Divyeshbhai Kothari

Key Skills

Software

Appen

Clickworker

CrowdSource

CVAT

Data Annotation Tech

Datature

Doccano

iMerit

Img Lab

Labelbox

LabelImg

Label Studio

Mercor

Mindrift

OpenCV AI Kit (OAK)

Roboflow

SuperAnnotate

Toloka

Telus

Top Subject Matter

No subject matter listed

Top Data Types

Document

Image

Video

Top Label Types

Bounding Box

Point Key Point

Polygon

Polyline

Segmentation

Freelancer Overview

Results-oriented data annotation and AI training specialist with 7 years' experience in multimodal dataset creation, covering image, text, speech, audio, and video workflows for machine learning projects. Skilled in advanced annotation techniques—including bounding box, polygon, semantic segmentation, transcription, entity recognition, and multilingual prompt evaluation—with a proven record of maintaining 96%+ accuracy across 25+ annotation projects. Proficient in leading labeling platforms and tools such as Roboflow, LabelImg, CVAT, Doccano, Labelbox, and multiple transcription/translation software suites. Key strengths include large language model alignment, RLHF-based evaluation, cross-lingual data labeling (English/Hindi/Gujarati), technical translation, prompt grading, and high-volume annotation delivery for model training pipelines. Recognized for quality assurance, detailed defect analysis, feedback-driven model improvements, and collaboration with data science/ML teams. Broad domain experience spans agri-tech, precision agriculture, computer vision for crop health, and linguistic evaluation—setting you apart as a subject matter expert in AI data preparation and multilingual NLP.

Labeling Experience

Education

Work History