Our client, a prominent player in the Defence sector, is seeking a skilled Senior Software Engineer to join their Avionics Business Unit based in Marlow. This unit focuses on designing and supporting products including Search & Rescue Direction Finders and GNSS Anti-Jam equipment. This is a contract role where you will bring your extensive software engineering expertise to challenging and rewarding projects. Key Responsibilities: Design, develop, code, test, and maintain software for embedded applications. Collaborate with hardware and software engineers to meet project goals. Develop application logic, peripheral drivers, protocols, and human-machine interfaces. Ensure software delivery within agreed timescales and budget. Produce robust and reliable code using Embedded C/C++. Job Requirements: Experience in developing software across its entire lifecycle. Ability to work independently and propose process improvements. Strong team working skills coupled with a drive to deliver on time. Proficiency in C within an embedded environment. Knowledge of embedded processors and real-time operating systems. Experience interfacing with hardware devices and peripherals. Understanding of software development life-cycles and processes. Familiarity with source control tools such as SubVersion and Git. Desirable: Experience with C++ in an embedded environment and knowledge of DO-178. Benefits: Competitive contract rate Opportunity to work on advanced defence projects Collaboration with leading industry experts Professional growth and development opportunities Supportive and innovative work environment If you are a talented Senior Software Engineer looking for a challenging role in the Defence sector, we would love to hear from you. Apply now to join our client's innovative team in Marlow