Tbilisi, Tbilisi, Georgia / Warsaw, Poland / Kraków, Poland
Belgrade, Serbia / Astana, Kazakhstan / Almaty, Kazakhstan
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.
We are looking for a Customer Support Specialist to assist clients and partners with a wide range of issues related to acquiring and payment systems. This role goes beyond basic customer service - you will handle technical inquiries, perform initial diagnostics and investigate issues affecting transaction processing. Close collaboration with internal teams and clear communication with clients are key to ensuring fast and effective resolution of technical problems.
Provide timely technical support to clients and partners regarding acquiring operations and payment systems
Register and categorize incoming inquiries, including requests for assistance, error reports, and reporting-related queries
Perform initial analysis and diagnosis of issues arising during transaction processing and payment gateway operations
Resolve simple technical issues independently and escalate more complex problems when necessary
Advise clients on setting up and using software for payment operations
Document client inquiries, including problem descriptions, actions taken, and outcomes
Collaborate with other company departments to promptly address clients' technical issues
At least 1–2 years of relevant experience in the fintech industry
Excellent written and verbal communication skills in English and Russian
Knowledge of the principles of operation, payment terminals and payment gateways
Good understanding of the technical aspects of payment processing and standard data transmission protocols in this field
Experience with incident management and monitoring systems (e.g., Intercom, JIRA, Grafana, Asana)
Experience with any ticketing/CRM system
Quick learning ability and adaptability to new information
A proactive and problem-solving mindset with excellent organizational skills
Excellent communication skills and ability to explain complex technical concepts in simple terms
Ability to work in shifts, including both day and night, to ensure 24/7 customer support
Opportunity to shape the future of fintech solutions within a growing company
A collaborative and supportive team environment
Continuous learning and development opportunities to enhance your skills and career growth
Competitive salary
Paid vacation
Fully remote work
Employment Type: B2B Contract
Working schedule: Shift-based, including both day and night shifts (24/7 rotation)
* 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.
Published on: 8/3/2026

Colibrix ONE
From seamless acquiring solutions to smart virtual cards and modern bank account services, COLIBRIX ONE empowers your business to manage, grow, and scale your financial operations – all in one place. Tailored, efficient, and future-ready, our tools are built to support your unique journey in the digital economy.
A broad range of services is offered: global card processing coverage, digital wallet operations around the globe, cross-border merchant accounts and payment solutions, multiple APMs support, and current corporate accounts for legal entities.
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