Java Developer (Multiple Hc) - Information Technology / E-Commerce / Gaming (Kafka / Spring Boot / Backend / AI Adoption / Internet / Fintech)

Our client is an expanding e-commerce internet firm. They are rapidly expanding into Singapore and are hiring experienced Software Engineers (SWE) to design and build internal systems and platforms including payment and AI integrations. This is a high impact role as part of an expanding team in Singapore where you'll work on high concurrency systems. Job Responsibilities: Architect, design, and build internal systems and platforms, including back-end systems supporting business operations, mobile game platforms, and core app functions (cashier, channel payments, gateway, settlement, and finance modules). Collaborate with cross-functional teams to ensure seamless integration of back-end systems with front-end platforms, databases, and other internal systems. Design and implement web scraping systems to collect data from external websites, and develop RPA scripts to improve business operation efficiency. Write code to implement product features, complete project development end-to-end, and participate in requirements analysis. Optimize the performance, scalability, and reliability of back-end systems; assist in tackling core technical challenges and technology solution selection. Troubleshoot and resolve technical issues, including production environment troubleshooting, to ensure smooth system operations. Contribute to the continuous improvement of software development processes, ensuring high standards of code quality, testing, and deployment. Document technical designs, implementation details, system configurations, and project documentation for internal use. Job Requirements: Bachelor's degree or above in Computer Science, Software Engineering, or a related field. Minimum 2–3 years of professional experience in Java backend development, with solid understanding of OOP, common design patterns, and software architecture principles. Proficient in Java frameworks and tools such as Spring Boot, Spring Cloud, SpringMVC, Struts, Hibernate, and MyBatis. Familiar with c…