Top Tech Jobs & Startup Jobs in London

Provides consulting advice and ongoing service to healthcare and protection clients, manages and grows a profitable client portfolio, negotiates fees, develops relationships, and wins new business. The role partners with internal teams to meet client expectations and expand service delivery. It is hybrid, requiring at least three office or client-site days per week, with locations across several UK cities.

Leads cyber catastrophe modelling and analytics for treaty and retro reinsurance placements. Oversees complex risk analyses, challenges model assumptions, reviews data quality and scenario testing, and signs off client deliverables. Provides senior client and market advisory on cyber tail risk, accumulation, limits, structures, and portfolio optimization. Builds the firm’s cyber risk view, develops methodologies and governance, contributes thought leadership, and manages, mentors, and develops analysts and modellers.

Creates engaging enablement content supporting Marsh’s go-to-market strategy. Collaborates with subject matter experts, project leads, and stakeholders from discovery through delivery; uses research, data, design judgment, and content patterns to address colleague needs. Produces and edits video content, applies style guides, influences stakeholders, and contributes to the internal content community while working in an Agile environment.

Supports investment client managers and directors with institutional client communications, investment analysis, strategy updates, market commentary, dashboards, presentations, and project workstreams. The role requires strong knowledge of investment markets, analytical and communication skills, technical accuracy, client service, organization, and project ownership. Responsibilities may span responsible investment, multi-asset, fixed income, alternatives, and client reporting while helping improve investment processes through data and AI.

Leads the cyber reinsurance actuarial function, overseeing pricing, portfolio analytics, tail-risk and systemic-risk modeling, stress testing, and model governance. Translates technical results into client-facing placement and negotiation insights, partners with broking and reinsurers, contributes to market thought leadership, and builds a high-performing actuarial team through hiring, coaching, and quality oversight.

Leads commercial collaboration between Marsh Re, Marsh Risk, and MMA to identify growth opportunities, develop reinsurance placement strategies, support product and facility development, and strengthen client and market connectivity. The role requires senior broking expertise, relationship management, negotiation, stakeholder influence, and leadership across global matrixed teams.

Leads a six-person investment engineering team delivering and supporting front-office investment applications. Partners with stakeholders to define requirements, designs robust technical solutions, performs root-cause analysis, and implements improvements across applications and services. The role includes hands-on coding, code reviews, architecture decisions, responsible use of AI development tools, and collaboration with global engineering teams. Experience with investment management, trading systems, data flows, C#, Python, SQL, and modern data platforms is required or preferred.

Leads international affinity commercial growth by developing strategic partner plans, improving conversion and retention, expanding into new markets, launching products, and building scalable partnership models. Mobilizes cross-business teams, aligns sales and marketing, defines segment value propositions, monitors KPIs, and uses partner feedback and performance data to guide decisions. The role also promotes executive stakeholder alignment, cross-functional learning, governance, and capability development across countries and teams.

Provide commercial, regulatory, governance, and operational legal advice to Now Pensions and Marsh. Manage contractual queries, draft and negotiate agreements, identify and escalate risks, maintain legal compliance, and support innovation, new products, strategic risk initiatives, and operational projects. The role requires collaboration with internal and external stakeholders, strong commercial judgment, and effective management of multiple priorities in a hybrid London environment.

Leads Darwin’s product portfolio, roadmap, product strategy, and delivery outcomes while managing a 10-person Product and UX organization. Partners with commercial, technology, service delivery, risk, legal, and client teams to align priorities, drive product adoption, and achieve measurable results. The role also leads AI and automation strategy, Responsible AI governance, user experience quality, commercial positioning, stakeholder communications, and continuous improvement across a complex enterprise SaaS environment.