13Years of Experience As Data Scientist and Software Developer

Profile Holger Arndt

Version14.08.2016

13years of experience as data scientist and software developer

6years of experience as CTO

Expert for machine learning

Certified Project Management Professional (PMP®)

As a freelance project manager and data scientist, I develop solutions for data-intensive problems and provide expert knowledge in machine learning, big data analytics, artificial intelligence, deep learning and data mining or text mining.

Personal Data

Dipl.-Ing. Holger Arndt, born 23.11.1977

Address: Gabelsbergerstr. 34, 80333 München, Germany

Phone: +49 176 780 110 10

Email:

Homepage:

Xing:

LinkedIn:

Availability

1-2 days per week, only remote

Expertise

Machine Learning

Artificial neural networks, deep learning, decision trees,linear/logisticregression, support vector machine (SVM), KNN, bagging, boosting, random forest

ClusterAnalysis

k-means, hierarchical clustering, self-organizing map (SOM), DBSCAN, t-SNE

Graphical Models

Bayesian networks, naïve Bayes, conditional random fields (CRF), hidden Markov models (HMM), linear algebra, statistics

Text Mining

Named entity recognition, relation extraction, topic models, semantic web, ontologies, Apache Lucene, Elasticsearch

Optimization Techniques

Simulated annealing, genetic algorithms,ant colony optimization

Programming Languages

Java, C, C++, C#, .NET, WPF, Matlab, PHP, JavaScript, Perl, Bash, Basic, Pascal, LaTex

Operation Systems

Windows, Linux, Xen, VMWare, Amazon AWS, VirtualBox

Databases

MySQL, MariaDB, PostgreSQL, Microsoft SQL Server, Oracle, SQLite, HSQLDB, Derby, MS Access, ORM, Hibernate

Web Technologies

HTML5, CSS3, XML, jQuery, Apache, Tomcat, Jetty, Bootstrap, REST, SOAP, Axis, AJAX, WordPress, Google Adwords, Google Analytics, Piwik

Communication Protocols

TCP/IP, EOBD, OBD-II, ISO15765-4 CAN, ISO14229 UDS, ISO14230-4 KWP2000, ISO9141-2, KWP1281, SAE-J1850, SAE-J2411, RS-232

Project Management

PMP®, Scrum, Kanban, Jira, Confluence, Mantis, ZenDesk, Word, Excel, Powerpoint, Project

Developer Tools

Eclipse, Visual Studio, IntelliJ, PhpStorm, CVS, SVN, Git, Maven, Selenium

Languages

German (mother tongue), English (professional working proficiency),
French (elementary proficiency), Italian (elementary proficiency),
Spanish (elementary proficiency)

Selected Projects

Jun 2010 – todayautoaid GmbH, Berlin, Germany

Position: CTO

Objective: development of a self-learning vehicle diagnostic system

Technologies: machine learning, neural networks, text mining, Elasticsearch, CAN, microcontrollers

Sep 2009 – May 2010autoaid GmbH, Berlin, Germany

Position: technical consultant and software developer

Objective: development of a self-learning vehicle diagnostic system

Technologies: machine learning, neural networks, text mining

Aug 2008 – Nov 2009Refined Labs GmbH, München, Germany

Position: Software Engineer Data Analytics

Objective: development of an automatic bid-management system

Technologies: Java, Linux, MySQL, SVN, machine learning, optimization techniques

Sep 2007 – Aug 2008Siemens AG, München, Germany

Position: Data scientist and software developer

Objective: development of a web-based platform for text analytics

Technologies: named entity recognition, relation extraction, topic models, Bayesian networks, graphical models

Sep 2006 – Aug 2007Siemens AG, München, Germany

Position: Data scientist and software developer

Objective: improvement of a web-based analytics and administration platform for biomedical data

Technologies: webservices, Axis, SOAP, Lucene, ontologies

Sep 2005 – Aug 2006Siemens AG, München, Germany

Position: Data scientist and software developer

Objective: development of a web-based analytics and administration platform for biomedical data

Technologies: Java, Tomcat, HTML, XML, MySQL, PostgreSQL, ORM, Hibernate

Jul 2003 – Aug 2005Siemens AG, München, Germany

Position: Data scientist and software developer

Objective: various projects in the area of computational neuroscience, implementation of algorithms and visualization tools

Technologies: Java,Matlab, C, C++, neural networks, machine learning,clustering

Education

Aug2016Project Management Institute (PMI), USA
Certified as Project Management Professional (PMP®)

Oct 1998 – Jun 2003Technical University Munich, Germany
Electrical engineering and information technology
Degree: Dipl.-Ing. Univ.

Other

Patents and publication in the area of data analytics

Own software tools for data mining and machine learning

InnoCentive Award in 2008