Top Tech Jobs & Startup Jobs in London

Lead business analysis for strategic change, acquisitions and integrations. Elicit, validate and document requirements, map current and target-state processes and operating models, support UAT and solution validation, facilitate stakeholder workshops, maintain BA standards and reusable artefacts to ensure effective delivery and operational readiness.

Turn client, revenue and segment data into actionable cross-sell opportunities. Analyze client revenue and penetration, build Power BI models and dashboards, track pipeline and tier progression, run client expansion assessments, support sales with insights, manage cross-selling introductions and integration activities, and monitor conversion and multi-segment performance.

Lead product and commercial strategy for FX and Payments within Capital Markets, coordinate cross-functional initiatives, drive strategic projects and governance, manage stakeholder alignment, and ensure regulatory readiness and operational control across front-to-back processes.

Lead EMEA Treasury Operations, owning cash management, payments, reconciliations, securities settlements, bank portal and treasury systems administration, SOX and regulatory controls. Manage intraday liquidity model, operational risk, audit readiness, process improvement, system change and cross-functional delivery. Coach team, oversee controls and incident management, and partner with Finance, Risk, Compliance and Technology to support growth while ensuring governance and regulatory compliance.

Support client onboarding and ongoing clearing services for wholesale clients. Manage KYC, project-manage onboardings from engagement to go-live, ensure exchange and order-routing access, handle risk/treasury issues, produce client reports, improve processes, and coordinate with sales, ops, IT and compliance to meet regulatory and commercial requirements.

Manage and monitor counterparty exposures and market risk for Marex Solutions across OTC, structured and exotic derivatives. Evaluate derivative structures, enforce risk and limit frameworks, assess new products, partner with trading/structuring/validation/finance, deliver governance and reporting, and ensure regulatory compliance including stress testing and capital requirements.

The Risk Software Developer will enhance Marex's Risk Engines and integrate applications while collaborating with teams to improve business processes and reporting. Key responsibilities include coding, documentation, quality assurance, and stakeholder communication in a fast-paced environment.

Prepare and analyse cost accounting records, including complex month-end journals, accruals, prepayments and reconciliations. Investigate cost variances, support audits, address cost queries, assist transfer pricing recharges, and drive process improvements and automation through collaboration with Procurement, Market Data, Legal and Accounts Payable.

Monitor and report firm positions (VaR, sensitivities, stress tests); define and enforce risk measures and limits; analyze P&L drivers, market volatility and liquidity; support commodity product coverage; engage with traders, sales, validation and finance; ensure governance and regulatory compliance.

Responsible for maintaining and enhancing the CASS Governance Framework, interpreting FCA CASS regulation (notably CASS 7), leading incident resolution, CMAR reporting and client money reconciliations, providing technical CASS support and training, challenging CASS risks and auditor/client interpretations, authoring policy and MI/KPIs, and acting as senior CASS contact for auditors, clients and regulators.