Radius Networks Careers

Firmware Engineer


Junior to senior level developer as part of multidisciplinary team that designs and develops firmware for custom, leading-edge hardware products. Must be highly productive and able to get work done both independently and in collaboration with other engineers. Adaptable to changing priorities and requirements as is typical of a startup environment. Must be able to commute to Georgetown, DC.

Everyday is a new challenge at Radius Networks we have the rare opportunity to work on a tech stack that can range from firmware, embedded systems, hardware design, industrial design, web development and data science. We pride ourselves on this eclectic skill set with a smart and friendly team. Nobody knows how to do everything, but everybody is willing to jump in and learn. We are up front if we don’t know how to do something, but willing to dig in and figure it out. If there is a problem we speak up, and work together to get it solved. If this sounds like you, please reach out.


  • 2+ years of experience in embedded software development.
  • Strong experience with C and interpreted languages such as python, ruby.
  • Specialization in embedded software development, preferably with experience in wireless and low-power SOC platforms.
  • Excellent knowledge of the microcontroller architecture (ARM Cortex M), system bring up, HW-SW co-debugging techniques.
  • Strong knowledge / experience in the area of communication protocols at all layers, such as I2C, SPI, USART, TCP/IP, BLE.
  • Experience with relevant technologies, such as BLE and IoT, hardware debug, sensors, ultra low power/ultra small footprint firmware design, is a plus.
  • Familiarity with major stages of the software development cycle, including requirements generation, construction, design, implementation, and test.

Bonus Points

We don’t expect you to know all of these things, but relevant experience is a great bonus.

  • Experience in Bluetooth Smart/Low Energy is a strong plus.
  • Experience with BLE ICs from vendors such as SILabs, Nordic Semiconductors, Texas Instruments and EM Microelectronics.
  • Knowledge of RTOS.
  • Hands on knowledge in electrical circuit, board schematic.
  • Experience in using lab instruments.

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