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A
Anita A.

Anita A.

Data Specialist | Data Annotation | RLHF | AI Training

Nigeria flagAbuja, Nigeria

Key Skills

Software

Google Cloud Vertex AIGoogle Cloud Vertex AI
AppenAppen
ClickworkerClickworker
TelusTelus

Top Subject Matter

Voice AI (speech recognition and synthesis)
Structured data management for retail catalogues
RLHF evaluation and multimodal synthetic data

Top Data Types

TextText
ImageImage
AudioAudio

Top Task Types

Audio RecordingAudio Recording
ClassificationClassification
RLHFRLHF
Entity (NER) ClassificationEntity (NER) Classification
Bounding BoxBounding Box
SegmentationSegmentation
Text GenerationText Generation
Question AnsweringQuestion Answering
Text SummarizationText Summarization
Evaluation/RatingEvaluation/Rating
Object DetectionObject Detection

Freelancer Overview

Results-driven Data Specialist with over 2 years of hands-on experience contributing to the development and optimization of artificial intelligence systems across voice AI, multimodal data annotation, and structured data management. Proven track record of delivering high-accuracy outputs, including 99%+ annotation precision across large-scale AI training projects for globally recognized organizations. Adept at RLHF evaluation, synthetic data generation, prompt engineering, and voice training, with a strong commitment to data integrity and model quality. Combines a scientific foundation in Industrial Chemistry with deep practical expertise in the AI data pipeline.

Labeling Experience

AI Voice Trainer — Silencio Voice AI

AudioAudioQuestion AnsweringQuestion Answering

Recorded responses to multi-variable prompts. Categorized and labeled audio for accents, emotions, and intent. Applied phonetic guideline adherence during recording. Enhanced voice training dataset diversity and linguistic precision.

2026 - Present

AI Trainer — TELUS Digital AI Data Solutions

ImageImageRLHFRLHF

Generated synthetic multimodal training data, including image generation and complex prompt creation, to support AI model development. Evaluated and ranked model responses using criteria covering truthfulness, logical coherence, and safety standards. Drafted ideal responses to serve as ground truth for fine-tuning and assessed generated images for visual fidelity and prompt alignment to reinforce learning workflows.

2025 - 2026
Google Cloud Vertex AI

Photo Rater & Annotator — TELUS Digital AI Data Solutions (Contract, Remote)

Google Cloud Vertex AIGoogle Cloud Vertex AIImageImageEntity (NER) ClassificationEntity (NER) Classification

Performed large-scale image rating and annotation on images extracted from Google Images to improve search relevance and visual AI performance. Applied detailed metadata tags and labels aligned to project rubrics to achieve high annotation accuracy. Identified and flagged low-quality or non-compliant items to maintain training set integrity and uphold quality assurance standards. Leveraged categorization and machine learning support skills to systematically organize and validate annotated data at scale.

2024 - 2025

Education

V

Veritas University

Bachelor of Science, Industrial Chemistry

Bachelor of Science
2015 - 2019

Work History

W

Woflow

Data Specialist

San Francisco
2024 - 2026