Lead Data Scientist
2017 - PRESENTKiwi.com- Built a machine learning model from prototyping to deployment.
- Optimized product and business processes.
- Built an interactive web app to visualize A/B testing.
- Set up infrastructure (BigQuery/Spark) to work with petabytes of data.
- Managed and optimized revenue.
Technologies: Docker, Scikit-learn, Flask, Spark, PythonPython Programmer, Data Scientist
2018 - 2018Human Brain Project- Built Federated Learning for medical data.
- Implemented custom Federated Learning machine learning algorithms as Docker images.
Technologies: Scikit-learn, StatsModels, Docker, PythonPython Programmer, Data Scientist
2014 - 2017Picwell- Processed huge amounts of data using Spark.
- Created and optimized scikit-learn models.
- Built an ETL application with Luigi and Flask.
- Created surveys on Mechanical Turk.
- Integrated R and Python code.
Technologies: Scikit-learn, Flask, Spark, PythonPattern Analysis/Data Matching System Engineer
2014 - 2015Flexcode (via Toptal)- Created an algorithm for predicting correct matches using text analytics and image processing plus a web UI for data collection.
Technologies: Google App Engine, Flask, Scikit-learn, PythonData Scientist
2013 - 2015Webnode- Handled ETL processing in Python with Pandas.
- Designed and implemented optimal product pricing algorithms.
- Designed a customer lifetime value (CLV) model.
- Monitored AdWords (automated alerts) and bidding based on CLV.
- Engaged in smart business reporting based on statistical models and machine learning.
Technologies: Pandas, R, MySQL, PythonWeb Developer
2011 - 2013Mergado.cz- Created an XML parser for parsing invalid XML files (product feeds for price comparison sites).
- Developed web back-ends.
- Designed and implemented functionality for bidding on price comparison sites.
- Built data connectors to Heureka.cz and Sklik.cz.
- Handled minor front-end work with JavaScript.
Technologies: Redis, MongoDB, JavaScript, PHP, Python
Mojmir Vinkler
Data Mining Developer in Brno, South Moravian Region, Czech Republic
Member since June 11, 2014
Mojmir is a full-stack data scientist with strong development skills, allowing him to handle model design, data collection, and final implementation of software. He has a strong background in statistics, machine learning, business, computer science, and predictive modeling of big data sets.
Mojmir is now available for hire
Portfolio
- Kiwi.comDocker, Scikit-learn, Flask, Spark, Python
- Human Brain ProjectScikit-learn, StatsModels, Docker, Python
- PicwellScikit-learn, Flask, Spark, Python
Experience
- Python 7 years
- Data Mining 5 years
- Machine Learning 5 years
- Deep Learning 4 years
- IPython Notebook 4 years
- Apache Spark 3 years
- Pandas 2 years
Availability
Part-time
Preferred Environment
GitLab, Jupyter, Atom, MacOS
The most amazing...
...thing I've ever built is an optimal product pricing algorithm based on an idea from multi-armed bandits that successfully increased revenues by a third.
Employment
Experience
- Federated Learning Algorithmshttps://github.com/LREN-CHUV/algorithm-repository
Implemented various Federated Learning machine learning algorithms as docker images to be used in the Medical Informatics platform.
- Universal Portfolioshttps://github.com/Marigold/universal-portfolios
Plenty of online portfolio selection algorithms (financial engineering) and tools for analysis developed as part of my master's thesis (available in Czech at https://drive.google.com/file/d/0B5VWK_SXwPlkaGg2NGZYTjdYYzQ/edit?usp=sharing).
Skills
Languages
Python, R, JavaScript, PHPFrameworks
Apache Spark, GAE, Flask, Spark, DjangoLibraries/APIs
Matplotlib, Pandas, PyMC, NumPy, SciPy, PyQt, Scikit-learn, AdWords APITools
IPython Notebook, Sublime Text 2, IPython, StatsModels, MATLAB, Atom, Jupyter, GitLabParadigms
Business Intelligence (BI), Kanban, Functional Programming, ScrumStorage
HDFS, Google Cloud, Redis, MongoDB, PostgreSQL, MySQLOther
Data Engineering, Machine Learning, Data Mining, Deep Learning, Financial Engineering, Statistics, Data Visualization, Data Analysis, Bayesian StatisticsPlatforms
Linux, Google App Engine, MacOS, Docker
Education
- PhD Degree in Biomedical Image Processing2014 - 2017Masaryk University - Czech Republic
- Master's (MBA) Degree in Business Administration2012 - 2014City University of Seattle - Seattle
- Master's Degree in Statistics and Data Analysis2009 - 2014Masaryk University - Czech Republic
