Constantin Brîncoveanu
Verified Expert in Engineering
Data Science Developer
Linz, Austria
Toptal member since April 1, 2020
With a master's degree focused on machine learning, artificial intelligence, and international economics and business, Constantin brings a solid mix of business and development skills to his clients. He has exceptional problem-solving skills and a keen interest in AI. At Magenta Telekom, he developed and deployed workflows for managing terabytes of data, created algorithms and event-based simulations, and taught machine learning.
Portfolio
Experience
- Java - 10 years
- SQL - 10 years
- Python - 5 years
- Linux - 5 years
- Spark - 2 years
- Hadoop - 2 years
- Agile - 2 years
- Django - 1 year
Availability
Preferred Environment
GitLab, GitHub, Jupyter, PyCharm, IntelliJ IDEA, Linux
The most amazing...
...project I've worked on is the analysis of time series data and optimization of the coffee roasting process using machine learning techniques.
Work Experience
Data Engineer
Magenta Telekom
- Developed, deployed, and maintained daily ingests of terabytes of data from various sources into our data lake, using Hive, Oozie, and Spark.
- Created a central configuration management tool and data model using Django.
- Created a utility that communicates to a Django REST API as well as with Apache Ranger and Apache Atlas to distribute metadata across our data lake.
- Performed internal business analysis in our departments with regular jours fixes.
- Taught a workshop about machine learning in Python.
Data Scientist
Magenta Telekom
- Implemented mobility and footfall analytics based on mobile communications data in Hive, Python, and Scala/Spark.
- Developed new algorithms for geo-location estimation based on call detail records.
- Developed an event-based simulation for optimizing traffic lights, fed with data from mobility analytics.
- Presented and reviewed results with internal and external customers on a regular basis.
Contractor
Eaton Industries GmbH
- Extended and maintained a program management tool in Excel VBA.
- Supported departments in the use of the tool.
Tutor
INSO-Institute at TU Wien
- Developed exercises with security vulnerabilities for students to exploit.
- Conducted interviews with students after they solved the exercises.
- Supported the professor in grading the students.
Experience
Analysis of Time Series Data and Optimization of Coffee Roasting Processes using Machine Learning Techniques
Education
Master of Science Degree in Business Informatics
TU Wien - Vienna, Austria
Bachelor of Science Degree in Business Informatics
TU Wien - Vienna, Austria
Skills
Libraries/APIs
REST APIs
Tools
IntelliJ IDEA, PyCharm, Jupyter, GitHub, GitLab, Oozie
Languages
Python, Java, SQL, HTML, XML, YAML, Scala, Excel VBA, Bash, C, C++, PHP, CSS
Storage
Apache Hive, JSON
Platforms
Linux
Frameworks
Apache Spark, Spark, Django, Hadoop, Apache Ranger
Paradigms
Agile, REST
Other
Data Science, Data, Data Analytics, Big Data, Atlas, Apache Atlas
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