Mobile Apps
Cross-platform Flutter apps for Android & iOS — delivery, fintech, booking, chat, e-commerce and more, from one codebase.
- Android & iOS
- APK / Play Store ready
Available for freelance work · Nigeria · Remote worldwide
Hi, I’m Joseph Obaje.
I build apps people love to use.
Flutter & full-stack developer crafting cross-platform mobile apps, fast web experiences, secure APIs and payment integrations — from first idea to a product you can launch.
- 24
- Projects built
- 16+
- Open-source repos
- 7
- Core technologies
- 3
- Platforms: Android · iOS · Web
FlutterPHP · LaravelPython · APIs
Flutter✦Dart✦PHP / Laravel✦Python✦Node.js✦React✦WordPress✦Paystack✦Cybersecurity✦REST APIs✦Flutter✦Dart✦PHP / Laravel✦Python✦Node.js✦React✦WordPress✦Paystack✦Cybersecurity✦REST APIs✦
About
Turning ideas into clean, reliable software
I’m a developer who enjoys turning ideas into clean, reliable software, from Flutter mobile apps to Laravel and Node.js backends, Python automation and security tools. I care about performance, security and code that’s easy to maintain.
Whether you need a customer app, a booking system, a wallet, or a website that brings in work — I build it end-to-end and hand over documented, testable code you actually own.
See what I’ve built →- EducationHigher National Diploma (HND) in Computer Science — Nigerian Institute of Leather and Science Technology, Zaria
- LanguagesEnglish, Hausa, Idoma, Igala
- LocationNigeria · available remotely worldwide
- FocusFlutter apps · Web apps · APIs · Security & SEO
Services
What I can build for you
Web Development
Websites, dashboards and web apps with React, Laravel or WordPress — fast, responsive and SEO-friendly.
- Business sites & dashboards
- WordPress & SEO
APIs, Payments & Automation
REST APIs, authentication, Paystack payments, Python bots & AI tools, plus security checks and hardening.
- Paystack integration
- Python · Security · AI
Portfolio
Featured projects
24 real, open-source builds. Tap any card to view the code on GitHub.
Flutter · Education
School Management App
Admin, teacher and parent views with fees, results, attendance and notices.
View source
Flutter · Retail
POS and Inventory App
Shop checkout, stock alerts, receipts and daily sales reports.
View source
Flutter · Health
Clinic Management App
Patients, appointment queue, pharmacy stock and billing.
View source
Flutter · Church
Church Management App
Members, offerings and tithes, attendance, groups and events.
View source
Flutter · Logistics
Logistics Tracking App
Parcels, tracking timeline, rider view and delivery proof.
View source
Flutter · Fintech
Ajo Esusu Savings App
Savings groups, payout rotation, member history and wallet.
View source
Flutter · Education
E-Learning App
Local courses, lessons, quizzes, progress and certificates.
View sourceFlutter · Node.js
Food Delivery App
Customer, rider and kitchen views with live tracking and Paystack checkout.
View source
Flutter · Fintech
Fintech Wallet App
Wallet funding, transfers, airtime and data with PIN and biometric login.
View source
Flutter · JavaScript
Booking and Appointment App
Salon and clinic bookings with smart slots, reminders and an admin dashboard.
View source
Python · AI
AI Chatbot Assistant
FastAPI chatbot that answers from your FAQ, with any LLM or offline.
View source
Flutter · Maps
Real Estate App
Property listings with filters, map view, favourites and agent chat.
View source
Flutter · Dart
Family Safety App
Transparent, consent-based family safety app built with Flutter.
View source
React · JavaScript
React Admin Dashboard
Responsive admin dashboard with charts and tables.
View source
PHP · Paystack
Paystack Payment Integration
PHP checkout and payment verification with Paystack.
View source
Toolbox
Skills & technologies
- Flutter / Dart
- PHP / Laravel
- Python
- Node.js / Express
- React
- JavaScript
- WordPress / SEO
- Paystack Payments
- REST APIs
- MySQL
- Git & GitHub
- Cybersecurity
Why hire me
Built properly, handed over cleanly
Tested, documented code
My public projects ship with READMEs, tests and clear structure — so you can verify the quality before you hire me.
You own everything
Open, MIT-licensed work on GitHub. No lock-in: your code, your accounts, your product.
Security-minded
A cybersecurity background means authentication, payments and user data are handled with care from day one.
End-to-end delivery
App, backend, payments and launch assets handled in one place — fewer hand-offs, faster launch.
- 01DiscoverWe clarify goals, users and must-haves.
- 02BuildDesign + code, with progress you can see.
- 03TestChecks, fixes and polish on real devices.
- 04LaunchDeploy, document and hand over.
Let’s work together
Have a project in mind?
Let’s build it.
Tell me what you want to build — an app, a website, or an API — and I’ll reply with honest next steps.