Back-End Developer for Payment Systems
3 days ago
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Job Responsibilities- Responsible for the design, development, and optimization of back-end systems for digital currency payment-related business.
- Responsible for technical integration with third-party payment service providers (e.g., payment gateways, digital currency payment platforms).
- Design payment channel access plans, develop and maintain payment interfaces, and handle payment-related transaction logic.
- Acquiring System Development
- Develop and maintain acquiring systems, including order management, user fund account management, transaction record storage, and query functionalities.
- Ensure support for multi-currency payments, digital currency settlement, and complex fund flow scenarios.
- Technical Architecture Optimization
- Continuously optimize system architecture to improve scalability and stability.
- Optimize system performance for high-concurrency and high-throughput business needs.
- Security and Compliance
- Implement security mechanisms for payment systems, including data encryption, authentication, and access control.
- Ensure compliance with regulatory requirements (e.g., AML, KYC) and industry standards.
- Technical Documentation and Collaboration
- Write detailed technical documentation, including interface design, development standards, and user guides.
- Collaborate closely with product, testing, and operations teams to deliver projects successfully.
- Education Background
- Bachelor's degree or above in Computer Science, Software Engineering, Information Technology, or related fields.
- Work Experience
- At least 3 years of back-end development experience, with prior experience in payment-related development preferred.
- Experience in digital currency, blockchain, or financial payment systems is a plus.
- Technical Skills
- Proficient in Java programming, with expertise in the Spring Boot/Spring Cloud microservices framework.
- Familiar with distributed system design and development, and common distributed technologies (e.g., Kafka, Redis, MySQL, Zookeeper).
- Understanding of payment system business logic and architecture, with experience in payment gateway and bank interface development.
- Skilled in database design and optimization, with the ability to handle storage and query performance optimization for large-scale data.
- Experience in high-concurrency system design and performance tuning.
- Development Tools and Practices
- Familiar with version control tools (e.g., Git) and CI/CD workflows.
- Proficient in common development tools such as Maven, Docker, and Kubernetes.
- Business Acumen
- Deep understanding of payment industry workflows (e.g., clearing, reconciliation, cross-border payments).
- Knowledge of digital currency and blockchain principles, with expertise in payment scenario design.
- Soft Skills
- Strong team collaboration skills, able to work effectively in cross-functional teams.
- Strong learning ability and analytical skills, capable of quickly understanding complex business logic.
- Able to accurately understand requirements, independently complete development tasks, and report progress timely.
- Experience with digital currency wallets or smart contract development.
- Familiarity with popular blockchain technologies (e.g., Bitcoin, Ethereum) or experience in developing blockchain network protocols.
- Participation in high-performance architecture design and development for payment gateways.
- Experience with financial risk control, data encryption, and secure payment systems.
Mid-Senior level
Employment TypeFull-time
Job FunctionGet notified about new Back End Developer jobs in Hong Kong, Hong Kong SAR .
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