Jobs in United Kingdom

Senior Account Executive in London

72 active opportunities · Updated October 2026

Explore current senior account executive jobs in London. Filter by work mode, employment type, experience, department, date posted and distance.

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📍 London, London, United Kingdom· Full-time
✓ Quality checkedCompany trend -100%

Who are we? Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems. We’re training and deploying frontier models for enterprises who are building AI systems. We believe that our work is instrumental to the widespread adoption of AI and we are looking for folks that want to be part of that. We obsess over what we build. Each one of us is responsible for contributing to increasing the capabilities of our models and the value they drive for our customers. Cohere is a team of researchers, engineers, designers, and more, who are all passionate about their craft. We are a global technology company headquartered in Toronto with key offices in London, New York City, San Francisco, Montreal, Paris, Berlin and Seoul. Join us! We’re looking for a senior engineer to help build, maintain and evolve the training framework that powers our frontier-scale language models. This role sits at the intersection of large-scale training, distributed systems, and HPC infrastructure. You will design and maintain the core components that enable fast, reliable, and scalable model training — and build the tooling that connects research ideas to thousands of GPUs. If you enjoy working across the full stack of ML systems, this role gives you the opportunity and autonomy to have massive impact. What You’ll Work On Build and own the training framework responsible for large-scale LLM training. Design distributed training abstractions (data/tensor/pipeline parallelism, FSDP/ZeRO strategies, memory management, checkpointing). Improve training throughput and stability on multi-node clusters (e.g., GB200/300, AMD, H200/100). Develop and maintain tooling for monitoring, logging, debugging, and developer ergonomics. Collaborate closely with infra teams to ensure our cluster, container environments, and hardware configurations support high-performance training. Investigate and res

DockerKubernetesGitAI
C
📍 London, London, United Kingdom· Full-time
✓ Quality checkedCompany trend -100%

Who are we? Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems. We’re training and deploying frontier models for enterprises who are building AI systems. We believe that our work is instrumental to the widespread adoption of AI and we are looking for folks that want to be part of that. We obsess over what we build. Each one of us is responsible for contributing to increasing the capabilities of our models and the value they drive for our customers. Cohere is a team of researchers, engineers, designers, and more, who are all passionate about their craft. We are a global technology company headquartered in Toronto with key offices in London, New York City, San Francisco, Montreal, Paris, Berlin and Seoul. Join us! Why this role? As a Member of Technical Staff in the Safety for Agents team, you will make a meaningful impact on the development of better, fairer, more trustworthy, and more secure Large Language Models (LLMs). Your primary focus will be on data generation, post-training algorithms, and evaluation methods to ensure Safety in the next generation of models that can access external resources and take actions in the world. You will work closely with other cross-functional machine learning teams and data annotation teams, and will also collaborate with product and policy teams. This role combines expertise in machine learning, ethical and responsible AI, experimental design, and data generation and management. It will require curiosity to tackle totally new scientific problems, engineering skills to implement the pieces we need to test solutions to these, and a desire to dive into messy data and results. You will be on a small team with a lot of autonomy and decision-making power, responsible for making the next generation of LLMs better for society as a whole. Please Note: The existing team work in offices in London, Edinburgh, Pa

PythonGitRestMachine Learning
C
📍 London, London, United Kingdom· Full-time
✓ Quality checkedCompany trend -100%

Who are we? Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems. We’re training and deploying frontier models for enterprises who are building AI systems. We believe that our work is instrumental to the widespread adoption of AI and we are looking for folks that want to be part of that. We obsess over what we build. Each one of us is responsible for contributing to increasing the capabilities of our models and the value they drive for our customers. Cohere is a team of researchers, engineers, designers, and more, who are all passionate about their craft. We are a global technology company headquartered in Toronto with key offices in London, New York City, San Francisco, Montreal, Paris, Berlin and Seoul. Join us! About the Role We're seeking a Senior/Staff Engineer to build and maintain the automation infrastructure that powers the development cycles of our North platform. This engineer will design and implement robust automation systems that enable engineers to efficiently test and validate changes across diverse environments and configurations. This role sits at the intersection of infrastructure and standards. You'll build the systems, frameworks, and culture that allow the rest of engineering to own quality themselves; improving and extending our testing platform by creating the infrastructure that allows engineers to write and execute tests, and enable every engineering team to ship with more confidence. Key Responsibilities Design and implement automation pipelines that support comprehensive testing across multiple environments with varying feature flags and realistic customer data profiles Create intelligent testing agents that simulate real user behavior to validate different configuration combinations Develop and maintain GitHub workflows and actions to automate testing, deployment, and validation processes Manage and optimize H

