Senior Firmware Engineer

Purpose of this role The Senior Firmware Engineer is an individual technical contributor role, the primary purpose of which is to increase our skills and capacity to Develop firmware for application solutions that incorporate Flusso sensors, typically on ARM-based microcontrollers or ASIC coresSupport the development of new sensing algorithmsPort firmware to new processor variants or families. 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. Experience with development of Windows GUI applications for product evaluation kits would be an advantage in the role but is not essential. Responsibilities 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. General software and firmware development Collaboration with colleagues in Test and Applications Engineering, Hardware Design and Data Science to define cost-effective sensing Solution Architectures for target applications.Requirements capture/analysis, specification, design, implementation (with rigorous source code management), design reviews, code reviews, unit-testing and debug.Creation of internal releases for the Test Engineering team and investigation and resolution of issues uncovered during in-house testingDocumentation for both internal and external useContribution to continual improvement of our software development processes and quality standards Firmware for sensor product and application solutions 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. Sensing Solution Firmware Development Responsibilities Include Design and development of code that implements functionality and interfaces of the agreed Solution Architecture.Participate in safety DFMEA and HAZOP processesOptimisation of code and creation of builds for sensor component and application circuit variants.Porting firmware to new target processors and/or application designs Evaluation kit USB interface adapter firmware We provide evaluation kits for prospective customers of Flusso products, typically: A sensor electronics module with the sensor, application circuit and firmwareA flow or gas fixture that the sensor module is attached toA USB to I2C or CAN interface adapter for connecting to a host PC, with firmware running on a microcontroller that supports those interfacesA 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. The Senior Firmware Engineer will contribute to development of firmware for interface adapters and could work on PC-based GUIs too (depending on experience). Design-in support When required, support Systems and Applications Engineers helping customers with firmware integrationAssimilate feedback from customer engagement for improvement of software and firmware Requirements Qualification, knowledge, skills and experience A bachelor’s degree in an engineering or science subject is a prerequisite. Essential Knowledge, Skills And Experience 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.One or more of the main microcontroller families such as STM32 and EFM32Use of source code management systems (we use git)Use of tools such as Keil, IAR, STM32CubeMX and Eclipse/gnu.Debugging using JTAG interface adapters and test equipment such as oscilloscopes and logic analysersAutomated testing of firmware builds for multiple targets, covering new product solutions, new features, performance enhancements and regression testing.Regression testing updates to existing sensing solutions on multiple targetsProgramming in PythonWorking to software lifecycle quality processes in an ISO9001 framework Not Essential, But Would Be An Strong Advantage Development of firmware for functional-safety applicationsDevelopment of firmware specifically for sensing solutions or applicationsDevelopment of firmware for automotive or medical applicationsExperience with continuous integration (CI) systemsDevelopment of Windows 11 GUI applications in C# or Python (e.g. PyQT) Profile Motivated by timely delivery to high quality standards.Detail conscious, rigorous and meticulous.Comfortable working in a fast-paced development environment.Pro-active, positive and enthusiastic by nature.Good at multi-tasking and responsive to changing needs of projects.Timely and accurate documentation and communication skills Benefits Base salary Bonus (% of base salary) based on company and personal performanceWorkplace pension contribution 3% of full base salary (we can trade with salary level for higher)Bupa Cash Plan Level 3 (employee only)Private Medical insurance with cover for spouse/partner and dependent childrenGroup Life Insurance covers up to 4 x salary25 days holiday plus bank holidays (adjusted for part time roles) Support for relocation (loan discharged over two years service) Hybrid home/office working, by agreement with line manager