Amir Kotobi

Angestellt, Data Scientist, Helmholtz AI
Hamburg, Germany

Skills

Machine Learning
Python
Data Science
ETL
TensorFlow
NoSQL
R programming language
Deep learning
Big Data
MongoDB
Computer Vision
Presentation skills
Tableau Software
SQL
Git
Mathematics
PyTorch
Python pandas
Apache Spark
NumPy
Microsoft Azure
Team work
Communication skills
Reliability
Commitment
Azure Databricks
Natural Language Processing
OpenCV
Amazon Web Services (AWS)

Timeline

Professional experience for Amir Kotobi

  • Current 6 years and 5 months, since Feb 2020

    Data Scientist

    Helmholtz AI

    - Design and develop data pipelines in Python on simulation and experimental datasets to accelarate data analysis, data visualizations, and predictive modeling - developing and maintaining automated solutions for ETL - Improved analysis and modeling of unstructured data by applying NLP, text mining and feature engineering techniques - Implemented unsupervised machine learning e.g. dimension reduction and clustering on high-dimensional structured data

  • 3 months, Oct 2022 - Dec 2022

    Data Scientist

    Helmholtz-Zentrum Berlin für Materialien und Energie

    - Design and implement complex queries in SQL and MongoDB resulted in efficient data management and fast fetching of data - Developed Graph Neural Network models with attention mechanisms -improved model's accuracy and precision-recall AUC from 0.85 to 0.9 - Implemented explainability techniques to improve trust on model's predictions

Educational background for Amir Kotobi

  • 2 years, Oct 2017 - Sep 2019

    Physics

    Technical University of Munich

  • 4 years and 5 months, Sep 2012 - Jan 2017

    Materials Science and Engineering

    University of Tehran

Languages

  • English

    C1 (Fluent)

  • German

    B1-B2 (Good)

  • Italian

    B1-B2 (Good)

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