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Português
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Kazi Shakib
@kazi_sakib_56
Level 1
IoT and Embedded Systems Engineer ESP32 MQTT Flutter AWS BLE
Bangladesh
Inglês
Sobre mim
I am a professional Mobile Apps Developer, IOT expert and Software Engineer with 4+ years of experience building production-ready smart device solutions and mobile applications.
I specialize in designing complete IoT ecosystems including:
• ESP32 / Arduino firmware development (C/C++)
• MQTT-based real-time device communication
• BLE (Bluetooth GATT) provisioning and control
• Secure OTA firmware update implementation
• FreeRTOS task management & performance optimization
• AWS / Firebase cloud integration
• Flutter mobile apps (Android & iOS)
• Web dashboards & backend integration
Habilidades
Kazi Shakib
US$ 20/hora
offline •
Tempo médio de resposta: 1 hora
Conheça meus serviços
Desenvolvimento Multiplataforma
I will develop iot app using ble flutter, esp32, firebase, mqtt
Desenvolvimento Multiplataforma
I will develop android and ios mobile apps using flutter
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Diga a Kazi Shakib o que você precisa.
US$ 20
/
horaPortfólio
Experiência profissional
Software Engineer – IoT & Mobile Systems
Hasans IT Solution • Período integral
Jul 2023 - Dec 2025 • 2 yrs 5 mos
• Developed ESP32-based IoT firmware with MQTT and cloud integration • Implemented BLE provisioning systems for device onboarding • Designed Flutter mobile apps for smart device control • Integrated AWS, Firebase, and VPS-hosted backends • Built production-ready home automation and monitoring systems • Optimized FreeRTOS task handling for stability and performance
23 Avaliações
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1-5 fora das 23 avaliações
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vishaldesae1981
Índia
Kazi delivered an excellent working prototype of the app and completed the coding professionally. Communication was clear and timely throughout, and he was very responsive to updates and questions. The work was well-structured, delivered as agreed, and he showed strong technical skills and attention...
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mahasolaiman
Cliente recorrente
Arábia Saudita
He was highly professional, detail-oriented, and exceeded expectations throughout the project. Communication was always quick and clear, and the work was delivered with excellent quality and attention to detail. The project was bug-free, well-documented, and showed strong technical expertise and cooperation.
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jerome_gg
Cliente recorrente
China
Very good work done by Kazi, I really appreciated his communication and clarifying together the specification and deliverable to establish a good cost for the project and make sure we are aligned before starting. Very professional. Kazi sent some regular updates during the project. Definitely recommend!
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mahasolaiman
Cliente recorrente
Arábia Saudita
Excellent work and a very smooth experience overall. The freelancer demonstrated strong technical skills, clear understanding of the requirements, and great attention to detail. Communication was professional and timely throughout the project.
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mahasolaiman
Cliente recorrente
Arábia Saudita
Thank you for your great effort and professionalism. I truly appreciate your work and support. It was a pleasure working with you.
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