Application ArchitectDuration: 12 MonthsLocation: Croydon / Hybrid- 1 day PW on-siteDue to the urgency and sensitivity of the work, active SC Clearance is mandatory. ResponsibilitiesAs an Application Architect, you will:Design and lead delivery of scalable, high-performance application architecturesDefine and apply modern application architecture patterns, including microservices, event-driven architectures, and SOASupport monolith-to-microservices transformation initiatives where requiredArchitect cloud-native applications across AWS, Azure, and/or GCPDesign API strategies, integration patterns, and messaging-based solutionsEnsure strong alignment with application lifecycle management, CI/CD pipelines, and DevOps practicesWork closely with platform and engineering teams to align application design with infrastructure-as-code and platform servicesEmbed application security principles, including authentication, authorisation, secure APIs, and data protectionProvide architectural guidance, assurance, and governance across delivery phasesMust-Have Skills and ExperienceProven experience as an Application Architect or Senior Software Engineer operating at architectural levelStrong expertise in designing and delivering scalable, high-performance applicationsSolid understanding of application architecture patterns (microservices, event-driven, SOA)Experience designing cloud-native applications on AWS, Azure, and/or GCPStrong knowledge of API design, integration patterns, and messagi