Java Application Developer

About Infosys : Infosys is a global leader in next-generation digital services and consulting. Over 320,000 of our people work to amplify human potential and create the next opportunity for people, businesses and communities. We enable clients in 59 countries to navigate their digital transformation. With over four decades of experience in managing the systems and workings of global enterprises, we expertly steer clients, as they navigate their digital transformation powered by cloud and AI. We enable them with an AI-first core, empower the business with agile digital at scale and drive continuous improvement with always-on learning through the transfer of digital skills, expertise, and ideas from our innovation ecosystem. We are deeply committed to being a well-governed, environmentally sustainable organization where diverse talent thrives in an inclusive workplace. Visit www.infosys.com to see how Infosys (NYSE: INFY) can help you navigate your next. Infosys has been recognized as a Top Employer across APAC — contributing to our sixth consecutive year of global certification. As an AI‑first organization, we empower our people to work on next‑generation technologies, continuously learn, and create impact at scale—supported by a culture rooted in care, inclusion, and excellence. ▶️Join Infosys and be part of a culture that’s not just promised—it’s certified. #TopEmployer2026 #ThriveAtInfosys Role Description: Java Developer 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. Roles and Responsibilities: **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. Skills /Competencies: - 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. 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 Our recruitment and selection process is designed to create the best match for both you and Infosys. Depending on the role, it may include an initial screening, technical or functional interviews, and conversations focused on cultural alignment and shared values. We are committed to making the experience transparent, respectful, and engaging at every step. Hear from our recruiter on their experience working with Infosys as an Employer At Infosys, we recognize that everyone has individual requirements. If you are a person with disability, illness, or injury and require adjustments to the recruitment and selection process, please contact our Recruitment team for adjustment either via the following email [email protected] or call 1-866-472-0935. Alternatively, you can include your preferred method of communication in email, and someone will be in touch. Please note in order to protect the interest of all parties involved in the recruitment process, Infosys does not accept any unsolicited resumes from third-party vendors. In the absence of a signed agreement, any submission will be deemed as non-binding and Infosys explicitly reserves the right to pursue and hire the submitted profile. All recruitment activity must be coordinated through the Talent Acquisition department. “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.”