TypeScriptPythonAWSAzure
E(
📍 London, Greater London, United Kingdom· Full-time
✓ Quality checkedCompany trend -100%

About Ema Ema is building the world’s leading Agentic AI platform to transform enterprise productivity. We enable organizations to delegate repetitive tasks to Ema, the Universal AI Employee, delivering 10x gains in workforce efficiency, across functions. Founded by former executives from Google, Coinbase, Flipkart, and Okta, our team includes engineers from premier tech companies and graduates of Stanford, MIT, UC Berkeley, CMU, and IITs. We are backed by industry leading investors including Accel, Naspers/Prosus, Section32, and angels like Sheryl Sandberg and Dustin Moskovitz. Headquartered in Silicon Valley and with offices in London, Bangalore and Vancouver, Ema is at the frontier of what Agentic AI can do in production — we ship real systems that run real business processes at scale. Role: Senior Technical Support Specialist (Enterprise Agentic AI) Company: Ema Unlimited Inc. Location: London Employment Type: Full-time/Remote 1. About Ema (Why Ema) Ema is building the world’s first Universal AI Employee — a production-grade agentic AI platform that automates real enterprise workflows across HR, IT, Finance, and Operations. Ema’s customers do not run demos. They replace mission-critical, manual business processes with agentic AI systems that operate across multiple SaaS tools, APIs, and human-in-the-loop workflows. In this world, support is not reactive . Support is production reliability, trust preservation, and system learning . At Ema, Senior Technical Support Specialists are operators of live AI systems , not ticket handlers. 2. Role Overview The Senior Support Engineer owns the health, reliability, and trustworthiness of Ema’s deployed agentic AI systems in production. This role sits at the intersection of: AI behavior Workflow orchestration Enterprise integrations Customer trust Engineering feedback loops This is: ❌ Not L1 / call-center support, ❌ Not a “just escalate to engineering” role, ❌ Not reactive firefighting only This is : A senior technical escal

ReactAWSAzureGCP
S
📍 London, Greater London, United Kingdom· Full-time
✓ Quality checkedCompany trend -100%

Synthesia is the world’s leading AI video platform for business, used by over 90% of the Fortune 100. Founded in 2017, the company is headquartered in London, with offices and teams across Europe and the US. As AI continues to shape the way we live and work, Synthesia develops products to enhance visual communication and enterprise skill development, helping people work better and stay at the center of successful organizations. Following our recent Series E funding round, where we raised $200 million, our valuation stands at $4 billion. Our total funding exceeds $530 million from premier investors including Accel, NVentures (Nvidia's VC arm), Kleiner Perkins, GV, and Evantic Capital, alongside the founders and operators of Stripe, Datadog, Miro, and Webflow. Synthesia is moving from a single product to a multi-product platform, and research is about to become one of the pillars that determines whether we get that transition right. You'd be joining as our first full-time UX researcher, working directly with product, design, and engineering on the bets that will define what Synthesia looks like over the next few years, including a new real-time, agentic product where we're figuring out an entirely new modality as we build it. This is a Senior IC role. You'll own research end-to-end and shape how the function itself takes form. Why now We've validated the appetite for research. Persona and jobs mapping shaped the first version of our newest product, and there's a strong pull from PMs, designers, and leadership for more. What we don't have yet is a full-time researcher who can operate across the whole product portfolio. The next six months contain some of the highest-stakes decisions we'll make: how the assistant experience should evolve, what drives adoption of the new product, and how we activate users in their earliest moments. Research should be shaping the direction on all three. What you'll be doing Running a combination of strategic and tactical qualitative resea

