Sobre esta vaga de Embedded Firmware Engineer na Octoenergy
Octoenergy · Híbrido · Remote (GB)
Octopus are pioneering new smart home technology and we are looking to continue to grow our highly passionate team.
We’re looking for a skilled Embedded Firmware Engineer specialising in IoT products to shape the software driving our next generation of Smart Home Wi-Fi connected products. Working within our multi-talented hardware team, you’ll help build innovative, energy-saving smart devices that keep homes warm and lower energy bills.
Collaborating across platform and app engineering teams, you will drive the firmware lifecycle from taking initial requirements to hands-on development and ongoing field deployment.
This role can be majority remote with occasional travel to London and Slough!
If you want to be a part of the next big thing - keep reading!
What you'll do
What you'll need
- Proficiency in C for real-time operation on highly constrained microcontrollers and custom hardware using official vendor APIs
- Hands-on experience with Real-Time Operating Systems (RTOS), such as FreeRTOS
- Fluency in scripting languages (e.g., Python, Bash) and version control using Git
- Ability to read schematics and data sheets for hardware and software debugging
- Practical knowledge of common serial protocols (e.g., SPI, I2C, UART, RS232, Modbus) and networking fundamentals (e.g., MAC, IP, TCP, TLS, DHCP)
- Familiarity with IoT security technologies, such as secure boot, encrypted flash, TLS, and public key cryptography
- Hands-on experience with board bring-up, design validation, code optimization, and debugging via JTAG/SWD or test equipment (e.g., oscilloscopes, multimeters, logic analyzers)
- B.S. in Computer Science, Electronic Engineering, or a related field
Nice to haves
- Hands-on experience with the ESP32 family and ESP-IDF
- Background building IoT products with cloud platforms (e.g., AWS IoT)
- Experience implementing OTA firmware updates within automated build environments
- Exposure to short-range wireless protocols including BLE, Wi-Fi, or Zigbee
- Proven experience delivering connected IoT devices within complex, multi-system ecosystems
Why else you'll love it here
• Wondering what the salary for this role is? Just ask us! On a call with one of our recruiters it's something we always cover as we genuinely want to match your experience with the correct salary. The reason why we don't advertise is because we honestly have a degree of flexibility and would never want salary to be a reason why someone doesn't apply to Octopus - what's more important to us is finding the right octofit!
• Octopus Energy Group is a unique culture. An organisation where people learn, decide, and build quicker. Where people work with autonomy, alongside a wide range of amazing co-owners, on projects that break new ground. We want your hard work to be rewarded with perks you actually care about! We were named the UK's top company to work for in 2025, and we ranked in the top ten in the Sunday Times Best Places to Work 2026. Our Group CEO, Greg has recorded a podcast about our culture and how we empower our people. We’ve also been placed in the top 10 companies for senior leadership
• Visit our UK perks hub - Octopus Employee Benefits
If this sounds like you then we'd love to hear from you, tell us what you care about, why Octopus feels right and most importantly, bring us the real you! Applying for jobs can be a bit scary so have a nose through some of our tips first 🚀
P.S. Our process usually takes up to 4 weeks, but we’ll always do our best to flex around what works for you. Along the way, you’ll chat with our recruitment team and your Recruiter will help you throughout different stages. Got any burning questions before then? Drop us a message at [email protected] and we’d love to help!
Are you ready for a career with us? We want to ensure you have all the tools and environment you need to unleash your potential. Need any specific accommodations? Whether you require specific accommodations or have a unique preference, let us know, and we'll do what we can to customise your interview process for comfort and maximum magic!
Studies have shown that some groups of people, like women, are less likely to apply to a role unless they meet 100% of the job requirements. Whoever you are, if you like one of our jobs, we encourage you to apply as you might just be the candidate we hire. Across Octopus, we're looking for genuinely decent people who are honest and empathetic. Our people are our strongest asset and the unique skills and perspectives people bring to the team are the driving force of our success. As an equal opportunity employer, we do not discriminate on the basis of any protected attribute. Our commitment is to provide equal opportunities, an inclusive work environment, and fairness for everyone.
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