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O
Oluwapelumi O.

Oluwapelumi O.

Full-Stack Software Engineer | React, TypeScript, Python, AI & Web Apps

Nigeria flagLagos, Nigeria

Key Skills

Software

No software listed

Top Subject Matter

Full-Stack Web Development (React
TypeScript
Node.js
FastAPI
PostgreSQL)

Top Data Types

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Top Task Types

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Freelancer Overview

While I do not have extensive traditional data-labeling experience, I have significant hands-on experience building and evaluating AI-powered applications. I developed products that integrate large language models through services such as AWS Bedrock and Amazon Nova, where I was responsible for designing prompts, validating model outputs, handling edge cases, and ensuring responses met functional and quality requirements. This work required systematic evaluation of AI-generated content, identifying failure modes, and refining workflows to improve reliability and user experience. Additionally, I have built AI-assisted platforms involving content generation, educational tutoring, and study workflows, where I designed structured pipelines for processing, reviewing, and persisting AI outputs. These experiences have given me a strong understanding of AI evaluation, quality assurance, and human-in-the-loop systems, as well as the attention to detail needed for data annotation and AI testing projects.

Education

A

Aptech Alagbole — Advanced Diploma in Software Engineering — Sep 2023 to Jan 2025.

Degree not specified

Not specified
Not specified

Work History

C

Company not specified

QuizGameApp — Full-Stack / Mobile Developer (May 2026 – Current).

Location not specified
2026 - Present