DC
📍 London, England, United Kingdom
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

About The Role The Director, Strategic Alliances, EMEA will be responsible for defining and executing Diligent's partnerships strategy across the EMEA region as a senior individual contributor. This role will focus on identifying, structuring, and closing high-impact strategic partner-led deals that accelerate customer acquisition, expand Diligent's enterprise footprint, and drive revenue growth through partner resell and co-sell motions — with a particular focus on advisory and consulting firms (Big 4 and Tier 2) and large resellers/channel partners. This senior leader will develop deep insight into regional market dynamics and build the foundational partner ecosystem across advisory/consulting firms, resellers, and channel partners at the pace needed to match Diligent's rapid growth. This is fundamentally a builder's role — the person in this seat will need to build and own the region and its relationships largely from the ground up. This role requires close collaboration with Sales, Product, Marketing, and Customer Success teams. Success will be measured by partner-sourced and partner-influenced revenue, new logo acquisition, expansion of product usage through partners, and the establishment of scalable partnership models that can be operationalized as the business grows. Responsibilities Partnership Strategy & Execution Execute the EMEA partner strategy in alignment with Diligent's global objectives and regional go-to-market plans. Identify, prioritize, and secure strategic partnerships across advisory/consulting firms (Big 4 and Tier 2) Develop partner value propositions, commercial frameworks, and engagement models tailored to EMEA market needs. Establish repeatable partnership structures, playbooks, and success metrics that can scale over time as the region and partner base grow. Channel & Revenue Impact Drive partner-sourced and partner-influenced p

AIRecruitment
FB
📍 London, England, United Kingdom· Full-time
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

Location: London At Freenow by Lyft, we are on a mission to empower smarter mobility decisions, helping people to move freely and cities to thrive. Reporting directly to the Senior VP of Central Operations, we are seeking a visionary Director of Premium Mobility Segments (Europe). This is a high-octane leadership mandate designed to spearhead Freenow by Lyft evolution into the definitive premium mobility leader across the continent. You will own the strategy to rapidly scale our European Premium segment, driving a monumental step-change in market share and setting new industry benchmarks. This role is a cornerstone of Freenow by Lyft global growth engine. You will be the architect of our premium sector expansion, elevating brand equity and capturing structurally superior margins. By harmonising sophisticated European product alignment with aggressive local growth and operational excellence, you will ensure Freenow by Lyft remains the unrivaled choice for premium mobility, delivering high-impact results that resonate globally. YOUR DAILY ADVENTURES WILL INCLUDE: European Premium Strategy: Define and execute long-term growth roadmaps, using London as an anchor for broader European expansion and scaling. Business Development: Drive premium supply growth by building profitable partnerships and serving as the primary face of Lyft Premium in Europe. Demand Generation: Collaborate with marketing teams to build segment demand through effective partnerships and campaigns. P&L & Financial Forecasting: Maintain full P&L ownership, ensuring target margins and accurate growth forecasting. Operational Framework: Create a scalable operating model for the Premium segment while ensuring compliance and localized deployment. Service Standards: Enforce "best-in-class" luxury experience standards, covering vehicle quality, safety, and driver behavior to ensure premium brand differentiation. Cross-Functional Alignment: Lead product and technical requirements for p

AIGoExcelMarketing
M
📍 London, England, United Kingdom
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Vice President, Finance Business Partner, Payment Networks The Vice President, Finance Business Partner -- Payment Networks at Mastercard will be a senior finance leader and strategic business partner in the Payment Networks Organization, providing leadership across business strategy, growth priorities, financiak planning, performance management, investment prioritization, and decision support. This VP will lead a finance team within Payment Networks responsible for real time payments (RTP) – across international markets and RTP global products and engineering -- requiring effective business partnering and translating business, product, engineering, and regulatory requirements into financial insights, actionable plans, and executive-ready recommendations. This role partners closely with Business teams, Product, Engineering, regional and Corporate Finance, People & Capability and Controllership teams to ensure financial outcomes are aligned with organizational goals, governance expectations, and Mastercard’s strategy. The ideal candidate is a strategic finance leader with strong business judgment, executive presence, and the ability to lead through ambiguity in a fast-paced and rapidly evolving environment. Responsibilities: • Lead Finance Business Partner agenda for Payment Networks, RTP (ex-Uk) as a se

