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 RoleWe’re looking for a Treasury Specialist to support our daily financial operations, manage liquidity, and ensure smooth and timely payment processing. You’ll monitor account balances, resolve payment issues, and maintain accurate financial records, helping keep operations efficient and compliant.
Key Responsibilities• Manage liquidity
• Oversee payment transactions, verify payments and resolve issues
• Keep track of daily operational transactions and maintain accurate records
• Closely and continuously monitor account balances
• Process financial data
• Ensure cost-effective and legally compliant operations
• Organize and maintain up-to-date project documentation workflow
• Collaborate with the Financial team to support financial reporting and forecast
• Monitor subscription billing cycles, and ensure uninterrupted system operations

What you need to succeed in this role• Experience as a Back Office Specialist, Payment Specialist, Operat

📌 Treasury Specialist (Barcelona)
🏢 Colibrix One
📍 Barcelona