B254. Backend Engineer - Billing Platform (Hermes) <Full Remote / Full Flex> [AI x Fintech with over 65 billion JPY in cumulative funding]

▼Job Description 【Background】 UPSIDER's mission is to "Create a global financial platform that supports challengers," and we offer several innovative financial services. As our business diversifies and the number of products increases, the importance and complexity of "billing," which concludes the user experience, are rapidly growing. It is an urgent task to build a stable and scalable system that incorporates the complex real-world business logic, such as different bill...