Enterprise Customer Success Manager London

Justt helps many of the world's largest and most recognizable brands turn chargebacks from a constant headache into a managed, predictable part of doing business. Our AI-driven platform powers chargeback operations at scale, automating disputes end to end, recovering revenue that would otherwise be lost, and removing a major operational burden from finance, risk, and operations teams across multiple regions and verticals.

We're a global company with teams across markets, and disciplines, working closely with leading players in the payments ecosystem. Our culture is built on clear thinking, collaboration, and a strong sense of ownership. At Justt, you'll partner with product, engineering, data, success and go-to-market teams to build technology that sits at the core of modern payments, and has a direct, measurable impact on the bottom line for some of the biggest companies in the world.

We're looking for an Enterprise Customer Success Manager to join our team in London. As a trusted advisor to our customers, you'll represent both the voice of Justt and the voice of the customer, driving growth, guiding clients through challenges, and ensuring long-term success. You'll work across commercial, technical, and product functions, partnering with diverse payment stakeholders externally and multiple internal teams to deliver measurable value and sustainable expansion.

• Manage a portfolio of top-tier enterprise customers across commercial, technical, support, and product dimensions
• Analyze portfolio performance, combining data and customer feedback to generate actionable payment insights
• Identify and execute expansion opportunities end-to-end to achieve account growth targets
• Define and drive retention strategies through structured account plans to meet retention goals
• Lead business review meetings and engage senior management to strengthen multi-level stakeholder relationships
• Act as the go-to expert on new feature releases, ensuring smooth and effective customer adoption
• Collect and communicate client feedback to Product and R&D teams to influence roadmap priorities
• Deliver client training and enablement sessions to drive value realization
• Collaborate cross-functionally with Sales, Product, and Marketing to expand Justt's regional presence

• 5+ years of experience as a Customer Success Manager managing enterprise accounts
• Proven track record in project management and cross-functional collaboration
• Strong analytical mindset with the ability to interpret data and translate it into insights and actions
• Demonstrated success in building and growing long-term, value-driven customer relationships
• Comfortable operating in fast-paced, dynamic environments
• Willingness to travel several times a year
• Experience in the payments industry - an advantage