorithms for 2D- and 3D correlations
Software	NVIDIA CUDA, C++, OpenMP, MS Visual Studio, Boost, Qt

01/2012 - 04/2012: Software for point-of-sale terminals

Term	01/2012 - 04/2012
Company	Logistics
Sector	Software
Role	Developer, consultant, tester, coach
Description	Software for point-of-sale terminals with bar code scanners
Software	Grails, Groovy

11/2011 - 12/2011: Performance optimization with parallel processing (Part 2)

Term	11/2011 - 12/2011
Role	Analyst, designer, developer, tester
Description	Private project Continuation of the optimization of a ray tracer with parallel processing (2009) Architecture 3: ForkJoinPool of Java 7 Architecture 4: OpenMP
Software	Java, C++, GCC, OpenGL, OpenMP

08/2011 - 09/2011: Technical proofer of the book "OpenCL in Action"

Term	08/2011 - 09/2011
Company	Manning Publications Co.
Sector	Software
Role	Technical proofer
Description	Review of the book Check of correctness of program code Check of consistency with the OpenCL specification
Software	OpenCL, C, C++, Java, Python

01/2010 - 09/2011: Design and Implementation of parallel algorithms with NVIDIA CUDA

Term	01/2010 - 09/2011
Company	Manufacturer of laser imaging systems
Sector	Software
Role	Developer, consultant, tester, coach, trainer
Description	Particle Image Velocimetry (PIV), Tomographic (PIV) Design, implementation and optimization of image- and volume-processing algorithms Processing huge data sets on GPUs Processing compressed 3d volumes Image processing, Point based algorithms parallel algorithms for 2D- and 3D correlations
Software	NVIDIA CUDA, C++, OpenMP, MS Visual Studio, Boost

07/2009 - 12/2009: Extension of a data warehouse

Term	07/2009 - 12/2009
Company	Software and Consulting Company
Sector	Banking
Role	ETL designer, consultant, software developer, tester, coach
Description	Design, development and test of ETL processes Optimization of SQL queries
Software	Oracle, PL/SQL, Java, Eclipse, Groovy, Velocity, XML, XSLT, XPath, Juxy, Xom

02/2009 - 12/2009: Performance optimization with parallel processing

Term	02/2009 - 12/2009
Role	Analyst, designer, developer, tester
Description	Private project Optimization of a ray tracer with parallel processing (SIMD, MIMD) Architecture 1: Cell Broadband Engine (Playstation 3) Architecture 2: NVIDIA CUDA (graphics board) Design and implementation of parallel algorithms Performance optimization
Software	C++, NVIDIA CUDA, GCC, OpenGL

01/2009 - 07/2009: Optimization and extension of a data warehouse

Term	01/2009 - 07/2009
Company	Telecommunications company
Sector	Telecommunications
Role	Analyst, designer, developer, consultant, coach
Description	Reorganization and optimization of the data warehouse, esp. of the ETL architecture and ETL processes Analysis, design and implementation of ETL processes, e. g. Order lifecycle history Coaching of employees, e. g. Ab Initio
Software	SAND, Ab Initio, Perl

09/2008 - 12/2008: Reorganization and optimization of a Data Warehouse

Term	09/2008 - 12/2008
Company	Insurance
Sector	Insurance
Role	Analyst, designer, consultant, coach
Description	Reorganization and optimization of the ETL architecture and of ETL processes Coaching of employees: Oracle, DWH, optimization, test driven software development, TDD
Software	Oracle database, PL/SQL, Pentaho Data Integration/Kettle, Oracle Warehouse Builder

05/2008 - 08/2008: Analytic Application for forecasting/prediction of sales

Term	05/2008 - 08/2008
Company	International mail order and E-commerce company
Sector	Mail order, E-commerce
Role	Analyst, designer, developer, coach, tester
Description	Analytical rich client application Project leader Teaching and coaching
Software	Java, Eclipse, SWT, JFace, Eclipse Data Binding, Ant, iBATIS, JFreeChart, JUnit, DbUnit, Apache POI, Hudson, Oracle

01/2008 - 04/2008: J2EE Enterprise Application

Term	01/2008 - 04/2008
Company	Software and Consulting Company
Sector	Wholesale
Role	Designer, developer, consultant, tester
Description	Re-Engineering, development and maintenance of an ERP application
Software	JEE, J2EE, EJB, Java, JBoss, Struts, IBatis, MySQL, JSP, JSTL

12/2007 - 12/2007: Game similiar to Scrabble, contribution to Dynamic Languages Shootout 2008

Term	12/2007 - 12/2007
Role	Designer, software developer, tester
Description	Contribution to "Dynamic Languages Shootout" (OOP 2008) by JavaSpektrum magazine Result: 6th Searching with Artificial Intelligence Design and implementation of complex algorithms Performance optimization of Java and Groovy programs
Software	Groovy, Grails, Java, OOA, OOD, UML2, JUnit

