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marvahmed

Ahmed Marvel

@marvahmed

Concept to Prototype Expert Smart Ring, Fitness Tracker and Wearable Devices

United States
English, Spanish
About me
I’m an Embedded Hardware Engineer specializing in wearable devices and IoT prototypes. I help founders and innovators take their ideas from concept to fully functional, tested hardware with strong focus on smart rings, fitness trackers, medical wellness wearables, and low-power embedded systems. My expertise includes PCB design (rigid & rigid-flex), ESP32/nRF52 firmware, sensor integration, and power optimization. I deliver clean, reliable prototypes with clear documentation and structured project management. Let’s turn your wearable or IoT idea into reality.... Read more

Skills

m
marvahmed
Ahmed Marvel
Offline • 
Average response time: 1 hour

See my services

Embedded Systems & IoT
I will design ultra low power minimalist digital watch prototype with nrf52840 and lcd
From$150 / projectMore details
Printed Circuit Boards (PCB)
I will do can bus diagnostic, ecu tuning and obd2 programming, vehicle reverse engineer
From$55 / projectMore details

Work experience

Fiverr

Fiverr

Self-employed • 4 yrs 4 mos

Freelance Embedded Hardware Engineer

Mar 2023 - Present • 3 yrs 2 mos

1. Delivering concept-to-prototype services for wearable devices, smart rings, and fitness trackers. 2. Specialized in low-power design, rigid-flex PCBs, and ESP32/nRF52 firmware.

Embedded Systems Developer

May 2024 - Jul 2025 • 1 yr 2 mos

Developed multiple wearable and IoT prototypes with focus on miniaturization and power optimization.