Embedded Software Engineer

Embedded Software Engineer

Full-Time 45000 - 55000 ÂŁ / year (est.) No home office possible
Plessey Semiconductors Ltd

At a Glance

  • Tasks: Design and develop embedded firmware for next-gen display technologies.
  • Company: Join Plessey, a leader in microLED innovation with a collaborative culture.
  • Benefits: Competitive salary, growth opportunities, and a chance to work on cutting-edge tech.
  • Why this job: Be part of a team transforming the future of AR/VR and AI technology.
  • Qualifications: Experience in embedded software development and understanding of hardware design.
  • Other info: Exciting growth phase after acquisition by Haylo Labs, with dynamic career prospects.

The predicted salary is between 45000 - 55000 ÂŁ per year.

Plessey has a long history of innovation. Founded in 1956, we have evolved from one of Europe’s earliest semiconductor pioneers into the world’s most advanced microLED specialist. Over the decades, Plessey has built a first class, fully integrated platform designing, manufacturing, and engineering next-generation display technologies entirely in-house. This end-to-end capability, combined with our strong IP portfolio, uniquely positions us to lead the scaling of MicroLED’s from lab innovation to high-volume production. Our future is even brighter. We believe MicroLED’s will define the next era of technology—powering ultra-efficient AR/VR displays, driving optical processors that make AI faster and more sustainable, and enabling devices yet to be imagined. With our unique expertise and talented team, we are positioned to lead this transformation. It’s an exciting time to join us: Plessey has recently been acquired by Haylo Labs, accelerating our growth and opening new opportunities.

Location
Located at our head office and state-of-the‑art fabrication facility in Plymouth.

About the Role
We are seeking a senior Embedded Software Engineer to join the Product Development team and contribute to embedded firmware development and hardware–software integration. This is a hands‑on role, working closely with the Principal Engineer and Senior Hardware Engineer to translate system architecture into reliable embedded implementations across prototypes, demos, and product platforms.

Key Responsibilities

  • Design, implement, and maintain embedded firmware in C/C++.
  • Develop and maintain low‑level drivers and application firmware.
  • Support bootloader development and firmware update functionality.
  • Implement firmware robustness, error handling, and recovery paths.
  • Support firmware bring‑up on new hardware.
  • Debug hardware/firmware issues involving power, clocks, interfaces, and timing.
  • Work with schematics, PCBs, and lab equipment during development and debugging.
  • Support validation and test readiness of embedded systems.
  • Translate architectural intent into working embedded implementations.
  • Take ownership of defined subsystems with appropriate guidance.
  • Contribute to technical documentation and knowledge transfer.
  • Support integration with test environments and higher‑level software systems.

Skills, Knowledge and Expertise

  • Background in Electronic Engineering or similar discipline.
  • Experience in embedded software development (C/C++).
  • Experience with microcontrollers (e.g. STM32 or similar).
  • Experience with bare‑metal and/or RTOS‑based systems.
  • Comfortable reading schematics and understanding hardware design.
  • Experience with board bring‑up and low‑level debugging.
  • Experience using SWD/JTAG, logic analysers, and oscilloscopes.
  • Understanding of common interfaces (USB, SPI, I²C/I3C, UART).

Advantage

  • Familiarity with embedded Linux or Zephyr.
  • Experience supporting prototype, demo, or pre‑production systems.

Embedded Software Engineer employer: Plessey Semiconductors Ltd

Plessey is an exceptional employer, offering a dynamic work environment at our state-of-the-art facility in Plymouth, where innovation thrives. We prioritise employee growth through hands-on experience in cutting-edge technology and foster a collaborative culture that values trust and leadership. With the recent acquisition by Haylo Labs, exciting new opportunities for career advancement and involvement in pioneering projects await you.
Plessey Semiconductors Ltd

Contact Detail:

Plessey Semiconductors Ltd Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Embedded Software Engineer

✨Tip Number 1

Network like a pro! Reach out to current employees at Plessey on LinkedIn or other platforms. Ask them about their experiences and any tips they might have for landing a role. Personal connections can make all the difference!

✨Tip Number 2

Show off your skills! If you’ve got a portfolio of projects or contributions to open-source software, make sure to highlight them in conversations. Demonstrating your hands-on experience with embedded systems can really set you apart.

✨Tip Number 3

Prepare for technical interviews by brushing up on your C/C++ skills and understanding of microcontrollers. Practice coding challenges and be ready to discuss your past projects in detail. We want to see how you think and solve problems!

✨Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in joining the Plessey team!

We think you need these skills to ace Embedded Software Engineer

Embedded Software Development
C/C++ Programming
Microcontroller Experience
Bare-Metal Systems
RTOS-based Systems
Schematic Reading
Low-Level Debugging
Board Bring-Up
SWD/JTAG Usage
Logic Analysers
Oscilloscopes
Common Interfaces (USB, SPI, I²C/I3C, UART)
Technical Documentation
Firmware Development

Some tips for your application 🫡

Tailor Your CV: Make sure your CV is tailored to the Embedded Software Engineer role. Highlight your experience with C/C++, microcontrollers, and any relevant projects that showcase your skills in embedded systems. We want to see how your background aligns with our needs!

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're excited about joining Plessey and how you can contribute to our innovative journey. Be genuine and let your passion for embedded software development come through.

Showcase Your Projects: If you've worked on any cool projects related to embedded firmware or hardware-software integration, make sure to mention them! We love seeing practical examples of your work, so don’t hold back on sharing your achievements.

Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way to ensure your application gets into the right hands. Plus, it shows us you’re serious about joining our team at Plessey!

How to prepare for a job interview at Plessey Semiconductors Ltd

✨Know Your Stuff

Make sure you brush up on your embedded software development skills, especially in C/C++. Familiarise yourself with microcontrollers like STM32 and be ready to discuss your experience with low-level drivers and firmware robustness. The more you know, the more confident you'll feel!

✨Get Hands-On

Since this role involves a lot of practical work, it’s a good idea to have some hands-on experience with hardware. Be prepared to talk about any projects where you've debugged hardware/firmware issues or worked with schematics and PCBs. Real-world examples will impress the interviewers.

✨Show Your Problem-Solving Skills

Plessey values innovation, so be ready to demonstrate how you've tackled complex problems in the past. Think of specific instances where you implemented error handling or recovery paths in your firmware. This shows that you can think critically and adapt to challenges.

✨Ask Smart Questions

Interviews are a two-way street! Prepare thoughtful questions about Plessey's current projects, their approach to MicroLED technology, or how they integrate firmware with higher-level software systems. This not only shows your interest but also helps you gauge if the company is the right fit for you.

Land your dream job quicker with Premium

You’re marked as a top applicant with our partner companies
Individual CV and cover letter feedback including tailoring to specific job roles
Be among the first applications for new jobs with our AI application
1:1 support and career advice from our career coaches
Go Premium

Money-back if you don't land a job in 6-months

>