For employers

Hire this AI Trainer

Sign in or create an account to invite AI Trainers to your job.

Invite to Job
Vinton Juniour

Vinton Juniour

Multimodal Data Labeling Specialist | Text, Audio & Image Annotation

KENYA flag
Nyeri, Kenya
$12.00/hrExpertAws SagemakerAppenClickworker

Key Skills

Software

AWS SageMakerAWS SageMaker
AppenAppen
ClickworkerClickworker
CrowdSourceCrowdSource
Data Annotation TechData Annotation Tech
OneFormaOneForma
RemotasksRemotasks
TolokaToloka
TelusTelus
Scale AIScale AI

Top Subject Matter

No subject matter listed

Top Data Types

Computer Code ProgrammingComputer Code Programming
DocumentDocument
TextText

Top Task Types

Bounding Box
Classification
Computer Programming Coding
Data Collection
Text Summarization

Freelancer Overview

I’m a skilled and reliable Multimodal Data Annotation Specialist with hands-on experience labeling text, audio, image, and video datasets to train cutting-edge AI systems. Over the past two years, I’ve completed high-accuracy labeling projects on platforms like Fiverr, Upwork, Remotasks, and UHRS, supporting domains such as computer vision, natural language processing, and speech recognition. I’m proficient in a range of annotation tools including Labelbox, CVAT, Roboflow, and Label Studio, and I’ve worked on projects involving bounding box annotation, NER tagging, text classification, audio transcription, and LLM evaluation. My strengths include fast adaptation to new guidelines, consistent quality, and a deep commitment to improving AI through precise, clean, and scalable datasets.

ExpertEnglish

Labeling Experience

Clickworker

UHRS – Text Categorization & Search Evaluation

ClickworkerTextEntity Ner ClassificationClassification
Performed query intent classification, relevance scoring, and entity recognition across user-generated queries. Ensured consistency across batches and provided natural language feedback to improve LLM training and result quality.

Performed query intent classification, relevance scoring, and entity recognition across user-generated queries. Ensured consistency across batches and provided natural language feedback to improve LLM training and result quality.

2022
Scale AI

Remotasks – Computer Vision Annotation

Scale AIVideoBounding BoxPolygon
Labeled street-level images and dashcam footage for self-driving car datasets. Tasks included identifying and drawing bounding boxes and polygons around vehicles, pedestrians, traffic signs, and lane lines. Maintained over 97% accuracy across thousands of tasks through regular QA reviews and feedback loops.

Labeled street-level images and dashcam footage for self-driving car datasets. Tasks included identifying and drawing bounding boxes and polygons around vehicles, pedestrians, traffic signs, and lane lines. Maintained over 97% accuracy across thousands of tasks through regular QA reviews and feedback loops.

2023 - 2023

Education

D

Dedan Kimathi University of Technology

Bachelor of Science, Computer Science

Bachelor of Science
2018 - 2021

Work History

R

Remote Solutions

Data Entry Specialist

Remote
2022 - 2023
C

Creative Studio

Photo Editing Assistant

Remote
2021 - 2022