Risk Specialist

Colibrix One Vilniaus, Lithuania
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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 usually considered part of a broader fraud/dispute management strategy rather than standalone mitigation tools

  • Provide operational and monitoring recommendations for:

  • KPI and threshold monitoring

  • Fraud ratio tracking

  • Chargeback ratio monitoring

  • Operational escalation procedures

  • Liaise 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 Requirements

  • 3-5+ 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 models
  • Hands-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/EFM
  • Understanding of the transaction and dispute lifecycle: authorization, clearing, chargeback, representment, pre-arbitration, arbitration
  • Experience working with Visa and Mastercard reason codes, with a clear understanding of the differences between fraud and non-fraud disputes
  • Knowledge 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 datasets
  • Understanding of KYC, AML, and merchant underwriting principles in acquiring

Nice to Have

  • Experience 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 requirements
  • Experience with BI tools (Tableau, Power BI, Looker) for building monitoring dashboards
  • Experience working with card schemes on remediation programs

Personal Qualities

  • Analytical mindset and strong attention to detail
  • Ability to work with large datasets and identify patterns
  • Proactive approach to risk identification and solution proposals
  • Strong structured communication skills with business, operations teams, and card schemes

What We Offer

  • Opportunity 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.*

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