You will get ull Stack Developer | Full Stack | Fullstack API Development & Integration
Project details
I will develop a complete JavaScript-based web application using ReactJS, NodeJS, and TypeScript. The project will include backend API creation, frontend interface, third-party API integration, and deployment. You’ll get a responsive, scalable solution with clean, maintainable code and proper documentation.
Programming Languages
HTML & CSS, JavaScript, PythonCoding Expertise
Cross Browser & Device Compatibility, Localization, Performance OptimizationWhat's included
| Service Tiers |
Starter
$150
|
Standard
$450
|
Advanced
$1,200
|
|---|---|---|---|
| Delivery Time | 10 days | 20 days | 20 days |
Number of Revisions | 0 | 0 | 0 |
Number of Pages | 1 | 5 | 10 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code | - | - | - |
Frequently asked questions
About Samuel
Full-Stack Developer | React, Next.js, Node.js, JavaScript |Mobile App
Ijebu Ode, Nigeria - 10:03 am local time
I specialize in Full-Stack JavaScript Development, building responsive websites, booking systems, dashboards, and mobile apps with React.js, Next.js, Node.js, and TypeScript. I focus on clean code, responsive design, smooth UX, and seamless backend integration, ensuring your project runs perfectly on all devices.
🎯 Hit the "𝕀𝕟𝕧𝕚𝕥𝕖 𝕥𝕠 𝕁𝕠𝕓" or "𝕄𝕖𝕤𝕤𝕒𝕘𝕖" 𝕓𝕦𝕥𝕥𝕠𝕟 to 𝔹𝕠𝕠𝕜 𝕒 𝕗𝕣𝕖𝕖 𝕔𝕠𝕟𝕤𝕦𝕝𝕥𝕒𝕥𝕚𝕠𝕟." Let’s discuss your project and see how I can bring your idea to life!
I help service businesses and startups build fast, responsive, and user-friendly web & mobile apps using React, Next.js, Node.js, Express, and MongoDB, delivered on time and with professional quality. I also work with Bubble.io, AI API Integration, and SaaS App Development to bring your custom ideas to life without unnecessary complexity.
Most clients don’t come to me first.
They come after things go wrong:
The “cheap Bubble.io or Adalo developer” disappeared halfway through.
The app looks fine but crashes or loads endlessly.
API integrations, Stripe payments, or OpenAI API setups stop working.
React states get messy, every feature breaks another.
Next.js apps throw hydration errors after deployment.
Node.js servers lag under load, and backend debugging becomes chaos.
TypeScript types mismatch and projects fail to compile.
React Native apps crash on iOS but look fine on Android.
Frontend isn’t responsive, beautiful on desktop, broken on mobile.
Database design lacks structure, slow queries, insecure data, and no scaling plan.
AI chatbots or automation workflows don’t respond as expected.
That’s where I step in, fixing, rebuilding, and scaling apps the right way.
𝗚𝘂𝗮𝗿𝗮𝗻𝘁𝗲𝗲𝗱:
Clean, secure, and scalable AI-driven Web & Mobile Apps, built with
React, Next.js, Node.js, TypeScript, React Native, Firebase, Express, and modern JavaScript.
Whether it’s API Integration, Automation, SaaS Development, Webflow, Wix, WordPress, or Bubble.io,
I help founders launch high-performing AI software, custom dashboards, and full-stack applications that actually work.
𝐓𝐞𝐬𝐭𝐢𝐦𝐨𝐧𝐢𝐚𝐥𝐬:
⭐⭐⭐⭐⭐“Working with Onasanya was fantastic! He built a fast, responsive AI-powered web and mobile app with seamless booking system integration. Clear communication and top-notch Full Stack Development using React, Next.js, and Node.js.”
⭐⭐⭐⭐⭐“Onasanya is a skilled and reliable Full Stack Developer who delivered a smooth, user-friendly website and mobile app with API and booking integration. Highly professional in AI Development, React, and Next.js.”
💼 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 𝐈 𝐎𝐟𝐟𝐞𝐫:
✅ Full-Stack JavaScript Development using React, Next.js, Node.js, TypeScript, and ExpressJS
✅ Responsive Web & Mobile App Development with React Native, Flutter, or PWA
✅ Booking Systems & Payment Integrations (Fresha, Vagaro, Booksy, Acuity, Stripe, PayPal API Integration)
✅ AI & Automation Integration using OpenAI API, AI Chatbots, and AI Software Development
✅ UI/UX Design & Optimization with Figma, Tailwind CSS, ShadCN, and Bootstrap
✅ Admin Dashboards, CRM Systems, and API Development (REST APIs, Firebase, Supabase, Airtable, MySQL, MongoDB)
✅ Speed Optimization, On-Page SEO, and Web Performance Enhancements
✅ No-Code & Low-Code App Solutions using Bubble.io, Adalo, and Make.com
⚙️ 𝐖𝐡𝐚𝐭 𝐘𝐨𝐮 𝐂𝐚𝐧 𝐄𝐱𝐩𝐞𝐜𝐭 𝐖𝐡𝐞𝐧 𝐖𝐨𝐫𝐤𝐢𝐧𝐠 𝐖𝐢𝐭𝐡 𝐌𝐞:
✅ Clear communication and regular progress updates
✅ Clean, maintainable, and scalable code architecture across frontend and backend
✅ Fast-loading, responsive websites and AI web applications
✅ Seamless booking, automation, and payment workflows for your business
✅ Post-launch support and guidance for easy app management
✅ Expertise in Web App Development, Mobile App Development, API Integration, and SaaS MVP Development
looking for a reliable Full-Stack JavaScript Developer who delivers high-quality, scalable solutions.
🎯 Hit the “𝕀𝕟𝕧𝕚𝕥𝕖 𝕥𝕠 𝕁𝕠𝕓” or “𝕄𝕖𝕤𝕤𝕒𝕘𝕖" 𝕓𝕦𝕥𝕥𝕠𝕟. let’s chat! I treat every project like my own business, ensuring your success.
Full Stack Developer | JavaScript | React | Next.js | Node.js | React Native | TypeScript | Frontend Development | Backend Development | Full Stack Web Development | API Integration | RESTful API | ExpressJS | MongoDB | PostgreSQL | GraphQL | HTML5 | CSS3 | SCSS | Bootstrap | Tailwind CSS | Responsive Website | UI/UX Design | Mobile App Development | Cross Platform Apps | Expo | Angular | AngularJS | Vue.js | Laravel | NestJS | AI App Development | Web App Development | Booking System | Dashboard | Automation | Speed Optimization | On-page SEO | Git | Cypress Testing | HTML Canvas | ECMAScript 6 | Web Development | Clean Code | SaaS Development | Full Stack Developer | React | Next.js | Node.js | JavaScript | TypeScript | Mobile App | API Integration
Steps for completing your project
After purchasing the project, send requirements so Samuel can start the project.
Delivery time starts when Samuel receives requirements from you.
Samuel works on your project following the steps below.
Revisions may occur after the delivery date.
Discovery:
Understand the client’s goals, data flow, and required endpoints.
Architecture Planning:
Outline backend structure, database schema, and API routes.