Job Description

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.

The Solution Engineer owns the full end-to-end onboarding lifecycle for new Justt customers.

This includes gathering and defining requirements, configuring Justt’s product to match each customer’s business model, leading cross-functional execution, and ensuring the customer goes live with the correct data, integrations, and configuration to achieve maximum quality, customer satisfaction in minimum onboarding time.

The role requires strong project management, deep understanding of the product and the chargeback domain, and the ability to learn technical concepts quickly (PSPs, APIs, data flows).

xYou will guide customers through PSP connection steps, explain our APIs clearly, and translate customer flows into precise system configuration that drives case quality and performance.

1. End-to-End Onboarding Ownership

• Lead the full onboarding project, both externally with the customer and internally with Product, Engineering, Data, and Ops.
• Manage requirements, timelines, risks, and communication through to go-live.
• Deliver clear SOWs and onboarding documentation.
• Ensure the customer connects their PSP to Justt and provides all required data inputs.

1. Integration & Data Enablement

• Explain Justt’s APIs, data structure, and enrichment options in simple, customer-friendly language.
• Identify the exact data points needed per customer and the rationale behind them.
• Map customer data to Justt’s required fields and flag gaps early.
• Validate data completeness and correctness during and immediately after onboarding.

1. Product Configuration

• Translate business models, purchase flows, and policies into accurate product configurations.
• Optimize configuration to maximize evidence strength and recovery performance.
• Document configuration decisions and ensure internal alignment.

1. Performance & Quality Monitoring

• Monitor data accuracy and completeness during the first months post-launch.
• Track early recovery results and quickly escalate issues.
• Coordinate fixes across Product, Engineering, or customer teams when needed.

1. Chargeback Domain Expertise

• Maintain strong understanding of Justt’s chargeback strategy, evidence types, and argument logic.
• Ensure configuration and data inputs fully support high-quality cases.
• Provide structured feedback to Product regarding configuration gaps or new opportunities.

Requirements

• At least 3 years of experience in customer onboarding or implementation roles (preferably in SaaS, fintech, payments, or data-heavy products).
• Proven project management and cross-functional coordination abilities.
• Ability to learn product logic, domain knowledge (chargebacks), and technical concepts quickly.
• Technical aptitude: understanding of APIs, PSP integrations, and data flows (hands-on experience is a strong advantage).
• Basic SQL/data skills (running queries, validating datasets).
• Strong analytical and structured problem-solving skills.
• Excellent communication skills and ability to simplify technical topics for customers.
• High ownership mindset and strong attention to detail.