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:

- Integral 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/'re looking for a Transaction Monitoring Specialist with strong analytical skills to detect fraud, assess risk, and ensure compliance with AML/CTF regulations and card scheme rules. You will monitor transactions in real time, investigate suspicious activity, and support improvements in monitoring processes.

Key Responsibilities

- Monitor deposits and review daily fraud reports to ensure merchant compliance with Visa and Mastercard programs - Conduct real-time transaction monitoring for both business and individual clients - Analyze large volumes of transaction data to detect suspicious patterns and potential fraud

- Perform periodic evaluations of client accounts and website functionality, including test transactions,



to ensure compliance - Investigate merchants and portfolios to assess risk, ensure compliance, and detect fraudulent or illegal activities - Identify potential money laundering, terrorist financing, and sanctions evasion scenarios

- Collect and manage additional client data related to completed transactions - Address operational monitoring issues promptly, escalating and reporting suspicious activities as needed - Ensure all client transactions comply with AML/CTF procedures and guidelines

- Assist colleagues from other departments with AML/CTF-related matters - Provide insights and recommendations to enhance transaction monitoring efficiency

What you need to succeed in this role

- Minimum of 2 years of experience in AML - Strong understanding of AML/CTF regulations and industry best practices - Familiarity with customer due diligence (CDD) and enhanced due diligence (EDD) procedures

- Familiarity with payment screening processes - Excellent analytical and problem-solving skills, with strong attention to detail - Ability to handle confidential information - Proficiency in Microsoft Office and AML software/tools

- Certification in AML/CTF or a related field is a plus - Experience working in a fast-paced environment - Motivation to learn and contribute to ongoing process improvements - Strong written communication skills, with the ability to convey complex information clearly

- Fluency in English (additional languages are considered an asset)

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 COLIBRIXONE. Employment will be under the appropriate legal entity based on the role and location.

📌 Transaction Monitoring Specialist (Madrid)
🏢 Colibrix One
📍 Madrid