Chinedu Nnadozie
@chinedunnadozie
I build secure, scalable backend systems for AI, fintech, and interactive learning products.
NigeriaWhat I'm looking for
I've built the backend for SmartifyPDF, an AI-powered platform that turns PDFs into interactive quizzes. Using Node.js, NestJS, PostgreSQL, Prisma, and Gemini API, I improved API response time by 55% and helped increase user engagement by 35%.
At Tikelt, I engineered payment infrastructure for card management, subscriptions, and real-time webhooks through Flutterwave. I also developed microservices and the Circles savings feature, supporting 99.9% uptime and increasing engagement by 45%.
I've also built contest-management APIs at ZeeContest and created products including LearnQube and an eCommerce platform. My work focuses on secure authentication, scalable APIs, payments, and reliable data-driven user experiences.
Experience
Work history, roles, and key accomplishments
Backend Developer
SmartifyPDF
Jun 2025 - Present (1 year 3 months)
Designed and developed the backend for an AI-powered PDF-to-quiz platform using Node.js, NestJS, PostgreSQL, Prisma, and Gemini API. Improved API response time by 55% and boosted user engagement by 35%.
Backend Developer
TIKELT
May 2025 - Aug 2025 (3 months)
Engineered a secure payment infrastructure using Node.js, NestJS, and Flutterwave, improving transaction success rates by 60%. Designed the Circles feature for group savings, increasing user engagement by 45%.
Backend Developer
Zeecontest
May 2023 - Aug 2024 (1 year 3 months)
Built and maintained the backend for a contest management platform using Node.js, Express.js, and PostgreSQL. Developed APIs for roles management and contest creation, increasing platform efficiency by 45%.
Education
Degrees, certifications, and relevant coursework
University of Nigeria Nsukka
Bachelor of Engineering, Electronic and Computer Engineering
2019 - 2024
Grade: 4.25/5.00 (Second Class Upper)
Bachelor of Engineering in Electronic and Computer Engineering with a CGPA of 4.25/5.00 (Second Class Upper).
Availability
Location
NigeriaAuthorized to work in
Salary expectations
Job categories
Skills
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