Description
Join COLIBRIX ONE – Innovating the Future of Payments

At COLIBRIX ONE*, we’re building advanced, AI-powered payment technologies that support Payment Service Providers (PSPs), Electronic Money Institutions (EMIs), and neobanks across the EU and the UK. As a fully licensed Electronic Money Institution (FCA Reference No. 927920) and holder of a Financial Institution Licence issued by the MFSA, as well as a principal member of both VISA and Mastercard, we provide comprehensive, real-world financial solutions that include:
- General card processing
- Digital wallet infrastructure
- Cross-border merchant accounts
- Alternative payment methods (APMs)
- Corporate accounts for legal entities

We’re a fast-growing team with a passion for innovation, security, and scalability. Our culture values curiosity, collaboration, and impact - and we’re looking for talented professionals who are ready to shape the future of fintech.
At COLIBRIX ONE, your work directly powers the digital economy. If you're eager to solve meaningful challenges and build with purpose,



we’d love to hear from you.
About the Role
We are looking for an experienced Risk Specialist with deep expertise in card acquiring and in managing merchants operating under subscription-based (recurring billing) business models. The key area of responsibility will be the design, development, and ongoing monitoring of a system for calculating and tracking VAMP (Visa Acquirer Monitoring Program) rates, as well as managing fraud and chargeback risks.
Key Responsibilities
- Build and maintain a VAMP rate calculation system, including methodology, data sources, automation, and reporting
- Assessment of the planned subscription business model from a fraud and chargeback perspective
- Identification of operational and technical risks
- Recommendations for reducing fraud and chargeback ratios
- Review of available mitigation tools and operational approaches, including solutions such as Ethoca and Verifi, which are usuall

📌 Risk Specialist (Barcelona)
🏢 Colibrix One
📍 Barcelona