Middle System / Business Analyst (Payment Integrations)

Our team is building an international software product for the iGaming industry. We are currently strengthening our product and engineering collaboration and are looking for a System / Business Analyst who will focus primarily on payment integrations and transaction flows.

This is a middle-level role for someone who enjoys working deeply with system logic, APIs, edge cases, and real-money transaction scenarios.

Responsibilities

• Design and document integrations with payment providers (PSPs), including transaction flows (deposits, withdrawals, refunds, callbacks, retries).
• Analyze and describe system logic, transaction states, status mapping, and error-handling scenarios.
• Work with external API documentation and define clear integration contracts.
• Create detailed technical and system requirements, including edge cases and implementation nuances.
• Support integration testing before and after releases, validating payment flows and data consistency.

Requirements

• 3+ years of experience as a System Analyst / Technical Business Analyst
• Hard skills: technical writing skills, SQL/PostgreSQL, API troubleshooting, ability to analyze system logs and errors
• Strong experience working with external integrations and REST APIs
• Experience with transactional systems, fintech, payments, or high-load products
• Basic SQL knowledge and ability to validate data
• High attention to detail and structured analytical thinking
• English level B2+
• Technical background is a plus

Conditions

• Competitive salary — discussed individually with each candidate