Machine Learning Software Engineer (LLM & Agentic AI - TikTok - Content Ecology Local Services)

What you'll do

• Build core algorithms and structured representations for content, products, and user intent.
• Improve supply- and demand-side experiences and optimize transaction conversion.
• Translate research advances into production solutions and reusable algorithmic capabilities.

What they ask for

• Bachelor's degree or above in Computer Science, Artificial Intelligence, Software Engineering, or a related technical field.
• Strong foundations in machine learning and deep learning, including Transformer architectures, LLMs, multimodal large language models, and representation learning.
• Experience in one or more relevant areas, such as NLP, computer vision, AI agents, knowledge graphs, recommendation, or decision optimization.
• Hands-on experience with Python, PyTorch, distributed model training, and large-scale data processing, plus production deployment capabilities.

Nice to have

• Experience building large-scale ML systems for e-commerce, recommendation, search, advertising, marketplaces, or other transaction-oriented products.
• Experience with multilingual, multimodal, or dynamic data; leading-conference publications and technical leadership are also noted.

Tools

Python, PyTorch, Transformer architectures, LLMs/MLLMs, NLP, Computer Vision

AI focus

Develop LLM/MLLM, agentic AI, NLP, computer vision, multimodal, recommendation, conversion, and decision-optimization algorithms for Local Services.