Senior Client Services Partner

At PubMatic, we’re shaping the future of digital advertising - helping brands and agencies win in an open, addressable ecosystem.

We’re looking for a Senior Client Services Partner to join our London-based Advertiser Solutions team and play a hands-on role in bringing programmatic deals to life. You’ll work at the intersection of data, technology, and trading expertise, partnering closely with agencies and brands to optimise campaigns, unlock growth, and turn performance insights into real impact across the PubMatic platform.

What you’ll focus on

• End‑to‑end post‑sale campaign management: deal approval, activation, optimisation, and renewal
• Deal setup, campaign launches, pacing, troubleshooting, and ongoing optimisation
• Performance analysis and data‑driven recommendations to drive KPIs and revenue
• Weekly/monthly reporting, QBRs, and inventory performance analysis
• Hands‑on DSP trading and optimisation across DV360, TTD, Amazon DSP, or similar
• Cross‑functional execution with Sales, Strategy, Addressability, Activate Trading, and Deal Desk
• SPO support, proposal development, and performance tracking
• Process improvements, documentation, and operational best practices

We’d love you to have

• Experience in Programmatic Trading, Client Services, or Account Management within AdTech (typically around 5 years)
• Hands‑on experience with major DSPs (DV360, TTD, Amazon DSP, or similar)
• Strong understanding of programmatic buying/selling, pricing models, and optimisation strategies
• Advanced Excel skills and confidence analysing campaign performance data
• Experience with Salesforce, Looker, Tableau, or PowerBI (preferred)
• Fluency in English; additional European language a plus

Why choose PubMatic? 

Recognized as a ‘Great Place to Work’ 10 years running, we prioritize empowering you by fostering diversity, and creating a high-trust, high-performance culture in a fun and collaborative environment with excellent benefits.

PubMatic’s UK benefits are designed to support your health, wellbeing, and life beyond work. You’ll have access to private medical insurance with Vitality (including wellness rewards), dental and eye care, mental health support, and generous sick leave. We also offer 25 days’ annual leave, enhanced parental leave, life assurance, ongoing training, childcare savings through YellowNest, and great on‑site perks like free catered lunches and regular social events - helping you feel supported, valued, and able to do your best work.

"If you don’t meet every requirement but believe you’d be a strong fit, we encourage you to apply."

Our commitment to inclusion

PubMatic is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

All qualified applicants will receive consideration for employment without regard to race, colour, religion, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. We believe diverse perspectives make us stronger and drive better outcomes for our people, our clients, and our business.

Ready to help shape the future of programmatic advertising? Apply today and grow your career with PubMatic