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September 21, 2026

Senior System Business Analyst

Senior • On-site

208,000 - 270,400 PLN/yr

Katowice, SL, Poland

Quick Facts

  • Senior System Business Analyst for a long-term banking payments transformation
  • Hybrid work: at least 1 day per week in Katowice

Description

You will support a strategic transformation of a bank’s card area by moving business logic for fees, commissions, and subscriptions into a new application.

The role focuses on analyzing existing business/system logic, modeling business processes and data flows, and defining REST API and integration contracts in a microservices architecture. You will also coordinate requirements across multiple backend teams (Java) and support migration to cloud environments.

Responsibilities

  • Analyze existing business logic and system logic for fees, commissions, subscriptions, and payment cards
  • Identify, analyze, and document business and system requirements
  • Model business processes and data flows
  • Analyze integrations between bank systems based on REST API
  • Define and refine API and integration contracts for microservices architecture
  • Collaborate with business teams, architects, developers, and QA
  • Coordinate the delivery of requirements across multiple project teams in a Java backend environment
  • Support migration of solutions to cloud environments
  • Prepare recommendations, support decision-making, report work status, and identify risks

Requirements

  • Minimum 5–6 years of experience as a System Business Analyst or System-Business Analyst
  • Experience delivering projects in the banking/financial sector
  • Very good knowledge of REST API-based integrations
  • Strong ability to analyze complex backend systems and understand microservices architecture and inter-system communication
  • Practical skill translating business requirements into system requirements
  • Experience analyzing processes related to payments, settlements, fees, commissions, or payment card products
  • Ability to use lightweight UML guidelines for modeling
  • High communication, presentation, and organizational skills; ability to lead end-to-end topics and make decisions
  • Ready for hybrid work in Katowice (minimum 1 day/week in the office)
  • English proficiency at B2–C1

Benefits

  • Private medical care
  • Multisport card
  • Modern equipment provided by the company, with software and configuration
  • Support for setting up and running business activity (for candidates without experience)
  • Recruitment process: two technical interviews with managers (online; up to 1 hour each)
  • Long-term cooperation with compensation: 100–140 PLN net/hour + VAT

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