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:

General 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.

Role Overview

As a Partnership Specialist at Colibrix One, you will support and manage our relationships with partners across the fintech ecosystem. You’ll handle daily communication, assist with operations and integrations, and make sure partners have everything they need to work effectively with us.

Key Responsibilities

Maintain strong, ongoing relationships with partners

Work closely with partners to ensure smooth daily operations

Oversee the technical processes involved in partner integration

Monitor and improve key metrics (e.g., conversion rate) and report progress to senior management

Identify opportunities to expand cooperation through upselling and cross-selling





Collaborate with internal teams daily to manage partner-related operations

Keen to explore product acquisition and gain a clear understanding of the payment flow

Represent the company at events and contribute to attracting new partners

Requirements

Technical understanding of how payment systems work, including payment flows and acquiring in general

Experience in B2B partnerships within fintech, ideally with acquirers or PSPs

Understanding of high-risk industries (gambling, crypto, etc.)

Strong negotiation and relationship-building skills

Proven ability to manage complex partner accounts and operations with attention to detail

Proactive, responsible, and able to work independently as well as collaboratively

Strong organizational and system-thinking skills

Fluent in English and Russian (proficiency in additional languages is considered an asset)

What We Offer

Opportunity to shape the future of fintech solutions within a growing international company

Collaborative and transparent team culture that values your expertise and ideas

Continuous professional growth and development opportunities

Competitive compensation and benefits package

- Employment will be offered through one of the group’s legal entities - Mellifera Kartiera Ltd, Colibrix Ltd, or Mellifera Operations Ltd - depending on the role, location, and applicable legal framework.

Please note that COLIBRIX ONE is a brand representing a group of legal entities. The employment contract will be signed with the relevant company within the group (Mellifera Kartiera Ltd, Colibrix Ltd, or Mellifera Operations Ltd) depending on the nature of the position and jurisdiction

This position is offered within the COLIBRIX ONE. Employment will be under the appropriate legal entity based on the role and location.

📌 Partnership Specialist (Card Acquiring) (Madrid)
🏢 Colibrix One
📍 Madrid