Are you a Software Engineer looking for your next opportunity? We are recruiting for a Principal Software Engineer to join our client who have an exciting opportunity to develop real time embedded software solutions in to high functional and formal integrity. Working in a small team of software engineers and a wider multidiscipline engineering team on a series of new designs, the successful contractor will develop solutions for challenging applications with high performance and integrity expectations. They will be involved in the full development lifecycle and have the opportunity to deploy and evaluate the solutions they develop on the target devices. Principle responsibilities include: Development of real time solutions in C & Assembler. Low level and device control application development & debugging. Developing to precise timing and functional performance requirements. Contributing to automated testing / continuous integration / verification. Using Iterative development lifecycles (for example tailored Agile.) Using tools associated with Iterative development lifecycles (Jira / DevOps.) Execution of a support strategy and management of updates. Support for module and system-level integration, execution of testing and analysis of test recordings and results. Board level debugging with appropriate tools. Support the team with real-world integration and trials where applicable. Interaction as part of a self-organising agile team, through software development stages of design, implementation, test and integration Contribution to Software Development Plans, balancing the needs of a given project with appropriate company and external processes. Generation of software test plans and specifications. Thorough and accurate estimation based on appropriate sub work breakdown structures, scheduling and assumptions in addition to the known technical requirements. Authoring and review of software requirement specifications. Writing application documentation such as user guides and troubleshooting guides. Additional information: Located at the client's Basildon site, there will be a requirement for onsite interaction with the team on a regular basis. It is necessary to have Security Clearance for this role