Embedded Software Engineer

Zepto Life Technology•Saint Paul, MN

1d•$85,000 - $110,000•Onsite

About The Position

Zepto Life Technology is seeking an experienced and highly motivated Embedded Software Engineer to lead the design, development, and lifecycle management of embedded firmware for our next-generation molecular diagnostic instrumentation. This individual will serve as the technical owner of the instrument's embedded software platform, developing firmware that controls hardware operation, acquires and processes data, manages instrument workflows, and enables communication between the electronics and higher-level software applications. The ideal candidate has extensive experience developing embedded systems for complex instruments and enjoys collaborating closely with electrical, software, assay, and systems engineers to bring innovative medical devices from concept through commercialization.

Requirements

Bachelor's degree in Computer Engineering, Electrical Engineering, Computer Science, Software Engineering, or a closely related discipline.
Minimum five (5) years of professional experience designing electronic hardware.
Strong proficiency in C and C++ programming for embedded systems.
Experience working with hardware vendor-provided IDEs and their programming or assembly language for embedded system prototyping and troubleshooting.
Experience developing firmware for microcontrollers, processors, or embedded Linux platforms.
Experience developing low-level hardware drivers and hardware abstraction layers (HAL).
Experience with embedded debugging tools, oscilloscopes, logic analyzers, and JTAG/SWD debuggers.
Experience implementing multithreaded or real-time embedded systems.
Strong troubleshooting and root cause analysis skills.
Experience using Git or other source code management systems.
Strong technical writing and documentation skills.
Demonstrated ability to independently manage complex engineering projects.

Nice To Haves

Master's degree in Computer Engineering, Electrical Engineering, Computer Science, or related discipline.
Medical device development experience.
Experience supporting FDA-regulated product development.
Experience with molecular diagnostic or life science instrumentation.
Experience developing sensor-based electronic systems.
Familiarity with Giant Magnetoresistance (GMR) sensor technology.
Experience with Python or scripting languages for automation and testing.

Responsibilities

Serve as the technical owner of the embedded software and firmware architecture for Zepto's GMR diagnostic platform.
Design, develop, test, and maintain embedded firmware supporting instrument operation and control.
Develop low-level device drivers and hardware abstraction layers (HAL) for sensors, processors, peripherals, and communication interfaces.
Design firmware architecture that is scalable, maintainable, and compliant with medical device software development practices.
Define and implement instrument workflows, operational sequences, state machines, and timing logic.
Develop firmware supporting system startup, initialization, calibration, diagnostics, assay execution, error handling, and shutdown.
Design and optimize data acquisition, data buffering, data validation, and communication between embedded firmware and application software.
Collaborate with software engineering teams to define APIs, communication protocols, command structures, and software interfaces.
Collaborate closely with the Senior Electrical Systems Engineer during hardware bring-up, board validation, and system integration.
Implement firmware supporting GMR sensor data acquisition and signal processing algorithms.
Troubleshoot embedded software, firmware, and hardware integration issues using oscilloscopes, logic analyzers, debuggers, and other engineering tools.
Perform root cause analysis and implement corrective actions for software and system-level issues.
Develop and execute unit testing, integration testing, system testing, and software verification activities.
Develop and maintain software design documentation, architecture documents, software requirements, verification protocols, and technical records.
Support software risk management activities including Software FMEA, hazard analysis, and cybersecurity risk assessments where applicable.
Support FDA submissions by preparing software documentation required for Design Controls, Design History Files (DHF), and software lifecycle documentation.
Collaborate with Quality Assurance and Regulatory Affairs to ensure compliance with FDA Quality Management System Regulation and other applicable standards.
Participate in design reviews and provide technical leadership for embedded software architecture and best practices.
Perform other duties and special projects as assigned.