Jou Mutheu

Key Skills

Software

Mindrift

Scale AI

Top Subject Matter

Natural Language Processing

Computer Vision

LLM Evaluation

Top Data Types

Text

Image

Top Task Types

Classification

Data Collection

Freelancer Overview

AI Data Annotation Specialist. Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Scale AI and Other. Education includes Master of Science, University of London (2022) and Bachelor of Science, Kenyatta University (2020). AI-training focus includes data types such as Text and labeling workflows including Classification, Evaluation, and Rating.

Labeling Experience

AI Data Annotation Specialist

Scale AITextClassification

As an AI Data Annotation Specialist at Scale AI, I labeled over 50,000 data points for NLP and computer vision applications. My tasks included annotating and validating data for model training and evaluation. I focused on maintaining quality standards and identifying edge cases to improve model robustness. • Consistently exceeded daily annotation targets by 20% • Achieved over 98% annotation accuracy • Reduced annotation errors by 25% through QA • Identified 1,000+ edge cases

As an AI Data Annotation Specialist at Scale AI, I labeled over 50,000 data points for NLP and computer vision applications. My tasks included annotating and validating data for model training and evaluation. I focused on maintaining quality standards and identifying edge cases to improve model robustness. • Consistently exceeded daily annotation targets by 20% • Achieved over 98% annotation accuracy • Reduced annotation errors by 25% through QA • Identified 1,000+ edge cases

2023 - Present

Data Analyst / AI Support

OtherTextData Collection

On Upwork, I completed a variety of data annotation projects supporting AI and ML model development. I built structured datasets and delivered projects to client specifications. My focus was on quality and timely completion for maximum client satisfaction. • Delivered over 30 AI annotation projects • Received consistent 5-star client ratings • Projects contributed to training datasets for ML models • Met all client deadlines with efficiency

On Upwork, I completed a variety of data annotation projects supporting AI and ML model development. I built structured datasets and delivered projects to client specifications. My focus was on quality and timely completion for maximum client satisfaction. • Delivered over 30 AI annotation projects • Received consistent 5-star client ratings • Projects contributed to training datasets for ML models • Met all client deadlines with efficiency

2021 - Present

AI Training Contributor

OtherText

At Turing, I contributed high-quality data for AI model training and evaluation. My role involved evaluating model outputs and providing structured feedback. I enhanced dataset consistency by closely adhering to labeling guidelines. • Evaluated over 5,000 model outputs • Improved model performance through structured reviews • Adhered to strict quality guidelines • Increased dataset consistency by 30%

At Turing, I contributed high-quality data for AI model training and evaluation. My role involved evaluating model outputs and providing structured feedback. I enhanced dataset consistency by closely adhering to labeling guidelines. • Evaluated over 5,000 model outputs • Improved model performance through structured reviews • Adhered to strict quality guidelines • Increased dataset consistency by 30%

2022 - 2023

Education

Work History