11/2007 - 11/2007: Groovy UML2 builder

Term	11/2007 - 11/2007
Role	Designer, software developer, tester
Description	Simplification of the usage of UML2 with Groovy
Software	Eclipse, Groovy, Java, Eclipse Modeling Framework (EMF), domain specific languages (DSL), UML, UML2, MDT-UML2

08/2007 - 11/2007: Data Warehouse Project

Term	08/2007 - 11/2007
Company	Software and Consulting Company
Sector	Banking
Role	ETL designer, consultant, software developer
Description	Design, development and test of ETL processes Generation of test data Development of reports
Software	Oracle, PL/SQL, Java, Eclipse, Groovy, Cognos 8

06/2007 - 06/2007: Groovy application for showing disc usage

Term	06/2007 - 06/2007
Role	Designer, software developer, tester
Description	Written during learning Groovy
Software	Groovy, Java, Swing, AWT, JFreeChart

04/2007 - 06/2007: Groovy EMF Builder

Term	04/2007 - 06/2007
Role	Designer, software developer, tester
Description	Simplification of the usage of EMF with Groovy
Software	Eclipse, Groovy, Java, Eclipse Modeling Framework (EMF), domain specific languages (DSL)

02/2007 - 06/2007: Data Warehouse Project for Customers and Revenue

Term	02/2007 - 06/2007
Company	International Telecommunications Company, Bucharest, Romania
Sector	Telecommunications
Role	System architect, lead ETL designer, consultant
Description	Standards for software development methodology, testing framework Source system analysis of CDR records from Amdocs Advice for hardware- and software configuration Design of an ETL framework and ETL processes
Software	Oracle, Ab Initio, Informatica, Business Objects, Perl, Ruby, XML, Groovy, ERwin

01/2007 - 02/2007: Offer of a contract for work and services for a data warehouse project

Term	01/2007 - 02/2007
Company	International Telecommunications Company, Bucharest, Romania
Sector	Telecommunications
Role	Coauthor
Description	Consolidation and refinement of a draft to the final version of the contract Creation of a project plan Creation of the technical parts of the offer
Software	Oracle, Ab Initio, Informatica, Business Objects, MS Project, PowerDesigner

01/2007 - 01/2007: Eclipse-Editor of Common Warehouse Metadata Model (CWM)

Term	01/2007 - 01/2007
Role	Designer, software developer, tester
Description	Eclipse plugin for experimenting with CWM
Software	Eclipse, Eclipse Modelling Framework (EMF), XSLT, Common Warehouse Metamodel (CWM), Meta Object Facility (MOF), UML, EMOF, Ecore, OMG Standards, Java, Eclipse plugin development (PDE), Metadata

11/2006 - 12/2006: Data Warehouse Project, Creation of an extraction and DQA framework

Term	11/2006 - 12/2006
Company	International Telecommunications company, Istanbul, Turkey
Sector	Telecommunications
Role	ETL designer, consultant
Description	Analysis of the current state Extraction and quality assurance framework Extraction of data from productive systems with data quality assurance rules Generic framework, generation of meta data from MS Excel files Presentation and documentation
Software	Ab Initio, Teradata, Oracle, Perl, MS Excel

11/2006 - 11/2006: Offer for a project for migrating a data warehouses from DB2 for z/OS to DB2 for AIX

Term	11/2006 - 11/2006
Company	Insurance Company, Germany
Sector	Insurances
Role	Technical designer, project planner
Description	As-is analysis Feasibility study Design of the migration Coarse project planing and effort estimation
Software	IBM DB2, z/OS, AIX, Ascential DataStage, JCL

09/2006 - 10/2006: Reply to an RfP for a contract of work and services for a data warehouse project

Term	09/2006 - 10/2006
Company	International Telecommunications Company, Bucharest, Romania
Sector	Telecommunications
Role	Coauthor, analyst, designer
Description	As-is analysis, requirements engineering Conceptual design of ETL processes and solutions Design of the technical aspects of the project Design of a migration from Informatica to Ab Initio, Oracle 9i to Teradata Presentation and documentation
Software	Ab Initio, Informatica, Oracle, Teradata, Business Objects, MicroStrategy, PowerDesigner

08/2006 - 08/2006: European data warehouse project, Email-Service for mobile devices

Term	08/2006 - 08/2006
Company	International Telecommunications Company, Germany
Sector	Telecommunications
Role	ETL designer, consultant
Description	Analysis of the requirements of business users Analysis of concept and interfaces of middleware application Coordination between designers, users and developers Design of ETL processes
Software	Oracle, Ab Initio

05/2006 - 07/2006: Data warehouse project, revenue and forecasting system

Term	05/2006 - 07/2006
Company	International Telecommunications company, Tokyo, Japan
Sector	Telecommunications
Role	ETL designer, developer, consultant
Description	Design and implementation of aggregations of CDR records Alignment of two billing systems Definition of standards for Ab Initio and shell scripts Documentation, training, collaboration with quality assurance
Software	Teradata, Ab Initio, BTEQ/SQL, Perl, Shell-Skripte, MicroStrategy

