Top Tech Jobs & Startup Jobs in London

Design, configure and deliver end-to-end Salesforce solutions: data models, automation, security, reports and dashboards. Translate requirements into functional designs and user stories, run workshops, manage vendors, support full delivery lifecycle, provide administration/data management, enforce governance, and offer post-go-live support and continuous improvement.

Provide hands-on HR generalist support to assigned client groups, advising managers and employees across the employee lifecycle (onboarding, performance, leavers), handling employee relations and regulatory due diligence (SM&CR), improving HR processes, maintaining people data and collaborating with Compensation, Compliance and senior management to support people metrics and HR initiatives.

Run and improve Marex's Global Payments operations: process confirmations and settlements, manage investigations and exceptions, perform reconciliations and safeguarding, own controls and incidents, and lead process improvements and team coaching.

Support, deploy and maintain enterprise voice infrastructure in a regulated trading environment, including SIP, SBCs, CUCM and Webex. Manage voice recording and mobile/WhatsApp capture to meet compliance. Provide technical support to traders, collaborate with compliance and technology teams, troubleshoot incidents, and contribute to cloud telephony and platform optimisation.

Ensure accurate, timely post-trade processing across FX, fixed income and derivatives lifecycles. Manage reconciliations, settle breaks, escalate complex issues, maintain controls, support regulatory reporting, and liaise with front/middle office, technology and external counterparties to improve STP and operational resilience.

Manage the Technology change portfolio to ensure alignment with business strategy. Provide governance, MI/reporting, risk and dependency tracking, delivery oversight, benefits realisation, and continuous improvement. Partner with CTO, Heads of Business Technology and project teams to prioritise, track and improve delivery discipline and reporting across technology change initiatives.

The Treasury Operations Control Manager manages cash operations, systems administration, compliance, and process improvements to ensure effective Treasury function and robust controls.

Senior full-stack developer responsible for designing, building, testing and supporting secure, production-ready post-trade web platforms using C# .NET and Node.js, applying AI-assisted development practices while ensuring traceability, auditability and regulatory compliance.

Provide second- and third-line application support for front-office and post-trade systems used in energy and commodities trading. Manage incidents, vendor upgrades, onboarding, ITIL-based change processes, documentation, exchange reporting and compliance, and identify process improvements while liaising with business stakeholders, development teams and infrastructure.

The Salesforce Administrator will enhance the Salesforce platform, manage user support, configure changes, gather requirements, and ensure user satisfaction through training and effective communication with stakeholders.