Only W2 / 1099 Contract | Senior Firmware Engineer | Long Term Contract | Onsite Mahwah, NJ

Senior Firmware Engineer | Long Term Contract | Onsite Mahwah, NJ

Senior Firmware Engineer

Location: Mahwah, NJ (Onsite)
Job Type: Long Term Contract

We are seeking an experienced Senior Firmware Engineer to support the development of next-generation connected embedded products. This role requires strong expertise in low-level firmware development, hardware troubleshooting, board bring-up, and embedded system architecture within a fast-paced product engineering environment.

The ideal candidate will have deep hands-on experience with embedded firmware, ARM-based microcontrollers, RTOS, wireless communication protocols, and hardware debugging tools.

Key Responsibilities

• Design, develop, and maintain embedded firmware for connected electronic products
• Collaborate with cross-functional engineering teams to define requirements and implement new features
• Develop scalable, maintainable, and high-performance firmware solutions using C/C++
• Perform board bring-up, hardware validation, debugging, and troubleshooting
• Contribute to system architecture, performance optimization, and technical design decisions
• Implement unit testing, integration testing, and participate in code reviews
• Debug and resolve firmware and hardware-related issues
• Support CI/CD processes, deployment automation, and firmware release activities
• Participate in Agile/Scrum ceremonies including sprint planning, standups, and backlog grooming

Required Qualifications

• Bachelor s degree in Electrical Engineering, Computer Engineering, or related field
• 10+ years of embedded firmware development experience
• Strong experience with 32-bit ARM microcontrollers
• Expert-level programming skills in C/C++
• Strong hands-on experience with hardware troubleshooting and board bring-up
• Experience with communication protocols such as UART, SPI, and I2C
• Solid understanding of RTOS, wireless technologies, and embedded hardware systems
• Experience using debugging and validation tools such as oscilloscopes, logic analyzers, JTAG, and spectrum analyzers
• Experience with Git, Jira, Confluence, and software development best practices
• Strong communication and collaboration skills

Preferred Skills

• Experience with bootloaders and OTA firmware updates
• Knowledge of Wi-Fi/Bluetooth communication and TCP/IP networking
• Experience with IoT devices and ESP-based modules
• Familiarity with LCD/display integration
• Exposure to cloud-connected embedded systems and Docker environments
• Experience working in Agile/Scrum development environments