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Designed an ensemble model combining graph analysis with real-time transaction scoring. Technological uncertainty centred on achieving <50ms inference time while maintaining >95% precision.

Architected a distributed event processing system to replace batch ETL, resolving uncertainty about exactly-once delivery guarantees across multiple failure domains.

Developed a custom E2E encryption layer for sensitive financial data in transit and at rest, where technological uncertainty centred on maintaining sub-5ms encryption overhead without compromising key-rotation under concurrent connections.

Created a novel DOM analysis engine that programmatically identifies WCAG violations beyond existing tooling, resolving uncertainty around false-positive rates in dynamic SPAs.

Developed a unified rendering pipeline targeting web, iOS, and Android from a single component tree, where it was not deducible whether layout fidelity could be maintained across platforms.

Built a live schema migration system for PostgreSQL that applies DDL changes without locking tables, overcoming uncertainty around data integrity during concurrent writes.

Trained a fine-tuned model on internal coding standards to detect architectural anti-patterns, advancing beyond existing static analysis capabilities.

Built a real-time HL7 FHIR ingestion layer that normalises disparate NHS data formats, where it was not readily deducible how to reconcile conflicting coding systems without data loss.

Developed a privacy-preserving analytics system that applies calibrated noise to patient-level queries while maintaining statistical utility for clinical dashboards.