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Fiverr Pro
Nederlands
$
USD
I will fix bugs and update your android and IOS flutter app
AI Mobile Apps Developer Android IOS MVP, Flutter Development Firebase
Your Flutter AI MVP belongs in the App Store in 6 weeks, not 6 months.
Senior Flutter Developer, 8+ years shipping AI-powered iOS and Android apps (Claude, Gemini, OpenAI) on Firebase or Supabase back...
Over deze dienst
Hi, Im Haris a Computer Science graduate with 7+ years of experience in mobile app development (Flutter, Kotlin). Over the years, I've built scalable apps across industries: ride-hailing, AI chatbots, food delivery, productivity, and real estate. My focus has always been on performance, scalability, and real business impact.
Services I Offer
Custom Mobile & Web Apps with Flutter
Stripe & In-App Payments (Google Pay, Apple Pay, subscriptions)
Authentication & Security (Google, Apple, Facebook, OAuth2, JWT)
UI/UX Implementation (responsive, animated, pixel-perfect)
API & Backend Integration (REST, GraphQL, Firebase)
App Maintenance & Deployment (Google Play Store, Apple App Store, Amazon Store)
Why Me?
I treat apps as long-term products, not one-off prototypes.
I bring a business-first mindset, aligning development with company goals.
I ensure clean architecture, maintainability, and scalability for future growth.
Ive helped businesses launch, scale, and monetize their apps successfully.
Ready to Get Started?
Ready for a high-quality app? Let's discuss how I can help with your mobile app project!.
Order now
Andere Onderhoud van mobiele apps diensten die ik aanbied
Veelgestelde vragen
What types of bugs can you fix?
I can fix a wide range of bugs, including UI/UX issues, performance problems, crashes, and errors related to the Flutter and Dart SDK.
How do you handle sensitive information and code?
I prioritize the security and confidentiality of your project. Any sensitive information and code shared with me are kept secure and used solely for the purpose of fixing bugs and implementing customizations.
Do you provide any support after order completion ?
Yes, I provide long-term support at no extra cost.
Are you available for long term project ?
It depends if I'm not running through a busy routine, then surely I'm available for long-term work.
which languages you can speak?
I am fluent in both English and Urdu.
Reviews
37 reviews van deze dienst
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Specificering van de beoordeling
- Communicatieniveau van de freelancer
- Kwaliteit van de levering
- Waarde van de levering
Sorteer op
Meest relevant
D 
dantechu
Verenigde Staten
Fixed a critical bug quickly and efficiently. Communication was clear throughout, and the solution was solid. Haris is an expert AI Mobile Apps developer with Flutter. I highly recommend him.
Tot maximaal US$ 50
Prijs
1 dag
Looptijd
Nuttig?A 
awesomepats
Filippijnen
Working with Haris was a great experience. It’s such a relief knowing he’ll handle everything that needs to be done and deliver on time. Thank you so much, sir, for taking care of my project. Kudos, and looking forward to more projects together. :)
US$ 600-US$ 800
Prijs
3 weken geleden
Looptijd
Nuttig?D dantechu
Verenigde Staten
well done! Highly recommended! Looking forward to next project.
US$ 100-US$ 200
Prijs
4 dagen
Looptijd
Nuttig?D dantechu
Verenigde Staten
He is a top-rated developer with excellent communication skills and programming skills. Will hire him for next project.
Tot maximaal US$ 50
Prijs
2 dagen
Looptijd
Nuttig?L lankyj
Verenigde Staten
Enjoyed working with Hariz. I will be back again insha Allah.
US$ 50-US$ 100
Prijs
9 weken geleden
Looptijd
Nuttig?
Reviews
37 reviews van deze dienst
| (37) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Specificering van de beoordeling
- Communicatieniveau van de freelancer
- Kwaliteit van de levering
- Waarde van de levering
Sorteer op
Meest relevant
D dantechu
Verenigde Staten
Fixed a critical bug quickly and efficiently. Communication was clear throughout, and the solution was solid. Haris is an expert AI Mobile Apps developer with Flutter. I highly recommend him.
Tot maximaal US$ 50
Prijs
1 dag
Looptijd
Nuttig?A awesomepats
Filippijnen
Working with Haris was a great experience. It’s such a relief knowing he’ll handle everything that needs to be done and deliver on time. Thank you so much, sir, for taking care of my project. Kudos, and looking forward to more projects together. :)
US$ 600-US$ 800
Prijs
3 weken geleden
Looptijd
Nuttig?D dantechu
Verenigde Staten
well done! Highly recommended! Looking forward to next project.
US$ 100-US$ 200
Prijs
4 dagen
Looptijd
Nuttig?D dantechu
Verenigde Staten
He is a top-rated developer with excellent communication skills and programming skills. Will hire him for next project.
Tot maximaal US$ 50
Prijs
2 dagen
Looptijd
Nuttig?L lankyj
Verenigde Staten
Enjoyed working with Hariz. I will be back again insha Allah.
US$ 50-US$ 100
Prijs
9 weken geleden
Looptijd
Nuttig?