ExcelProject ManagementAccountingFinance
FB
📍 London, England, United Kingdom· Full-time
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

Location: Berlin, Hamburg or London Freenow by Lyft empowers smarter mobility decisions helping people to move freely and cities to thrive. We are leading the future of autonomous mobility in Europe and are now hiring a Partnership Manager - Autonomous Vehicle to drive AV partnerships for Freenow by Lyft, working across the AV ecosystem in multiple countries. You will manage European partner relationships end-to-end, cultivate a pipeline of new opportunities, and ultimately help establish Lyft as the region's preferred AV commercialisation partner. This highly collaborative, fast-paced role offers significant autonomy, a chance to decisively shape an emerging industry, and a position as Lyft's most senior AV partnership presence in Europe. The ideal candidate brings a proven track record of owning complex, ’first of a kind’ multi-party commercial relationships, from initial deal structuring through long-term growth. Prior experience in the European mobility or automotive ecosystem is a plus. You are an expert communicator, able to confidently manage complex negotiations and operate at the executive level with diverse partners across different cultures and geographies. You excel at building trusted relationships from scratch, navigating ambiguity, and driving critical deals forward with minimal day-to-day oversight. Be ready to work at the cutting edge of mobility in a multinational, diverse, highly motivated and collaborative team of passionate professionals who strive for excellence and like to have fun. Are you ready for your next ride? YOUR DAILY ADVENTURES WILL INCLUDE: Own Lyft Europe’s AV partner relationships end-to-end, serving as the primary external point of contact for partner leadership in the region Steer negotiations across our partnerships, coordinating input from cross-functional specialists and navigating complex commercial structures Lead European top-of-funnel origination, identifying, qualifyi

AIGoRustExcel
DC
📍 London, England, United Kingdom· Full-time
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

Position Overview: The research function within Diligent Market Intelligence is primarily responsible for being subject matter experts on one of the research verticals. These verticals include compensation, governance, activism, voting and risk. Key responsibilities include managing the methodology for data collection; managing outsourcer workflow; quality assurance and liaising closely with Product and Engineering teams. The Senior Research Analyst serves as a subject-matter expert within a designated research vertical such as governance, compensation, activism, voting, or broader risk domains. This role conducts oversees third-party research workflows and owns the design and continuous refinement of data collection standards, quality controls, and methodology documentation. Findings are translated into clear, actionable insights for clients, while close collaboration with Research Managers, Product, Engineering, and Data Services ensures accurate outputs, regulatory alignment, process improvements, and strong operational reporting. As a senior team member, the analyst mentors colleagues, reviews deliverables for accuracy and consistency, and brings strong analytical judgment, curiosity, and leadership to advancing both the product and the overall research function. Key Responsibilities Develop, own, and continuously refine the data collection methodology for the assigned vertical, ensuring accuracy, consistency, and alignment with regulatory and product requirements. Proactively manage and communicate workload expectations to third-party research providers, ensuring timely, high-quality data delivery. Monitor and produce management reporting on daily workflows, identifying trends, bottlenecks, and opportunities for process optimization. Train and support third-party providers on methodology, quality standards, and process updates to ensure consistent execution across all research activities. Collaborate with Res

SQLAWSGitAI
P
📍 London, England, United Kingdom· Full-time
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

