Top Tech Jobs & Startup Jobs in London

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 design and deliver cloud-native, production-scale data and AI/ML engineering solutions. Build data engineering, backend, DevOps and MLOps stacks; produce secure production code and architecture artifacts; troubleshoot complex systems; collaborate with stakeholders and engineering communities to industrialize AI/ML models.

Lead design and delivery of high-performance, real-time data pipelines and analytics for trading. Drive AI-enabled data engineering, mentor engineers, manage global initiatives, and improve SDLC, testing, and operational reliability.

Lead end-to-end product strategy and delivery for financial crime prevention (AML, KYC/CDD, sanctions, transaction monitoring, fraud). Manage product lifecycle, partner with Engineering, Compliance, Risk and Operations, design scalable controls, run risk and change impact assessments, support audits/regulators, and deliver customer-focused, compliant solutions across investment and digital banking products.

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 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.

Lead frontend engineer responsible for designing and delivering cloud-native, mobile-first solutions. Collaborate with cross-functional teams, write clean/testable code, troubleshoot, mentor junior developers, adopt AI-assisted development practices, and drive continuous improvement of development processes and automation.

Develop and maintain Salesforce platforms and standalone products for Customer Service, Marketing, and Operations. Build Lightning and Visualforce UI, implement Apex (including async), optimize SOQL, integrate REST APIs and Amazon Connect, write automated tests, use migration/CI-CD tools, and apply enterprise-authorized AI-assisted development while ensuring secure, maintainable code.

Assess and mitigate model risk for electronic trading models through independent validation, benchmarking, experiments, documentation, stakeholder communication, and maintenance of model inventory and metadata.

Lead EMEA payments marketing strategy and execution for priority segments (Corporates, Fintechs). Build integrated, full-funnel campaigns, partner with product and sales, develop creative assets, manage agencies, and measure performance to drive demand and revenue growth.