Sammy W.

Key Skills

Software

Other

Micro1

Mercor

Telus

Appen

Clickworker

Data Annotation Tech

Top Subject Matter

AI-driven visual experiences

image dataset preparation for machine learning

Top Data Types

Image

Audio

Video

Top Task Types

Fine-tuning

Transcription

Question Answering

Data Collection

Text Generation

Freelancer Overview

Visual Data Training / AI Training Support (Image dataset labeling and quality control). Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Science, Kirinyaga University (2029) and KCSE Certificate, Githunguchu Secondary School (2025). AI-training focus includes data types such as Image and labeling workflows including Fine-tuning.

Labeling Experience

Data Labelling

VideoData Collection

Worked on AI training and data labeling tasks involving image, video, and text annotation. Responsible for reviewing and labeling data according to project guidelines to help improve machine learning models. Maintained accuracy, consistency, and quality while completing tasks within required timelines. Also participated in data validation and quality checks to ensure reliable training data for AI systems.

2025 - Present

Visual Data Training / AI Training Support (Image dataset labeling and quality control)

OtherImageFine-tuning

Provided image dataset labeling and edits to support AI-driven visual experiences for machine learning use. Followed strict creative constraints and technical documentation to ensure high-quality visual data outputs. Performed visual frame-by-frame quality control to deliver zero-defect results. • High-fidelity image masking and retouching • Object swapping and precise object manipulation • In-painting and out-painting to repair/extend assets

2025 - Present

Education

Work History