Marvina O.

Key Skills

Software

Don't disclose

Other

Appen

Clickworker

Data Annotation Tech

Mercor

Telus

Top Subject Matter

Customer issue classification and structured customer data management

Identity data verification and structured government registration records

Customer issue classification and structured data accuracy checking

Top Data Types

Text

Video

Audio

Top Task Types

Classification

Text Generation

Question Answering

Text Summarization

Evaluation/Rating

Transcription

Data Collection

Freelancer Overview

Customer Service Executive — Rocketpay Nigeria Limited (2019–2023). Brings 10+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Don't disclose and Other. Education includes Bachelor of Science, N/A. AI-training focus includes data types such as Text and labeling workflows including Classification.

Labeling Experience

Customer Service Executive — Rocketpay Nigeria Limited (2024–Present)

OtherTextClassification

Handled high-volume structured customer data by applying standardized guidelines to classify customer issues and resolve requests. Maintained accuracy and consistency in data entry, record keeping, and communication logs while ensuring adherence to operational procedures. Performed error detection by identifying and correcting inaccuracies in customer information and transaction records and supporting structured reporting for process optimization. • Handle high-volume structured customer data and ensure accuracy in documentation • Apply standardized guidelines to resolve and classify customer issues • Maintain consistency in data entry, record keeping, and communication logs • Identify and correct errors in customer information and transaction records

2024 - Present

Customer Service Executive — Rocketpay Nigeria Limited (2019–2023)

Don't discloseTextClassification

Performed instruction-following, rubric-like customer issue resolution by applying standardized guidelines to classify requests and maintain structured records. Ensured consistency in documentation, communication logs, and service databases while applying logical reasoning for categorization. Detected and corrected data-entry and record inconsistencies to maintain accurate customer information and transaction documentation. • Applied standardized procedures for resolving and categorizing customer issues • Maintained structured databases of customer interactions and service records • Conducted data entry, validation, and documentation with high accuracy • Ensured consistency and compliance with operational guidelines

2019 - 2023

NIN Enrollment Officer (2017–2019)

Don't discloseTextClassification

Performed structured data collection and validation by verifying sensitive identity fields according to standardized procedures. Ensured consistency and accuracy in data entry and verification outcomes while maintaining organized datasets for downstream processing. Applied decision rules for identity validation to reduce errors and support reliable registration documentation. • Collected, verified, and structured sensitive identity data under strict guidelines • Ensured accuracy and consistency in data entry and verification processes • Followed standardized procedures for identity validation and documentation • Maintained organized datasets for government registration systems

2017 - 2019

Education

Work History