Subject Matter Expert, Fraud & Chargeback

Justt helps many of the worlds 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.

Were 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 youll 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.

The Role. You are Justts externally facing chargebacks and payments expert in the US. You are not quota-carrying but you are measured on revenue: you shorten sales cycles raise win rates on strategic deals and make Justt the name US payments leaders think of first for disputes.

You sit between Sales Partnerships Marketing Customer Success and Product. You are the trusted expert in the room with customers and the voice of the US market inside Justt.

Key responsibilities

1. Senior SME for revenue growth and strategic accounts (20%)

• Be the go-to payments and chargebacks expert for US strategic merchants PSPs and PayFacs before and after the sale.
• Join business reviews and escalations on top US accounts when executive credibility is needed then hand operational follow-up to CSM and SE.
• Spot expansion angles (new MIDs regions PSPs alerts/RDR strategy) and bring them to the account owner.

2. External representation: conferences events and forums (25%)

• Represent Justt at key US events: MRC MAG PLS Safeguard etc.
• Lead roundtables breakfast briefings panels and fireside chats yourself; bring customers on stage with you.
• Sit on industry bodies and working groups (e.g. MRC committees) and turn what you hear into Justt intel.
• Help recruit US members for the Customer Advisory Board and Justt Council and co-host sessions.

3. Partner with Sales on complex high-value deals (35%)

• Join executive calls on enterprise deals: chargeback strategy ROI framing objection handling and late-stage validation.
• Run dispute-strategy workshops with Heads of Payments Risk and Operations (alerts vs representment vs automation evidence quality network monitoring programmes).
• Support PSP acquirer and PayFac co-selling with domain credibility.
• Prep AEs before key meetings and coach them on the payments story so the team gets stronger without you in every call.

4. Thought leadership and client-facing content (15%)

• Publish an original point of view at a steady pace: articles LinkedIn webinars podcasts and pieces in outlets like The Paypers.
• Interview customers to build case studies and reference stories for the US pipeline.
• Build reusable assets (talk tracks one-pagers benchmark decks) with Marketing and Enablement.

5. Voice of the customer internally (5%)

• Turn US customer and market feedback into clear prioritised product input with Product and CS.
• Share scheme and regulatory changes with Sales CS and Product as they happen with a short what this means for our merchants note.
• Feed US insight into go-to-market choices: target verticals messaging and event mix.

Requirements:

Must have

• 7 years in payments chargebacks fraud or risk at an enterprise merchant PSP acquirer scheme or payments SaaS vendor
• Deep knowledge of Visa Mastercard and American Express dispute rules alerts and RDR 3DS and monitoring programs
• Proven track record supporting complex enterprise sales (pre-sales advisory or SME role)
• A working network among US Heads of Payments Fraud and Risk
• Strong public speaker with a record of panels talks or published content
• Commercial mindset: can link dispute strategy to merchants revenue cost and customer experience and Justts commercial objectives
• Works independently and creates momentum fast without formal authority while adapting to shifting business needs

Nice to have

• Experience in high-dispute verticals: travel and hospitality digital goods subscription marketplaces gaming
• Membership of MRC MAG or similar bodies
• A clear view on AI and agentic commerce and what they mean for disputes and liability
• Comfortable using AI tools to research analyze and prep at speed

Reporting location and ways of working

• Reports to: Senior Director Payments & Chargebacks Strategy
• Location: US Eastern Time Zone (NYC or Tampa preferred)
• Travel: 35% primarily within the US
• Why join: you shape how US merchants handle disputes as AI and agentic commerce change the rules backed by a team by a team that wants your voice out front.

Benefits Perks:

Health dental & vision insurance

Equity / stock options

Generous PTO company holidays

Parental leave

Company-wide shut down every last day of the quarter

Company-wide events

Compensation: 130k-150k