Marshalls Muyala

Key Skills

Software

CVAT

Toloka

Top Subject Matter

PPE detection

Industrial and Urban Safety

Nlp Domain Expertise

Top Data Types

Image

Audio

Text

Document

Top Task Types

Bounding Box

Audio Recording

Freelancer Overview

Freelance AI Data Specialist (Image Labeling for PPE Detection). Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include CVAT and Toloka. Education includes Bachelor's Degree, N/A (2024). AI-training focus includes data types such as Image and Audio and labeling workflows including Bounding Box and Audio Recording.

Labeling Experience

Freelance AI Data Specialist (Audio Data Collection & Tagging)

TolokaAudioAudio Recording

I managed and executed high-fidelity audio data collection for various NLP and speech-to-text training projects. I delivered clear, accurate voice datasets according to project requirements and platform specifications. My work also included audio tagging and transcription support. • Recorded and tagged audio clips for NLP • Used Toloka and DataForce platforms for data collection • Assisted in QA and ensured compliance with script guidelines • Delivered datasets for machine learning voice models

I managed and executed high-fidelity audio data collection for various NLP and speech-to-text training projects. I delivered clear, accurate voice datasets according to project requirements and platform specifications. My work also included audio tagging and transcription support. • Recorded and tagged audio clips for NLP • Used Toloka and DataForce platforms for data collection • Assisted in QA and ensured compliance with script guidelines • Delivered datasets for machine learning voice models

2024 - Present

Freelance AI Data Specialist (Image Labeling for PPE Detection)

CVATImageBounding Box

I executed image labeling projects focused on PPE detection and safety gear identification in diverse industrial settings. I maintained high accuracy and efficiency while delivering on complex bounding box annotation tasks. These projects involved large-scale datasets with strict adherence to guidelines. • Labeled hardhats, vests, gloves, and other PPE using bounding boxes • Used CVAT and Labelbox for annotation tasks • Managed over 2,000 tasks weekly with consistent 98%+ accuracy • Collaborated on urban and industrial object detection projects

I executed image labeling projects focused on PPE detection and safety gear identification in diverse industrial settings. I maintained high accuracy and efficiency while delivering on complex bounding box annotation tasks. These projects involved large-scale datasets with strict adherence to guidelines. • Labeled hardhats, vests, gloves, and other PPE using bounding boxes • Used CVAT and Labelbox for annotation tasks • Managed over 2,000 tasks weekly with consistent 98%+ accuracy • Collaborated on urban and industrial object detection projects

2024 - Present

Education

Work History