Firmware Engineer
Metalight Solutions Inc
2 days ago
Role details
Contract type
Permanent contract Employment type
Full-time (> 32 hours) Working hours
Regular working hours Languages
English Experience level
SeniorJob location
Tech stack
API
Agile Methodologies
JIRA
Booting (BIOS)
Profiling
Computer Programming
Continuous Integration
Software Debugging
Device Drivers
Firmware
Modbus
Message Queuing Telemetry Transport (MQTT)
Network Protocols
Real-Time Operating Systems
Memory Leaks
RS-232
RSA (Cryptosystem)
Serial Communications
Software Engineering
TCP/IP
Wi-Fi Technology
Multithreading
Serial Peripheral Interface
PIC Microcontroller
Bare Metal
Wireless Technologies
U-Boot
Jenkins
Job description
- Architect robust, secure IoT systems while balancing trade-offs between cost, power, and performance.
- Direct the end-to-end firmware lifecycle, ensuring scalability and design reliability.
- Lead Over-the-Air (OTA) update strategies for secure post-deployment features.
- Ensure product adherence to global wireless and security standards (FCC, CE, RED).
- Translate product requirements into task breakdowns, effort estimations, and execution plans.
- Manage communication and delivery expectations with cross-functional teams and external partners/vendors.
- Oversee factory-test firmware and partner with manufacturers on products.
- Maintain high-quality architecture diagrams, API specs, and internal knowledge bases.
- Utilize Jira/Agile workflows to track milestones and report technical health to leadership.
- Conduct technical risk assessments and track to project progress.
Requirements
- Expertise in C and C++ programming for microprocessor, microcontroller, and SoC architectures
- Expertise in bare metal, Deep knowledge of RTOS, device drivers, and multi-threaded application development
- Experience in wireless technologies such as Wi-Fi, BLE, Threads, Matter, and Sub-GHz
- Experience in networking protocols such as TCP/IP, UDP, Secure MQTT, HTTPS, and Amazon Sidewalk
- Expertise in secure IoT cloud communication and integration
- Experience in serial communication interfaces such as RS-485, RS-232, I2C, SPI, and MODBUS
- Expertise in Bootloader, Secure boot, RAND, ECC, RSA, and Power modes for MCU platforms
- Experience with debugging tools such as GDB, J-Link, and static code analyzers
- Experience with various HW platforms bring-up and debugging using DSO, Logic analyzer, and Power profiling tools
- Proficiency with CI/CD automation tools and workflows, specifically including Jenkins
Soft Skills:
- Ability to weigh technical trade-offs against cost, time, and reliability.
- Strong problem-solving skills for resolving race conditions, memory leaks, and concurrency issues.
- Effective at presenting technical status to management and collaborating with cross-functional hardware teams.