You will get Senior Node.js Backend API Integration for Mobile App Development | Flutter
Project details
Looking for Senior Mobile App Development or Expert Mobile App Development with powerful Node.js backend jobs and cron automation? I build scalable backend systems supporting Mobile App Development, Flutter, Android App Development, iOS Development, and Hybrid App Development for modern Mobile Apps on Android, iOS, Smartphone, and iPhone Apps.
I develop backend automation using Node.js, JavaScript, Python, PHP, Laravel, and Django, integrated with MongoDB, Firebase, and Supabase databases. These systems enable API Integration, REST API Integration, GraphQL, and scalable Web Development services for apps built with Flutter, React, React Native.
My services include Mobile App Development Consultation, Mobile App Design, Mobile App Redesign, Website to Mobile App Conversion, Mobile App Bug Fix, and full App Development. I implement User Authentication, User Profile Creation, automated cron jobs, background workers, and secure App Security workflows.
Using Dart, Java, Swift, Node.js, Git, Xcode, and Android Studio, I support apps published on App Store and Google Play with Cross-platform architecture, AI Mobile App Development, AI Mobile App features, and Agentic AI integrations.
I develop backend automation using Node.js, JavaScript, Python, PHP, Laravel, and Django, integrated with MongoDB, Firebase, and Supabase databases. These systems enable API Integration, REST API Integration, GraphQL, and scalable Web Development services for apps built with Flutter, React, React Native.
My services include Mobile App Development Consultation, Mobile App Design, Mobile App Redesign, Website to Mobile App Conversion, Mobile App Bug Fix, and full App Development. I implement User Authentication, User Profile Creation, automated cron jobs, background workers, and secure App Security workflows.
Using Dart, Java, Swift, Node.js, Git, Xcode, and Android Studio, I support apps published on App Store and Google Play with Cross-platform architecture, AI Mobile App Development, AI Mobile App features, and Agentic AI integrations.
Programming Languages
JavaScript, Python, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$300
|
Standard
$650
|
Advanced
$1,200
|
|---|---|---|---|
| Delivery Time | 5 days | 10 days | 15 days |
Number of Revisions | 2 | 5 | Unlimited |
Number of Pages | 2 | 3 | 6 |
Design Customization | - | - | - |
Content Upload | |||
Responsive Design | - | - | - |
Source Code |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$150 - $450
Additional Revision
+$60Frequently asked questions
3 reviews
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Naghma A.
May 7, 2026
AI Mobile App Developer | Flutter, OpenAI API, Android & iOS MVP Development | Full Stack Developer
Shiraz is Solution Oriented & Committed to Quality. I appreciate him for working with me under my project named AI Mobile App Developer, Flutter Expert, OpenAI API, Android & iOS MVP Development, Full Stack Developer.
It was basically a Mobile App Development project.
He is highly recommended.
Thanks 👍
It was basically a Mobile App Development project.
He is highly recommended.
Thanks 👍
AM
Arif M.
Apr 20, 2026
AI Mobile App Developer for SMS App | Flutter, Node.js, AI Mobile App Development
Great experience working with Shiraz Javed, He communicated clearly throughout the project, stayed detail-oriented, and approached every challenge with a solution-oriented mindset.
He delivered solid Mobile App Development with a strong focus on AI Mobile App Development, building reliable SMS functionality through clean AI API Integration. He handled both Android App Development and iOS Development using Flutter (Dart), while efficiently managing backend work with Node.js and Express.js.
He also contributed to Hybrid App Development, improved the app through Mobile App Redesign and performance optimization, and quickly resolved issues with effective Mobile App Bug Fix, including smooth OpenAI API integration, He is Clear Communicator and Accountable for Outcomes, Highly Recommended.
He delivered solid Mobile App Development with a strong focus on AI Mobile App Development, building reliable SMS functionality through clean AI API Integration. He handled both Android App Development and iOS Development using Flutter (Dart), while efficiently managing backend work with Node.js and Express.js.
He also contributed to Hybrid App Development, improved the app through Mobile App Redesign and performance optimization, and quickly resolved issues with effective Mobile App Bug Fix, including smooth OpenAI API integration, He is Clear Communicator and Accountable for Outcomes, Highly Recommended.
NA
Naghma A.
Apr 10, 2026
Flutter Mobile App Developer Needed for API Integration & UI Implementation
Shiraz Javed is a highly skilled freelancer in Mobile App Development, delivering a high-quality Mobile App with expertise in Android App Development and iOS Development using Flutter for both Android and iOS platforms. He is Accountable for Outcomes, Clear Communicator and excels in Hybrid App Development and AI Mobile App Development, integrating advanced features with OpenAI API.
His strong backend skills in Node.js and Express.js ensured smooth API Integration, while he efficiently handled every Mobile App Bug Fix and managed the project using Git.
Highly recommended for reliable and professional mobile development.
His strong backend skills in Node.js and Express.js ensured smooth API Integration, while he efficiently handled every Mobile App Bug Fix and managed the project using Git.
Highly recommended for reliable and professional mobile development.
