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E

Esther Oqua

AI Data Annotation Specialist

Nigeria flagCalabar, Nigeria
IntermediateOther

Key Skills

Software

Other

Top Subject Matter

AI Content Evaluation
Text Evaluation for AI Training

Top Data Types

TextText

Top Task Types

No task types listed

Freelancer Overview

AI Data Annotation Specialist. Brings 2+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Registered Nurse, College Of Nursing, UCTH (2023) and Senior Secondary School Certificate, Federal Airport Authority Of Nigeria Secondary School (2022). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

Intermediate

Labeling Experience

AI Response Evaluation & Ranking Project

OtherText
For an AI Response Evaluation & Ranking project, I assessed and ranked multiple AI-generated written responses on quality and relevance. I provided written justifications for response selections, ensuring outputs matched prompt guidelines and user intent. I rewrote unclear or inaccurate responses to support model refinement. • Ranked AI-generated responses using defined criteria for quality and appropriateness. • Documented rationale for selection and outlined improvement suggestions. • Ensured alignment with prompt requirements and guideline adherence. • Contributed to dataset improvement by refining and annotating content.

For an AI Response Evaluation & Ranking project, I assessed and ranked multiple AI-generated written responses on quality and relevance. I provided written justifications for response selections, ensuring outputs matched prompt guidelines and user intent. I rewrote unclear or inaccurate responses to support model refinement. • Ranked AI-generated responses using defined criteria for quality and appropriateness. • Documented rationale for selection and outlined improvement suggestions. • Ensured alignment with prompt requirements and guideline adherence. • Contributed to dataset improvement by refining and annotating content.

2025 - Present

AI Data Annotation Specialist

OtherText
As an AI Data Annotation Specialist, I evaluated and annotated AI-generated text outputs to improve model quality. I applied strict guidelines to assess accuracy, coherence, and relevance of responses. I categorized and labeled data, identifying errors and ensuring high consistency across datasets. • Evaluated multiple AI or machine-generated textual outputs using established rubrics. • Provided detailed feedback and flagged bias, inconsistency, or factual inaccuracies. • Maintained a high level of accuracy and efficiency in repetitive labeling tasks. • Enhanced AI model performance by reviewing, ranking, and annotating large-scale datasets.

As an AI Data Annotation Specialist, I evaluated and annotated AI-generated text outputs to improve model quality. I applied strict guidelines to assess accuracy, coherence, and relevance of responses. I categorized and labeled data, identifying errors and ensuring high consistency across datasets. • Evaluated multiple AI or machine-generated textual outputs using established rubrics. • Provided detailed feedback and flagged bias, inconsistency, or factual inaccuracies. • Maintained a high level of accuracy and efficiency in repetitive labeling tasks. • Enhanced AI model performance by reviewing, ranking, and annotating large-scale datasets.

2025 - Present

Education

F

Federal Airport Authority Of Nigeria Secondary School

Senior Secondary School Certificate, General Secondary Education

Senior Secondary School Certificate
2016 - 2022
C

College Of Nursing, UCTH

Registered Nurse, Nursing

Registered Nurse
2023

Work History

S

Self-Employed

Social Media & Customer Engagement Assistant

N/A
2023 - 2024