Lead Firmware Engineer/Architect

Lead Firmware Engineer/Architect

Contract Type:

Contract to Hire

Location:

Falmouth - MA

Industry:

Information Technology

Contact Name:

Colin Reposa

Contact Email:

creposa@dewintergroup.com

Contact Phone:

(415) 882-9002

Date Published:

10-08-2025

Salary:

$50.00 - $100.00 Per Hour

Job ID:

37679

Job Title: Senior Firmware Engineer / Firmware Lead
Job Type:  Contract-to-Hire or Permanent
Target Start Date: ASAP
Work Location/Structure: Greater Boston Area preferred (Hybrid or Remote OK with significant overlap in EST)

About the Opportunity:

Our client, a leader in hardware startups, is looking for a skilled Senior Firmware Engineer / Firmware Lead to join their team for a Full-time or Contract-to-Hire engagement. This project involves owning embedded systems development from architecture to deployment for next-generation connected audio and sensor devices. This is a high-impact role that requires a self-motivated professional who can hit the ground running and deliver results quickly.

Key Responsibilities & Deliverables:

This role is focused on the successful completion of specific tasks and deliverables. Your responsibilities will include:
  • Architecting and developing embedded firmware for low-power wireless systems (BLE, RF, STM32).
  • Leading system design decisions, design reviews, and maintaining high code quality standards.
  • Owning the firmware lifecycle: requirements, architecture, implementation, testing, and integration.
  • Guiding and coordinating offshore contract engineers (India, Argentina).
  • Collaborating with hardware, software, and manufacturing teams for seamless integration.
  • Debugging, troubleshooting, and optimizing firmware across complex hardware systems.
  • Implementing automation and tooling to improve firmware reliability.
Required Skills & Experience:

We are looking for someone with a proven track record of successful contract engagements. The ideal candidate will have:
  • 8+ years of experience in embedded systems or firmware development.
  • Deep expertise in C/C++ programming and low-level debugging experience, and experience with STMicroelectronics (STM32), Silicon Labs, or comparable MCUs.
  • Demonstrated ability to work autonomously and manage your own time effectively to meet project goals.
  • Experience with wireless communication systems (BLE, RF, Wi-Fi, Quectel, etc.).
  • Strong communication skills to provide clear and concise status updates to the project team.
  • Proven track record of firmware architecture or technical ownership.
  • Strong understanding of timing constraints, interrupts, memory optimization, and real-time systems.
  • Hands-on experience with oscilloscopes, logic analyzers, and embedded toolchains.
  • Self-starter with the ability to operate independently in a startup setting.

DeWinter Group and Maris Consulting  is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. We post pay scales which are based on our client pay ranges. DeWinter, Maris, and our clients have the right to modify the requirements of the role which can impact the pay ranges posted.

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