Dakai Zhou

Angestellt, Data Warehouse Engineer, Eurofins NDSC Umweltanalytik GmbH
Düsseldorf, Germany

Fähigkeiten und Kenntnisse

Data Analysis
Data Warehouse
Python
SQL
Data Science
ETL
SQL Server Integration Services
Business Intelligence
Softwareentwicklung
REST API
Backend
Machine Learning
Django
MatLab
C/C++
Git

Werdegang

Berufserfahrung von Dakai Zhou

  • Current 3 years and 9 months, since Oct 2022

    Data Warehouse Engineer

    Eurofins NDSC Umweltanalytik GmbH

  • 1 year, Oct 2021 - Sep 2022

    Python Developer in Business Intelligence

    zenloop GmbH

  • 1 year and 11 months, Nov 2019 - Sep 2021

    Software Developer

    Quant.Capital Management GmbH

    – Design and develop database by developing common vocabulary, defining business rules, drawing Entity Relationship Diagram(ERD) and turning ERD into tables. – Develop and implement performance-driven risk data calculation scheme. Redesign database for high performance data extraction, use matrix operations and parallel programming for efficient calculation. – Visualize data using Plotly, Matplotlib and Seaborn. – Develop ETL data pipeline. – Develop Back-End with Python, Django.

  • 6 months, May 2019 - Oct 2019

    Data Scientist Intern

    AGT International GmbH

    • Developed predictive models by applying machine learning algorithms: scikit-learn • Performed data cleansing, data visualization, data feature selection. • Developed back-end with TDD (test-driven development) method: Flask, Python • Cooperated with team members to transform ideas to prototypes. • Worked with scrum methodology.

  • 7 months, Apr 2018 - Oct 2018

    Master Thesis Student

    Forschungszentrum Jülich

    • Researched on medical image processing techniques. • Designed and implemented algorithms for the MR/PET image co-registration, automatic vessel segmentation in the MR image and partial volume correction in the PET image. • Achieved nearly 30 times faster and 5% more accuracy, compare this work to the software PMOD. • Completed thesis with a very good grade (German grading system 1.0).

  • 3 months, Sep 2014 - Nov 2014

    Intern

    Neusoft

    Designed and implemented a multi-appliances control system on ARM Core using C++.

Ausbildung von Dakai Zhou

  • 3 years and 1 month, Oct 2015 - Oct 2018

    Computer Simulation in Science

    Bergische Universität Wuppertal

    Computer Simulation, Image Processing, Parallel Algorithms, Parallel Computing, Data Analysis, Worldwide Distributed Computing, Ordinary Differential Equation, Partial Differential Equation, Linear Algebra, Computational Electromagnetics.

  • 3 years and 11 months, Sep 2011 - Jul 2015

    Electrical and Electronic Engineering and Information Engineering

    Dalian Ocean University

    Embedded System, Digital Signal Processing, Principle of Single Chip Microprocessor, Information Theory and Coding, Electromagnetic Fields & Magnetic Waves, High Frenquency Electronic Technology, Antenna and Radio Wave Propagation, Principle and Equipment of Radar

Sprachen

  • German

    A1-A2 (Grundkenntnisse)

  • English

    C1 (Fließend)

  • Chinese

    C2 (Verhandlungssicher / Muttersprachlich)

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