Senior Account Manager - Buyer Development (Programmatic Media)

Expand Executive Search Ltd; City of London; On-site; GBP 50,000 - 70,000; Full time

Job summary

A leading digital advertising company in the UK is seeking a Senior Account Manager – Buyer Development to drive revenue and enhance client relationships. The ideal candidate has 5–7 years of experience in programmatic advertising and strong analytical skills. You will manage key client campaigns and collaborate with cross-functional teams to ensure campaign success. This role offers an opportunity to thrive in a fast-paced, innovative environment.

Qualifications

• 5–7 years of experience in digital advertising or related fields.
• Strong understanding of the programmatic ecosystem.
• Experience in leading cross-functional initiatives.

Responsibilities

• Build, launch, and optimise private marketplace deals.
• Analyse campaign performance for improvements.
• Act as operational and technical lead in client meetings.
• Troubleshoot campaign delivery issues.
• Be the main contact for client communications.

Skills

Digital advertising

Programmatic operations

Yield management

Ad tech account management

Analytical skills

Communication skills

Relationship management

Job description

About the Opportunity

A global leader in programmatic advertising is seeking a Senior Account Manager – Buyer Development to join its dynamic EMEA team.

This company powers digital advertising across display, video, app, and CTV — helping brands, agencies, and consultancies optimise their programmatic investments through premium inventory, private marketplaces (PMPs), and data-driven campaign execution.

As Senior Account Manager, you’ll work closely with major buyers to deliver high-performing campaigns, manage private marketplace deals, and strengthen long-term commercial relationships. You’ll play a pivotal role in driving revenue and ensuring best-in-class partner experience in a fast-paced, innovative environment.

What You’ll Do

• Build, launch, and optimise premium private marketplace (PMP) and RTG deals for key brands and agencies.
• Analyse campaign performance and identify opportunities to improve yield, efficiency, and ROI.
• Act as the operational and technical lead alongside the sales team in client meetings.
• Troubleshoot deal issues and ensure flawless campaign delivery.
• Be the main point of contact for client communications, performance updates, and product insights.
• Collaborate cross-functionally with Product, Sales, and Account Management teams to deliver revenue goals.
• Deliver data-driven recommendations and performance reports to stakeholders.

What You’ll Bring

• 5–7 years of experience in digital advertising, programmatic operations, yield management, or ad tech account management.
• Strong understanding of the programmatic ecosystem (DSPs, SSPs, RTB, PMP, and open exchange).
• Excellent relationship management skills and experience leading cross-functional initiatives.
• Confident communicator, able to simplify complex technology for clients.
• Proactive problem solver with strong analytical and Excel skills.
• Highly organised with the ability to manage multiple projects and deadlines simultaneously.
• Results-driven mindset with a focus on continuous improvement and innovation.

Why Join

You’ll be part of a global, forward-thinking organisation that champions innovation, collaboration, and continuous learning. The team values humility, curiosity, and drive — and believes that success is built through partnership, integrity, and adaptability.

Interested?

If you’re a commercially minded programmatic specialist who thrives on data, relationships, and results — we’d love to hear from you.