Elena Sofina
@elenasofina
I’m an AI & Data Science professional who builds end-to-end ML pipelines and turns data into clear business insights.
What I'm looking for
I’m a highly analytical AI & Data Science graduate with a distinction MSc, combining technical depth in ML and data engineering with linguistics and project management strengths. I’ve built end-to-end machine learning pipelines, automated data cleaning workflows, and delivered evidence-based reporting to leadership.
In my recent role, I collected and processed multi-channel campaign data, segmented user datasets, and engineered an audio quality classification pipeline using a fine-tuned YAMNet embedding model with an XGBoost classifier. I also strengthened model performance by addressing severe class imbalance with augmentation and synthetic sample generation, while translating results into targeted strategy and performance reporting.
Experience
Work history, roles, and key accomplishments
Project Manager
Art Deco
Jan 2023 - Jan 2025 (2 years)
Collected, processed, and cleaned multi-channel campaign data to segment users and support targeted strategy. Initiated an internal ML pipeline for audio quality analysis, combining a fine-tuned YAMNet embedding model with an XGBoost classifier and planning CNN-based multi-class defect detection.
QA Tester
Lanck Telecom
Jan 2021 - Jan 2023 (2 years)
Tested voice call quality across major international carriers by routing international traffic to evaluate transmission performance. Identified and categorized network defects (dead air, silence, drops, one-way audio) and submitted detailed bug reports with raw call logs for engineering fixes.
Document Translator
Ministry of Internal Affairs
Jan 2019 - Jan 2020 (1 year)
Translated official legal and administrative documents from Spanish into Russian under strict compliance frameworks at the Ministry of Internal Affairs (Izhevsk).
Book Translator
Johan Galtung
Jan 2019 - Jan 2020 (1 year)
Independently managed end-to-end translation of a full-length academic book from Spanish into Russian while ensuring exact terminological consistency.
Translator & Interpreter (Volunteer)
Paralympic Games
Jan 2018 - Present (8 years 7 months)
Provided real-time live interpretation across Spanish, English, and Russian during an international cultural event to facilitate coordination between diverse international groups.
Education
Degrees, certifications, and relevant coursework
University of Hull
Master of Science, Artificial Intelligence and Data Science
2025 - 2026
Grade: Distinction
MSc (Distinction) in Artificial Intelligence and Data Science, completing a dissertation comparing full-image vs. single-cell unsupervised clustering for platelet morphology analysis. Built an automated computer vision pipeline with a U-Net (5-fold cross-validation) and a convolutional autoencoder for feature extraction and artifact isolation.
Udmurt State University
Bachelor of Arts, Linguistics
2016 - 2020
BA in Linguistics with a specialization in Romance Philology and coursework focused on linguistics, English, and Spanish.
Availability
Location
Authorized to work in
Job categories
Skills
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