Top Tech Jobs & Startup Jobs in London

Leads complex technology transformation programmes from discovery through production, coordinating cloud, applications, integrations, data platforms and digital services. Owns scope, risks, dependencies, governance, financial controls, architecture alignment and executive reporting. Partners with engineering, architecture, service delivery and suppliers to remove blockers, manage releases and ensure operational readiness. Connects technical delivery with business adoption, supportability, resilience, efficiency and benefits realisation.

Supports product owners and business stakeholders by shaping roadmaps, prioritising backlogs, defining requirements, facilitating discovery, and aligning technology delivery with measurable business outcomes. Leads process mapping, acceptance criteria, UAT, governance, stakeholder workshops, change-readiness activities, adoption planning, and continuous improvement across transformation initiatives.

Supports advertising campaign planning and delivery across JCDecaux systems, including inventory requests, campaign reporting, sales administration, creative mock-ups, and customer follow-up. The role also supports commercial growth, prepares presentations and reports, maintains CRM and campaign information, and builds relationships with clients, agencies, and internal teams. Strong communication, numeracy, organization, attention to detail, and Microsoft Office skills are required.

The Tax Manager oversees UK taxation, including corporation tax, VAT, transfer pricing, customs and duties, and PAYE settlement agreements. Responsibilities include tax reporting and submissions, VAT reconciliations, corporation tax computations, deferred tax provisions, HMRC queries, compliance documentation, risk mitigation, internal controls, and tax legislation monitoring. The role also supports Pillar 2 and country-by-country reporting, advises on commercial contracts, coaches accounting staff, and identifies AI-driven process improvements.

Drive demand and revenue for programmatic Digital Out of Home solutions by building relationships with clients, media agencies, and digital agencies. Lead buyer planning sessions, present programmatic OOH capabilities, develop engagement strategies, forecast revenue, educate internal teams, and collaborate across departments to deliver effective sales services. The role requires digital advertising sales experience, strong communication skills, customer focus, CRM familiarity, and the ability to manage priorities under pressure.

Design, develop, and maintain Dynamics 365 and Dataverse customizations, server-side C#/.NET plugins, and API integrations. Build front-end components, implement CI/CD and DevOps practices on Azure, support live operations, optimize performance, participate in reviews and documentation, and mentor junior developers.

Lead and manage system upgrade and release processes across JCDecaux UK. Develop implementation strategy, oversee lifecycle from planning to post-review, coordinate cross-functional teams, manage vendors, ensure data integrity and minimal business disruption, and mentor the implementation team.

Lead data-driven marketing insights for OneWorld by analyzing first- and third-party data, creating sales enablement materials, conducting research, and developing PowerBI dashboards and self-service data features to inform internal and external marketing decisions.