Hi there,
my name is John Fiewor and I'm a Full-Stack Web Developer.
I have a Master's degree in Computer Science and skills in web development, artificial intelligence and cloud technologies. I build software solutions using MERN-Stack (and other tools as necessary). I'm also certified in Azure AI and Google Cloud Platform fundamentals.
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AchievementDetails
UNDP & FSD Africa Innovation Challenge Winner (2025)
Selected as one of three winners of the UNDP Nigeria and FSD Africa Innovation Challenge for GradrAI, an AI-powered platform that automates the grading of paper-based examinations for higher-education institutions.
Google Gemini #BuildWithAI Hackathon – 3rd Place Winner
Led the rapid development of the initial MVP for GradrAI using Google Gemini during the national #BuildWithAI Hackathon. Built the entire frontend in under four hours and implemented the AI-driven backend, securing 3rd place.
MongoDB World Hackathon – 2nd Place Winner
Co-developed 'Good News', a web application that surfaces positive news stories globally using the GDELT dataset. The project placed 2nd out of 600+ international participants.
Open Source Contributor & Demo Day Speaker @ IBM Call for Code for Racial Justice
Contributor to IBM’s Call for Code for Racial Justice open-source initiatives, with a focus on internationalization (i18n) and accessibility (a11y) for the Truth Loop project. Also served as a Demo Day speaker during Hacktoberfest.
RoleCompany | TimelineDescription
Founder & Lead Engineer
GradrAI | 11.2023 - Present
Founded and built GradrAI, an end-to-end AI-powered platform for automating the grading of paper-based tests and examinations. Architected the full system from OCR-based pipelines to an LLM-driven grading engine using Google Gemini on Vertex AI. Currently evolving the platform into an agentic, multi-agent grading system with autonomous planning, validation, aggregation, and feedback generation.
Full-Stack Developer
VerifyEd | 02.2025 - Present
Worked on client and admin dashboards for a blockchain-based digital credentialing platform. Implemented features such as landscape-optimized certificate downloads and one-click LinkedIn sharing, improved SSR for better SEO and link previews, and designed scripts to recover unused XRP from dormant wallets, saving the company over $1,000.
Full-Stack Developer
Consolidated Hallmark Insurance | 01.2023 - 06.2025
Contributed to the development of a unified internal API automating core insurance workflows. Played a key role in insourcing the travel insurance portal, streamlining the purchase journey from seven steps to three, and implementing complex workflows such as group purchases, bulk policy issuance, and Buy Now, Pay Later (BNPL) functionality.
Junior Frontend Developer
HelloHub | 02.2022 - 10.2022
Improved mobile responsiveness of the admin dashboard by translating Figma designs into production-ready React components. Wrote test-driven frontend code, refactored components to TypeScript, and gained hands-on experience with component-driven development and clean architecture practices.
Frontend Web Development Intern
Zuri | 03.2021 - 07.2021
Developed a lease management web application while collaborating in an Agile team environment. Worked with HTML, CSS, and Gulp, and gained foundational experience in professional software development workflows.
CertificateIssuerYear
Machine Learning Specialization
DeepLearning.AI & Stanford University
2024 - Present
Microsoft Certified: Azure AI Engineer Associate
Microsoft
2021 - 2024
Microsoft Azure Fundamentals
Microsoft
2023 - Present
Google Cloud Platform Fundamentals: Core Infrastructure
Google Cloud
2021 - Present
IBM Carbon Design System Developer Essentials (React)
IBM
2021 - Present
freeCodeCamp Responsive Web Design
freeCodeCamp
2020 - Present