Embedded Software Engineer C++ (Embedded Linux)

We're looking for an experienced Embedded C++ Software Developer to join an engineering team developing high-performance software for embedded Linux systems. This is a hands-on role where you'll be designing and developing robust, performance-critical software that interfaces closely with embedded hardware. You'll work on complex technical challenges involving multi-threading, concurrency, system performance and Linux internals, collaborating with software, electronics and hardware engineers throughout the development lifecycle. If you enjoy low-level programming, optimising software performance and solving technically demanding problems, this could be the role for you. Responsibilities • Design, develop and maintain software using modern C++ • Develop applications for Embedded Linux platforms • Design and implement robust multi-threaded software • Debug and optimise performance-critical applications • Work closely with hardware and electronics engineers to integrate software with embedded devices • Investigate and resolve complex concurrency and memory issues • Participate in architecture discussions, code reviews and technical planning • Write clean, maintainable and well-tested code Essential Skills & Experience • Strong commercial experience developing software in C++ • Experience developing software for Embedded Linux • Excellent understanding of multi-threading, concurrency and synchronisation • Hands-on experience with: • Mutexes • Locks • Condition Variables • Deadlock prevention • Race condition analysis • Thread-safe programming • Strong understanding of Linux internals, including: • Processes and threads • Scheduling • Memory management • Inter-process communication (IPC) • Signals • File systems • Experience debugging Linux applications using tools such as GDB • Comfortable working within a Linux command-line environment • Experience using Git Desirable Skills • Embedded ARM platforms • Cross-compilation toolchains • Yocto or Buildroot • Device communication (SPI, I²C, UART, CAN or USB) • Network programming (TCP/IP, sockets) • CMake • Python or Bash scripting • Docker and CI/CD pipelines About You You'll be someone who: • Enjoys solving complex technical problems • Has a genuine passion for embedded software development • Thrives in a collaborative engineering environment • Takes pride in writing efficient, reliable and maintainable code • Is curious, proactive and keen to continually improve What's on Offer • Competitive salary • Hybrid working • Interesting embedded software projects • Modern development tools and technologies • Collaborative engineering culture • Ongoing training and career development • Opportunity to work on products from concept through to deployment If you're an experienced Embedded C++ Developer with strong Linux expertise and a passion for building high-performance software, we'd love to hear from you. Apply today or contact 4Square Recruitment for a confidential discussion.