Full Stack Web Developer & Cybersecurity Specialist
I build secure, practical web apps and Flutter mobile apps, from payment-ready business systems to WordPress sites that rank. I care about clean code, solid security, and software that solves real problems.
- 🔭 Currently building web apps and APIs with PHP, Laravel, Python, FastAPI and Node.js
- 🔐 Focused on secure development and protecting user data
- 📱 Building cross-platform mobile apps with Flutter and Dart
- 📈 I help businesses get found online with SEO and WordPress
- 💼 Open to freelance work and full-time roles
Hotel and guest house management: rooms and availability, guest bookings, check-in/out and a billing total in Naira.
Flutter Dart Hotel Management Booking
Pharmacy inventory: medicine CRUD and search, near-expiry alerts, low-stock flags and a sales record.
Flutter Dart Pharmacy Inventory
Interstate transport booking: routes and motor parks, interactive seat selection, passenger booking and a Paystack test-mode checkout placeholder.
Flutter Dart Transport Booking Paystack
Microfinance loans: customers, loan approval, a repayment schedule, guarantor records and outstanding balances.
Flutter Dart Microfinance Loans Fintech
Restaurant ordering: menu by category, cart, table and QR orders, a kitchen status board and a payment placeholder.
Flutter Dart Restaurant Food Ordering
Rent management for landlords and agents: properties, tenants, rent-due reminders and 10% agent fees. Distinct from HomeFinder listings.
Flutter Dart Real Estate Rent Management
Salon and barbershop booking: services, stylist selection, booking slots, a deposit payment placeholder and reminders.
Flutter Dart Salon Booking Beauty
School management with admin, teacher and parent roles: students, fee balances and payments, results with automatic grades, attendance and announcements.
Flutter Dart Education School Management
Point of sale for shops: fast checkout, stock with low-stock alerts, receipts, a barcode placeholder and daily sales reports in Naira.
Flutter Dart POS Inventory
Clinic management: patient records, an appointment queue, pharmacy stock with low alerts, and billing for consultation, drugs and labs.
Flutter Dart Healthcare Clinic
Church management: member directory, offerings and tithes records, service attendance, fellowship groups, events and announcements.
Flutter Dart Church Management
Logistics company app: parcel creation, a five-step tracking timeline, a rider delivery view, proof-of-delivery placeholder and company dashboard stats.
Flutter Dart Logistics Fleet
Ajo and esusu savings: savings groups, contribution rotation and payout order, member contribution history and a personal wallet.
Flutter Dart Esusu Fintech
E-learning with local courses and lessons, quizzes with instant scoring, per-course progress and a certificate placeholder.
Flutter Dart E-Learning Education
A three-sided food delivery app with customer, rider and kitchen views, a Paystack checkout mock, simulated live rider tracking on a map, and an Express REST API for the order lifecycle.
Flutter Dart Node.js Express Paystack
A digital wallet with card funding, bank transfers with NUBAN validation and daily limits, airtime and data top-ups, transaction history, PIN lockout and biometric login, all in kobo-accurate Naira.
Flutter Dart Fintech Provider
Appointment booking for salons and clinics: calendar strip, clash-free time slots per staff member, 30% Paystack deposit mock, automatic reminders and a web admin dashboard with revenue and utilisation stats.
Flutter Dart JavaScript Scheduling
A customer-support chatbot that answers from your own FAQ knowledge base, with any OpenAI-compatible LLM or a fully offline TF-IDF fallback, chat history and a web chat UI.
Python FastAPI LLM RAG pytest
Property listings for Lagos and Abuja with search filters, sorting, a map view with price pins, favourites, a details gallery and agent chat.
Flutter Dart Maps Real Estate
A Material 3 Flutter app for tracking deliveries across Nigerian cities, with search by tracking number, status filters, a live progress bar, an event timeline, and light and dark themes.
Flutter Dart Material 3 Mobile
A privacy-first command-line tool that scores password strength, checks passwords against known breaches through Have I Been Pwned using k-anonymity, and generates secure passwords and passphrases.
