Job Description

Purpose of this role

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The Senior Firmware Engineer is an individual technical contributor role, the primary purpose of which is to increase our skills and capacity to

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- Develop firmware for application solutions that incorporate Flusso sensors, typically on ARM-based microcontrollers or ASIC cores
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- Support the development of new sensing algorithms
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- Port firmware to new processor variants or families.
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Our products are being integrated into medical devices, so our firmware is developed to the following standards: IEC 62304, ISO 14971 and BS EN 60601-1.

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Experience with development of Windows GUI applications for product evaluation kits would be an advantage in the role but is not essential.

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Responsibilities

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All software and firmware development is carried out in accordance with the Flusso quality management system (QMS) and specifically the Software Development and Release Management Process.

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General software and firmware development

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- Collaboration with colleagues in Test and Applications Engineering, Hardware Design and Data Science to define cost-effective sensing Solution Architectures for target applications.
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- Requirements capture/analysis, specification, design, implementation (with rigorous source code management), design reviews, code reviews, unit-testing and debug.
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- Creation of internal releases for the Test Engineering team and investigation and resolution of issues uncovered during in-house testing
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- Documentation for both internal and external use
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- Contribution to continual improvement of our software development processes and quality standards
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Firmware for sensor product and application solutions

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Application solutions with Flusso sensor products (semiconductor/MEMS components) require firmware that runs on a standard microcontroller (MCU) or a processor core in an ASIC.

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Sensing solution firmware development responsibilities include

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- Design and development of code that implements functionality and interfaces of the agreed Solution Architecture.
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- Participate in safety DFMEA and HAZOP processes
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- Optimisation of code and creation of builds for sensor component and application circuit variants.
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- Porting firmware to new target processors and/or application designs
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Evaluation kit USB interface adapter firmware

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We provide evaluation kits for prospective customers of Flusso products, typically:

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- A sensor electronics module with the sensor, application circuit and firmware
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- A flow or gas fixture that the sensor module is attached to
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- A USB to I2C or CAN interface adapter for connecting to a host PC, with firmware running on a microcontroller that supports those interfaces
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- A Windows 10 GUI application that gives the user an easy way to evaluate the Flusso product. Our current generation is written in C# using WPF.
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The Senior Firmware Engineer will contribute to development of firmware for interface adapters and could work on PC-based GUIs too (depending on experience).

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Design-in support

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- When required, support Systems and Applications Engineers helping customers with firmware integration
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- Assimilate feedback from customer engagement for improvement of software and firmware
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Qualification, knowledge, skills and experience

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A bachelor's degree in an engineering or science subject is a prerequisite.

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Essential knowledge, skills and experience:

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- Development of real-time firmware – in C – for ARM-based microcontrollers or ASICs, typically using ADCs, DACs and interfaces such as I2C, SPI and CAN.
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- One or more of the main microcontroller families such as STM32 and EFM32




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- Use of source code management systems (we use git)
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- Use of tools such as Keil, IAR, STM32CubeMX and Eclipse/gnu.
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- Debugging using JTAG interface adapters and test equipment such as oscilloscopes and logic analysers
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- Automated testing of firmware builds for multiple targets, covering new product solutions, current features, performance enhancements and regression testing.
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- Regression testing updates to existing sensing solutions on multiple targets
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- Programming in Python
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- Working to software lifecycle quality processes in an ISO9001 framework
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Not essential, but would be an strong advantage:

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- Development of firmware for functional‐safety applications
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- Development of firmware specifically for sensing solutions or applications
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- Development of firmware for automotive or medical applications
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- Experience with continuous integration (CI) systems
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- Development of Windows 11 GUI applications in C# or Python (e.g. PyQT)
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Profile

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- Motivated by timely delivery to high quality standards.
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- Detail conscious, rigorous and meticulous.
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- Comfortable working in a fast-paced development environment.
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- Pro‐active, positive and enthusiastic by nature.
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- Good at multi‐tasking and responsive to changing needs of projects.
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- Timely and accurate documentation and communication skills
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- Base salary
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- Bonus (% of base salary) based on company and personal performance
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- Workplace pension contribution 3% of full base salary (we can trade with salary level for higher)
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- Bupa Cash Plan Level 3 (employee only)
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- Private Medical insurance with cover for spouse/partner and dependent children
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- Group Life Insurance covers up to 4 x salary
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- 25 days holiday plus bank holidays (adjusted for part time roles)
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- Support for relocation (loan discharged over two years service)
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- Hybrid home/office working, by agreement with line manager
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📌 Senior Firmware Engineer (Seven Mile Beach)
🏢 Flusso
📍 Seven Mile Beach