machine learning engineer

JD.com operates a global technology and supply chain ecosystem spanning retail, logistics, technology, property, and cross-border commerce. Its platforms serve customers worldwide through digitally intelligent supply chain and logistics solutions.

• Design, implement, and optimize AI agents for customer service, supply chain optimization, recommendation systems, and internal operations;
• Develop agent architectures using machine learning models, natural language processing, knowledge representation, and reasoning techniques;
• Integrate AI agents with existing JD.com systems and platforms;
• Research and experiment with new AI paradigms and technologies;
• Collaborate with product managers, data scientists, and engineering teams to define agent requirements and deliver solutions;
• Monitor, evaluate, and fine-tune deployed AI agents for accuracy, reliability, and scalability;
• Contribute to internal AI frameworks, tools, and best practices.

• Master's or Ph.D. in Computer Science, Artificial Intelligence, Machine Learning, Robotics, or a related quantitative field;
• 3+ Years of experience designing and implementing AI agents or intelligent systems;
• Strong proficiency in Python, Java, or C++;
• In-depth understanding of machine learning algorithms, deep learning frameworks, and NLP techniques;
• Experience with agent-based modeling, reinforcement learning, multi-agent systems, or cognitive architectures;
• Solid understanding of software engineering principles, design patterns, data structures, and algorithms;
• Strong problem-solving skills and ability to translate complex business requirements into technical solutions;
• Strong communication and collaboration skills in a fast-paced, dynamic environment;
• Nice to have: familiarity with cloud platforms such as AWS, Azure, or GCP, MLOps practices.

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