Location: Hong Kong
Short Description
Join the dynamic Mobile Payment team at International Bank, powering one of Hong Kong's most popular mobile payment platforms. As a Java Developer, you will design, build, and maintain high-performance backend systems that handle millions of peer-to-peer transactions, merchant integrations, fraud detection, and real-time payment processing. You will work in agile cross-functional tribes with product managers, mobile engineers, data analysts, and security specialists to deliver secure, scalable, and innovative features for Bank’s growth.
Key Responsibilities
- Design and develop robust, decoupled microservices and APIs using Java and Spring Boot to support system’s core payment flows, including FPS integration, refunds, settlements, and merchant onboarding.
- Build reliable, low-latency systems that integrate with internal banking platforms, external payment gateways, and regulatory-compliant services (e.g., ISO 20022 where applicable).
- Implement secure, testable code with strong focus on performance, resilience, and observability (e.g., using monitoring tools, logging, and distributed tracing).
- Collaborate on system architecture, code reviews, unit/integration testing, and CI/CD pipelines to ensure high-quality deliveries.
- Troubleshoot production issues, support incident resolution, and contribute to continuous improvement of system backend platform.
- Participate in feature definition, fraud/risk enhancements, and scalability initiatives for growing transaction volumes.
Qualifications
- Bachelor's degree in Computer Science, Engineering, or related field.
- 3–8+ years of hands-on experience in backend development with strong Java expertise (Java 8/11/17+).
- Proficiency in Spring Boot, Spring Cloud, RESTful APIs, microservices architecture, and relational databases (e.g., Oracle/PostgreSQL).
- Experience with cloud platforms (preferably AWS), Docker/Kubernetes, and messaging systems (e.g., Kafka).
- Solid understanding of payments domain, security best practices (e.g., encryption, OAuth, PCI‑DSS principles), and high‑availability systems.
- Strong problem‑solving skills, ability to work in agile environments, and excellent communication in English (Cantonese/Mandarin is a plus).
Preferred
- Experience in fintech/payments (e.g., FPS, mobile wallets, real‑time payments).
- Knowledge of DevOps practices, automated testing frameworks, and performance tuning.
Benefits
In addition to compensation aligned with your role, you’ll have access to a wide range of benefits that support your health, career growth, and overall well‑being (Hongkong)
- Paid leave entitlements
- Health and Life Enrichment (HALE) program covering various well‑being offerings
- Optional health insurance cover
- Employer Assistance Program (EAP)
- Rewards and Recognition
All aspects of employment at Infosys are based on merit, competence and performance. We are committed to embracing diversity and creating an inclusive environment for all employees. Infosys is proud to be an equal opportunity employer.
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