Jonas S.

Key Skills

Software

Snorkel AI

Roboflow

V7 Labs

Labelbox

Kili Technology

CVAT

Top Subject Matter

AI training datasets (computer vision and text)

Top Data Types

Image

Text

Document

Top Task Types

Bounding Box

Segmentation

Classification

Object Detection

Text Summarization

Text Generation

Transcription

Data Collection

Computer Programming/Coding

Freelancer Overview

Data Annotation Specialist (Academic/Freelance). Brings 1+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Labelbox, CVAT, and Data Studio. Education includes Bachelor of Science, Dar Es Salaam Institute of Technology (DIT) (2027). AI-training focus includes data types such as Image and labeling workflows including Bounding Box.

Labeling Experience

Data Annotation Specialist (Academic/Freelance)

LabelboxImageBounding Box

Provided data annotation and categorization support for AI training datasets with a focus on accuracy checking and validation. Labeled content using common computer-vision annotation formats such as bounding boxes and polygon segmentation, and also performed text tagging and transcription when required. Maintained organized digital records and ensured labeled outputs met quality expectations. • Data labeling and categorization for dataset preparation • Accuracy checking, validation, and quality assurance • Annotation support using bounding boxes, polygons, text tagging, and transcription • Organized documentation and digital recordkeeping

Not specified

Education

Work History