You will get a Fix, Upgrade, Optimize & Maintain Your Flutter Mobile App

Anjali M.Status: Offline
Anjali M. Anjali M.
4.9
Top Rated

Let a pro handle the details

Buy Mobile App Improvements services from Anjali, priced and ready to go.
Anjali M.Status: Offline
Anjali M. Anjali M.
4.9
Top Rated

Let a pro handle the details

Buy Mobile App Improvements services from Anjali, priced and ready to go.

Project details

Keep your Flutter app running smoothly with a team that has 13+ years of mobile app development experience. We specialize in fixing bugs, upgrading Flutter SDKs and dependencies, optimizing performance, improving UI/UX, integrating APIs, resolving Firebase and Supabase issues, and adding new features to existing applications.

Whether you need to fix crashes, improve speed, modernize your codebase, migrate to the latest Flutter version, or provide ongoing maintenance, we deliver clean, maintainable code, thorough testing, transparent communication, and reliable solutions that keep your Android and iOS apps stable, secure, and ready for future growth.
Platform
Mobile Web
App Type
Hybrid App
Development Technology
Flutter
App Purpose
Dating, Delivery, Finance, Entertainment, Education, Health & Fitness, IoT, Kids, Lifestyle, Medical
Expertise
Cross Browser & Device Compatibility, Performance Optimization, Security
What's included
Service Tiers Starter
$500
Standard
$1,000
Advanced
$1,500
Delivery Time 7 days 14 days 21 days
Number of Revisions
234
App Store Upload
-
-
-
Source Code
-
-
-
4.9
196 reviews
92% Complete
7% Complete
2% Complete
1% Complete
(0)
1% Complete
(0)

SH

Sharlene H.
5.00
Sep 9, 2026
WordPress Development for Virtual Lessons They did an excellent job building my website and were responsive, professional, and easy to work with throughout the project. They were always willing to help and make adjustments when needed. I’m very happy with the final result and would definitely recommend them!

MG

Matteo G.
5.00
Aug 29, 2026
Server & PHP Upgrade They did a great work with upgrading our code and server.
Each problem that came up was resolved and our new platform is faster and more stable.
I highly recomend them.

BK

Bharath K.
5.00
Aug 12, 2026
Webpage Development comparison page

BK

Bharath K.
5.00
Jul 30, 2026
Annual Maintenance Website Contract

BK

Bharath K.
5.00
Jul 30, 2026
Design + Interactive Webpage
Anjali M.Status: Offline

About Anjali

Anjali M.Status: Offline
Mobile App Developer | Flutter | React Native | iOS | Android |AI Apps
100% Job Success
4.9  (196 reviews)
Kozhikode, India - 8:29 pm local time
Senior Mobile App Developer | Flutter, React Native, iOS, Android & AI Apps

Hi there! 👋 I'm Anjali, a Senior Mobile App Developer with 12+ years of software development experience, specializing in building high-performance, cross-platform mobile applications using Flutter and React Native for iOS and Android.

I help startups, SMEs, and enterprises transform their ideas into scalable, user-friendly mobile applications that deliver real business value. From MVPs to enterprise-grade applications, I focus on clean architecture, seamless user experiences, and long-term maintainability. I also specialize in integrating AI-powered features using OpenAI, Gemini, Claude, and other LLMs to create smarter mobile experiences.

My work goes beyond writing code. I approach every project with a product mindset—understanding your business goals, recommending the right technical solutions, and building apps that are reliable, scalable, and ready for growth.

Whether you need a new mobile app from scratch, migration from native to Flutter or React Native, AI integration, backend connectivity, or ongoing maintenance, I can take ownership of the complete development lifecycle—from planning and development to deployment and long-term support.

With 565+ successfully completed contracts on Upwork, a 100% Job Success Score, and Top Rated status, I have helped businesses worldwide launch and scale successful mobile applications.

What I Deliver

✔ Cross-platform mobile app development with Flutter & React Native
✔ Native-like performance for iOS and Android
✔ AI-powered mobile applications and chatbot integration
✔ Firebase integration (Authentication, Firestore, FCM, Analytics, Crashlytics)
✔ REST API & GraphQL integration
✔ Payment gateway integration (Stripe, Razorpay, PayPal)
✔ Real-time chat, push notifications, maps, GPS & geolocation
✔ App performance optimization and bug fixing
✔ Google Play Store & Apple App Store deployment
✔ Long-term maintenance, feature enhancements, and support

Technologies & Tools

✔ Mobile: Flutter, React Native, Dart, JavaScript, TypeScript
✔ Backend: Node.js, Laravel, PHP, Express.js, REST APIs
✔ Database & Cloud: Firebase, MySQL, PostgreSQL, MongoDB, AWS
✔ AI Integration: OpenAI, Gemini, Claude, LangChain, Vision APIs, RAG
✔ Tools: Android Studio, Xcode, Git, Firebase Console, Google Play Console, App Store Connect, Figma

If you're looking for a reliable mobile app developer who can build a high-quality, scalable application from concept to launch, I'd love to discuss your project.

Click the "Message" or "Invite" button, and let's build something amazing together.

Full Stack Developer | Mobile App Developer | Full Stack AI Developer | iOS Developer | Android App Developer | Mobile App Development | Cross Platform Development | AI App Developer | Hybrid App Development| Flutter | React Native | Firebase | Supabase | Laravel Developer | Next.js Developer | React Developer | Node.js Developer | AI integration | AI Chatbot | Lang Chain | n8n Expert | Make AI Expert | SaaS Application |Open AI API | REST API Development | Typescript | Automation Expert | Back End Developer | Front End Developer | Nest.js | API Integration |

Steps for completing your project

After purchasing the project, send requirements so Anjali can start the project.

Delivery time starts when Anjali receives requirements from you.

Anjali works on your project following the steps below.

Revisions may occur after the delivery date.

Project Review & Issue Analysis

We review your Flutter project, analyze reported issues, and identify the best approach for fixing, upgrading, or optimizing your application.

Development & Improvements

We fix bugs, update Flutter packages, optimize performance, refactor code, integrate new features, and implement the requested enhancements.

Review the work, release payment, and leave feedback to Anjali.