George Tsagiannis

Full Stack Web Developer at HOOKTO
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Contact Information
us****@****om
(386) 825-5501
Location
London, England, United Kingdom, UK
Languages
  • English Full professional proficiency
  • French Full professional proficiency
  • Greek Native or bilingual proficiency

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Julie Velissaratou

George is one of the most persisent, resilient and determined people I have met in my life. We were introduced in 2016 in Paris, while I was working for the OECD, and I was surprised by his genuine passion for history and technology. George is a professional I would bet on: I am sure that he can deliver, meet up expectations and navigate effectively in any environment.

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Credentials

  • Le Wagon - Web Development Bootcamp
    Le Wagon
    Dec, 2022
    - Nov, 2024
  • Wharton Operations Analytics
    University of Pennsylvania
    Oct, 2020
    - Nov, 2024
  • Applied Data Science Specialization
    Coursera
    Sep, 2020
    - Nov, 2024
  • IBM Data Science Professional Certificate
    IBM
    Sep, 2020
    - Nov, 2024
  • Data Science Specialization
    The Johns Hopkins University
    Jul, 2020
    - Nov, 2024
  • Data Science: Statistics and Machine Learning
    The Johns Hopkins University
    Jul, 2020
    - Nov, 2024
  • Developing Data Products
    The Johns Hopkins University
    Jan, 2020
    - Nov, 2024
  • Mastering Data Analysis in Excel
    Duke University
    Dec, 2019
    - Nov, 2024
  • Data Science: Foundations using R Specialization
    The Johns Hopkins University
    Oct, 2019
    - Nov, 2024

Experience

  • HOOKTO
    • France
    • IT Services and IT Consulting
    • 1 - 100 Employee
    • Full Stack Web Developer
      • Mar 2023 - Present

  • Coventry University
    • United Kingdom
    • Higher Education
    • 700 & Above Employee
    • Data GUI Developer
      • Mar 2021 - Jul 2022

      In collaboration with: - Université Paris Lumières (Paris Nanterre) and - National and Kapodistrian University of Athens. Implementation of automated scientific computational and data visualisation algorithms and development of their Graphic User Interface (cross-plarform and web) apps using Python, Tcl/Tk, R In collaboration with: - Université Paris Lumières (Paris Nanterre) and - National and Kapodistrian University of Athens. Implementation of automated scientific computational and data visualisation algorithms and development of their Graphic User Interface (cross-plarform and web) apps using Python, Tcl/Tk, R

  • 4cast-team
    • Greece
    • IT Services and IT Consulting
    • Jr ML Engineer
      • May 2020 - May 2021

      - Worked on various ML models with large-scale datasets assuring workflow and processes of scalable and accurate forecasting systems (wind/solar power, load demand, marginal pricing) - Analyse live and historical data to provide insights and KPIs, working closely with product, engineering, and business units. - Graphic User Interface development for I/U of earthquake data/risk - Worked on various ML models with large-scale datasets assuring workflow and processes of scalable and accurate forecasting systems (wind/solar power, load demand, marginal pricing) - Analyse live and historical data to provide insights and KPIs, working closely with product, engineering, and business units. - Graphic User Interface development for I/U of earthquake data/risk

  • Freelance
    • Greece, France, United Kingdom
    • Mathematics and Physics Tutor
      • Jan 2004 - May 2021

  • GROUPE IFOP
    • France
    • Market Research
    • 200 - 300 Employee
    • Statistical Text Data Analyst
      • May 2019 - Dec 2019

      - Manipulate, analyse and interpret demographic and market datasets - Data modelling, exploratory analysis and definition of model ingestion rules - Worked with NLP techniques (Topic Modeling, Text classification, Entity Recognition) applied to raw text datasets (contact with IDHES research team) - Manipulate, analyse and interpret demographic and market datasets - Data modelling, exploratory analysis and definition of model ingestion rules - Worked with NLP techniques (Topic Modeling, Text classification, Entity Recognition) applied to raw text datasets (contact with IDHES research team)

  • NCSR "DEMOKRITOS"
    • Greece
    • Research Services
    • 200 - 300 Employee
    • Risk Data Analyst - Scientific Programming
      • Sep 2012 - Feb 2013

      - Risk-uncertainty evaluation to provide input for business decisions related to freight lines in the Greek Archipelago - Hyperparameter optimization, implementation & supervision of Monte Carlo simulations - Risk-uncertainty evaluation to provide input for business decisions related to freight lines in the Greek Archipelago - Hyperparameter optimization, implementation & supervision of Monte Carlo simulations

  • Ticketnet
    • Athens, Attiki, Greece
    • Information Systems Jr Manager
      • Sep 2005 - Jan 2011

      - Customers, venues, and shows DB management - Ticketing system debugging and maintenance - Customers, venues, and shows DB management - Ticketing system debugging and maintenance

Education

  • National Technical University of Athens
    MSc (5-year Integrated, ENPA Diploma), Applied Mathematics and Physics
    2001 - 2009
  • Université Paris Nanterre
    MRes (Master Recherche), Computational Social Sciences
    2017 - 2019
  • Sorbonne Université
    BA (Licence), Science-Technology-Society
    2011 - 2014

Community

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