London, UK - Hybrid Key Responsibilities : Design end-to-end solution architecture for energy or utility platforms and digital services. Define technical standards, APIs, integrations, and interoperability frameworks across systems. Assess technical solutions, risks, and architecture suitability for complex distributed platforms. Lead delivery of cloud-native, microservices-based platforms supporting multiple stakeholders. Work with product, engineering, and business teams in Agile environments to translate requirements into architecture. Key Requirements : Strong experience in Solution Architecture or Technical Architecture roles. Background working in Energy / Utilities / Retail Energy markets. Experience designing cloud-native and microservices architectures. Strong knowledge of API design, system integration and interoperability standards. Experience managing data architecture, processing pipelines and platform scalability.