Backend Software Engineer - AI Neobank App (Poland)

Build backend services for an AI neobank app, including APIs, workflows, and financial product infrastructure that scales across markets and millions of users. Own reliable systems for user accounts, transactions, partner integrations, reconciliation, notifications, and operations, and integrate with banks, payment gateways, insurers, and data providers. Partner with product and mobile teams to ship journeys quickly, while improving reliability, observability, security, and performance for regulated financial products.