Browse categories
Explore
Fiverr Pro
English
$
USD
Atif Rafique
@muhammadatifraf
Level 1
Embedded Systems Engineer, Firmware, PCB Design, IoT
Pakistan
About me
I am an Electronics Engineer who develops embedded and IoT products from concept to completion. My work includes system architecture, PCB design, firmware development, hardware-software integration, cloud connectivity, dashboard development, and desktop applications for device control and monitoring. I work with ESP32, STM32, nRF52, Raspberry Pi, and Arduino to build reliable, production-ready systems with wireless communication, remote data access, and real-time monitoring.
Skills
Atif Rafique
$15/hour
Offline •
Average response time: 1 hour
See my services
Embedded Systems & IoT
I will develop embedded iot firmware esp32 stm32 nrf52 raspberry pi ble mqtt lora rtos
Embedded Systems & IoT
I will develop end to end iot system with cloud dashboard mqtt wifi ble lora cellular
Want to work on an hourly basis?
Tell Atif Rafique what you need.
$15
/
hourPortfolio
Work experience
Company
Full-time • 3 yrs 10 mos
Embedded Software Engineer
Apr 2024 - Present • 2 yrs 2 mos
Developed production-grade embedded firmware, PCB hardware, and IoT solutions for industrial and construction applications. Responsibilities: - Developed BLE firmware for nRF52811 with 3-channel temperature logging, OTA updates, and secure BLE pairing - Implemented compact binary encoding and circular buffer for 30+ days on-device data storage - Designed custom BLE antenna PCB in KiCad with 20-meter coverage, power management, and manufacturing-ready files - Developed ESP32 firmware for industrial fan blade monitoring system with sensor integration and data acquisition - Implemented BLE/LoRa gateway cloud sync and IP68-rated enclosure integration - Built desktop applications in PyQt5 for device configuration, monitoring, and BLE communication Key Achievement: Delivered CRETO BLE concrete temperature sensor from firmware to PCB to field deployment — used in real construction sites with IP68 waterproofing and 30-day battery life.
Embedded Software Engineer
Aug 2022 - Apr 2024 • 1 yr 8 mos
Designed and developed embedded firmware and IoT systems for medical and wearable applications. Responsibilities: - Developed firmware for nRF5340 on Zephyr RTOS for smartwatch health monitoring - Integrated MAX30102 (SPO2/heart rate), MPU6050 (motion/steps), BMP280 (temperature/pressure) - Built Raspberry Pi-based blood sample analysis system using AS7262 color sensors and PCA9548 I2C multiplexer - Developed Flask backend with MySQL database and REST API for lab diagnostics - Implemented MQTT for real-time hardware-software communication - Automated sample handling using stepper motor control Key Achievement: Delivered a complete lab-grade biogas analysis system and wearable health monitoring firmware — both deployed in real medical and research environments.
9 Reviews
| (8) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-5 out of 9 Reviews
Sort By
Most relevant
donaldtrumpo
United States
what can i say, this is an outstaanding experience, Mr Atif is really one of those we say he goes far to the mon and back to make it happen in away of or the other, intellegient he knows what he is talking about, and can even paly a role of bridge between yourself and him, by helping you to see your...
Helpful?
masif1038
Saudi Arabia
Delivered high-quality, well-documented work on time with clean and impressive code.
Helpful?
aneequsman802
Italy
Outstanding work! Delivered quality on time – highly recommend!
Seller's Response
Helpful?
robotest410
Repeat Client
Belgium
Seller's Response
Helpful?
robotest410
Repeat Client
Belgium
Seller's Response
Helpful?
