CB

Christopher Baumgärtner

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Letztes Update: 06.09.2022

Data scientist

Abschluss: PhD
Stunden-/Tagessatz: anzeigen
Sprachkenntnisse: deutsch (Muttersprache) | englisch (verhandlungssicher)

Dateianlagen

Lebenslauf.pdf

Skills

artificial intelligence, deep learning, backend, Spring Boot, Kubernetes, AWS, frontend, Angular, Data Science, Logic, machine learning, neural network, question answering, document classification, data mining, training data, algorithms, Named Entity Recognition, document search, information retrieval, document summarization, domain model, topic models, dialogue system, IBM, sentiment analysis, social network, regression tree, Facebook, parser, parsing, data conversion, broadcasting, Convolutional Neural Networks, Bayes, LSTM, End-to, Keras, Theano, Tensorflow, Ontologies, Semantic Search, Web Crawling, Part-of-Speech tagging, Stemming, Lemmatization, Programming, Java, Python, Angular 6/7/8, Perl, C++, Spring, MongoDB, MySql, Oracle, Neo4j, Continuous Integration, Docker, Jenkins, Git, Subversion, Scrum

Projekthistorie

01/2003 - 01/2020
Software Developer
Softship AG

The Softship AG is a leading provider of software solutions for the shipping industry. Softship technology is used by
clients to improve efficiency and to of the processes inherent within liner shipping. My role as a software developer
included the following responsibilities:

? Worked as an external consultant for the Lufthansa Systems AG
? Part of a team that created an on-line accounting application for the music business

01/2017 - 01/2018
Vice President Data Science, Market Logic Software

Market Logic Software is a provider of marketing information systems to marketing and research teams worldwide.
As Vice President of Data Science, I am responsible for managing the data science team and integrating AI into the
overall strategy of the company. My responsibilities were:

? Organizing the data science team consisting of 10 members.
? Providing technical leadership of the co-development project to build the next generation marketing research
assistant technology.
? Representing the artificial intelligence strategy in front of clients, investors and the board of directors
? Defining the roadmap of artificial intelligence for the company
? Integrating artificial intelligence in every technical team of the organization

01/2016 - 01/2017
Senior Director Data Science, Market Logic Software

Market Logic Software is a provider of marketing information systems to marketing and research teams worldwide.
As Senior Director of Data Science, I was heading a team of data scientists and machine learning engineers. This
included these tasks:

? Organized a team of 6 data scientists and machine learning engineers
? Built a chat bot based marketing assistant software
? Built a convolutional neural network classifier for a self-learning dialogue module
? Used a semantic attention neural network for a question answering system
? Build a self-learning document classification module for user specific categories
? Worked on an event recognition system

01/2015 - 01/2016
Principal Data Scientist
Market Logic Software

Market Logic Software is a provider of marketing information systems to marketing and research teams worldwide. As
Principal Data Scientist, my task was to build machine learning models that extract relevant marketing information
from text and quantitative data. In this role I had the following responsibilities:

? Guided other data scientists and research analysts to provide models and training data for machine learning
algorithms
? Built a Named Entity Recognition system that extracts customer specific entities




? Enhanced a document search engine by integrating customer specific analysis
? Visualized relevant information from search results by extracting category information
? Used information retrieval to build a document summarization of content most relevant to the user
? Built a structured domain model from unstructured text data
? Worked on a document similarity finder based on semantic topic models
? Worked on a customer specific dialogue system based on IBM Watson

01/2013 - 01/2015
Senior Data Scientist

Facelift brand building technologies is a leading provider of software solutions for professional marketing in social
networks. As a Senior Data Scientist, I was responsible for applying data models to analyze textual information and
integrate the results into our products. My role included these projects:

? Created a large-scale sentiment analysis application for social network content
? Adapted the system for several languages (German, English, French, Italian, Arabic)
? Implemented a system for topic detection in on-line discussion
? Built a regression tree classifier for sentiment analysis based on user interactions in a social network
? Implemented a model for the optimization of Facebook advertisements based on learning the best working
feature set of already existing ad campaigns
? Used Multi-Armed Bandit algorithms to learn the best advertisements depending on user interactions
? Employed Population Based Incremental Learning to learn probability distributions of possible advertisement
choices

01/2000 - 01/2003
Information Technology Officer Trainee
Ausbildungsinitiative der Hamburger Wirtschaft

The Ausbildungsinitiative der Hamburger Wirtschaft is an association of companies with the goal to increase the
quality of industrial training. Trainees are employed in two companies, giving them the opportunity to learn skills
from different industrial sectors. During my time as an apprentice for the F. Reyher Nchfg. GmbH and the Softship
AG, I worked on these tasks:

? Designed and implemented management solutions for the shipping business
? Worked on a data conversion software for an international transportation company

01/1999 - 01/2000
Editorial Assistant
North German Broadcasting (NDR)

The North German Broadcasting is a public radio and television broadcasting corporation. As an editorial assistant
my responsibilities were:

? Supported editorial journalists
? Compiled latest news from news agencies

Reisebereitschaft

Verfügbar in den Ländern Deutschland, Österreich und Schweiz
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