Nikiforos Pittaras

Senior Machine Learning Engineer at bunny.net
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Contact Information
us****@****om
(386) 825-5501
Location
Cholargos, Attiki, Greece, GR
Languages
  • Greek Native or bilingual proficiency
  • English Full professional proficiency
  • German Elementary proficiency
Skills

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Bio

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Credentials

  • Fundamentals of Reinforcement Learning
    Coursera
    Feb, 2022
    - Nov, 2024

Experience

  • bunny.net
    • Slovenia
    • Internet Publishing
    • 1 - 100 Employee
    • Senior Machine Learning Engineer
      • Jan 2023 - Present

  • NCSR "DEMOKRITOS"
    • Greece
    • Research Services
    • 200 - 300 Employee
    • Postdoc Machine Learning Research Engineer
      • Nov 2021 - Apr 2023

  • Responsible AI Collaborative
    • United States
    • Technology, Information and Internet
    • 1 - 100 Employee
    • Machine Learning Research Engineer
      • Jul 2022 - Dec 2022

      Taxonomy engineering for AI systems and failures categorization. Taxonomy engineering for AI systems and failures categorization.

  • LANGaware
    • United States
    • Hospitals and Health Care
    • 1 - 100 Employee
    • Senior Machine Learning Engineer
      • Jun 2021 - Dec 2022

      Worked on extension and maintenance of ML pipelines for exlainable neurodegenerative disease prediction. Produced scientific reports and project proposals. Worked on extension and maintenance of ML pipelines for exlainable neurodegenerative disease prediction. Produced scientific reports and project proposals.

  • Freelance
    • AI Alignment Researcher
      • Jun 2022 - Nov 2022

      Research on Agentic AI Alignment, funded by EA-LTFF. Research on Agentic AI Alignment, funded by EA-LTFF.

  • Center for AI Safety
    • Research Services
    • 1 - 100 Employee
    • Teaching Assistant
      • Jun 2022 - Aug 2022

      TA'ing for the MLSS program, on Machine Learning, Deep Learning and AI Safety. TA'ing for the MLSS program, on Machine Learning, Deep Learning and AI Safety.

  • NCSR "DEMOKRITOS"
    • Greece
    • Research Services
    • 200 - 300 Employee
    • PHD Researcher
      • Sep 2017 - Sep 2021

      Worked on research and development towards enhancing Machine Learning and Deep Learning approaches with external knowledge.

    • Research Associate
      • Jun 2016 - Sep 2017

      Mantained and extended ML pipelines, recommender systems, scalable distributed execution, backend and RESTful Api components for the Big Data Europe and Storybot projects, using big data stores and containers.

  • SciFY - Science For You
    • Greece
    • IT Services and IT Consulting
    • 1 - 100 Employee
    • Machine Learning Engineer
      • Oct 2020 - Aug 2021

      Designed and implemented different ML and DL pipelines for multi-step text classification in the law domain. Designed and implemented different ML and DL pipelines for multi-step text classification in the law domain.

  • Athena Research Center
    • Greece
    • Research Services
    • 100 - 200 Employee
    • Research Associate
      • Jan 2019 - Mar 2020

      Extended / mantained multimodal Topic Modelling pipelines over scientific publications. Designed and developed from scratch meta-analysis tools, RESTful Apis, backend environments. Managed and deployed VMs, produced visualizations and scientific project reports. Extended / mantained multimodal Topic Modelling pipelines over scientific publications. Designed and developed from scratch meta-analysis tools, RESTful Apis, backend environments. Managed and deployed VMs, produced visualizations and scientific project reports.

  • Centre for Research & Technology Hellas (CERTH)
    • Greece
    • Research Services
    • 500 - 600 Employee
    • Research Associate
      • Feb 2014 - Sep 2015

      Computer vision software design, development, testing and optimization. Research on feature representation, dimensionality reduction, spatial information capture and visual descriptors in general. Research, setup and configuration of deep learning approaches for video concept detection. Computer vision software design, development, testing and optimization. Research on feature representation, dimensionality reduction, spatial information capture and visual descriptors in general. Research, setup and configuration of deep learning approaches for video concept detection.

  • Freelancer
    • Freelance Programmer
      • Mar 2013 - Feb 2014

      Freelance programming and math, mostly on university level homework assignments. Freelance programming and math, mostly on university level homework assignments.

Education

  • Ethnikon kai Kapodistriakon Panepistimion Athinon
    Doctor of Philosophy - PhD, Machine Learning
    2017 - 2021
  • Ethnikon kai Kapodistriakon Panepistimion Athinon
    Master of Science (MSc), Signal and Information Processing - Learning
    2015 - 2017
  • University of Ioannina
    Bachelor of Science (BS), Computer Science
    2005 - 2013

Community

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