Olga C.

Key Skills

Software

Other

Top Subject Matter

E-commerce product feeds and web data quality assurance

Web content datasets

data cleaning

Top Data Types

Text

Document

Top Task Types

Data Collection

Entity (NER) Classification

Classification

Freelancer Overview

Senior Data Feeds Specialist (Agital). Brings 13+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other, MySQL database, and Microsoft SQL Server. Education includes Master of Arts, Brandeis University (2012) and Master of Arts, Astrakhan State University (2008). AI-training focus includes data types such as Text and labeling workflows including Data Collection, Evaluation, and Rating.

Labeling Experience

Senior Data Feeds Specialist (Agital)

OtherTextData Collection

Managed and standardized e-commerce feed data using filtering, mapping, and custom transformation rules. Applied SQL, regex, and other data operations to improve product listing acceptance and visibility. Built alerting and error monitoring workflows to detect issues during ongoing feed transfers and migrations. • Standardized feed fields to meet target platform requirements • Mapped and transformed product attributes across channels • Troubleshot and monitored data transfer errors • Supported feed migrations with integrity checks

2021 - 2024

Database development and QA specialist (Restaurant Sciences LLC)

Text

Created and maintained an MS SQL Server database from plain text source files. Performed data processing, normalization, and enhancement to improve dataset consistency. Provided data quality assurance by creating and executing stored-procedure-based tests. • Converted plain text files into structured SQL tables • Applied normalization and enhancement steps for consistency • Authored and ran database validation tests • Manually tested SharePoint-designed websites for data presentation quality

2014 - 2016

Database development and QA specialist (MullenLowe Advertising)

Text

Conducted scheduled data collection, updates, and QA for website datasets. Designed and ran automated stored-procedure-based tests to validate loaded and cleaned data. Performed manual testing of websites across multiple devices and browsers. • Loaded, cleaned, and processed data from Excel/XML/HTML into MySQL via stored procedures • Developed and executed automated database test cases • Authored QA documentation with data source references • Manually validated website behavior for data quality

2014 - 2016

Research Assistant (Brandeis University)

TextEntity (NER) ClassificationClassification

Built a technology ontology as part of a patent classification project. Developed and used annotations to identify technology contexts within patent texts. Supported structured analysis of unstructured patent language for downstream categorization. • Defined technology categories in an ontology • Annotated patent text for technology context signals • Used annotation scheme to support classification workflows • Contributed to building training/reference resources for the project

2012 - 2012

Education

Work History