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September 14, 2026

System Analyst (Cards & Payments)

Senior • Remote

Warsaw, Poland

Quick Facts

  • International banking project in the Cards & Payments domain
  • Coverage: authorization, clearing, settlement, and reconciliation

Description

The role supports analysis and development of systems for debit/credit cards, including card lifecycle, limits, blocks, and transaction processing. You will work on integrations with card processing platforms and core banking systems, including Visa/Mastercard, and perform end-to-end analysis of authorization → clearing → settlement flows in a high-availability, secure environment.

Responsibilities

  • Translate business requirements into functional/system requirements and technical solutions
  • Analyse transaction flows, message mappings, and system integrations
  • Design changes across authorization, card lifecycle, transaction processing, limits, fees, and reconciliation
  • Create API specifications, sequence diagrams, data mappings, and technical documentation
  • Collaborate with developers, QA, architects, and Cards/Payments teams throughout delivery and testing
  • Troubleshoot transaction issues through logs, message flows, processing errors, and data inconsistencies

Requirements

  • Experience as a System Analyst / IT Analyst in banking, fintech, or Cards & Payments
  • Practical understanding of authorization, clearing, settlement, and reconciliation
  • Knowledge of ISO 8583 and card-processing integration architecture
  • Experience with APIs, message flows, data mappings, and system integrations
  • Strong technical documentation and requirements analysis skills
  • Good English for international engineering environments

Benefits

  • Team of interdisciplinary technology experts with a flat hierarchy
  • Secure, permanent full-time job; dynamically growing for over 20 years
  • Cooperation with experts in their field
  • Ability to work with the latest technologies based on the highest standards of development
  • Multisport card and medical insurance
  • Sea adventures; regularly sail in the Caribbean, Mediterranean or North Sea

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