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Mercy Ogosi

AI Data Specialist (Confidential Global Project)

KENYA flag
Nairobi, Kenya
$10.00/hrIntermediateOtherAppenLabelbox

Key Skills

Software

Other
AppenAppen
LabelboxLabelbox
Label StudioLabel Studio

Top Subject Matter

LLM Reasoning
AI Safety
Global Technical Standards

Top Data Types

TextText
ImageImage
VideoVideo
DocumentDocument

Top Task Types

Bounding Box
Point Key Point
Polyline
Transcription
Data Collection
Prompt Response Writing SFT
Fine Tuning
Polygon

Freelancer Overview

AI Data Specialist (Confidential Global Project). Brings 6+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Google Gemini, Adobe Firefly, and Other. Education includes Diploma, Kabete Technical Training Institute and Certificate, IBM SkillsBuild. AI-training focus includes data types such as Text, Image, and Video and labeling workflows including Evaluation and Rating.

IntermediateSwahiliEnglish

Labeling Experience

AI Data Specialist (Confidential Global Project)

Text
Executed high-precision multimodal labeling for text, image, and video data sets to train and evaluate Large Language Models on reasoning and safety. Routinely performed side-by-side (SxS) ranking and evaluation tasks to detect logical fallacies and "hallucinations" in AI-generated output. Used structured rubrics to validate factuality, compliance, and alignment with global standards. • Consistently achieved 100% compliance with meticulous data integrity standards • Applied RLHF and AI safety practices in daily annotation and evaluation • Leveraged expertise in bridging technical evaluations with user expectations • Ensured safe, accurate, and contextually sound model outcomes

Executed high-precision multimodal labeling for text, image, and video data sets to train and evaluate Large Language Models on reasoning and safety. Routinely performed side-by-side (SxS) ranking and evaluation tasks to detect logical fallacies and "hallucinations" in AI-generated output. Used structured rubrics to validate factuality, compliance, and alignment with global standards. • Consistently achieved 100% compliance with meticulous data integrity standards • Applied RLHF and AI safety practices in daily annotation and evaluation • Leveraged expertise in bridging technical evaluations with user expectations • Ensured safe, accurate, and contextually sound model outcomes

2023 - Present

Multimodal AI Evaluation Framework (Project Work)

OtherImage
Developed and implemented an AI evaluation framework for assessing AI-generated visual content against textual prompts, focusing on edge case detection in spatial and cultural reasoning. Applied marketing psychology to evaluate "brand safety" and ethical alignment of generated advertising copy. Ensured that model outputs adhered to both technical and cultural accuracy expectations. • Created detailed checklists for edge case scenario assessment • Employed principles of cross-functional evaluation for reliability • Contributed to improvements in AI-generated advertising content safety • Supported high-stakes review processes for LLM content outputs

Developed and implemented an AI evaluation framework for assessing AI-generated visual content against textual prompts, focusing on edge case detection in spatial and cultural reasoning. Applied marketing psychology to evaluate "brand safety" and ethical alignment of generated advertising copy. Ensured that model outputs adhered to both technical and cultural accuracy expectations. • Created detailed checklists for edge case scenario assessment • Employed principles of cross-functional evaluation for reliability • Contributed to improvements in AI-generated advertising content safety • Supported high-stakes review processes for LLM content outputs

2022 - 2023

Education

I

IBM SkillsBuild

Certificate, Information Technology

Certificate
Not specified
K

Kabete Technical Training Institute

Diploma, Management Information Systems

Diploma
Not specified

Work History

I

IEBC

Data Integrity Lead

Nairobi
2022 - 2023
C

Creative Innovations Ltd

Business Analysis Consultant

Nairobi
2018 - 2021