Java Backend Engineer - Fiat Payment Channels

About the role

Java Backend Engineer - Fiat Payment Channels Asia / Australia, Sydney / Australia, Melbourne / Taiwan, Taipei / Hong Kong Engineering - Backend / Full-time: Remote / Remote apply for this job We are looking for a skilled Java Backend Engineer to join our Fiat Payments team. You will be responsible for integrating and maintaining banking and card payment channels across multiple markets, building the infrastructure that connects our platform to global financial networks. Responsibilities Design and develop integrations with banks, card networks (Visa/Mastercard), and payment service providers Build and maintain high-availability, high-concurrency payment processing systems Develop core payment modules including channel routing, clearing, reconciliation, and settlement Collaborate with cross-functional teams (product, risk, compliance) to deliver reliable payment solutions Participate in code reviews, system design discussions, and technical troubleshooting Continuously optimize system performance, stability, and scalability Requirements 3-5 years of Java backend development experience Proficiency in Spring Boot, MyBatis, and common distributed system components (Redis, MQ, etc.) Experience integrating with third-party payment channels, banking APIs, or card payment systems Understanding of payment flows: authorization, clearing, settlement, reconciliation Fluency in English is required to be able to coordinate with overseas partners and stakeholders. Additional languages would be an advantage. Experience at fintech platforms is a strong plus Experience with high-concurrency, high-availability distributed system design Nice to Have Experience with Visa/Mastercard acquiring or card issuing systems Knowledge of PCI-DSS or financial compliance standards Crypto industry background We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us. apply for this job

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