Елена

OLENA TATCHUK
DATA PROCESSING SPECIALIST || DATA ANNOTATOR
|| DATA LABELER

ABOUT

Experienced Data Processing Specialist with 4+ years in labeling large-scale
datasets for Computer Vision (CV) and Natural Language Processing (NLP).
Proficient in CVAT, Label Studio, and LabelMe. Focused on delivering high-
quality annotations, optimizing workflows, and maintaining project
documentation. Proven track record in AI projects across healthcare,
CONTACT transportation, and cybersecurity sectors.

P: [open contact info](look above in the "contact info" section)
E: [open contact info](look above in the "contact info" section)
T: @Tatchuk_Lena WORK EXPERIENCE
LI: LinkedIn
DATA LABELING SPECIALIST
Kyiv, Ukraine
SOFTCONSTRUCT || APR 2022 - JAN 2026

Annotated texts for KYC projects using specialized tools such as
PROFESSIONAL LabelMe and Label Studio;
TOOLS Collaborating and communicating with ML engineers to ensure data
quality and model requirements compliance;
CVAT Creating and maintaining clear documentation for labeling processes
LABEL STUDIO and project guidelines;
Remoter.me Assigning tags and categorizing data according to given criteria;
LabelMe Identifying key objects and defining their characteristics;
Photoshop Reviewing and correcting labeled data, making adjustments based on
Jira feedback.
Trello

DATA ANNOTATOR

PROFESSIONAL LABEL YOUR DATA || APR 2022 - MAR 2024 (PROJECT-BASED)
SKILLS || FEB 2021 - MAR 2022

Data Annotation & Labeling Labeled texts and invoices/bills in multiple languages using CVAT and
Data Categorization & Tagging Remoter.me;
Quality Assurance Analyzed texts and assigned them to specific categories;
Collaboration with ML Teams Recognize and tag required objects with high accuracy according to
Documentation & Process the rules of the task;
Management Creating and maintaining clear documentation for labeling processes
and project guidelines.

PERSONAL SKILLS
EDUCATION
Creative spirit
Reliable and professional
Kryvyi Rih National University
Organized
Time management Civil Engineering || 2009 - 2014
Team Collaboration
Fast learner Mini-course "Project management & AI"
Motivated
Beetroot Academy Nov 2025 - Jan 2026

Google AI Essentials
LANGUAGES
Google Dec 2025
English - B1
Polish - B1 (Certificate) Mini-course "Fundamentals of Software Testing"
Ukrainian - Native
Russian - Native QATestLab Jan 2024 - Feb 2024