ABOUT THE ROLE We are a leading streaming global fitness content company with studios around the world including London, revolutionizing the way people access and engage with fitness workouts. Our platform offers a wide range of interactive, live and on-demand fitness content that caters to users of all fitness levels, empowering them to stay fit and healthy from the comfort of their homes. As the Senior Manager of Broadcast Engineering, you will play a pivotal role in our mission to deliver high-quality, seamless, and engaging fitness content to our global audience. You will lead the Broadcast Engineering team based in London, ensuring the smooth operation and optimization of our broadcast infrastructure, content delivery systems, and broadcast equipment. This position reports to the Director of Global Production Technology. YOUR DAILY IMPACT AT PELOTON Oversee and guide the Broadcast Engineering team in designing, implementing, and maintaining an efficient and reliable broadcast studio facility to deliver the best member experience possible Collaborate with global broadcast engineering leads to maintain parity and system wide connectivity between facilities Manage the procurement, installation, and maintenance of all broadcast equipment, ensuring their proper functioning and readiness for live and on-demand fitness classes Collaborate with cross-functional teams, including Content Production Operations, IT, and Product, to streamline content workflows, improve efficiency, and enhance the overall broadcast transmission process Stay up-to-date with the latest trends, advancements, and emerging technologies in broadcast engineering and streaming to propose and implement cutting-edge solutions Lead the team in promptly addressing technical issues and incidents, minimizing downtime and disruptions to the streaming service Mentor and guide the Broadcast Engineering team members, fostering a culture of learning, growth, and innovation YO

RedisAWSRestAI
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📍 London, England, United Kingdom
✓ Quality checked

ABOUT THE ROLE We are seeking a highly organized, proactive, and detail-oriented Coordinator, International Events to join our team. In this role, you will support the planning, coordination, and physical execution of our international live events roadmap across active markets. Sitting at the intersection of event operations, member engagement, and brand execution, you will partner closely with the Senior Manager to bring high-impact global activations to life. Reporting directly to the Senior Manager, International Events, you will own essential operational workflows from building event web pages and managing ticketing platforms to tracking expenses, handling vendor logistics, and supporting on-site execution. If you thrive in a fast-paced environment, love bringing brand experiences to life, and take proactive ownership of your work, this role is for you. YOUR DAILY IMPACT AT PELOTON Assist across all phases of event planning and execution, including venue sourcing, vendor coordination, resource management, AV technicians and other suppliers Build and manage event web pages, workflows, and guest management systems (RSVP/ticketing platforms) across multiple teams Serve as the primary point of contact for member inquiries, managing event-related communication channels (pre and post event) and delivering top-tier customer service to our community Develop, update, and maintain detailed event timelines and detailed run-of-show schedules and operational documentation to ensure cross-functional alignment and on-time delivery Oversee event registration workflows and attendee record-keeping, ensuring clear communication and smooth access for VIPs, media, and general guest and members Provide hands-on, on-site support during activations - managing setup, assisting staff, overseeing guest check-in, troubleshooting live issues, and ensuring a seamless experience for members and attendees Assist in tracking line-item expenses, processing vendor invoices, and providing regular

AIProject ManagementLogisticsRecruitment
T
📍 London, England, United Kingdom
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

About Taskrabbit: Taskrabbit is a marketplace platform that conveniently connects people with Taskers to handle everyday home to-do’s, such as furniture assembly, handyman work, moving help, and much more. At Taskrabbit, we want to transform lives one task at a time. As a company we celebrate innovation, inclusion and hard work. Our culture is collaborative, pragmatic, and fast-paced. We’re looking for talented, entrepreneurially minded and data-driven people who also have a passion for helping people do what they love. Together with IKEA, we’re creating more opportunities for people to earn a consistent, meaningful income on their own terms by building lasting relationships with clients in communities around the world. Taskrabbit is a hybrid company with employees distributed across the US and EU and a Built In — Best Places to Work (2022, 2023, 2024, 2025) continually ranked across multiple national and regional categories. Join us at Taskrabbit, where your work will be meaningful, your ideas valued, and your potential unleashed! This role operates on a hybrid schedule requiring two days of in-office collaboration per week in our London office (Soho). This is a mat leave coverage contract that we expect to go for 8 to 9 months in duration. About the Role Join our team as a Marketing Lead and play a key role in driving Taskrabbit's growth across the UK market. This role combines ownership of the UK's go to market strategy with hands-on execution - from local activations and metro-level initiatives to partnerships. It's ideal for someone who thrives in fast-paced, cross-functional environments, is equally comfortable with data and with people, and is passionate about growing a two-sided marketplace. This role reports to the UK Senior Country Manager, working closely with central Marketing Channel Leads, Tasker Operations, Product and other global teams. The Marketing Lead executes on the country-level top-of-funnel commercial and marketing strategy

