John Koutsikakis
Principal Machine Learning Engineer at Workable
Athens Metropolitan Area Greece
Summary
👤
Senior🎓
Top SchoolJohn Koutsikakis is a Senior Machine Learning Engineer based in Greece with nine years of experience specializing in NLP and deep learning for HR and recruiting applications. At Workable he invents novel ML tasks, builds production-grade ML/DL models and exposes them as microservices, bridging research and product needs. His background includes hands-on model architecture design at StrainTek and a strong academic foundation as a TA in NLP and related courses at Athens University of Economics and Business. Notably, he placed 35th out of 4,551 competitors in Kaggle’s Toxic Comment Classification Challenge, demonstrating competitive applied skills. He combines rigorous master's-level training (9.90 GPA) with practical deployment experience, making him adept at turning complex language problems into scalable services. Fluent in both research and engineering contexts, he focuses on delivering measurable impact in recruiting intelligence.
9 years of coding experience
8 years of employment as a software developer
Master's degree Computer Science, Master's degree Computer Science at Athens University of Economics and Business
Greek, English, French
Github Skills (11)
bert10
language-model9
machine-learning8
pytorch8
transformers8
data-science8
natural-language-processing8
python8
deep-learning7
neural-network6
tensor6
Programming languages (1)
Github contributions (5)
jkoutsikakis/pytorch-wrapper
Aug 2019 - Nov 2022
Provides a systematic and extensible way to build, train, evaluate, and tune deep learning models using PyTorch.
Contributions:5 releases, 10 PRs, 53 pushes in 3 years 3 months
deep-learningpytorchneural-networkmachine-learningdata-science
nlpaueb/greek-bert
Feb 2020 - Sep 2020
A Greek edition of BERT pre-trained language model
Contributions:53 commits, 56 pushes, 1 branch in 6 months
bertlanguage-modelnatural-language-processingtransformers
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