Join COLIBRIX ONE – Innovating the Future of PaymentsAt 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:Global card processingDigital wallet infrastructureCross-border merchant accountsAlternative payment methods (APMs)Corporate accounts for legal entitiesWe’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 RoleWe 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 ResponsibilitiesBuild and maintain a VAMP rate calculation system, including methodology, data sources, automation, and reportingAssessment of the planned subscription business model from a fraud and chargeback perspectiveIdentification of operational and technical risksRecommendations for reducing fraud and chargeback ratiosReview of available mitigation tools and operational approaches, including solutions such as Ethoca and Verifi, which are usually considered part of a broader fraud/dispute management strategy rather than standalone mitigation toolsProvide operational and monitoring recommendations for: KPI and threshold monitoring Fraud ratio tracking Chargeback ratio monitoring Operational escalation proceduresLiaise with international card schemes (Visa, Mastercard) on compliance with monitoring programs (VAMP, VDMP, VFMP, ECM, EFM)Ensure compliance with card scheme requirements for subscription merchants (free trial, negative option billing, recurring transactions)Mandatory Requirements3-5+ years of experience in risk management within the acquiring business (bank, PSP, payment facilitator, or processor)Proven experience working with subscription/recurring billing merchants, including free trial, auto-renewal, and negative option billing modelsHands-on experience building a VAMP rate calculation system (methodology, data sources, validation, reporting)Deep knowledge of Visa and Mastercard monitoring programs: VAMP, VDMP (Visa Dispute Monitoring Program), VFMP (Visa Fraud Monitoring Program), Mastercard ECM/EFMUnderstanding of the transaction and dispute lifecycle: authorization, clearing, chargeback, representment, pre-arbitration, arbitrationExperience working with Visa and Mastercard reason codes, with a clear understanding of the differences between fraud and non-fraud disputesKnowledge of early warning and dispute prevention tools: Ethoca Alerts, Verifi CDRN, Verifi Order Insight, RDR (Rapid Dispute Resolution)Strong SQL and Excel skills for working with large transactional datasetsUnderstanding of KYC, AML, and merchant underwriting principles in acquiringNice to HaveExperience in international acquiring (cross-border, multi-currency)Experience integrating and configuring anti-fraud systems (3DS 2.x, device fingerprinting, behavioural analytics)Knowledge of PCI DSS and card data handling requirementsExperience with BI tools (Tableau, Power BI, Looker) for building monitoring dashboardsExperience working with card schemes on remediation programsPersonal QualitiesAnalytical mindset and strong attention to detailAbility to work with large datasets and identify patternsProactive approach to risk identification and solution proposalsStrong structured communication skills with business, operations teams, and card schemesWhat We OfferOpportunity to shape the future of fintech solutions within a growing company Collaborative, horizontal team structure that values your expertise and ideas Continuous learning and development opportunities to enhance your skills and career growth Competitive salary and benefits package This position is offered within the COLIBRIX ONE. Employment will be under the appropriate legal entity based on the role and location