Key Account Manager Assistant

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:  

• Global 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 are seeking a Key Account Manager Assistant who is motivated to work on-site at our Barcelona office. You will play a key role in supporting our Client Management team with daily client servicing, documentation, and coordination. This position is ideal for a detail-oriented and organized professional eager to grow their career in fintech and client relationship management.

Key Responsibilities

• Assist Key Account Managers in daily client servicing activities
• Provide support in preparing contracts, agreements, and related documentation
• Enter and maintain accurate client data in internal systems
• Support client onboarding processes and documentation collection
• Coordinate with internal departments (compliance, finance, operations)
• Handle administrative and organizational tasks related to client accounts
• Monitor task progress and ensure timely follow-ups
• Help maintain structured and up-to-date client records

Responsibilities

• Strong attention to detail and organizational skills
• Good communication skills and willingness to learn
• Responsible, proactive, and able to manage multiple tasks
• Team player with a positive and solution-oriented mindset
• Basic understanding of financial services or willingness to learn
• Ability to work in a fast-paced environment
• Fluency in English and Russian

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.