Joseph Muthaka

Key Skills

Software

Appen

Argilla

Clickworker

CloudFactory

CVAT

Mercor

Telus

Label Studio

Roboflow

Top Subject Matter

Video Game Computer Vision/Object Detection

Image Annotation/Practice Project

OLO Annotation Format Basic COCO Format Knowledge Basic Computer Applications

Top Data Types

Text

Document

Image

Top Task Types

Bounding Box

Point/Key Point

Question Answering

Text Summarization

Transcription

Data Collection

Segmentation

Polygon

Classification

Text Generation

Object Detection

Freelancer Overview

Video Game Character Annotation Project (YOLO). Core strengths include Roboflow and CVAT. AI-training focus includes data types such as Image and labeling workflows including Bounding Box.

Labeling Experience

Freelance Data Annotation / AI Training (Self-Initiated Practice)

Label StudioImagePolygon

Practiced data labeling tasks, including text classification, sentiment analysis, and data categorization Followed annotation guidelines to ensure consistency and high-quality outputs Reviewed and corrected labeled data to improve accuracy and reduce errors Developed strong understanding of AI training data workflows and quality control processes

Practiced data labeling tasks, including text classification, sentiment analysis, and data categorization Followed annotation guidelines to ensure consistency and high-quality outputs Reviewed and corrected labeled data to improve accuracy and reduce errors Developed strong understanding of AI training data workflows and quality control processes

2018 - 2025

Education

Work History