Solution Architect (.NET) - SC Cleared - London/hybrid - 6-12 months - £682 Essential 10+ years'' experience in software engineering or architecture, including 3+ years as a solution/technical architect on multi-service platforms. Proven track record designing technology modernisation - defining target-state architectures and migration paths from Legacy applications and infrastructure to currently supported, cloud-native patterns. Strong architectural grounding in .NET/.NET Core, with working knowledge of Python and modern JavaScript frameworks (Vue.js, React). Experience designing solutions using infrastructure-as-code (Terraform) and containerised deployment (Docker) at scale. Experience architecting with AWS managed services (RDS, SQS, DynamoDB, OpenSearch/Elasticsearch, ECR) and applying the AWS Well-Architected Framework. Experience designing with identity, authentication and API gateway technologies (eg WSO2, RADIUS-based systems, or equivalents). Experience operating in a regulated, security-conscious or public-sector environment, with a strong understanding of data minimisation, data protection and audit requirements. Demonstrated ability to produce clear architecture artefacts (HLDs/LLDs, ADRs, solution diagrams) and to defend them at governance boards. Excellent stakeholder management and communication skills, able to translate architectural trade-offs into business impact for senior and non-technical audiences. Desirable Experience architecting ..... full job details .....