Oyinlayefa Atani

Key Skills

Software

CVAT

Supervisely

Roboflow

Clickworker

Appen

HiveMind

OneForma

Telus

Top Subject Matter

General Image Annotation

Natural Language Processing

Audio Data Labeling

Top Data Types

Image

Text

Audio

Top Task Types

Segmentation

Entity (NER) Classification

Transcription

Bounding Box

Classification

Object Detection

Text Generation

Question Answering

Text Summarization

Fine-tuning

Polygon

Freelancer Overview

I have over two years of experience as a Freelance Data Annotator, working across diverse workflows with a strong focus on accuracy and quality. My expertise includes using industry‑standard tools such as CVAT to deliver reliable datasets for complex projects. My background covers a wide range of data types from image, text, and audio, with hands on practice in labeling workflows such as segmentation, entity classification, and transcription. This combination of technical skills and attention to detail enables me to consistently produce structured, high quality training data that supports research and development goals.

Labeling Experience

Freelance Data Annotator – Audio Transcription

RoboflowAudioTranscription

As part of my data annotation responsibilities, I labeled and transcribed audio data for project needs. My work contributed to structured, machine-readable audio datasets for model training and evaluation. I ensured consistency and clarity in all labeled audio segments. • Transcribed audio recordings into accurate text • Checked for quality and precision in finalized labels • Utilized annotation platforms for efficient workflow • Managed multiple global projects with high reliability

As part of my data annotation responsibilities, I labeled and transcribed audio data for project needs. My work contributed to structured, machine-readable audio datasets for model training and evaluation. I ensured consistency and clarity in all labeled audio segments. • Transcribed audio recordings into accurate text • Checked for quality and precision in finalized labels • Utilized annotation platforms for efficient workflow • Managed multiple global projects with high reliability

2024 - Present

Freelance Data Annotator – NLP Text Labeling

SuperviselyTextEntity Ner Classification

In this freelance role, I delivered labeled datasets for NLP tasks focusing on sentiment analysis and entity recognition. I accurately annotated text data to enhance natural language understanding models. My attention to detail ensured high-quality data for further AI model development. • Conducted sentiment annotation and named-entity recognition • Applied client-defined taxonomies for consistent results • Used annotation software to label and review datasets • Delivered labeled text data on project deadlines

In this freelance role, I delivered labeled datasets for NLP tasks focusing on sentiment analysis and entity recognition. I accurately annotated text data to enhance natural language understanding models. My attention to detail ensured high-quality data for further AI model development. • Conducted sentiment annotation and named-entity recognition • Applied client-defined taxonomies for consistent results • Used annotation software to label and review datasets • Delivered labeled text data on project deadlines

2024 - Present

Freelance Data Annotator – Image Editing

CVATImageSegmentation

As a freelance data annotator, I executed object removal, replacement, and attribute modifications on image datasets for global clients. I prepared and delivered precise in/out painting edits according to unique project requirements. My work ensured datasets were cleanly annotated to support machine learning project goals. • Performed object removal, replacement, and attribute editing tasks • Used strict quality control measures for dataset preparation • Completed segmentation edits using industry-standard annotation tools • Maintained consistency and timely project delivery

As a freelance data annotator, I executed object removal, replacement, and attribute modifications on image datasets for global clients. I prepared and delivered precise in/out painting edits according to unique project requirements. My work ensured datasets were cleanly annotated to support machine learning project goals. • Performed object removal, replacement, and attribute editing tasks • Used strict quality control measures for dataset preparation • Completed segmentation edits using industry-standard annotation tools • Maintained consistency and timely project delivery

2024 - Present

Education

Work History