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English
$
USD
I will build custom mobile app with backend and ai integration
Veljko M
About this gig
Want to launch your own professional mobile app with backend and AI?
I will develop a sleek, high-performance Android and iOS mobile app using Flutter, with powerful backend systems and smart AI integration tailored to your business needs.
What You'll Get:
- Cross-platform Flutter app (iOS & Android)
- Full backend development (Firebase, Node.js, Supabase)
- User authentication, real-time database & push notifications
- API integration & third-party services
- Clean, scalable & well-documented code with full source files
- App Store & Google Play deployment support
Choose Your Package:
- Basic Simple app with a few screens, beautiful UI/UX, no backend/API
- Standard Full-featured app with backend, APIs, real-time features & admin panel
- Premium Professional business app + advanced AI integration (OpenAI, Gemini, custom ML models), smart automation, analytics & premium design
Perfect For:
- Business scheduling & management tools
- Tech startups & SaaS platforms
- Healthcare, fitness & productivity apps
- E-commerce, delivery & service booking apps
- Any custom idea that needs mobile + backend + AI
I deliver modern, fast, and user-friendly apps with transparent communication and regular updates. Based in Serbi
Get to know Veljko M
Veljko M
Mobile and Backend Software Engineer App Development and AI integration
- FromSerbia
- Member sinceFeb 2020
Languages
English
I'm Veljko, I build apps for build and scale their apps with 8+ years of experience. I've delivered 15+ professional projects, 8 of which received investments.
What I Offer:
• Native Android) & iOS apps
• Cross-platform apps (Flutter)
• Complete backend (Firebase, Node.js, Supabase)
• AI integration
• UI/UX, payments, push notifications, real-time features
• API integration
Why me?
• Serbia-based (EU time zone + native English)
• Transparent communication & quality focus
• Full app development at one price
Let’s turn your idea into a successful app! Message me your project details.
My Portfolio
FAQ
What is included in each package?
Basic: Simple app with 4–6 screens, modern UI/UX, local storage (no backend or API). Standard: Full app with backend, APIs, real-time features, authentication, database, push notifications, and admin panel. Premium: Professional business-grade app + AI integration (OpenAI, Gemini, etc.), advanced fe
Which technologies do you use?
I mainly use Flutter for cross-platform (Android + iOS) development. For backend I work with Firebase, Node.js, or Supabase. I can also do native Kotlin/Swift if needed.
Do you integrate AI?
Yes! In the Premium package I integrate OpenAI (ChatGPT), Gemini, DeepSeek, or custom AI models for smart features, automation, recommendations, etc.
How long does it take to complete the project?
Basic: 7–14 days Standard: 3–5 weeks Premium: 5–8 weeks Timeline depends on project complexity. I will give you an exact timeline after reviewing your requirements.
Will I get the full source code?
Yes, you will receive complete, clean, and well-documented source code for both the mobile app and backend.
Do you provide support after delivery?
Yes. All packages include 7 days of free bug fixes and support. Premium package includes 30 days of support. After that support is billed at an hourly rate.
What do you need from me to start?
I need a clear description of your idea, main features, design references (if any), and any specific APIs or services you want to use. The more details, the better.
How do we communicate during the project?
I provide regular updates (every 3–4 days), share progress via screenshots/videos, and am available on Fiverr messaging or Google Meet.
What if I want changes during development?
Additional changes are possible depending on the scope.
