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 EMI (FCA reference number 927920) and a Principal Member of Mastercard, we offer 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

As a Systems Analyst, you will own the analysis and specification of integrations with payment providers, acquirers, processors, and payment orchestration platforms. You will contribute to multiple product areas, including card issuing, acquiring, and core banking systems.

Key Responsibilities

Analyze and specify integrations with payment providers, acquirers, processors, and orchestrators Translate business, regulatory, and Visa/Mastercard requirements into clear, developer-ready specifications Define payment flows, APIs, data mappings, business rules,



error handling, and edge cases Support card issuing, acquiring, core banking, Open Banking, and alternative payment methods Collaborate with Product, Engineering, Compliance, and Operations throughout development and release Maintain system documentation and clarify requirements during implementation Analyze recurring payment lifecycles, including CIT/MIT, stored credentials, retries, and dunning

What You Need to Succeed in This Role

Experience as a Systems or Business Analyst in fintech, payments, or banking Strong knowledge of payment infrastructure, transaction processing, issuing, acquiring, and core banking Experience with payment provider, acquirer, processor, or orchestrator integrations Knowledge of Visa/Mastercard rules, chargebacks, Open Banking, APMs, and payment compliance Ability to create clear functional and technical specifications, flows, diagrams, and data mappings Fluency in English and Russian

Experience with recurring payments, MIT/CIT, stored credentials, retries, and dunning is a strong plus

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.

📌 Systems Analyst (Barcelona)
🏢 Colibrix One
📍 Barcelona