Clinton M.

Key Skills

Software

Appen

Scale AI

Remotasks

CVAT

iMerit

Mindrift

Toloka

Top Subject Matter

NLP for finance

Healthcare Data & Medical Documentation

and e-commerce

Top Data Types

Text

Audio

Document

Top Task Types

Transcription

Question Answering

Evaluation/Rating

Prompt + Response Writing (SFT)

Freelancer Overview

Data Labelling Analyst | Appen. Brings 2+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Appen, Other, and Scale AI. Education includes Bachelor of Science, Jomo Kenyatta University of Agriculture and Technology (2019). AI-training focus includes data types such as Text and Audio and labeling workflows including Entity (NER), Transcription, and Evaluation.

Labeling Experience

Senior Data Annotation & Prompt Evaluation Specialist | Remotasks / Scale AI

Scale AIText

Evaluated AI-generated responses at high volume and provided structured rubric-based feedback for model training. Applied multi-criteria quality frameworks (accuracy, coherence, helpfulness, safety) to rank outputs with strong inter-annotator agreement. Identified failure modes such as hallucinations, vague reasoning, and format non-compliance, informing prompt-engineering revisions. • Assessed 500+ AI responses per week across multiple NLP generation tasks • Ranked model outputs using accuracy/coherence/helpfulness/safety criteria • Wrote structured feedback for direct consumption by model trainers • Mentored junior annotators and supported quality improvements

2022 - Present

Data Labelling Analyst | Appen

AppenText

Performed data labeling for text classification, NER, and sentiment analysis across multiple enterprise datasets. Authored annotation guidelines and decision trees to reduce ambiguity and improve consistency. Completed self-qualification QA checks prior to submission to maintain high labeling accuracy. • Labeled text data for NER, classification, and sentiment tasks • Built and refined guidelines/decision trees for consistent annotations • Conducted self-QA passes to reach ~97.4% personal accuracy • Escalated ambiguous cases with written justifications to project managers

2020 - 2022

Freelance Content Reviewer & Transcription Specialist

OtherAudioTranscription

Reviewed and quality-checked machine-generated transcripts and content for accuracy, grammar, and contextual appropriateness in English and Swahili datasets. Delivered clear, actionable written reports describing content quality issues. Supported clients by enabling faster correction cycles and improving final output quality. • Verified transcript accuracy and linguistic correctness • Assessed contextual appropriateness across languages • Reported issues with clear written observations • Helped improve downstream correction workflows

2019 - 2020

Education

Work History