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Precious A.

Precious A.

Data Annotation Specialist / AI Content Developer (Freelance, Remote)

Nigeria flagLagos, Nigeria

Key Skills

Software

Data Annotation TechData Annotation Tech
OneFormaOneForma

Top Subject Matter

Large Language Models (LLMs) training data
Qa Domain Expertise
and evaluation

Top Data Types

TextText
DocumentDocument
ImageImage

Top Task Types

Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)
ClassificationClassification
Object DetectionObject Detection
Text GenerationText Generation
Text SummarizationText Summarization
Evaluation/RatingEvaluation/Rating
Data CollectionData Collection
TranscriptionTranscription
Function CallingFunction Calling
Question AnsweringQuestion Answering

Freelancer Overview

Data Annotation Specialist / AI Content Developer (Freelance, Remote). Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Don't disclose. Education includes Bachelor of Nursing Science, University of Benin (2025) and Accounting Technician Certificate, ATSWA (2022). AI-training focus includes data types such as Text and labeling workflows including Prompt + Response Writing (SFT).

Labeling Experience

Data Annotation Specialist / AI Content Developer (Freelance, Remote)

Don't discloseTextTextPrompt + Response Writing (SFT)Prompt + Response Writing (SFT)

AI Content Developer and Data Annotation Specialist with 3+ years of experience creating and refining training datasets for large language models. Responsibilities include evaluating model outputs for accuracy and guideline adherence, as well as producing complex prompts and structured ground-truth responses for benchmarking and training. Work also focuses on detecting hallucinations and logical inconsistencies to improve model behavior and safety alignment. • Developed and edited training datasets for 50+ AI models • Created prompts, tasks, and ground-truth answers for training/benchmarking • Performed multi-stage quality assurance and output evaluation • Identified hallucinations, shallow reasoning, and logical inconsistencies in LLMs

2022 - Present

Education

A

ALX

Virtual Assistant Certification, Virtual Assistance

Virtual Assistant Certification
2025 - 2025
U

University of Benin

Bachelor of Nursing Science, Nursing Science

Bachelor of Nursing Science
2021 - 2025

Work History

D

DataAnnotation.Tech

Data Annotator

Remote
2022 - Present
J

Junior Chamber International Nigeria

Leadership & Community Team Member

Lagos
2021 - Present