Company: Grey Matter Recruitment
Location: London
Job Description:
The Company
- Established mobile AdTech business entering an exciting new phase of growth
- Proprietary programmatic technology used by leading app advertisers
- International customer base across gaming and non-gaming brands
- Strong product roadmap and continued investment across the business
- High-autonomy environment with genuine opportunities for progression
The Role
As a Senior Customer Success Lead, you’ll own a portfolio of strategic customer accounts across the UK and EMEA, helping clients maximise campaign performance while identifying opportunities to grow revenue and deepen partnerships.
- Manage and develop a portfolio of enterprise mobile advertising clients
- Drive customer retention, renewals and account growth
- Build trusted relationships with advertisers and agency partners
- Deliver business reviews and strategic performance recommendations
- Work closely with internal campaign and analytics teams to support client success
- Identify upsell opportunities and help clients maximise platform value
- Flexible remote or hybrid working
Desired Skills & Requirements
- Customer Success, Growth or Account Management experience within mobile AdTech
- Strong understanding of mobile DSPs and programmatic advertising
- Proven experience growing enterprise client accounts
- Commercially minded with a track record of upselling and expanding customer relationships
- Excellent communication and stakeholder management skills
- Additional European language skills are advantageous
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Posted: September 15th, 2026