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Embedded/Firmware Engineer

FUSTIS LLC
Lexington, MA Contractor
POSTED ON 6/8/2026 CLOSED ON 6/12/2026

What are the responsibilities and job description for the Embedded/Firmware Engineer position at FUSTIS LLC?

Senior Embedded Firmware Engineer

Location: Lexington, MA (100% Onsite)

Duration: 6–12 Month Contract

Citizenship Requirement: US Citizens Only

Pay Rate: $60-$65/hr. on 1099


Position Overview

  • We are seeking a high-caliber Senior Embedded Firmware Engineer for a full-lifecycle development role within our fast-paced, small-team environment. In this role, you will drive the development, testing, and delivery of safety-critical firmware for next-generation medical devices.
  • The ideal candidate thrives in an agile, multitasking environment, possesses deep expertise in ARM Cortex-M4 architectures, and has a proven track record of delivering software compliant with IEC 62304 standards.


Required Qualifications & Skills

Technical Expertise

  • Microcontrollers: Extensive hands-on experience developing for ARM Cortex-M4 processors.
  • Languages: Mastery of C and C for embedded systems, alongside proficiency in Python for scripting and test automation.
  • Hardware Interface: Strong experience writing low-level device drivers and interfacing with hardware peripherals (e.g., SPI, I2C, UART, ADC/DAC).

Salary : $60 - $65

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