Job Title: Senior Developer Location: Various - Filton/Glasgow/Portsmouth - We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £50,000 (dependent on skills and experience) What you'll be doing: Fully responsible for analysing requirements, estimating, designing, scoping, architecting, developing and unit testing capability Demonstrate capability intent through authoring of design solutions, data modelling, process diagrams and other supplementary information along with direct collaboration with stakeholders Contributes to the planning and implementation of upgrade activities, including installation and configuration of software Investigate operational IT incidents, applies effective fixes to resolve, checking the incidents are updated and closed in accordance with agreed procedures and standards Consult with stakeholders to identify project needs, build trust and use experience and expertise to drive positive project outcomes Utilises advanced technical expertise to optimise performance by diagnosing bottlenecks, conducting data profiling and benchmarking, and performing maintenance and complex toolset configuration Participate in development processes and practices (Agile), backlog refinement, daily stand ups, show and tell sessions Coach and support associate and junior developers to progress their tasks and help them grow within their own roles Champion best practices, continuous improvement, coding standards and provide technical steer to other IT functions Your skills and experiences: Essential: Strong experience in Java, minimum Java 8. Expected Java 11/21 Strong Perl experience Strong Object Orientated Analysis and Design experience Strong experience in web technologies such as JavaScript, HTML, CSS Strong experience in web services. SOAP-based and RESTful A solid understanding of databases Desirable: Experience with CAD (Siemens Foran/NX) Experience with Windchill or Teamcenter Experience with Product Lifecycle Management Certification of Java, minimum Java 8. Expected Java 11/21 Oracle Certified Professional (OCP) Java Certified Associate (OCA) Understanding of software design patterns BEng/MEng or Computer Science degree Benefits As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Product Lifecycle Management (PLM) Development team: We provide Product Lifecycle Management (PLM) solutions crucial for both our Naval UK and key international export programs. Our organisation is currently driving a pivotal, technology-led digital transformation to optimize our entire operational landscape As a key member of a small, dedicated development team, you will be instrumental in building core capabilities to address immediate business needs while proactively evaluating emerging technologies to secure our long-term strategic advantage Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date 17th December 2025