Senior Firmware Engineer
📌London Area, United Kingdom 🇬🇧
⏱︎ full-time
🧙♂️ senior
About Hypervolt
Hypervolt is at the forefront of the energy transition and is dedicated to providing innovative and reliable EV charging and grid management solutions. We launched in 2021 with the bold ambition to accelerate EV adoption by relentlessly focusing on the customer experience, great software, and beautifully designed hardware.
In a short timeframe, we became Trustpilot's highest rated EV charging manufacturer in the industry . We are proud to have been named the third fastest growing company in the UK, as part of the Deloitte Fast 50, and the 6th fastest growing company in EMEA, as part of the Deloitte Fast 500.
Responsibilities:
- Design, develop, and optimise embedded firmware for V2G systems
- Integrate and manage peripherals essential for V2G operation, including ISO 15118/IEC 61851, SPI, I2C, RS-485, and Ethernet (IPv6 stack support).
- Develop firmware for high-volume V2G products with a focus on grid compliance, scalability, maintainability, and over-the-air upgradability.
- Collaborate closely with hardware, power electronics, and compliance teams to ensure firmware is aligned with electrical safety, EMC, and grid certification requirements (e.g. G98/G99, UL).
- Conduct in-depth debugging using Wireshark, logic/protocol analysers, and power analysers in a real-world EV and grid-connected context.
- Support factory test firmware and diagnostics to ensure reliable mass production of V2G-enabled hardware.
- Document firmware design, architecture, communication protocols, and regulatory considerations for internal and external stakeholders.
Qualifications:
- Solid experience in firmware development for embedded systems, ideally in energy or power electronics applications.
- Deep understanding of the Linux TCP/IP stack
- Proficient in embedded C/C++, with strong skills in optimising for low-latency and deterministic behaviour.
- (nice to have) Strong understanding of MCU peripherals and protocols used in EV and smart grid integration (CAN, UART, SPI, Ethernet, RS-485).
- Demonstrated ability to work across cross-functional teams, especially with power engineers, test engineers, and compliance teams.
- Experience developing production-ready firmware for mass-manufactured products, with attention to robustness, diagnostics, and lifecycle management.
- Competent with debugging tools: oscilloscopes, logic analysers, protocol analysers (CAN, Modbus, etc.).
- Familiarity with version control (Git) and CI/CD workflows for embedded projects
- Experience with Vehicle-to-Grid communication protocols such as ISO 15118, OCPP, or IEC 61850.
- Exposure to embedded Linux environments (Yocto) and integration of V2G edge devices with cloud backends.
- Scripting skills in Python for test automation, validation, or production line support.
- Background in energy metering (active/reactive power), grid synchronisation (PLL), and safety-critical firmware development (ASIL, SIL, etc.).
Senior Embedded Software Engineer
@ Embedd 
What we're looking for
At embedd.it, we power hardware-software integration in embedded devices. We turn fragmented semiconductor chip data into configurable digital twins, then deterministically generate code, tests, and documentation – making integration faster, cheaper, and resilient to supply chain shocks.
We’re looking for a true legend – someone with abstract thinking and deep expertise in low-level software development. You’ll build vendor-agnostic tooling for MCU and peripheral integration to solve hardware-software integration once and for all. We work at the intersection of embedded systems, code generation, compilers, and machine learning. It’s your chance to help redefine how low-level development is done.
Responsibilities
- Drive the architecture of the driver structures and system layout
- Define scalable patterns for cross-architectural integration across bare-metal, Zephyr, Linux, and other environments
- Deconstruct complex SoC device trees and translate hardware descriptions into structured internal models for automated reasoning
- Partner with the ML team to shape data and annotation models for AI-driven data-extraction tooling
Qualifications
- 5+ years of experience in embedded systems development, including bare-metal and RTOS-based systems
- Proficiency in C/C++
- Familiarity with firmware configuration, SoC bring-up, and system-level debugging
- Hands-on experience with code generation tools, or low-level compiler/decompiler/emulator technologies
- Strong background in embedded toolchains: compilers, linkers, debuggers, and build systems
- Python or scripting for automation and tooling is a plus
- Experience with functional-safety standards is a plus
Why embedd.it?
- Dynamic, venture-backed team of engineers challenging the status quo 🚀
- Work at the intersection of embedded systems, code generators, compilers, and ML 🤖
- Unusual challenges requiring out-of-the-box abstract thinking 🧠
- Competitive compensation: cash + equity 💰
- Remote work possible 🌍
About Us
embedd.it is a UK-based startup reinventing embedded development. Our platform transforms unstructured semiconductor data into structured digital twins, enabling automatic generation of drivers, tests, and documentation. We're building a single, traceable source of truth to make integration fast, vendor-agnostic, and future-proof.
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