Partnerships Manager

• Our Company
• At Quantum, we connect global brands with high-intent consumers. We turn intent into action and complexity into clarity.

Our Mission is clear, to help smarter, faster buying decisions. Our vision, to be the world’s most used digital comparison service, delivering value and simplicity to millions.

We drive growth through data-driven affiliate marketing built for performance from day one. Every campaign is measurable, optimised in real time, and designed to scale.

With in-house tech, full-stack analytics, and a compliance-first mindset, we give our partners an edge. We drive confident decisions and growth in regulated and high-growth sectors. We’ve helped ambitious brands grow faster, smarter, and globally.

The Role

Our Rewards Commercial team is growing! We’re looking for an Account Manager to join our team in London.

In this role you will own half of our Rewards merchant portfolio across Cashback and Custard, keeping every partner healthy, renegotiating terms upward and turning existing accounts into our biggest growth lever.

Key Responsibilities

Own a portfolio of Cashback and Custard merchant partners end to end, from onboarding through to quarterly commercial reviews

Grow revenue within existing accounts through rate renegotiations, upsell deals and expansion into new offer types and spend commitments

Build early warning into the portfolio: track account health, spot churn risk before it lands and act on it

Activate new partners brought in by our Business Development team, getting them live and performing within agreed timelines

Keep account and pipeline hygiene tight, so every relationship has a plan, a next step and a clear commercial target

About You

Three to five years in account management or commercial roles in affiliate, cashback, loyalty or performance marketing

A track record of growing revenue within a portfolio, not just maintaining it

Fluent in CPA, revenue share and hybrid deal structures, and confident renegotiating them

Organised and proactive, with a systematic approach to staying ahead of your accounts

Comfortable working with performance data to diagnose account health and spot risk early

You thrive when working as part of a team

Comfortable in a fast-paced environment

Have excellent written and verbal English skills

Last but not least, you’ll have no ego!

What You’ll Get

Private Health Care (Bupa)

Hybrid Working (3 days in office)

Travel Insurance

Competitive Base Salary

Company Bonus Scheme

Paid for AI Subscription (Claude / ChatGPT / Gemini)

Market-Leading Training Programme

Recognition & Reward Scheme

Annual Company Conference

Regular Happy Hours & Team Lunches

Free Coffee, Drinks & Snacks

What’s the next step?

Our hiring process ensures we're recruiting the right people for the role. We ensure that people are as suitable for us as we are for them.

If you like the sound of what we're all about at Quantum and want to join a team where you can make an impact, please apply or contact us at [email protected].