java developer for transaction systems

JD.com operates a global technology and supply chain ecosystem spanning retail, logistics, technology, property, and cross-border commerce. The company serves over 700 million active customers through advanced logistics, digital platforms, and international operations.

• Develop and maintain transaction-related backend services using Java and Spring Boot;
• Build core business processes for order and transaction workflows;
• Ensure data consistency, system reliability, and correctness across critical business processes;
• Support stable operation of transaction systems under high concurrency;
• Participate in requirement discussions, technical design, and code reviews;
• Document and share technical solutions and best practices.

• Bachelor’s degree or equivalent in Computer Science or a related field;
• 3+ Years of experience in Java programming and Spring Boot;
• Experience building or maintaining core business systems;
• Experience working in structured development environments;
• Awareness of data protection, security, or compliance requirements in transaction systems;
• Ability to communicate effectively in English and Chinese;
• Nice to have: Experience in large internet or e-commerce companies, experience with high-reliability or transaction-intensive systems, familiarity with distributed systems or service-oriented architectures.

• Competitive salary;
• Great location;
• Supportive, people-first culture;
• Global projects and learning opportunities;
• Inclusive environment.