Top Tech Jobs & Startup Jobs in London

Three-year international graduate engineering leadership program at Mars, featuring annual placements in project engineering, overseas engineering work, and team management. Participants develop technical, leadership, and project-management skills while improving efficiency and supporting Mars brands. Applicants need a Master's degree in Engineering, English fluency, leadership or project experience, and willingness to work abroad for at least one year.

Graduate finance leadership programme featuring three 12-month placements across supply or market finance, financial control, internal audit, and finance digitalization. Participants gain local, regional, and potentially international exposure while developing analytical, leadership, and finance business-partnering skills. The programme supports progression toward strategic finance roles or finance management and includes CIMA qualification sponsorship, mentoring, and hybrid working.

Three 12-month rotations across business areas such as sales, marketing, manufacturing, supply chain, logistics, data analytics, and project management. Graduates will manage projects, lead teams, gain local and international exposure, and develop business leadership skills through mentoring, coaching, and structured learning.

Three-year graduate programme with three 12-month placements across Mars’s end-to-end supply chain. Participants will lead supply chain projects, gain experience in factory production, production planning, and customer delivery, and develop functional and leadership capabilities. The role includes mentoring, global exposure, and potential international career opportunities. Candidates must hold a degree, be graduating next summer or have graduated within the past two years, and be mobile within the UK, including possible relocation.

Develops audience profiles, trust and reputation measurement frameworks, consumer learning plans, and brand insights for Mars Corporate Affairs. Leads AI and analytics adoption as the function’s center of excellence, identifying automation, efficiency, capability-building, and innovation opportunities across communications and public affairs. Manages a learning-plan budget of under $500,000 and supports senior leadership with reputation performance updates.

Leads corporate brand insights, audience definition, trust and reputation measurement, consumer learning plans, and AI-enabled data and analytics adoption. Builds an AI center of excellence for Corporate Affairs, identifies innovation opportunities, develops team capabilities, drives workflow adoption, and supports strategic communications priorities. Manages a learning plan budget under $500,000 and provides reputation performance updates to senior leadership.

Provides senior technical leadership for global supply and commercial technologies across planning, smart manufacturing, and procurement. Translates business roadmaps into solution designs, technical options, delivery plans, and governance standards. Leads architecture, technical assurance, design reviews, risk management, supplier oversight, integration, testing, deployment, and operational transition across applications, data, cloud, infrastructure, cybersecurity, and operational technology. Coaches technical teams and drives simplification, standardization, scalability, and reduction of technical debt.

Leads the design and delivery of secure, scalable, LLM-enabled applications spanning APIs, user interfaces, orchestration pipelines, vector databases, and enterprise integrations. Builds reusable AI tooling, SDKs, and governance processes; deploys solutions across cloud environments; ensures observability, operational excellence, and responsible AI compliance. Partners with business stakeholders, architects, security teams, and strategic vendors to prioritize high-value use cases, guide platform strategy, and deliver production-ready systems.

Provides independent legal advice on EMEA sustainability regulations, including CSRD, CSDDD, EUDR, PPWR, EmpCo, and forced-labor requirements. Drives cross-segment coordination, regulatory risk identification, enterprise legal alignment, and regionally informed guidance. Develops playbooks, templates, presentations, and training while serving as the regional legal point of contact and connector between central sustainability counsel and business stakeholders.

Lead design and delivery of enterprise generative AI and cloud-native solutions. Build PoCs/MVPs, define architecture, integrate AI platforms with enterprise systems, ensure security, performance, and HA, and provide technology guidance and standards.