Martin K.

Key Skills

Software

Appen

LabelImg

Top Subject Matter

Video annotation for AI training

AI model output review for training data quality

Supporting data entry and analysis for AI/data workflows

Top Data Types

Video

Text

Top Task Types

Action Recognition

Entity (NER) Classification

Freelancer Overview

Video Annotation Specialist — Remote Annotation Team. Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Bachelor of Science with Honors, University of Nairobi (2025) and Internship in Data Science, University of Nairobi (2025). AI-training focus includes data types such as Video, Computer Code, and Programming and labeling workflows including Action Recognition, Evaluation, and Rating.

Labeling Experience

Video Annotation Specialist — Remote Annotation Team

VideoAction Recognition

Provided high-quality video annotations with timestamps to support downstream AI workflows. Collaborated with AI training data pipelines to ensure labeled outputs met quality standards. Participated in continuous review processes to maintain labeling consistency across datasets. • Annotated video content with precise timestamping • Supported AI training data pipeline collaboration • Ensured consistent labeling quality and accuracy • Remote annotation work with a distributed team

2019 - Present

Data Annotation Specialist — AI Data Solutions

Reviewed and refined AI model outputs to improve label quality and reliability. Provided structured feedback to support process improvement initiatives and better alignment with training goals. Helped validate the effectiveness of AI outputs before further use in production workflows. • Reviewed and refined AI model outputs • Supplied feedback for process improvement • Contributed to higher-quality AI training data outcomes • Worked within an AI data solutions environment

2016 - 2019

Internship — Local Tech Company

TextEntity (NER) Classification

Assisted with data entry and analysis tasks in a local technology environment. Supported early-stage data preparation activities that contributed to downstream AI/data labeling work. Built experience collaborating with a remote team while supporting day-to-day data operations. • Performed data entry tasks • Assisted with data analysis support • Supported data preparation related activities • Gained experience in remote team collaboration

2012 - 2016

Education

Work History