Top Tech Jobs & Startup Jobs in London

Investigate and counter sophisticated threat actors, conduct first-principles investigations, execute large-scale enforcement operations, communicate findings, manage urgent incidents, and partner with operations, engineering, product, and policy teams to disrupt abuse and systemic vulnerabilities.

Design and ship high-performance, pixel-perfect iOS experiences using Swift, SwiftUI/UISKit and Combine; optimize memory/CPU/GPU; integrate high-throughput APIs or model outputs; own features end-to-end through App Store deployment; collaborate with AI researchers to deliver scalable mobile AI products.

Design and implement high-quality Android features using Kotlin and Jetpack Compose. Architect large-scale production apps, optimize performance, stability, and reliability, and collaborate cross-functionally to deliver delightful user experiences while owning large product areas.

Define and embed the UK KYC program while handling day-to-day KYC operations, escalations, QA, policy enhancements, stakeholder engagement, training, regulatory monitoring, and reporting to the Global KYC Program Lead.

Build and optimize backend microservices, APIs, and data models for a global payments platform. Collaborate with client teams, lead architecture for high-concurrency low-latency systems, and ensure testing, monitoring, deployment, and secure data handling for scalable financial products.

Develop and maintain the xAI API for high-throughput inference, managing model serving infrastructure, request routing, and scaling.