Senior Buyer Development Manager

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About Index Exchange:

Index Exchange is a globally trusted independent supply-side platform, powering intelligent decisioning that maximizes value for media owners. As a neutral, conflict-free exchange, we help media owners connect more effectively with the world’s leading brands, enabling marketers to achieve stronger performance while advancing efficiency, transparency, and quality across the programmatic ecosystem.

With more than 20 years of industry leadership, we continue to accelerate the ad technology evolution by applying intelligence closer to the impression and reducing waste across the supply chain. Through radically transparent practices and exceptional standards, we deliver long-term value for media owners, marketers, and partners worldwide.

What’s it like to work at Index?

Index is an exciting and fast-paced place to work. You'll be able to feed your ambition, lean into trust and transparency, and feel genuine support from your colleagues. We’re built on our core values and live them each day. They're‌ not just buzzwords.

We pride ourselves on our independence and openness, not only in our technology, but in our teams, too. Our diverse and inclusive culture celebrates how we can leverage our unique differences to help drive Index forward.

We have more than 550 Indexers around the globe dedicated to building a safe and transparent marketplace that provides a trusted experience for consumers, and we’re looking for talented professionals to help take us to the next level.

Are you ready to join the programmatic evolution?

Index Exchange (Index) is looking for a Senior Manager, Buyer Development to join our London team, with a primary focus on developing and growing our partnership with WPP Media.

In this role, you will build and strengthen relationships across WPP's UK agency and programmatic teams, identifying opportunities to drive commercial growth, increase adoption of Index Exchange's solutions and expand our presence across the group.

You'll work closely with agency partners to understand their priorities, identify new business opportunities and help connect buyers with Index's premium publisher inventory. You'll also collaborate with internal teams to support activation, marketplace development and long-term partnership growth.

Here’s what you’ll be doing:

• Develop and manage relationships across WPP Media's UK agencies, trading teams and programmatic stakeholders.

• Identify opportunities to grow existing partnerships, develop new relationships and increase commercial activity across WPP.

• Act as a key point of contact for agency partners, providing guidance on Index Exchange's products, marketplace solutions and premium publisher inventory.

• Build an understanding of WPP's business priorities and identify opportunities where Index Exchange can deliver value.

• Drive awareness and adoption of Index Exchange's marketplace solutions, working closely with agency teams to support activation and growth.

• Develop and maintain a pipeline of commercial opportunities, tracking progress and identifying areas for expansion.

• Work with internal Account Management, Product and other commercial teams to support partner needs and ensure successful execution.

• Support commercial reporting, account planning and quarterly business reviews with key stakeholders.

• Share market intelligence, buyer feedback and emerging trends with internal teams to help inform product development and commercial strategy.

• Represent Index Exchange at industry events, agency meetings and relevant partner engagements.

Here's what you need:

• 4+ years of experience in digital media, programmatic advertising, agency partnerships or adtech.

• Experience in a buyer-facing commercial, client partnerships or agency role, with a track record of developing relationships and identifying growth opportunities.

• A strong understanding of the UK agency landscape, ideally with existing relationships or experience working with WPP Media agencies.

• Good knowledge of the programmatic advertising ecosystem, including DSPs, SSPs and the digital media supply landscape.

• Commercial awareness and the ability to identify opportunities, develop partnerships and contribute to revenue growth.

• Strong communication, presentation and relationship-building skills, with the confidence to engage stakeholders at different levels.

• A collaborative approach and the ability to work effectively with internal teams and external partners.

• Comfortable working in a fast-paced, evolving technical environment, with a willingness to learn and develop expertise in new products and solutions.

Why you’ll love working here:

• Comprehensive health, dental, and vision plans for you and your dependents

• Paid time off, health days, and personal obligation days plus flexible work schedules

• Competitive retirement matching plans

• Equity packages

• Generous parental leave available to birthing, non-birthing, and adoptive parents

• Annual well-being allowance plus fitness discounts and group wellness activities

• Employee assistance program

• Mental health first aid program that provides an in-the-moment point of contact and reassurance

• One day of volunteer time off per year and a donation-matching program

• Monthly town halls and regular community-led team events

• Multiple resources and programming to support continuous learning

• A workplace that supports a diverse, equitable, and inclusive environment – [learn more here](https://can01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.indexexchange.com%2Fabout%2Fdiversity-equity-inclusion%2F&data=05%7C01%7C%7Cbd817b7937664bdeb2b008db095e285e%7Cb07c069022b843668d8d7b845d088e18%7C1%7C0%7C638114072223704542%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%…&utm_source=builderloo&utm_medium=referral&utm_campaign=jobs