Relationship Manager

Company: Harrington Starr
Apply for the Relationship Manager
Location: Greater London
Job Description:

This is a high-impact client-facing revenue role within a scaling financial infrastructure provider operating across payments, banking and digital assets.

The business delivers cross-border payment capabilities, banking infrastructure and settlement solutions to clients operating in complex, regulated and often high-risk sectors globally.

Following continued growth, they are hiring a Relationship Manager to take ownership of a portfolio of clients across iGaming and CFD / trading, with a clear mandate to grow revenue and deepen client engagement.

The Role

This is a commercial account management position with a strong focus on revenue expansion.

You will inherit an existing portfolio and be responsible for:

  • Growing wallet share
  • Increasing product adoption
  • Identifying new commercial opportunities across payments and banking infrastructure

You’ll work closely with clients operating in high-volume, cross-border environments, where performance, reliability and regulatory alignment are critical.

What You’ll Be Doing

  • Managing and growing a portfolio of iGaming and CFD / trading clients
  • Driving revenue expansion through upsell and cross-sell
  • Identifying opportunities across:
  • Payment flows and optimisation
  • Cross-border settlement
  • Multi-currency accounts
  • Alternative rails (including digital assets where relevant)
  • Acting as the primary commercial point of contact for your clients
  • Building deep relationships with senior stakeholders (commercial, payments, treasury)
  • Monitoring client performance and proactively identifying growth levers
  • Working closely with compliance, operations and product teams to deliver solutions
  • Supporting renewals, renegotiations and commercial structuringMaintaining strong pipeline visibility across your account base

What They’re Looking For

  • 5+ years’ experience in payments, fintech or financial services
  • Proven experience managing and growing high-value client relationships
  • Strong exposure to:
  • iGaming / gambling
  • CFD, FX or trading platforms
  • Demonstrated ability to increase revenue within existing accounts
  • Good understanding of:
  • Cross-border payments
  • Payment processing / PSP models
  • Experience working in regulated or complex payment ecosystem
  • Fluency in Russian (essential)

Profile

  • Commercially driven – focused on revenue
  • Strong relationship builder with a consultative approach
  • Comfortable operating in fast-paced, high-growth environments
  • Able to navigate complex stakeholder and regulatory landscapes
  • Proactive, accountable and opportunity-focused

Why This Role

  • Own and grow a high-value, high-volume client portfolio
  • Work at the forefront of global payments and financial infrastructure
  • Exposure to complex, international client environments
  • Clear opportunity to drive meaningful revenue impact

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Posted: April 10th, 2026