i
iftekharul99

Iftekhar

@iftekharul99
5.0(20)

Level 1

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.... Read more

Skills

i
iftekharul99
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
5.0(11)
Embedded Systems & IoT
I will develop iot embedded controller programmming and apps ios android using flutter
5.0(8)

Want to work on an hourly basis?

Tell Iftekhar what you need.

$25

/

hour

Portfolio

Work experience

Fiverr

IoT and Flutter Developer

Fiverr • Freelance

Jan 2021 - Present5 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.

20 Reviews
5.0

(20)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    5
  • Value of delivery
    5
1-5 out of 20 Reviews
Sort By
Most relevant
    S
    image-docs

    safkat04

    Repeat Client

    BD

    Bangladesh

    5

    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....

    $100-$200

    Price

    10 days

    Duration

    gig

    Embedded Systems & IoT

    Helpful?
    Yes
    No
    S
    image-docs

    safkat04

    Repeat Client

    BD

    Bangladesh

    5

    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...

    $100-$200

    Price

    5 days

    Duration

    gig

    Embedded Systems & IoT

    Helpful?
    Yes
    No
    S
    image-docs

    safkat04

    Repeat Client

    BD

    Bangladesh

    5

    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!!

    $100-$200

    Price

    5 days

    Duration

    gig

    Embedded Systems & IoT

    Helpful?
    Yes
    No
    S
    image-docs

    sabbirsheikh184

    BD

    Bangladesh

    5

    Ifteks IoT engineering skills are seriously impressive — the way he turn complex ideas into smart, real-world solutions is inspiring. A freelancer like him doesn’t just build projects, he creates innovation that makes technology feel effortless.

    $50-$100

    Price

    4 days

    Duration

    gig

    Embedded Systems & IoT

    Helpful?
    Yes
    No
    A

    angelo_1970

    CH

    Switzerland

    5

    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....

    $400-$600

    Price

    4 weeks

    Duration

    gig

    Embedded Systems & IoT

    Helpful?
    Yes
    No