Наталія

Nataliia Kobrii
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SUMMARY

Dedicated and driven Software Developer and aspiring AI Engineer, currently pursuing a BSc in Computer Science at York
University and an Artificial Intelligence Certificate at the University of Toronto. Experienced in full-stack development and
foundational ML/DL coursework. Passionate about AI technologies, automation, and emerging tools, with a proven ability to learn
quickly, adapt, and apply new techniques in real projects. Highly motivated to grow into an AI-focused role and contribute to
building practical, scalable AI solutions.

PROFESSIONAL EXPERIENCE
Research Software Engineer (Volunteer) – AI & Security​ Remote
ARIMLABS​ ​ July 2025 - Present
●​ Currently working on an AI-driven financial anti-fraud system using Python-based ML pipelines. Performing data
preprocessing, feature engineering, and model evaluation on transactional datasets. Building and evaluating classification
models with attention to class imbalance and performance metrics.
●​ Supported a LLM-focused project by performing structured data labeling and annotation to improve model training and
evaluation quality.
●​ Designed a vulnerability scoring calculator to quantify system risk and prioritize mitigation efforts.

Junior Full-Stack Developer​ Canada, Toronto
Self-employed​​ November 2023 - Present
●​ Collaborating with a Senior Software Developer on multiple client projects, contributing to full-stack development across
backend and frontend layers using JavaScript, Node.js, and React.

Intern Full Stack Developer​ Poland, Katowice
Outvio OÜ​ ​ January 2023 - July 2023
●​ Contributed to the development of delivery-management software for eCommerce as part of an international team,
shipping features from design to production. Tech stack: JavaScript, Node.js, React.js, Tailwind, Jest.

Maternity Leave (Career Break)​ ​ ​ ​ ​ ​ ​ September 2018 - January 2023​
​
Junior PHP | Drupal Developer​ ​ ​ ​ ​ ​ ​ ​ ​ Ukraine, Lutsk
Drudesk LLC​​ April 2017 - September 2018
●​ Contributed to the development and maintenance of 10+ Drupal-based websites using Drupal 7/8, PHP, JavaScript,
MySQL, Twig, and related technologies. Performed quality assurance to ensure optimal functionality, reliability, and user
experience of web applications.
Notable projects: Curated Care, Simplicated.

Intern PHP Developer​ Ukraine, Lutsk
Soft-Group​ ​ November 2016 - April 2017
●​ Assisted in developing and maintaining web applications using PHP and MySQL. Implemented backend features, fixed
bugs, and optimized existing code under senior developer supervision. Worked with HTML, CSS, and JavaScript to
support basic front-end functionality. Participated in code reviews, debugging, and testing to improve application stability.
Collaborated with a development team to deliver tasks according to project requirements and deadlines.

Accountant​ ​ Ukraine, Lutsk
Lutsk Cardboard and Paper Mill​ September 2015 - November 2016
●​ Managed financial records and performed bookkeeping for the production facility. Recorded daily transactions and
prepared and maintained financial statements.

EDUCATION & CERTIFICATIONS
York University | Lassonde school of Engineering​ Canada, Toronto
Bachelor of Science (Honors) in Computer Science​ January 2025 - Present

University of Toronto | School of Continuing Studies​ Canada, Toronto
Artificial Intelligence Certificate:​ May 2025 - Present
Machine & Deep Learning (completed); Agentic AI (in progress, expected March 2026)
SoftServe Academy​ Remote
Practical - Python course​ February 2025 - April 2025
- React course​ October 2022 - December 2022

International Language Academy of Canada​ Canada, Toronto
University Pathway Program; General English (B2 - C1)​ April 2024 - August 2024

University of Manitoba - English Language Centre (ELC)​ Remote
Intensive Academic English Program​ September 2023 - December 2023

Loftschool​ ​ Remote
Software Development course (JavaScript, PHP, and Frameworks)​ June 2016 - October 2016

Lviv University of Trade and Economics​ Ukraine, Lviv
Master’s Degree in Economics of Enterprise​ September 2014 - July 2015

Lviv University of Trade and Economics​ Ukraine, Lviv
Bachelor’s Degree in Business Economics​ September 2010 - July 2014

ADDITIONAL INFORMATION
●​ Languages: English (Professional Working Proficiency), Ukrainian (Native).

●​ Technical Skills:

Programming Languages: Python, JavaScript, TypeScript, PHP, Java, C.

Machine Learning & Data:
Data preprocessing, feature engineering, and exploratory data analysis.
Classification, regression, and clustering models.
Model evaluation using cross-validation and standard performance metrics.
Feature scaling, encoding, and feature selection.
Libraries & tools: Pandas, NumPy, Scikit-learn, TensorFlow.

Deep Learning:​
​ ​ Designed and trained CNNs, RNNs/LSTMs, autoencoders, and variational autoencoders using
TensorFlow/Keras.​
​ ​ Applied deep learning techniques to computer vision, NLP, sequential modeling, and speech recognition.​
​ ​ Performed hyperparameter tuning, model optimization, and generative modeling.​
​ ​ Gained hands-on experience with representation learning, transfer learning, and model evaluation.

Backend Development: Node.js, Express.js, Django.

Frontend Development: HTML5, CSS3, React.js, Tailwind CSS, Responsive Web Design.

Databases: PostgreSQL, MySQL, MongoDB.

Tools & DevOps: Git, GitHub, Docker, Docker Compose.

Agile & Project Management: Scrum, Kanban, Jira.