Fintech & Digital Payments
Airplug Pay
A digital utility payment and fintech platform that enables users to purchase mobile data and airtime, pay electricity bills, renew cable subscriptions, manage wallet transactions, and earn through referrals.
Full-Stack Software Engineer · Product Builder · Nigeria
Full-Stack Software Engineer & Product Builder — Designing and engineering high-impact fintech, e-commerce, POS, and web platforms.

I'm Abubakar Ibrahim, a software engineer and product builder focused on building scalable web applications, mobile products, fintech platforms and AI-powered solutions.
About Abubakar Ibrahim (mrcode)
Known online as mrcode (@mrcode_ai), I am a full-stack freelance software engineer and startup founder based in Gombe, Nigeria, turning ideas into reliable, scalable digital businesses.
My engineering expertise spans full-stack web applications, Laravel backend systems, React.js frontends, Flutter mobile apps, RESTful APIs, relational databases, and cloud infrastructure. I focus on building robust software that stands up to heavy production traffic.
Over the years, I have worked with startups, businesses, and founders to ship high-impact products across fintech & utility payment services, e-commerce stores, POS & inventory management systems, corporate platforms, and digital media publications.
I am the founder of Aqtris Technologies and creator of Airplug Pay, while actively collaborating with international and Nigerian clients as a freelance developer to architect custom web and mobile software.
Full-Stack Engineer
I specialize in building scalable web applications end to end. Beyond the web, I also ship mobile apps and build AI-powered product features.
Laravel · PHP · REST APIs · MySQL · PostgreSQL
I build secure, scalable backend systems with Laravel — from authentication and business logic to APIs, databases and cloud deployment.
React · TypeScript · JavaScript · Tailwind CSS
I craft fast, accessible web interfaces with React, turning complex product requirements into clean, maintainable user experiences.
Flutter · Dart · Cross-platform apps
I ship cross-platform mobile applications that feel native, connecting clean UIs to reliable backend services.
LLM APIs · AI-powered features · Automation
I integrate AI and machine learning into real products — intelligent APIs, automation workflows and features that make software smarter.
Featured Work
A selection of real-world digital products and platforms I have designed and developed across fintech, e-commerce, media, business management, and POS systems.
Showing 7 projects
Fintech & Digital Payments
A digital utility payment and fintech platform that enables users to purchase mobile data and airtime, pay electricity bills, renew cable subscriptions, manage wallet transactions, and earn through referrals.
E-Commerce & Beauty Technology
A professional e-commerce platform built for a natural skincare brand, providing an intuitive online shopping experience to explore products, view ingredients, and connect with the brand.
Fintech, VTU & E-Commerce
A multi-service digital platform combining VTU telecom top-ups with an online marketplace experience for digital and physical products.
Digital Services & VTU Platform
A digital service platform developed to provide users with convenient access to data bundles, airtime, and other digital utility services through a modern web experience.
Corporate Website & Business Management
A professional business platform developed to establish a strong digital presence, present diverse business services, and improve brand credibility for a growing organization.
POS & Inventory Management
A digital Point of Sale and inventory management system developed for Jeryn Enterprises to help manage products, sales, stock, and business operations more efficiently.
News & Digital Media Platform
A digital news and media platform developed to provide a structured and modern online publishing experience for articles, reports, and breaking journalism.
What I Build
Each of these is a product surface I've built end to end — from data model and API to the interface people actually touch.
Modern, scalable web applications with robust frontend, backend, APIs and databases.
Cross-platform mobile applications built with Flutter and modern backend infrastructure.
Customer dashboards, transaction systems, wallets, payment integrations, business platforms and SaaS products.
AI assistants, automation systems, RAG-powered applications, intelligent APIs and AI-enabled product features.
Tools I Work With
Journey
Started by building web applications and internal tools, working across frontend interfaces, backend services, APIs and databases.
Worked with startups, teams and businesses to ship products across e-commerce, SaaS, media and business automation.
Moved from writing features to shaping products: digital financial and telecom services covering airtime, data, wallets and transactions.
Building a technology company focused on digital products and software solutions for businesses and consumers.
Testimonials
“Abubakar delivers clean, high-performance software with strong architectural design and attention to user experience.”
Collaborator
Product Partner · Fintech & Telecom
Placeholder testimonials — edit src/data/site.ts to add verified quotes.
Teams & businesses I've worked with
Let's turn it into a reliable, scalable, and high-performance digital product.
Direct Contact
Have a project, startup idea, or technical role in mind? Reach out directly on WhatsApp, email, or send an inquiry below.
Direct WhatsApp & Call
+2348037858023
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