Nazmul H.
Dhaka, Bangladesh
100%
Job Success
Top Rated
Specialized Embedded Software Engineer for IoT and LoRaWAN Devices
$40.00/hr
With over 8 years of professional experience in embedded firmware engineering, I am a detail-oriented professional committed to delivering robust firmware solutions that enable digital transformation through connected embedded devices. My expertise lies in architecting and implementing layered embedded software for connected Internet of Things (IoT) devices, with a strong focus on reliability, portability and security.
My versatility allows me to walk through the entire development cycle to arrange an end-to-end delivery with assured quality.
Skill Highlights:
⚡Programming Languages:
☑ Embedded C
☑ Assembly
☑ Python
⚡Chips and Vendors:
☑ Espressif ESP32 Series
☑ ARM Cortex-M based Microcontrollers (MCU)
☑ Nordic nRF52 and nRF53
☑ Silicon Labs
☑ STMicroelectronics
⚡RTOS:
☑ FreeRTOS
☑ Zephyr
☑ ThreadX
⚡Connectivity Protocols:
☑ WiFi
☑ Ethernet
☑ Cellular (LTE-M) - Quectel
☑ TCP/IP
☑ GPS
⚡Communication Standards:
☑ MQTT
☑ HTTP
☑ LoRaWAN
☑ Modbus
☑ mbedTLS
☑ NTP
⚡MCU Peripherals:
☑ ADC and DAC
☑ Timers and PWM
☑ I2C
☑ I2S
☑ SPI
☑ USART (RS232, RS485)
☑ DMA
☑ USB
⚡Cloud Platforms:
☑ AWS IoT Core
☑ The Things Network (TTN)
☑ Senet
⚡Debugging Tools:
☑ Oscilloscope
☑ Saleae Logic Analyzer and Analog Discovery 3
☑ Spectrum Analyzer
☑ nRF PPK-II, Joulescope
⚡Others:
☑ Board Bring-up
☑ GUI with LVGL
☑ Low power optimization techniques
☑ Firmware Over-the-Air Updates (OTA / FOUTA)
☑ Bootloader (MCUboot)
☑ PCB Design with KiCAD
Work history
Work history
Esp32 custom chip review
5.00
Mar 4, 2024
-
Jan 25, 2025
Private earnings
Assistance with ESP32 development
5.00
Aug 28, 2023
-
Jun 13, 2024
"A+ freelancer to work with. Understood tasks quickly and delivered all requirements on time. Also identified areas for improvement which we gladly took onboard. This work included a full platform…
Private earnings
Assistance Needed in Learning and Troubleshooting ESP32-S3 T-SIMCAM Tutorial - SHORT NOTICE
Nov 5, 2023
-
Apr 24, 2024
No feedback given
Private earnings
Firmware Development ESP-32 and M24SR NFC tag
4.30
Oct 19, 2023
-
Feb 13, 2024
Private earnings
30 minute consultation
Dec 13, 2023
-
Dec 14, 2023
No feedback given
Private earnings
30 minute consultation
Sep 8, 2023
-
Sep 26, 2023
No feedback given
Private earnings
Consultation
Sep 7, 2023
-
Sep 25, 2023
No feedback given
Private earnings
Embedded Engineer with ESP 32 and LoRa experience
5.00
Jul 19, 2021
-
Aug 17, 2023
Private earnings
ARM v8 assembly language
5.00
May 4, 2021
-
May 4, 2021
Private earnings
ARM v8 assembly language
5.00
Apr 18, 2021
-
Apr 30, 2021
Private earnings
ESP32 Firmware Development in ESP-IDF framework
Sep 29, 2024
-
Present
Job in progress
Private earnings
Update Existing Attiny84 Based Arduino Watchdog Firmware
Dec 12, 2023
-
Present
Job in progress
Private earnings
PCB Design
Jan 7, 2021
-
Present
Job in progress
Private earnings
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Skills
Skills
- ESP32
- Arduino Firmware
- Raspberry Pi
- FreeRTOS
- Internet of Things Solutions Design
- AWS IoT Core
- Electronic Circuit Design
- Sensor
- nRF52
- LoRa
Project catalog
Get started working with Nazmul quickly with these predefined projects.
Get started working with Nazmul quickly with these predefined projects.
You will get LoRaWAN compatible firmware for STM32WL55
From $225
3 days delivery
You will get firmware development for ESP32 platform
From $100
2 days delivery