Jobs at Colibrix One

Supports corporate governance, legal entity and beneficial ownership management, document and contract drafting, legal recordkeeping, deadline tracking, and coordination with external legal providers and registrars. Prepares legal reports and assists Legal and Compliance with daily operations. The role requires strong organization, attention to detail, communication skills, and fluency in English and Russian within a regulated fintech environment.

Build, maintain, and migrate cloud infrastructure on AWS. Implement and improve IaC (Terraform), GitLab-CI pipelines, GitOps (ArgoCD), Helm charts, and Kubernetes. Troubleshoot, automate provisioning and deployments, and share knowledge with junior team members.

Manage the full card dispute lifecycle across Visa and Mastercard schemes, including chargebacks, representments, pre-arbitration, arbitration, and pre-dispute cases. Analyze transaction data, prepare documentation, monitor merchant chargeback ratios and scheme thresholds, use dispute prevention tools, and collaborate with banks, merchants, Risk, Settlement, and Compliance teams. Ensure timely responses, regulatory and scheme-rule compliance, and continuous process improvements to increase dispute win rates.

Own and grow a portfolio of complex, high-value merchant accounts within a regulated payments or fintech environment. Responsibilities include strategic relationship management, complex merchant onboarding, enhanced due diligence coordination, escalations, retention and revenue growth, portfolio risk monitoring, client advocacy, process improvement, and mentoring Account Managers. The role requires strong knowledge of payments, merchant risk, KYC/KYB, and AML compliance, plus fluency in English and Russian.

Manage B2B merchant accounts in a regulated fintech environment. Responsibilities include client onboarding and document review, advising customers on products and services, maintaining client records, serving as the primary merchant contact, coordinating with finance, compliance, and operations, and developing action plans to address client needs and improve services.

Monitors merchant, provider, and terminal traffic across payment-processing channels; oversees routing, switching, transaction limits, and Visa traffic distribution. Analyzes transaction volumes, conversion rates, anomalies, errors, and operational risks, producing reports and actionable process improvements. Collaborates with internal teams and processing partners, translates traffic analytics into insights, and delivers training on system operations and analytics.

Owns the card-issuing function and leads Visa and Mastercard requirement implementations, new product launches, payment functionality, certification, testing, and production rollout. Coordinates Product, Operations, Risk, Compliance, IT, Core Banking, processing centres, and external scheme partners. Translates scheme rules into business and technical requirements, manages dependencies and risks, supports compliance, and oversees end-to-end delivery of issuing-related initiatives.

Manage liquidity transfers, nostro accounts, currency conversions, and Visa/Mastercard clearing and settlement. Perform daily reconciliations, investigate payment and settlement discrepancies, coordinate resolutions with banks and payment providers, and follow operational controls, cutoffs, and escalation procedures. The role requires strong knowledge of SWIFT, SEPA, correspondent banking, FX operations, merchant settlement, transaction investigation, and spreadsheet-based reconciliation.

Manage B2B merchant accounts in a regulated fintech environment. Responsibilities include client onboarding and document review, advising customers on products and services, maintaining client relationships and databases, coordinating with finance, compliance, and operations, and developing action plans to address client needs. The role requires strong communication, strategic thinking, independence, and fluency in English and Russian, with payments or banking experience preferred.

Support daily fintech financial operations across Mastercard and Visa acquiring and issuing processes. Perform reconciliations against settlement reports, manage settlement processes, analyze interchange and scheme fees, evaluate partnerships and pricing changes, and assess acquiring partner profitability. Coordinate with PSPs on financial data exchange and performance tracking while identifying trends, gaps, and optimization opportunities.

Design and develop reliable Go-based payment gateway services for real-time financial transactions. Translate business needs into APIs, data models, and integrations; implement secure, PCI DSS-compliant solutions; optimize performance and concurrency; contribute to microservices architecture, testing, code reviews, and technical decisions. The role integrates payment providers and anti-fraud systems while supporting high availability, observability, scalability, and regulatory compliance.

Provide technical support to clients and partners using acquiring and payment systems. Register and categorize inquiries, diagnose transaction-processing and payment-gateway issues, resolve basic technical problems, and escalate complex incidents. Advise clients on payment software, document resolutions, and collaborate with internal teams. The role requires English and Russian communication, fintech experience, incident-monitoring and ticketing-system knowledge, and availability for rotating day and night shifts supporting 24/7 operations.

Acquire European merchants for acquiring and payment-processing solutions, focusing on low- and medium-risk businesses. Responsibilities include prospecting, needs assessment, proposal and deal structuring, negotiation, onboarding support, pipeline management, event participation, online brand representation, and sharing market insights with product and marketing teams.

Manage the full B2B sales cycle for business payment accounts across European markets. Responsibilities include prospect research, high-volume cold outreach, event networking, lead qualification, product pitching, proposal development, negotiation, closing, CRM and pipeline management, KPI achievement, client handoff to Account Management, and sharing market insights.

Provide technical support for system monitoring and service stability, administer Linux servers, investigate and escalate incidents, and maintain monitoring tools. Develop basic automation scripts and bots, integrate third-party systems through REST APIs, document recurring issues, and participate in 24/7 shift rotations. The role requires troubleshooting, incident management, monitoring, Linux administration, communication in English and Russian, and willingness to work nights, weekends, and on-call shifts.