Top Tech Jobs & Startup Jobs in London

Leads the North Europe supply chain organization across six markets, overseeing planning, customer service, logistics, quality, warehousing, and supply chain development. Owns supply chain strategy, S&OP+, operational excellence, transformation initiatives, network optimization, sustainability programs, supplier partnerships, and performance objectives. Develops senior leaders and teams while partnering with commercial, finance, manufacturing, regional, and central stakeholders.

Leads digital transformation programs for an assigned division, partnering with senior stakeholders to develop roadmaps, govern delivery, manage risks and dependencies, coordinate portfolios, and drive change adoption. The role provides transformation assurance, facilitates stage-gate reviews, maintains reporting, aligns divisional initiatives with enterprise priorities, and supports continuous improvement of governance practices across the organization.

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.

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.

Leads global strategic sourcing for Business Process Outsourcing and Managed Services. Manages procurement lifecycles, RFPs, negotiations, supplier agreements, onboarding, governance, supplier relationships, category planning, and cost optimization. Partners with senior stakeholders across Finance, Digital Technologies, Human Resources, and other functions in a global matrix organization. Supports risk mitigation, acquisitions, organizational changes, innovation, and continuous improvement.