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Austin Leo

Austin Leo

AI Data Annotator | Data Labeling & Content Analysis

NIGERIA flag
Lagos, Nigeria
$15.00/hrEntry LevelMercorAppen

Key Skills

Software

MercorMercor
AppenAppen

Top Subject Matter

Healthcare
Finance
E - commerce

Top Data Types

TextText
ImageImage
DocumentDocument

Top Label Types

Data Collection
Classification
Text Generation
Text Summarization
Question Answering

Freelancer Overview

I am an entry-level full-stack developer with strong hands-on experience in building, testing, and debugging MERN applications. My technical background has given me a keen eye for detail and a deep understanding of data structures, API development, and authentication flows, which are essential for high-quality data labeling and annotation tasks. I have worked extensively with JavaScript, Node.js, Express, MongoDB, and React, and have implemented automated backend testing using Jest and Supertest to ensure data integrity and reliability. My experience managing real-time communication apps and recipe management systems has strengthened my ability to handle structured and unstructured data, validate data flows, and maintain data accuracy. I am passionate about collaborating in fast-paced environments and contributing to the development of reliable AI training datasets through meticulous data preparation, validation, and documentation.

Entry LevelEnglish

Labeling Experience

No Data Labeling experience added

Austin L. hasn’t added any AI Training or Data Labeling experience to their OpenTrain profile yet.

Education

U

University of Benin

Postgraduate Diploma, Production Engineering

Postgraduate Diploma
2015 - 2015
U

University of Benin

PGD Production Engineering, Production Engineering

PGD Production Engineering
2012 - 2014

Work History

S

Skylight Engineering

Facility Manager

Dubai
2018 - 2022
S

Skylight Engineering

Facility Manager

Dubai
2018 - 2022