Top Tech Jobs & Startup Jobs in London

Lead development of low-latency equities algorithmic trading strategies and execution platform. Build simulation and automated testing, analyze and tune models/signals, support production incidents, and create scalable real-time processing solutions.

Provide legal counsel on cybersecurity, information security, and global security matters; draft and negotiate security terms in supplier and client contracts; advise on incident response, crisis management, and regulatory engagement; support senior management and security and technology teams; participate in policy and advocacy efforts; manage multiple complex matters and outside counsel.

Lead design, build, and operate high-performance Linux platforms for low-latency electronic trading. Perform deep performance engineering (kernel, CPU/NUMA, networking), write automation and tooling, architect deployment models (containerization, immutable infra), leverage Agentic AI, interface with vendors, mentor teams, and ensure governance, reliability, and reusable solutions across businesses.

Lead front-end technical direction and hands-on delivery for a latency-sensitive, real-time trading UI. Design scalable UI architecture and component libraries, optimize performance, enforce testing/CI/CD and security standards, mentor engineers, and collaborate with product, SRE, and backend teams to deliver production-grade, compliant solutions.

Lead AI product strategy and execution for agentic AI pipelines automating bank operations. Define metrics, build demos/prototypes, write PRDs and user stories, and coordinate cross-functional teams to deliver production AI products that meet business goals.

Lead technical design, develop secure cloud-native applications, drive adoption of enterprise-authorized AI-assisted engineering, improve automation and operational stability, evaluate vendors, and promote engineering excellence across teams.

Lead design, build, and maintain large-scale, secure data engineering solutions. Produce and review production code, improve operational stability, drive AI-assisted engineering adoption, evaluate vendors, and shape technical strategy and team culture.

Lead FX product strategy and delivery across custody and fund services. Define roadmaps, partner with Markets, Custody and Payments, manage governance and controls, resolve escalations, track outcomes with analytics, and coordinate cross-functional global delivery.

Lead execution, optimization, and reporting of multi-channel paid media campaigns across EMEA. Manage programmatic display (DSPs, PMPs, direct buys), paid social, contextual targeting and ABM. Partner with local markets and agencies, build testing plans and automation projects, develop roadmaps, interpret performance dashboards, and deliver stakeholder-ready insights and recommendations.

Lead development and architecture of KDB-based data systems for real-time and historical market data. Design, build, test, and operate resilient, high-performance KDB applications; drive SDLC improvements, CI/CD, and automation; mentor and lead teams, capture requirements, and partner with stakeholders and support teams during AWS migration and greenfield projects.