Top Tech Jobs & Startup Jobs in London

Partner with Product and Engineering to define metrics, run root-cause analyses and experiments, build tracking, reporting, and automated alerts, model data in dbt/BigQuery, scale AI-assisted analytics for self-serve, and communicate insights to drive product and business decisions.

The Communications Manager will handle media relations, write press materials, manage press inquiries, and coordinate across teams to enhance MoonPay's brand visibility.

Own and architect the React Native mobile experience across iOS and Android. Build, maintain, and ship high-quality, tested features in a small cross-functional squad; collaborate with product, design, and external providers; estimate and execute projects; and scale mobile products as the company expands.

The Senior Site Reliability Engineer will enhance platform resiliency, automate solutions, manage Kubernetes clusters, build dashboards, and support engineering teams to improve software delivery and reliability.

Lead design and evolution of a company-wide data platform spanning streaming, batch, warehousing, orchestration, governance, and ML enablement. Deliver core platform capabilities, reliable real-time pipelines, shared tooling, and scalable infrastructure. Drive cross-team initiatives, champion golden paths, improve reliability/cost/observability, ensure regulatory compliance, and mentor senior engineers while influencing technical strategy and standards.

Own the roadmap for authentication and identity verification, balancing onboarding conversion, fraud risk, and regulatory compliance. Improve onboarding funnels, manage KYC/IDV vendor relationships, translate regulatory needs into product specs, work with Engineering to ship secure auth flows, define funnel metrics, and represent Identity across Risk, Fraud, Compliance, and Legal.

Build and maintain high-throughput transaction and wallet infrastructure for on-chain/off-chain flows. Design transaction lifecycle, retry/rebroadcast and recovery strategies, support cross-chain and DeFi integrations, improve observability and operational guardrails, and own end-to-end engineering, incident response, and reliability for financial correctness and auditability.

Build and maintain high-throughput blockchain transaction infrastructure: broadcasting pipelines, wallet and lifecycle management, cross-chain and DeFi integrations, failure recovery, observability, and financially correct, auditable systems. Take end-to-end ownership from design through incident response to improve reliability and scale.