Top Tech Jobs & Startup Jobs in London

Lead development and productionisation of scalable AI models and data-driven solutions. Tune and optimise models, evaluate third-party AI tools, define coding standards, and collaborate with software engineers to deliver high-quality, maintainable production systems aligned with business goals.

Manage vulnerability discovery, offensive testing and remediation programs (TLTP, red teaming, bug bounty, attack surface management). Coordinate vendors, validate and triage findings, support remediation and retesting, and automate security programme objectives to reduce cyber risk.

Lead design and delivery of security automation, own case management platform, manage DevSecOps infrastructure, and drive AI adoption for security operations. Provide technical leadership, mentor engineers, define roadmaps, implement IaC/CI/CD practices, and ensure secure, resilient platforms supporting alert ingestion, enrichment, and automated response.

Support the Director BISO to oversee information and cyber security for LCH Ltd: assess controls, manage remediation, monitor roadmaps, engage stakeholders and third parties, maintain cyber risk profiles and MI, assess project security designs, report to governance bodies, and embed security across the business.

Front-line B2B sales role driving revenue for LSEG's digital identity solutions. Own the full sales cycle from prospecting to close, build and manage pipeline, engage senior stakeholders, craft commercial proposals, collaborate cross-functionally, and position identity products to deliver growth, compliance, fraud reduction, and improved customer experience.

Lead the development and evolution of LSEG's Azure Cloud Platform, defining strategic roadmaps, and collaborating with engineering teams to enhance platform capabilities and adoption across the organization.

Lead category strategy, sourcing and supplier management for infrastructure software (databases, middleware). Drive complex negotiations, licence optimisation, renewals, vendor performance, risk mitigation and cross-functional stakeholder engagement to deliver commercial value and technology resilience.

Lead the development of the FTSE Russell Index Platform by designing and integrating Java and Python applications with AI capabilities. Guide engineering best practices and mentor junior team members in delivering high-quality, scalable solutions.

Responsible for designing and delivering backend services in Scala, focusing on AWS cloud-native development and engineering excellence. Leads technical direction and ensures high-quality outcomes through collaboration and best practices.

Lead product strategy and execution for LSEG's Open Directory within Workspace. Define requirements, prioritize features, run agile delivery, track KPIs and user analytics, collaborate with stakeholders to drive community adoption and AI-driven collaboration experiences.