Artificial IntelligenceAISEOSEM
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📍 London, England, United Kingdom· Full-time· Remote
✓ High-confidence listingCompany trend +37.5%
Quick readStrong listing-quality and freshness signals

🚀 About WRITER WRITER is where the world's leading enterprises orchestrate AI-powered work. Our vision is to expand human capacity through superintelligence. And we're proving it's possible – through powerful, trustworthy AI that unites IT and business teams together to unlock enterprise-wide transformation. With WRITER's end-to-end platform, hundreds of companies like Mars, Marriott, Uber, and Vanguard are building and deploying AI agents that are grounded in their company's data and fueled by WRITER's enterprise-grade LLMs. Valued at $1.9B and backed by industry-leading investors including Premji Invest, Radical Ventures, and ICONIQ Growth, WRITER is rapidly cementing its position as the leader in enterprise generative AI. Founded in 2020 with office hubs in San Francisco, New York City, Seattle, Austin, Chicago, and London, our team thinks big and moves fast, and we're looking for smart, hardworking builders and scalers to join us on our journey to create a better future of work with AI. 📐 About the role At WRITER, our enterprise customers are building mission-critical AI applications that transform how their businesses operate. As a senior support engineer, your top priority is helping our developer personas and technical users succeed with our platform. You'll act as a leading voice for our enterprise support function, handling intricate customer issues directly while working in a complex and ambiguous environment to drive impactful value across our customers' businesses. You'll collaborate closely with Customer Success, Education, Product, Engineering, and Sales to create great experiences and help customers get the most out of the platform. By leveraging an automation-first mindset, you'll scale our support operations and use our own AI tools to solve problems faster and more efficiently. This role is available for hybrid work in our New York City and London hubs. and you will report directly to the manager of support engineering. 🦸🏻‍♀️ What you'll do Own

PythonAWSGCPAI
W
📍 London, England, United Kingdom· Full-time· Remote
✓ High-confidence listingCompany trend +37.5%
Quick readStrong listing-quality and freshness signals

🚀 About WRITER WRITER is where the world's leading enterprises orchestrate AI-powered work. Our vision is to expand human capacity through superintelligence. And we're proving it's possible – through powerful, trustworthy AI that unites IT and business teams together to unlock enterprise-wide transformation. With WRITER's end-to-end platform, hundreds of companies like Mars, Marriott, Uber, and Vanguard are building and deploying AI agents that are grounded in their company's data and fueled by WRITER's enterprise-grade LLMs. Valued at $1.9B and backed by industry-leading investors including Premji Invest, Radical Ventures, and ICONIQ Growth, WRITER is rapidly cementing its position as the leader in enterprise generative AI. Founded in 2020 with office hubs in San Francisco, New York City, Seattle, Austin, Chicago, and London, our team thinks big and moves fast, and we're looking for smart, hardworking builders and scalers to join us on our journey to create a better future of work with AI. 📐 About this role This is a chance to help shape the next chapter of WRITER's product at a moment when generative AI is redefining how work gets done. As senior staff product manager, you'll report directly to Wil Pong, VP of Product, and operate as a force-multiplier across the product organization — setting direction where it's unclear, aligning stakeholders, and making sure our most critical initiatives ship with excellence. You'll own ambiguous, high-impact problem spaces that span multiple product areas and teams, and you'll be equal parts strategist and operator. One moment you're shaping a multi-quarter roadmap; the next you're rolling up your sleeves to unblock execution. We're looking for someone who thrives at the intersection of customer empathy, technical depth, and business judgment — and who is energized by turning complex, evolving AI capabilities into products customers love. 🦸🏻‍♀️ Your responsibilities Drive high-impact product initiatives end-to-end, from di

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