Enterprise Customer Success Manager London

Justt Fintech Ltd.; City of London; On-site; GBP 70,000 - 90,000; Full time

Job summary

A leading fintech firm in London is seeking an Enterprise Customer Success Manager to manage top-tier customer accounts. You will drive growth, ensure long-term customer success, and collaborate across functions. The ideal candidate has over 5 years of experience in customer success and project management, with a strong analytical background. This role involves regular travel and works within a dynamic environment, aiming to deliver measurable outcomes for clients.

Qualifications

• 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.

Responsibilities

• Manage a portfolio of top-tier enterprise customers.
• Analyze portfolio performance for actionable insights.
• Identify and execute expansion opportunities.

Skills

Customer Success Management

Project Management

Analytical Mindset

Relationship Building

Job description

Enterprise Customer Success Manager London

About The Position

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.

What you’ll do

• 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

Requirements

• 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