For employers

Hire this AI Trainer

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

Invite to Job
Pascal Mbagwu

Pascal Mbagwu

Frontend Developer | Data-Focused Contributor (Data Annotation & QA)

NIGERIA flag
Lagos, Nigeria
$20.00/hrIntermediateDon T Disclose

Key Skills

Software

Don't disclose

Top Subject Matter

Web Application Data Quality
Inventory/Product Data Management
Legal Services & Contract Review

Top Data Types

TextText
ImageImage
DocumentDocument

Top Task Types

Classification
Question Answering
Text Generation
Evaluation Rating
Computer Programming Coding

Freelancer Overview

Frontend Developer | Data-Focused Contributor (Data Annotation & QA). Brings 6+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Internal and Proprietary Tooling. Education includes Bachelor of Science, African Institute of Science Administration & Commercial Studies (2024) and Advanced Diploma, Aptech (2020). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Classification.

IntermediateEnglish

Labeling Experience

Frontend Developer | Data-Focused Contributor (Data Annotation & QA)

Text
As a Data-Focused Contributor, I processed and structured large datasets to improve UI data accuracy and system outcomes. I conducted manual data reviews and validated structured and unstructured datasets for correctness. My work included identifying inconsistencies, implementing validation logic, and annotating content outputs. • Improved data quality by correcting user-generated inconsistencies • Manually reviewed application outputs for accuracy • Collaborated on testing content accuracy in production • Applied validation rules for data labeling activities

As a Data-Focused Contributor, I processed and structured large datasets to improve UI data accuracy and system outcomes. I conducted manual data reviews and validated structured and unstructured datasets for correctness. My work included identifying inconsistencies, implementing validation logic, and annotating content outputs. • Improved data quality by correcting user-generated inconsistencies • Manually reviewed application outputs for accuracy • Collaborated on testing content accuracy in production • Applied validation rules for data labeling activities

2022 - Present

Team Lead | Inventory Data Annotation & Classification

TextClassification
As Team Lead, I structured and categorized large product data sets for an inventory system using data validation workflows. I led efforts to annotate and classify product records for efficient retrieval and QA. My tasks involved continuous data checks and categorization to enhance data accuracy. • Reduced duplicates by designing validation workflows • Annotated and classified inventory product records • Performed data consistency checks across system modules • Led quality assurance for labeled product datasets

As Team Lead, I structured and categorized large product data sets for an inventory system using data validation workflows. I led efforts to annotate and classify product records for efficient retrieval and QA. My tasks involved continuous data checks and categorization to enhance data accuracy. • Reduced duplicates by designing validation workflows • Annotated and classified inventory product records • Performed data consistency checks across system modules • Led quality assurance for labeled product datasets

2023 - 2024

Education

A

African Institute of Science Administration & Commercial Studies

Bachelor of Science, Computer Science

Bachelor of Science
2021 - 2024
A

Aptech

Advanced Diploma, Software Engineering

Advanced Diploma
2019 - 2020

Work History

D

Devops Easy Learning

DevOps Engineer

Lagos
2025 - Present
A

Abinbev

Frontend Developer

Lagos
2022 - 2026