Mary O.

Key Skills

Software

Clickworker

Top Subject Matter

Government Data

Urban Waste Management

Legal Services & Contract Review

Top Data Types

Text

Document

Top Task Types

Data Collection

Freelancer Overview

Editor, Admin & QA – Open Data Unit. Brings 12+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Microsoft Excel and ODK. Education includes Postgraduate Diploma, N/A (2026) and Bachelor of Science, N/A. AI-training focus includes data types such as Text and Structured Data and labeling workflows including Data Collection.

Labeling Experience

Editor, Admin & QA – Open Data Unit

TextData Collection

Performed data annotation, validation, and quality assurance on government datasets to ensure accuracy and reliability. Cleaned, categorized, and structured large volumes of text data for open data publication. Managed dataset updates and adherence to compliance standards. • Led inter-agency data collection and validation initiatives. • Published over 20 verified datasets in alignment with open data policies. • Ensured data integrity and detailed documentation for project reporting. • Utilized Microsoft Excel and Google Workspace tools for annotation and validation workflows.

2016 - 2018

Data Collector (Contract Role) – Connected Development Nigeria

Data Collection

Collected and annotated field data using ODK tools for urban waste management projects. Documented illegal waste dump sites with precise geolocation and classification. Maintained high integrity in categorizing and recording structured data sets. • Utilized ODK for accurate field data annotation and logging. • Conducted site assessments and geocoded environmental hazards. • Supported data quality through review and classification. • Facilitated urban development decision-making with reliable datasets.

2017 - 2017

Education

Work History