James K.

Key Skills

Software

Other

Top Subject Matter

AI model training and supervised data labeling

Dataset cleaning

Validation Domain Expertise

Top Data Types

Text

Top Task Types

Classification

Data Collection

Freelancer Overview

AI Trainer & Data Annotation Specialist — Outlier AI (1 Year). Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other, Internal, and Proprietary Tooling. Education includes Bachelor of Science, Murang'a University of Technology (2021). AI-training focus includes data types such as Text and labeling workflows including Classification and Data Collection.

Labeling Experience

AI Trainer & Data Annotation Specialist — Outlier AI (1 Year)

OtherTextClassification

Performed AI-focused data annotation and classification tasks for machine learning datasets under an AI training workflow. Evaluated and improved AI-generated outputs as part of quality assurance checks and consistency validation. Supported collaborative efforts aimed at enhancing model performance and reliability across training data. • Annotated and classified dataset records for supervised ML training • Conducted quality assurance on AI-generated outputs • Ensured annotation accuracy and consistency across training datasets • Collaborated with teams to improve AI model performance

2022 - 2023

Data Entry & Data Analysis Specialist (2 Years)

TextData Collection

Managed data entry and dataset preparation activities supporting downstream reporting and business use. Organized, cleaned, and validated datasets to ensure data integrity and consistency for operational workflows. Applied verification and validation steps to improve accuracy in processed data. • Maintained high-accuracy data entry with consistency checks • Cleaned and organized datasets for reporting • Validated records to support reliable outputs • Improved reporting efficiency through accurate data processing

2020 - 2021

Education

Work History