About Shiraz
Flutter Mobile App Developer, AI Mobile App Developement, Android, iOS
100%
Job Success
Riyadh, Saudi Arabia - 11:56 pm local time
✅ 60+ Mobile App Development projects successfully delivered
✅ 100% Job Success as a Mobile App Developer
✅ 30+ apps live on App Store & Google Play
✅ AI-powered Mobile App Development using OpenAI
I’m a Mobile App Developer with strong experience in Mobile App Development using Flutter, Android, and iOS.
As a Top 1% Mobile App Developer on Upwork, I have worked on multiple successful Mobile App Development projects, building apps used by thousands of users worldwide. Your idea could be next.
💡 𝐌𝐲 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞
📱 𝐂𝐨𝐫𝐞 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬
✔ Full-cycle Mobile App Development (from idea to launch)
✔ Cross-platform Mobile App Development (Flutter, React Native)
✔ Native Mobile App Development (Android & iOS)
✔ AI Mobile App Development & integrations
🛠️ 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬 𝐈 𝐔𝐬𝐞 𝐢𝐧 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭
✔ Mobile App Development: Flutter, Dart, React
✔ AI Mobile App Development: OpenAI API
✔ Backend & API Development: Node.js, Python (FastAPI, Flask, Django), REST API, GraphQL API
✔ Database Management: Firebase, Firestore, SQLite, MySQL, MongoDB
✔ Cloud Integration: Firebase Cloud Functions, AWS, Google Cloud
✔ Tools & Workflow: Git, GitHub, GitLab, Bitbucket, Jira, Trello
✔ UI/UX Design: Figma, Adobe XD, Material Design, Cupertino Widgets
📊 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 𝐈’𝐯𝐞 𝐁𝐮𝐢𝐥𝐓
✔ Ride Instructor Booking Mobile App Development (like Uber) (iOS and Android)
✔ Real Estate Listing Mobile App Development (like Airbnb)
✔ Social Media Mobile App Development (iOS and Android)
✔ Sports Mobile App Development (iOS and Android)
✔ Food Delivery Mobile App Development (iOS and Android)
✔ E-commerce Mobile App Development (iOS and Android)
✔ Freelance Mobile App Development (iOS and Android)
✔ Learning Management Mobile App Development (iOS and Android)
✔ Appointment Booking Mobile App Development (iOS and Android)
✔ Venue Booking Mobile App Development (iOS and Android)
✔ Customer Relationship Management Systems (CRMs)
✔ On-demand Mobile App Development (iOS and Android)
🎯 𝐖𝐡𝐲 𝐂𝐡𝐨𝐨𝐬𝐞 𝐌𝐞 𝐚𝐬 𝐘𝐨𝐮𝐫 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫?
✔ Extensive experience in Mobile App Development
✔ Clean, scalable, and production-ready code
✔ Clear communication and timely delivery
✔ Reliable long-term support after development
🤝 𝐖𝐡𝐚𝐭 𝐘𝐨𝐮 𝐆𝐞𝐭
1️⃣ A dedicated Mobile App Developer
2️⃣ Expert consultation for your Mobile App Development idea
3️⃣ A smooth and transparent development process
4️⃣ A high-quality product designed for real users
🚀 𝐋𝐞𝐭’𝐬 𝐒𝐭𝐚𝐫𝐭 𝐘𝐨𝐮𝐫 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐧𝐭 𝐏𝐫𝐨𝐣𝐞𝐜𝐭
If you are looking for a skilled Mobile App Developer for your next Mobile App Development project, feel free to invite me.
Let’s build something exceptional together.
Highlighted Skills:
Flutter, Dart, Flutter Mobile App Developer, Dart Developer, OpenAI API, Full Stack Developer, Back End Developers, API, API Developer, Node.js, Node.js Developer, SQL, App Developer, App, Mobile App Development, Mobile App Developer, Android App Development, Android App Developer, Mobile App, AI Mobile App Development, AI Mobile App Developer, Mobile App Design, Mobile UI Design, Responsive Design, UI/UX Designer, Prototyping, Mobile App UI, Mobile App API, Mobile Application, Mobile Application Developer, Mobile Application Developement, iOS, Android, iOS App, Android App, iOS Application, Flutter iOS, Flutter iOS Android, Hybrid App, Hybrid App Development, Hybrid App Developer, Cross Platform Mobile Development, Cross Platform Mobile Developer, Cross Platform App Developer, Cross Platform App Development, Express.js, RESTful API, Express API, API Integration, Mobile App API Integration, App API Integration, Expert Full Stack Developer, Full Stack Mobile App Developer, Expert Full Stack Mobile App Developer, AI Mobile App, Mobile, Application, Application Development, Application Developer, Application Designer, Application API Integration, Build App, Build Mobile App, Flutter App Developer, iOS App Developer, Cross-Platform Mobile Developer, Machine Learning App Integration, Senior Mobile App Developer, Flutter Mobile App Development, Flutter Developer, Software Designer
Steps for completing your project
After purchasing the project, send requirements so Shiraz can start the project.
Delivery time starts when Shiraz receives requirements from you.
Shiraz works on your project following the steps below.
Revisions may occur after the delivery date.
Backend Architecture Planning
Analyze Web Development, Mobile App Development, API Integration, User Authentication, and design Node.js cron jobs for scalable Cross-platform apps.
Database & API Setup
Configure MongoDB, Firebase, or Supabase, build REST API Integration or GraphQL APIs, and secure backend endpoints for Mobile Apps.