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I will build flutter app for android, ios, web and desktop
shiyaam
About this gig
Need a fast, reliable, and scalable mobile app for your business? I build production-grade, native-performance iOS and Android applications from a single, optimized Flutter codebase.
What I Build:
- MVPs & Prototypes: Functional clickable flows and live device testing to validate ideas quickly with users and investors.
- POS & Operations: Smart point-of-sale systems for retail, food, and hospitality featuring table management, real-time ticket routing, and order tracking.
- Hardware & Bluetooth Integration: Robust communication with BLE scanners, thermal receipt printers, IoT sensors, and vehicle OBD-II interfaces.
- Business Platforms: On-demand booking systems, service marketplaces, and internal management tools.
Core Capabilities:
- Connectivity: Bluetooth Low Energy (BLE), Classic Bluetooth, GPS, and USB OTG.
- Backend: Firebase (Auth, Firestore, Cloud Functions, Push Alerts) or custom REST APIs (Python, Node.js).
- Payments: Stripe, PayPal, Razorpay, plus offline-first local data syncing with SQLite and Hive.
- Architecture: Modular GetX, Bloc, or Provider structure for smooth 60fps performance without memory leaks.
- UI/UX: Pixel-perfect translation of Figma or custom UI designs into responsiv
Get to know shiyaam
shiyaam
Product Engineer
- FromSri Lanka
- Member sinceJul 2020
- Avg. response time1 hour
Languages
Tamil, English, Sinhala
Hi, I'm Mohanashiyaam—Senior Mobile Tech Lead & Software Consultant with 6+ years of experience delivering robust digital solutions across Australia and Sri Lanka.
• Flutter Engineering: High-performance iOS, Android, Web, and Desktop apps.
• Hardware & IoT: BLE connectivity, smart controllers, and vehicle access systems.
• AI & Scalable Backends: Firebase architecture, REST APIs, and AI workflow integration.
• Agile Delivery: Clean code, Scrum management, and end-to-end quality assurance.
From MVPs to complex IoT products, let’s bring your software idea to life!
My Portfolio
FAQ
What do I need to provide before we begin?
Share your app idea, wireframes or UI designs (Figma, Adobe XD, or sketches), a list of must-have features, and details on any hardware you need to connect (e.g., thermal printer brand, BLE device, or OBD-II adapter). If you don’t have designs or specs yet, we can outline the user flow together.
Can you build an interactive prototype or MVP first?
Yes. If you want to validate your idea with early users or pitch investors before committing to a full build, we can create a fast, clickable MVP with functional screens and core logic.
How does hardware and Bluetooth integration work?
The app connects to external devices using Bluetooth Low Energy (BLE) or Classic Bluetooth. We can pair with handheld receipt printers for restaurant/POS orders, barcode/RFID scanners, vehicle diagnostics (OBD-II), or custom IoT microcontrollers.
Will the app run equally well on both iOS and Android?
Yes. Using Flutter, we build from a single, optimized codebase that delivers consistent 60fps performance, native platform gestures, and adaptive UI across both operating systems.
Which backend do you use?
Firebase (Firestore, Authentication, Cloud Functions, and Push Notifications) is ideal for fast real-time synchronization. If your system requires custom business logic or complex database handling, we can connect the app to custom RESTful APIs built with Python, Node.js, or your existing backend.
Do I own the full source code and intellectual property?
Yes. Once the project is delivered and approved, 100% of the source code, assets, and intellectual property belong entirely to you.
Will you assist with App Store and Google Play Store deployment?
Yes. We can generate production release builds, configure required permissions and bundle identifiers, and guide you through the submission process on your Google Play Console and Apple Developer accounts.
