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Iftekhar
@iftekharul99
Level 2
Software and Hardware Engineer
Bangladesh
English, Bengali
About me
IoT & Mobile App Developer with 5+ years of experience building native and cross-platform apps (Flutter, Swift, Kotlin). Specialized in IoT ecosystems—BLE, MQTT, Zigbee, AWS IoT Core, and real-time telemetry. I architect scalable, secure, and responsive solutions that bridge hardware and software seamlessly. Passionate about clean code, performance optimization, and delivering end-to-end products from concept to production.
Skills
Iftekhar
$25/hour
Offline •
Average response time: 1 hour
See my services
Embedded Systems & IoT
I will do arduino esp32 controller embedded systems programming and iot raspberry pi
Embedded Systems & IoT
I will develop iot app embedded systems and apps ios android using flutter
Want to work on an hourly basis?
Tell Iftekhar what you need.
$25
/
hourWork experience
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IoT and Flutter Developer
Fiverr • Freelance
Jan 2021 - Present • 5 yrs 6 mos
As a Flutter developer, I've built e-commerce apps with cart systems, fintech apps handling secure transactions, food delivery platforms with live order tracking, and fitness apps with real-time metrics. The cross-platform magic saves massive time—one codebase runs beautifully on both stores. Hot-reload transforms development into an interactive experience, allowing instant UI refinements. I've navigated complex state management using Riverpod, integrated Firebase for authentication and push notifications, and optimized performance for smooth animations. Each project taught me something new, from handling platform-specific sensors to ensuring pixel-perfect designs. The journey is challenging but deeply satisfying.
21 Reviews
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-5 out of 21 Reviews
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safkat04
Repeat Client
Bangladesh
As someone who works deeply with IoT architecture and embedded systems, I have high standards for how hardware like the ESP32 interfaces with mobile applications. Iftekhar exceeded those expectations yet again. Not only is his Flutter code clean and the integration seamless, but he also delivered the...
Seller's Response
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safkat04
Repeat Client
Bangladesh
Another flawless delivery from Iftekhar! After working with him previously, I brought him back for a major Flutter/Firebase build. He delivered high-quality work well ahead of schedule, handled complex state management and real-time features effortlessly, and kept communication clear and proactive throughout....
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safkat04
Repeat Client
Bangladesh
Ifitekhar delivered an outstanding Flutter application that far exceeded expectations. What impressed me most wasn't just the polished interface, rather it was the depth of technical understanding behind every decision. This is a developer who genuinely understands embedded systems. The ESP32 WiFi/BLE...
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safkat04
Repeat Client
Bangladesh
His ability to seamlessly integrate IoT hardware with intuitive app interfaces is truly rare and remarkably polished. He doesn’t just connect devices, He creates complete ecosystems that feel smart, responsive, and user-friendly. Anyone would be lucky to have him as a developer, who understands both the edge and the screen with such depth and clarity!!
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angelo_1970
Switzerland
Thank you very much for your professional work, patience, and support throughout this project. I appreciate the detailed diagrams, code, component lists, and your explanations. Communication with you was always friendly and reliable. I am happy with the delivery and your support during the process....
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