Jobs at Pay.UK

Process and reconcile accounts receivable transactions, post receipts, prepare invoices/credit notes, investigate payment discrepancies, support month-end reconciliations and improve AR controls and processes.

Lead the planning, coordination and delivery of a broad internal audit portfolio within a regulated UK payments organisation. Review audit plans, findings and reports for quality and governance alignment; monitor risks, dependencies and actions; coordinate multiple stakeholders; and provide portfolio updates to senior leaders, governance forums and the audit committee. The role also requires building Executive Committee relationships and driving audit innovation across financial services, cybersecurity, operational resilience and third-party risk management.

Design and implement security controls across payments systems and supporting infrastructure. Review architectures, perform vulnerability analysis and security testing, prioritise fixes, support incident response, and produce security standards and documentation while collaborating with engineers to embed security into delivery.

Design, build, test and deploy machine learning and generative AI models for production; prepare and refine datasets; integrate AI services with applications and cloud; document models, pipelines and APIs; monitor, evaluate and improve model performance; collaborate with engineers, data specialists and business teams.

Lead and support day-to-day UK payments operations across Bacs, FPS, ICS and managed services. Manage incidents, participate in shift/on-call rotas, monitor supplier and participant performance, produce operational reports, support onboarding/off‑boarding and documentation, and contribute to change and crisis management activities to maintain resilient payment services.