Jobs at Colibrix One

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.

Provides executive, organizational, and governance support to the Chairman. Responsibilities include diary and meeting management, tracking actions and deadlines, coordinating Board materials and management information, preparing agendas and briefing documents, following up with senior stakeholders, maintaining governance calendars, and handling confidential information. The role requires strong organization, discretion, communication, judgment, and proficiency with Microsoft 365; Jira experience and financial-services exposure are advantageous.

Perform daily transaction and financial reconciliations, maintain accounting workbooks and ledgers, manage merchant tariffs and settlements, update dashboards and foreign exchange rates, and prepare financial reports. The role also supports Account Management and Sales through ad hoc analysis while ensuring accurate data across multiple systems. Reconciliation must be completed by 10:00 AM EET/EEST.

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.

Lead projects across the card payments ecosystem, coordinating Visa, Mastercard, processing partners, payment gateway teams, and internal stakeholders. Responsibilities include monitoring scheme requirements, managing implementations, translating regulatory and technical requirements into actionable tasks, tracking timelines and dependencies, and supporting launches of new payment products and services. The role requires strong knowledge of card acquiring, payment processing, compliance, risk, and stakeholder management.

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.

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.

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.

Manage strategic merchant accounts by onboarding clients, advising on products, maintaining client records, and acting as the primary contact. Coordinate across finance, compliance, and operations, anticipate client needs, and drive improvements and innovation to enhance client experience.

Design and implement Go-based microservices for a payment gateway, ensuring security (PCI DSS), high availability and performance. Define APIs, integrate external payment providers, optimize systems, write tests, participate in architecture and code reviews, and contribute to observability and CI/CD practices.

Sell B2B fintech payment solutions across European markets: identify and qualify acquiring clients, prepare proposals, negotiate deals, meet revenue targets, represent the brand at events and online, maintain CRM pipeline, and relay market feedback to product and marketing teams.

Analyze and specify integrations with payment providers, acquirers, processors, and orchestrators. Translate business and regulatory requirements (including Visa/Mastercard rules) into developer-ready specs, define payment flows, APIs, data mappings, business rules, and error handling. Support card issuing, acquiring, core banking, Open Banking, and APMs. Maintain documentation and collaborate with Product, Engineering, Compliance, and Operations.