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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Embedded Software Engineer (Battery Systems) - **Company:** Allye Energy - **Location:** Ruislip, UK - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Testing (Software), Data Analysis, Software Applications, Arduino, Unit Testing, C++ (Programming Language), CAN Bus, Capability Maturity Model Integration, Communications Protocols, Software Debugging, Embedded C, Linux on Embedded Systems, Middleware, Embedded Software, Firmware, Field-Programmable Gate Array (FPGA), Hardware Design, Python (Programming Language), MATLAB, Mercurial, MISRA C (C Programming Language), Modbus, MongoDB, Software Maintenance, Raspberry Pi, ISO/IEC 15504, Software Licensing Audit, Software Engineering, Subversion, System on a Chip, Systems Integration, Universal Asynchronous Receiver/Transmitter, PIC Microcontroller, Git, Codebase, Software Version Control - **Published:** August 26, 2026 - **Apply:** https://www.collegerecruiter.com/job/2815165975-embedded-software-engineer-battery-systems ## About the Role * Degree in Electronics Engineering, or equivalent electronics knowledge * Minimum 3 years of experience in software development for embedded systems; direct experience working on BMS firmware is a plus * Must be able to design firmware systems as well as modifying existing codebases * Proficient in configuring lower layer modules including drivers, as well as Raspberry Pi, Arduino * Demonstrable expertise in Matlab/Simulink * Experience with electronics hardware (PCB) design * Programming: Python, Embedded C/C++ for embedded systems in real-time control applications * Familiarity with software compliance standards such as MISRA, ISO 26262, CMMI, ASPICE, UL1998 * Knowledge of device control and communication protocols such as Modbus, CANbus, and UART * Ability to troubleshoot, debug and improve firmware and electronics * Ability to write drivers for new peripherals and communications methods * Must be self-motivated and an effective team player. * Eligible to work in the UK Nice-to-haves * Familiarity microcontrollers/System on Chip architectures * Familiarity with real-time control and bootloaders * Familiarity with FPGA for high-speed development * Experience with unit testing and other software testing is desirable. * Applications software programming for helper programs and internal product-testing software. * Experience using version control or lifecycle tools such as TFVC, CVS, SVN, Mercurial, git etc. * Experience with electronics hardware (PCB) design ## Description Company Description At Allye, our innovative smart energy storage systems are redefining the way batteries are designed, connected, distributed, and utilised to the grid. Flexible and modular, our systems are intelligently managed, making energy storage more affordable and accessible for everyone. Job Description Are you an Embedded Systems, Controls Engineer or an Electronics Engineer with a controls and firmware background in electric vehicles, batteries or energy storage? This is a unique opportunity to join a fast-growing London based start-up that is creating an all-new range of battery storage systems for both commercial and consumer markets. You will be responsible for developing and managing our embedded systems. You will design and develop complex platform software (low level and middleware) for control systems. Responsibilities * Implement and maintain software for microcontrollers, and Linux embedded systems * Develop a software integration process, debugging, software maintenance, and version management. * Managing the requirements of embedded projects, ensuring reliability and compatibility across our product line * Integrating advanced battery estimation and control algorithms in diverse hardware platforms. * Supporting the development of new battery state estimation and control methods * Optimise firmware for maximum performance, reliability and efficiency * Design and development of firmware related to custom battery packs * Control of battery management and protection circuits * Developing complex driver, OTA, and other functions as needed * Supporting Battery Engineers in development of the product designs * Develop product validation test programs to ensure robustness of design * Develop the software development lifecycle * Work in a multi-disciplinary research, development, and engineering environment Data analysis and familiarity with Mongo or similar platforms are also part of the role. Qualifications Must-haves * Degree in Electronics Engineering, or equivalent electronics knowledge * Minimum 3 years of experience in software development for embedded systems; direct experience working on BMS firmware is a plus * Must be able to design firmware systems as well as modifying existing codebases * Proficient in configuring lower layer modules including drivers, as well as Raspberry Pi, Arduino * Demonstrable expertise in Matlab/Simulink * Experience with electronics hardware (PCB) design * Programming: Python, Embedded C/C++ for embedded systems in real-time control applications * Familiarity with software compliance standards such as MISRA, ISO 26262, CMMI, ASPICE, UL1998 * Knowledge of device control and communication protocols such as Modbus, CANbus, and UART * Ability to troubleshoot, debug and improve firmware and electronics * Ability to write drivers for new peripherals and communications methods * Must be self-motivated and an effective team player. * Eligible to work in the UK Nice-to-haves * Familiarity microcontrollers/System on Chip architectures * Familiarity with real-time control and bootloaders * Familiarity with FPGA for high-speed development * Experience with unit testing and other software testing is desirable. * Applications software programming for helper programs and internal product-testing software. * Experience using version control or lifecycle tools such as TFVC, CVS, SVN, Mercurial, git etc. * Experience with electronics hardware (PCB) design Additional Information Please note that at this time we are unable to provide UK visa sponsorship Strictly No Agencies ## Related Videos - [Building a hypercar from scratch](https://www.wearedevelopers.com/videos/607-building-a-hypercar-from-scratch) - [Optimizing Land-Based Fish Feeding with Node-RED](https://www.wearedevelopers.com/videos/2032-optimizing-land-based-fish-feeding-with-node-red) - [Leveraging Large Language Models for Legacy Code Translation: Challenges and Solutions](https://www.wearedevelopers.com/videos/1157-leveraging-large-language-models-for-legacy-code-translation-challenges-and-solutions) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Software stack under and over the hood of the fastest accelerating car in the world](https://www.wearedevelopers.com/videos/221-software-stack-under-and-over-the-hood-of-the-fastest-accelerating-car-in-the-world) - [Enabling intelligent logistics automation: home-grown Industrial IoT platform at Austrian Post](https://www.wearedevelopers.com/videos/2018-enabling-intelligent-logistics-automation-home-grown-industrial-iot-platform-at-austrian-post) ## Related Articles - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [How software is steering vehicle technology](https://www.wearedevelopers.com/magazine/515-how-software-is-steering-vehicle-technology) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers)