Backend Engineer - Transaction

Who We Are At JD.com, also known as JINGDONG, we are building one of the world's most trusted technology and supply chain ecosystems. What started as a bold idea in China has evolved into a NASDAQ-listed, Fortune 44 global enterprise serving over 700 million active customers. Powered by advanced logistics, innovative technology, and a commitment to integrity, JD.com operates across retail, logistics, technology, property and more, creating solutions that make everyday life smarter, faster, and more connected. Our Global Reach JD.com is expanding its international footprint through a digitally intelligent, cross-border supply chain and world-class logistics network, supported by platforms such as Joybuy, which brings trusted products to customers worldwide. Today, our teams operate across China, the U.S., U.K., Netherlands, France, Germany, Spain, Brazil, Hungary, Japan, South Korea, Australia, Thailand, Vietnam, Malaysia, Indonesia, Saudi Arabia, the UAE and beyond, reaching customers in every corner of the world. Learn more about who we are and what we do: https://corporate.jd.com/ What We Offer Joining JD.com means becoming part of a company where people, innovation, and impact go hand in hand. We offer a competitive salary, a great location, and a supportive, people-first culture where your growth truly matters. With access to global projects, learning opportunities, and an inclusive environment that values every voice, you'll have the space to shape the future with us. About The Team You'll be joining the JD.com team, which values collaboration, ownership, and a commitment to delivering high-quality results in a fast-paced, dynamic environment. Key Responsibilities

• 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.
• Work onsite in London. Minimum Qualifications
• 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. Preferred Qualifications
• Experience in large internet or e-commerce companies.
• Experience with high-reliability or transaction-intensive systems.
• Familiarity with distributed systems or service-oriented architectures. Ready to apply? Take the next step in your career, apply now and explore the opportunities we have to offer.