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Natallia KostsinaNK
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Natallia Kostsina

@natalliakostsina

AI & Software Engineer with expertise in building LLM-backed GenAI applications, RAG pipelines, and scalable backend/frontend systems.

France
Message

At Aiway, I engineered GenAI applications and RAG pipelines for document classification and automated field-filling in French notarial workflows. I upgraded legacy fastText baselines with domain-adapted transformers and open-source LLMs, improving F1-score by 32%.

I built PostgreSQL and pgvector pipelines for semantic search and context retrieval, and created an AI evaluation framework using Golden Datasets. I also established MLflow infrastructure for experiment tracking and reproducible evaluation.

Earlier, as a Research Intern with M-PSI Team, LIG, I developed the COCOR benchmark dataset to evaluate computer vision robustness to orientation shifts. At Spans, I developed responsive React applications and interactive visual modules, and mentored a sub-team of two frontend developers.

Experience

Work history, roles, and key accomplishments

SP

Middle Frontend Developer

Spans

May 2023 - Oct 2024 (1 year 5 months)

Architected and developed 15+ responsive web applications using React and TypeScript, integrating with RESTful APIs and building interactive 2D/3D visual modules. Mentored a sub-team of 2 frontend developers within Agile workflows.

Education

Degrees, certifications, and relevant coursework

Université Grenoble Alpes logoUA

Université Grenoble Alpes

Master of Computer Science, Computer Science

2024 -

Activities and societies: Relevant Coursework: Generative & Multimodal AI, Deep Learning, Natural Language Processing, Computer Vision, Machine Learning

Master of Computer Science with a specialization in Applied Artificial Intelligence, covering generative and multimodal AI, deep learning, NLP, computer vision, and machine learning.

University of Lodz logoUL

University of Lodz

Bachelor in Computer Science, Computer Science

2020 - 2024

Activities and societies: Relevant Coursework: Data Structures & Algorithms, Software Engineering, Interface Design, Database Systems

Bachelor in Computer Science, with coursework in data structures, algorithms, software engineering, interface design, and database systems.

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