Joseph Mwangi

Key Skills

Software

Clickworker

Remotasks

Other

Top Subject Matter

No subject matter listed

Top Data Types

Audio

Image

Text

Top Label Types

Audio Recording

Classification

Text Generation

Transcription

Translation Localization

Freelancer Overview

With a strong background in IT management and hands-on experience in data collection, cleaning, and quality assurance, I bring a detail-oriented approach to data labeling and AI training data roles. My experience includes designing research questionnaires, overseeing field data collection, performing data verification, and ensuring the accuracy and consistency of large datasets. I have led teams in adopting digital tools for efficient data gathering and have implemented SOPs to maintain data integrity and security. I am highly skilled in documentation, database management, and training teams on new systems, which ensures high-quality annotated data for AI and machine learning projects. My technical expertise and commitment to process improvement make me confident in supporting complex data annotation tasks across various domains.

Labeling Experience

Data Annotation Specialist

RemotasksTextClassification

As a Data Annotation Specialist at Remotask Organization, I annotated and validated large datasets, including text, images, audio, and video, to support machine learning and AI model development. I ensured compliance with labeling guidelines and conducted rigorous quality assurance to maintain high data integrity. I collaborated with cross-functional teams to meet project goals and used advanced annotation platforms for efficiency. • Performed detailed data labeling across various formats (text, image, audio, video). • Utilized Remotasks, Labelbox, Supervisely, and CVAT to categorize and structure datasets. • Trained new team members on annotation best practices and tool usage. • Ensured all work followed organizational policies for data security and compliance.

As a Data Annotation Specialist at Remotask Organization, I annotated and validated large datasets, including text, images, audio, and video, to support machine learning and AI model development. I ensured compliance with labeling guidelines and conducted rigorous quality assurance to maintain high data integrity. I collaborated with cross-functional teams to meet project goals and used advanced annotation platforms for efficiency. • Performed detailed data labeling across various formats (text, image, audio, video). • Utilized Remotasks, Labelbox, Supervisely, and CVAT to categorize and structure datasets. • Trained new team members on annotation best practices and tool usage. • Ensured all work followed organizational policies for data security and compliance.

2020 - 2026

Education

Work History