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Andrii

Python-програміст

City of residence:
Ivano-Frankivsk
Ready to work:
Remote

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Andrii Dosyn
[open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section) | github.com/Dosinn

Education
Slovak University of Technology in Bratislava Bratislava, Slovakia
Bachelor of Science in Informatics, Faculty of Informatics and Information Technologies Sep. 2025 – present

Projects
News-Link | Python, Django, Celery, Redis, MongoDB, SentenceTransformers, AWS EC2
• Built an end-to-end NLP data pipeline for automated ingestion, analysis, and semantic clustering of
Ukrainian news articles from multiple media sources
• Fine-tuned a multilingual SentenceTransformer model on a custom Ukrainian news dataset to generate
dense vector embeddings - standard K-Means/DBSCAN proved ineffective for Ukrainian text similarity
• Designed a cosine similarity-based clustering engine with incremental centroid recalculation and
configurable similarity threshold
• Built a personalized content recommendation system using per-user preference vectors updated in
real-time via Exponential Moving Average (EMA)
• Optimized pipeline throughput with Redis caching and MongoDB Aggregation Pipelines; async
processing via Celery Beat keeps the web server non-blocking under load
• Deployed on AWS EC2 (Ubuntu); managed distributed background workers via Celery
• 1st Place - Junior Academy of Sciences of Ukraine (JASU) 2025, National Level, Dept. of Information
Technologies

AutoBook | Python, FastAPI, spaCy, TextBlob, MongoDB, MySQL
• University team project - AI-assisted platform for writers built as three independent microservices
communicating via REST
• Designed and built a production FastAPI microservice for automated text analysis: writing style
evaluation, linguistic suggestions, and generative text assistance using spaCy and TextBlob
• Designed REST API consumed by Java Spring Boot backend and React frontend

Technical Skills
Languages: Python, SQL
Frameworks & Libraries: Django, DRF, FastAPI, Celery, Pydantic, spaCy, SentenceTransformers,
BeautifulSoup4
Databases: PostgreSQL, MySQL, MongoDB, Redis
Tools & Infrastructure: Docker, Git, Linux, AWS EC2

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