Olga Seleznova
Olga Seleznova

Data Scientist

Actively looking · Member since 20 Mar 2025
Message
Location
Canada
Desired salary
Unspecified
Work preference
Full Time, Contract, Part Time
Experience level
Not set

About

Professional summary

Data Scientist with over 3 years of experience in Deep Learning, Natural Language Processing (NLP), Large Language Modeling (LLMs), and Speech Recognition. Advanced degree in Data Science, complemented by AI and Machine Learning technologies certifications. Enthusiastic about implementing expertise within a dynamic, real-world setting to develop and deploy full-cycle deep learning solutions that solve impactful problems.

Skills

6 capabilities

Experience

Career history

Data Scientist VoxTour.ai

Develop unit tests in Kotlin to validate the functionality of an AI-driven story generation system.
Test and refine prompts to ensure creative consistency and optimal performance of AI models in producing engaging narratives.
Operate within a live deployment environment, simulating production conditions to troubleshoot and enhance system performance.

Research Engineer Technion - Israel Institute of Technology

Developed over 4 clean and reusable packages in Pytorch for academic purposes by creating templates and streamlining submission processes.
Managed virtual machines and created server and Docker environments to support deep learning projects, ensuring a functional and expandable infrastructure.
Operated within the 'Speech, Language, and Deep Learning' Lab, researched automatic speech recognition using Whisper, HuBERT, and Wav2vec models, performed speech and text alignment and wave restoration with the U-Net model.

Data Scientist SKAI

Delivered actionable insights from large datasets of unstructured reviews to management, facilitating data-driven decision-making and enhancing strategic product development based on customer feedback.
Conducted the research, development, and implementation of advanced NLP systems, including the fine-tuning and error analysis of BERT models for text classification and T5 for question-answering tasks.
Leveraged cloud environments with AWS S3 and EC2 to efficiently store and process large datasets, enabling seamless fine-tuning of NLP models.
Performed within a multidisciplinary team of Python and R developers, data analysts, and statisticians under a product manager’s guidance to achieve project deliverables and ensure compliance with technical standards.

Data Science Intern TRG Solutions

Fine-tuned the DistilBERT model from HuggingFace, increasing sentiment classification accuracy from 47% to 86.20% across three categories (positive, negative, and neutral).
Implemented text classification models, including Random Forest, CatBoost, XGBoost, RoBERTa, and DistilBERT, utilizing Scikit-learn and Transformers packages to enhance predictive accuracy and performance.
Delivered a comprehensive presentation of findings to students and lecturers, communicating technical details and insights.
Collaborated closely with team members and operated under the guidance of a senior data scientist, efficiently sharing responsibilities and contributing to team success.

Education

Learning history

University of Haifa

Data Scientist

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