Sr Embedded Software Engineer

Praxy; Acton, Northern (MA, KY); Hybrid; USD 120,000 - 150,000; Full time

Job summary

Praxy in Acton, MA is seeking a Sr Embedded Software Engineer to join a New Product Development team designing and implementing software for next generation devices on hybrid Cortex-M/Cortex-A platforms.

You will develop embedded software across drivers, alarm handling, connectivity, and validation, create UML diagrams, participate in design reviews, and lead cross-functional communication with geographically distributed teams, while maintaining FDA-compliant documentation.

Qualifications

• BS in Computer Science, Electrical Engineering or equivalent.
• 8+ years engineering experience (or advanced degree plus 6 years).
• Experience with Cortex-M and Cortex-A platforms.
• Strong C/C++ and scripting skills (Python/Perl/Ruby).
• Familiarity with FDA software development guidelines or safety-critical devices.

Responsibilities

• Design, implement, and document embedded software for hybrid MCU platforms.
• Develop drivers, alarm handling, connectivity and validation tests.
• Create requirements/specifications and UML diagrams.
• Lead peer design/code reviews and cross-functional collaboration.
• Prepare compliant documentation for audits and regulatory needs.

Skills

C/C++

Scripting (Python/Perl/Ruby)

RTOS

State machines

Multithreading

CAN/CANopen

Git/Jenkins

Documentation

FDA guidelines

Team leadership

Education

BS in CS/EE

Tools

Keil/IAR

Git

JTAG

CANopen tools

UML

Job description

We are looking for a Sr Embedded Software Engineer to work as part of a New Product Development team tasked with designing and implementing new technology and features into the next generation of software driven products. In this role, you will work with a multidisciplinary team (Electrical, Mechanical and Software) to design, implement and document software to run on a hybrid embedded platform consisting of both Cortex-M and Cortex-A processors. Specific Duties and Responsibilities: Develop software in multiple levels / areas, including embedded processing/driver development, alarm handling, connectivity, etc. Create requirements and specification documents. Create and execute unit tests as part of software validation efforts. Integrate applications using components developed in-house and 3rd party libraries. Document the design using UML diagrams (collaboration diagram, sequence diagram, state diagram). Implement software for embedded systems following defined requirements and coding conventions. Create and execute unit tests as part of software validation efforts. Participate in peer design and code reviews. Goal-oriented, self-motivated and able to be productive with very little supervision. Able to be successful in a schedule-driven, fast paced, dynamic environment. Must have good communication skills both written and verbal. Ability to lead and facilitate communication between geographically diverse team of developers. C and/or C++ Language Skills. Perl/Python/Ruby or similar Scripting Language Skills. Understanding of concurrency concepts and techniques (multithreading, locking, semaphores). Knowledge of State Machine based MCU software development (Quantum Leaps preferred). Experience with and knowledge pertaining to Real-Time Operating Systems (Micrium uC/OS-II preferred). Solid understanding of fundamental algorithms (sorting, searching) and data structures (heaps, queues) Knowledge of embedded software such as: Interrupts, ADCs, Motor Control, USB, UART, SPI, I2C, RS-485. Knowledge of CAN bus and CANopen protocols. Multi-processor system-level testing and integration. Experience with STMicroelectronics Cortex-M based microcontroller development or similar microcontroller architectures (ARM, PPC, MIPS, IA-32) . Keil, IAR, Seeger, etc. development environment. Hardware tool usage: logic analyzer, oscilloscope, DMM, JTAG debuggers or similar debugging tools. Schematic and datasheet usage in debugging prototypes. Knowledge of Atlassian JIRA based issue tracking. Git version control or similar. Continuous integration tools with Jenkins. Strong documentation skills to generate compliant documents for FDA audits. Education: BS in Computer Science engineering, Electrical Engineering or equivalent technical degree. 8+ years of engineering experience (or advanced degree plus 6 years) Specialized Knowledge: Medical device experience a strong plus, including familiarity with FDA Software Development Guidelines, or other safety critical device development experience