Mazdine Mwandoe

Key Skills

Software

Label Studio

Remotasks

Appen

AWS SageMaker

CloudFactory

Clickworker

CVAT

CrowdSource

Labelbox

Telus

Top Subject Matter

AI Training Data Preparation

AI Data Annotation Training

Legal Services & Contract Review

Top Data Types

Image

Text

Document

Top Task Types

Bounding Box

Classification

Polygon

Segmentation

Polyline

Text Generation

Transcription

Data Collection

Prompt + Response Writing (SFT)

Evaluation/Rating

Text Summarization

Question Answering

Object Detection

Freelancer Overview

Data Annotation Specialist (Freelance). Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Label Studio and Remotasks. Education includes Bachelor of Science, Meru University of Science and Technology (2022) and Kenya Certificate of Secondary Education, Mwambonu Secondary School (2016). AI-training focus includes data types such as Image and Text and labeling workflows including Bounding Box and Classification.

Labeling Experience

Data Annotation Specialist (Freelance)

Label StudioImageBounding Box

As a Data Annotation Specialist, I annotated and labeled various datasets including images, text, and audio for AI model training purposes. I followed project-specified annotation guidelines and consistently maintained high accuracy across tasks. I utilized advanced annotation tools such as Label Studio and CVAT to ensure consistency and quality. • Executed bounding box annotation for object detection on image datasets. • Performed text classification and sentiment analysis labeling. • Conducted audio transcription and tagging assignments. • Reviewed and validated dataset quality before submission.

As a Data Annotation Specialist, I annotated and labeled various datasets including images, text, and audio for AI model training purposes. I followed project-specified annotation guidelines and consistently maintained high accuracy across tasks. I utilized advanced annotation tools such as Label Studio and CVAT to ensure consistency and quality. • Executed bounding box annotation for object detection on image datasets. • Performed text classification and sentiment analysis labeling. • Conducted audio transcription and tagging assignments. • Reviewed and validated dataset quality before submission.

2024 - Present

Digital Skills Trainer / Online Work Facilitator

RemotasksTextClassification

As a Digital Skills Trainer, I instructed students in the fundamentals of data annotation and AI-support work. My work involved training learners on platforms like Remotasks and Telus International, focusing on practical labeling tasks. I guided project execution while maintaining quality and performance standards. • Provided hands-on training in data annotation using Remotasks and Telus platforms. • Assisted students in task completion and quality control. • Monitored and evaluated learners’ progress in annotation tasks. • Fostered best practices and annotation accuracy in AI projects.

As a Digital Skills Trainer, I instructed students in the fundamentals of data annotation and AI-support work. My work involved training learners on platforms like Remotasks and Telus International, focusing on practical labeling tasks. I guided project execution while maintaining quality and performance standards. • Provided hands-on training in data annotation using Remotasks and Telus platforms. • Assisted students in task completion and quality control. • Monitored and evaluated learners’ progress in annotation tasks. • Fostered best practices and annotation accuracy in AI projects.

2023 - Present

Education

Work History