Mosaic Island are looking for an experienced Solution Architect to work on a Financial client on a Data / Regulatory Capital project (Basel III). You would define the solution architecture for our clients Basel III / Regulatory Capital initiative. This is a data-heavy role focused on identifying key data assets, shaping data products, and designing the data and technology architecture needed for risk calculation, capital adequacy and regulatory reporting. Key Responsibilities Lead end-to-end architecture for Basel III reporting within an agile squad. Design data models, data flows, curated datasets and data products for regulatory capital and RWA calculations. Identify critical data sources, define lineage, and ensure data quality, controls, and traceability. Work with engineering, data SMEs, risk/finance teams, and—where present—business analysts to shape backlog items and solution detail. Produce and maintain essential artefacts (HLDs, lineage, data dictionaries, integration designs). Provide architectural guidance through delivery and ensure alignment to regulatory requirements. Skills & Experience Essential Strong Solution Architect with Data Architecture expertise. Experience in Basel II/III, Regulatory Capital, RWA or similar regulatory reporting. Knowledge of financial risk/finance data (exposures, collateral, PD/LGD/EAD, balance sheet). Skilled in designing data pipelines, models, and cloud-based data solutions (preferably Azure). Familiar with agile delivery and translating regulatory needs into technical design. Strong understanding of data lineage, governance and auditability. Desirable Azure Synapse, Databricks, Data Factory, Purview experience. Experience with risk or regulatory reporting engines. UK banking / PRA regulatory background. Attributes Clear and pragmatic communicator. Comfortable working in fast-moving agile squads. Able to bring structure and clarity to complex, data-driven regulatory work. This is an Inside IR35 / Via Umbrella opportunity which is mainly Remote but with occasional office travel if needed to the Sunderland area.