Top Tech Jobs & Startup Jobs in London

Supports the Solutions trading and technology platform by delivering strategic and tactical initiatives, improving business processes, and driving automation. Manages project plans, technology change, regulatory coordination, operational risk, budgets, management information, KPIs, and stakeholder relationships. Translates business requirements into technology deliverables, supports derivatives trading capabilities, coordinates with Group Technology, and identifies opportunities to improve efficiency, compliance, profitability, and client solutions.

Supports business change projects across the Clearing business, coordinating plans, deliverables, risks, costs, resources, dependencies, stakeholders, and implementation activities. Owns smaller projects and workstreams, facilitates status reviews, tracks actions, manages business adoption, supports portfolio reporting, and helps ensure sustainable transition to business-as-usual. The role also contributes to project management knowledge sharing and operates within financial-services regulatory and risk requirements.

Leads internal audit planning and delivery across a global financial services organization. Provides assurance to the Board, evaluates risk and controls, develops audit policies, conducts complex financial systems and IT control audits, influences senior management, supervises audit assignments and staff, and supports regulatory compliance across international jurisdictions.

Develop and maintain secure, responsive web applications for front-to-back trading technology. Responsibilities include architecture, coding, testing, documentation, production support, requirements gathering, and legacy-platform migration to the cloud. The role emphasizes C# .NET or React, modern DevOps and CI/CD practices, testing, scalability, security, and maintainability. The developer will collaborate with platform engineers, business users, and agile delivery teams in a regulated financial-services environment.

Lead full-stack development of the Equities market-making and trading platform. Design and implement front-end (React/WPF) and back-end (.NET/C#) systems, drive cloud migration and replatforming, automate CI/CD and testing, mentor and lead teams, act as Scrum Master when needed, and ensure regulatory and risk compliance.

Develop centralized automated datasets, analytical models, dashboards, and reporting solutions for business teams and senior management. Analyze complex financial data, resolve data-quality issues, improve processes, and support AI deployment. Partner with data engineers and stakeholders to define target-state data requirements, automate business processes, enhance scalability, and solve commercial challenges within a regulated financial-services environment.

Develops and maintains centralized financial datasets supporting management P&L, balance sheet substantiation, statutory reporting, and AI-enabled finance tools. Builds reconciliations to the general ledger, partners with data engineering and IT teams, leads UAT, documents datasets and tools, trains Finance users, and supports migration to IT-owned platforms. The role requires strong regulated-finance experience, advanced Excel skills, control expertise, and familiarity with financial products and data-manipulation tools.

Lead design and delivery of enterprise-scale data ingestion, orchestration, and provisioning solutions. Build trusted, governed data products and event-driven integration capabilities (APIs, Kafka), ensure data quality, observability, CI/CD, and operational resilience, and provide technical leadership across platform, application, and business teams to support analytics, regulatory reporting, ML/AI, and operational systems.

Grow Marex Solutions’ EMEA OTC agricultural derivatives business from London by covering existing clients, developing new relationships, generating revenue, and identifying cross-selling opportunities. The role involves client onboarding, product development, collaboration with Trading and internal stakeholders, regulatory compliance under FCA requirements, and contributing to sales strategy and risk management.

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.