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Account Manager - 12 month contract

Quantcast

London Hybrid contract

Posted: March 12, 2026

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Quick Summary

The Account Manager will be responsible for managing the client relationships, ensuring timely delivery of marketing campaigns, and providing strategic planning and execution.

Job Description

At Quantcast, we don't just build advertising technology, we revolutionize how it works. Our AI-powered Demand Side Platform (DSP) connects the world's most ambitious marketers with their ideal audiences across the open internet, delivering results that actually move the needle. Since 2006, we've been the industry's trailblazer, launching the first AI-powered measurement platform for publishers and the first AI-driven DSP. Our AI doesn't just optimize—it delivers the measurable outcomes that matter most to our clients, giving them the competitive edge they need in a crowded marketplace. Ready to join the team that's defining the future of digital advertising?

As an Account Manager, you will be responsible for managing relationships of the agency sales team’s largest accounts including focus key accounts from top-tier media, digital or general advertising agencies. You will ensure success of current running business, delivering world class advertising solutions and customer support in order to exceed expectations. You will cultivate strong partnerships with all clients and serve as the face to both external clients and internal teams throughout the organization. You’ll be responsible for both retaining and growing clients and consult with clients to understand and uncover their business needs and how our products can grow their business.

You’ll work collaboratively with the operations teams to ensure campaigns are set up for success. Finally, you will deliver insights and recommendations to your customers that lead to scaling opportunities, and up-selling of new products and services.

We're hiring for a 12 month contract role with the possibility of being made permanent.


What you'll do::

Be the main point of contact for key accounts, resolving any client issues in a timely manner, and driving the day to day business on behalf of Quantcast clients


Develop account strategy that will maximize the amount of advertiser spend with Quantcast


Consult to understand clients’ business and brand objectives, and develops data-driven analysis to make recommendations to fulfill objectives


Manage on-boarding process of specified new large accounts – act as central project manager within Quantcast to maximize client servicing and a smooth end-to-end process for strategic accounts or those with high potential


Serve as a liaison to clients regarding new product launches and advertising opportunities while ensuring that clients are satisfied with their business growth


Generate and presents post campaign analysis and uses it to develop and scale clients’ activities


Lead quarterly client business reviews that result in continuous renewal and incremental revenue


Research client needs to understand how Quantcast can support the client in meeting their business goals


Develop forward-thinking, data-driven analysis and recommendations that align with client goals and quantify high-impact opportunities with clear recommendations to pitch to clients


Who you are::

Minimum 4-5 years of client-facing experience preferably at an agency or client side; experience at a sales organisation is preferred, but not a requirement.


Strong attention to detail and an ability to onboard quickly and with a degree of autonomy.


Previous experience with ad platforms preferred.


Proven ability to achieve client partnership across portfolio of business


Proven ability to scale account revenue & grow existing business relationships


Aptitude, creativity, and a preference for working in small, collaborative teams with minimal supervision


Strategic thinking always looking to create opportunities for both clients and Quantcast


In-depth knowledge of traditional, digital and mobile media


An understanding of direct response and brand principles


Strong understanding of programmatic, attribution, and the overall digital landscape


Strong client facing experience and ability to influence key decision makers at senior levels


Proven track record of establishing and exceeding team and individual goals


Strategic thinker with the ability to work cross-functionally and lead internal/external stakeholders


At Quantcast, we craft offers that reflect your unique skills, expertise, and geographic location. On top of a competitive salary, this position includes a performance bonus, equity, and a comprehensive benefits package. For more details, visit our Careers Page and see how we support our team. We are headquartered in San Francisco with offices around the world. Quantcast is an Equal Opportunity Employer. Please see the Applicant Privacy Notice for details on our applicant privacy policy. Join the team that unlocks potential.

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