Client Services Partner

The Client Solutions Partner (CSP) is responsible for managing all post-sale client activity across PubMatic’s Advertiser Solutions portfolio. This includes ensuring seamless deal activation, successful campaign delivery, ongoing optimisation, and revenue growth across PMPs and Activate spend.

The CSP acts as a trusted partner to agencies and brands, combining hands-on DSP trading expertise with strategic, data-driven recommendations to maximise performance, client satisfaction, and incremental revenue opportunities. This role sits at the intersection of data, technology, and trading execution, supporting clients across the PubMatic platform while collaborating closely with internal teams to deliver commercial success.

Key Responsibilities

Client & Campaign Management

• Manage all post-sale activity from deal approval to activation, optimisation, and renewal

• Execute deal setup, campaign launches, pacing checks, troubleshooting, and optimisation workflows

• Provide proactive, strategic recommendations to exceed client KPIs and unlock incremental revenue

• Deliver weekly and monthly reporting, QBR materials, inventory analysis, and performance insights

• Build and maintain strong relationships with day-to-day agency contacts and traders

• Participate in pre-sales calls, agency meetings, and industry events as needed

• Act as a trusted partner, ensuring timely communication and high-quality service delivery

DSP Trading & Performance Expertise

• Hands-on trading and optimisation across DV360, The Trade Desk, Amazon DSP, or similar platforms

• Guide buyers on DSP setup, best practices, bidding strategies, and audience optimisation

• Support internal DSP testing, activations, and campaign tracking

• Analyse campaign performance data to identify spend blockers and improve delivery outcomes

Cross-Functional Collaboration

• Partner closely with Sales, Strategy, Addressability, Activate Trading, and Deal Desk teams

• Support SPO initiatives, proposal development, and performance tracking

• Troubleshoot technical issues and coordinate with Product and Tech teams to resolve challenges

• Contribute to regional knowledge sharing and internal alignment

Internal Operations & Process Excellence

• Maintain accurate client seat mapping, buyer account updates, and internal documentation

• Drive process improvements and contribute to best-practice documentation

• Ensure operational accuracy and efficiency across all managed accounts

Requirements

Experience & Skills

• 3+ years of experience in Programmatic Trading, Client Services, Account Management, or similar roles within AdTech

• Strong hands-on experience with major DSP platforms (DV360, TTD, Amazon DSP, or similar)

• Solid understanding of programmatic buying/selling mechanics, pricing models, optimisation strategies, and audience approaches

• Strong analytical skills with the ability to translate data into clear performance recommendations

• Advanced Excel skills and confidence analysing and presenting campaign data

• Experience with Salesforce, Looker, Tableau, or PowerBI is a plus

• Strong presentation, communication, and stakeholder management skills

Language Requirements

• Fluency in English (written and spoken)

• Additional European language skills are 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.

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