Python Cybersecurity CLI pytest
A framework-free PHP 8 and MySQL REST API with JWT login, admin and staff roles, product search and pagination, low-stock reports, and stock-safe order transactions, documented with OpenAPI.
PHP MySQL REST API JWT Docker
A complete car rental platform built in PHP and MySQL, with online payments through Flutterwave. Customers can browse cars, book rentals, and pay securely online.
PHP MySQL Flutterwave API Payments
A Material 3 Flutter app for tracking spending and income in Naira, with categories, monthly budget progress, pie and bar charts, local storage, and light and dark themes.
Flutter Dart fl_chart Material 3
A command-line tool that analyses SSH auth logs and Apache/Nginx access logs for brute force attacks, scanners, SQL injection, XSS, path traversal and Log4Shell, with terminal, JSON, CSV and HTML reports.
Python Cybersecurity Log Analysis CLI
A lightweight WordPress SEO plugin with per-post meta titles and descriptions, Open Graph and Twitter tags, JSON-LD schema, an XML sitemap and canonical URLs, built to WordPress Coding Standards.
WordPress PHP SEO PHPUnit
A REST API for projects and tasks with JWT authentication, filters, sorting, pagination, due dates and priorities, built with FastAPI, SQLAlchemy 2, Pydantic v2 and Alembic migrations.
Python FastAPI SQLAlchemy JWT REST API
My personal portfolio site, built with plain HTML, CSS and JavaScript, with a dark/light theme, project filters and accessible, SEO-friendly markup. It is live on GitHub Pages.
HTML CSS JavaScript GitHub Pages
A Laravel 13 REST API for schools, with Sanctum authentication, admin, teacher and student roles, classes and subjects, bulk results entry, automatic grading and report cards with class positions.
Laravel PHP Sanctum REST API PHPUnit
A clean PHP 8 Paystack integration with transaction initialize and verify, HMAC-SHA512 webhook verification, amount checks, idempotent order updates and a demo checkout page with CSRF protection.
PHP Paystack Payments Webhooks PHPUnit
A Material 3 Flutter shopping app with a product catalogue, search and categories, cart and coupons, Naira pricing, and a checkout flow with Nigerian address validation and Paystack, Flutterwave or pay-on-delivery options.
Flutter Dart Provider E-commerce
A modern Flutter chat app with real-time streams, typing indicators, read receipts, search and dark mode, built on a repository layer that is ready for Firebase Cloud Firestore.
Flutter Dart Firebase-ready Chat
A transparent, consent-based parental-controls app with a parent dashboard, daily and per-category screen-time limits, app blocking, location sharing with consent, bedtime downtime and fl_chart reports. Monitoring data is simulated, with no stealth mode by design.
Flutter Dart Provider fl_chart
A responsive React and Vite admin dashboard with revenue and order charts, sortable and searchable data tables, CSV export and a dark mode, using Naira sales data.
React Vite Recharts Dashboard
A secure Express 5 authentication API with JWT access tokens, rotating refresh tokens with reuse detection, bcrypt password hashing, roles, input validation and rate limiting.
Node.js Express JWT Security Jest
Ranks PDF and text resumes against a job description using TF-IDF similarity and skill matching, with a command-line tool and a FastAPI endpoint for recruiters.
Python FastAPI NLP scikit-learn
A Telegram bot built with python-telegram-bot, with scheduled reminders, Naira exchange rates and currency conversion, and an FAQ auto-responder for small businesses.
Python Telegram Bot Automation
A polite, reusable scraping framework with retries, rate limiting and robots.txt support that exports clean data to CSV, Excel and JSON.
Python BeautifulSoup Web Scraping Automation
A defensive security scanner for sites you own that checks open ports, security headers, cookie flags, CORS and TLS, and produces a graded HTML or JSON report.
Python Cybersecurity Security Headers TLS
Crawls a website and runs 18 on-page SEO checks plus broken-link detection, then produces scored HTML, JSON and CSV reports with clear fixes.
Python SEO Crawler Reports
- 💼 LinkedIn: joseph-obaje
- 📧 Email: josephobaje264@gmail.com
- 🌐 Portfolio: josephobaje.github.io/developer-portfolio