04/2005 - 04/2005: Editor and viewer for family trees

Term	04/2005 - 04/2005
Role	Designer, software developer, tester
Description	Written during learning Eclipse, EMF and GEF
Software	Eclipse, Eclipse Modeling Framework (EMF), Graphical Editor Framework (GEF), Java, Eclipse-Plugin-Entwicklung (PDE)

02/2005 - 04/2005: SQL Editor Prototype for Eclipse

Term	02/2005 - 04/2005
Role	Designer, software developer, tester
Description	Written during learning Eclipse
Software	Eclipse, SWT, Java, Eclipse plugin development (PDE)

01/2005 - 05/2006: Development of SAND/DNA for SAP BI

Term	01/2005 - 05/2006
Company	SAND Technology
Sector	Software development
Role	Technical project leader, designer, developer
Description	Interface between SAP BW and SAND/DNA (Nearline Storage) Technical project leader in an international team Design and implementation: SAP BW side in ABAP, middleware in Java
Software	ABAP, data modeling, BAPI, AAK, Batch Input, process chains, Java, OOA, OOD, UML, Eclipse, JUnit, Ant, AspectJ/AJDT, XML, CruiseControl

12/2004 - 04/2005: Metadata driven ETL development with Eclipse

Term	12/2004 - 04/2005
Role	Designer, software developer, tester
Description	Generating DLL scripts and import/export-scripts from metadata
Software	Written during learning Eclipse and EMF

11/2004 - 01/2005: Migration concept for the ETL tool Ab Initio

Term	11/2004 - 01/2005
Company	International telecommunications company, Germany
Sector	Telecommunications
Role	Consultant
Description	Creation of a migration concept for the ETL tool Ab Initio Definition of standards, guidelines and processes for the migration of shell-, perl-, PL/SQL- and Informatica-scripts to Ab Initio As-is analysis of the existing ETL tools, processes and development standards Development of "best practices" for the migration
Software	Oracle, Informatica, PL/SQL, Ab Initio, Cognos

09/2004 - 03/2005: Data Mart for analysis of customer behaviour

Term	09/2004 - 03/2005
Company	International internet trader, Germany
Sector	E-commerce
Role	Consultant, designer, developer
Description	Data Mart for analytical CRM Develoment and optimization of ETL processes
Software	Eclipse, Perl, SQL and Java on Sun Solaris and Linux AMD64

11/2002 - 08/2004: Data warehouse for analytical CRM

Term	11/2002 - 08/2004
Company	International Internet provider, Germany
Sector	Internet provider
Role	Consultant, designer, developer, administrator and tester
Description	Design and implementation of a distributed ETL architecture, Development of ETL processes with Ab Initio Huge data sets, e.g. historical data with more than 1 billion rows Design and implementation of algorithms "Find the closest store for every customer" (geometric) "Determine the optimal schedule for the ETL processes" (combinatoric)
Software	Ab Initio, Eclipse, Perl, Java, Bash, C, Haskell, Sun Solaris, Business Objects, SAS, SPPS Clementine, Brio/Hyperion, ODBC, JDBC, MS SQL Server, Sybase, Excel, Uniserv, SPPS

09/2001 - 10/2002: Data warehouses and Business Intelligence

Term	09/2001 - 10/2002
Company	Various companies
Sector	Book retailer, consulting companies, finance service providers
Role	Designer, developer, tester, consultant
Description	Development and maintenance of Business Intelligence systems Relational OLAP (ROLAP) and multidimensional OLAP (MOLAP)
Software	Oracle Datenbank, Oracle Express, Oracle Designer, PL/SQL, Oracle Warehouse Builder, BI Beans, Oracle Application Server, Oracle Web Agent, Apache Web Server

10/2000 - 08/2001: Analytical software for telecommunications and energy

Term	10/2000 - 08/2001
Company	DWH Decision Warehouse GmbH, Hamburg, German
Sector	Telecommunications, Energy, Software development
Role	Analyst, designer, developer, tester
Description	Business Inteligence System for analysis of telecommunications data
Software	OLAP, data mining, active X, COM, Microsoft SQL Server, MS Visual Basic, interfaces to MS office

01/1999 - 09/2000: Fraud detection with Artificial Intelligence

Term	01/1999 - 09/2000
Company	International telecommunications company
Sector	Telecommunications
Role	Research associate, consultant
Description	As-is analysis and development of improvements Fraud management and fraud detection "Knowledge Discovery in Databases" (data mining) Fraud management systems, intrusion detection systems
Software	IBM DB2, IBM Intelligent Miner, SGI MineSet, Java, Perl, R, PostgreSQL

03/1993 - 08/1993: Reengineering system for software maintenance of PL/I programs

Term	03/1993 - 08/1993
Company	Consulting company, Cologne, Germany
Sector	Software development
Role	Designer, developer, tester
Description	Development of an analysis program for PL/I-Programs
Software	C, C++, Turbo Pascal, Smalltalk, Yacc, PL/I