Machine Learning Engineer Graduate

Machine Learning Engineer Graduate (TikTok Shop Global E-Commerce, Conversational AI) - 2026 Start (BS/MS) Join to apply for the Machine Learning Engineer Graduate (TikTok Shop Global E-Commerce, Conversational AI) - 2026 Start (BS/MS) role at TikTok . Get AI-powered advice on this job and more exclusive features. Responsibilities Develop AI Customer Support Systems: Build and optimize AI-driven customer service models capable of handling high-volume, complex user inquiries while ensuring high response accuracy and reliability. Enhance LLM-Based Customer Interaction Models: Implement LLM post-training strategies to improve customer support interactions, reducing errors, hallucinations, and irrelevant responses. Create Automated Dispute Resolution & Policy-Adaptive AI: Develop intelligent models capable of handling disputes, verifying transaction details, and ensuring platform compliance in automated responses. Develop Multilingual Support & Translation Models: Enhance the platform’s AI translation capabilities for real-time multilingual customer service interactions, ensuring smooth cross-language communication. Refine Response Evaluation Metrics: Define and implement quality evaluation metrics for AI-generated responses to track customer satisfaction and improve conversational AI quality through A/B testing and iterative optimization. Enable AI-Seller Collaboration: Build AI-powered seller assistance tools to help merchants quickly respond to customer inquiries, manage store operations, and resolve disputes efficiently. Optimize Large-Scale Model Deployment: Work on model compression, inference optimization, and edge AI deployment to ensure real-time, high-quality customer service experiences at scale. Qualifications Minimum Qualifications Final year graduates in Computer Science, engineering or quantitative field. Experience in one of the following fields: machine learning, NLP, and computer vision. Experience with software development in at least one of the following programming languages: C++, Python, Go, Java Good sense of teamwork and communication skills, practical experience in relevant business scenarios is preferred. Preferred Qualifications LLM Development & Post-Training Expertise: Experience in fine-tuning, distillation, or reinforcement learning of large language models for conversational AI applications. Multilingual AI Development: Proficiency in multilingual NLP, machine translation, and cross-lingual dialogue modeling. E-commerce Business Acumen: Understanding of e-commerce policies, dispute resolution workflows, and merchant-buyer interactions to enhance AI service design. Advanced NLP & Deep Learning: Strong grasp of AI agents, retrieval augmented generation, mixture of experts, sparse attention, reinforcement learning, inference time scaling etc. for improving AI dialogue quality. Scalability & Efficiency: Experience in distributed model training, low-latency inference, and edge AI for large-scale customer service applications. By submitting an application for this role, you accept and agree to our global applicant privacy policy, which may be accessed here: If you have any questions, please reach out to us at About TikTok TikTok is the leading destination for short-form mobile video. At TikTok, our mission is to inspire creativity and bring joy. TikTok's global headquarters are in Los Angeles and Singapore, and we also have offices in New York City, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo. Why Join Us Inspiring creativity is at the core of TikTok's mission. Our innovative product is built to help people authentically express themselves, discover and connect – and our global, diverse teams make that possible. We strive to do great things with great people and foster an "Always Day 1" mindset to achieve meaningful breakthroughs for ourselves, our company, and our users. Diversity & Inclusion TikTok is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. We are passionate about this and hope you are too. #J-18808-Ljbffr