Responsibilities
Team Introduction: Research & Development (R&D) Team.
The R&D team is dedicated to building and maintaining industry-leading products that drive global business success, working on core scenarios such as user growth, social features, live streaming, e-commerce consumer side, content creation, and content consumption, and tackling technical challenges in service architecture and infrastructure engineering to ensure system quality, efficiency, and security.
Collaborate with leading experts to explore cutting-edge technologies and push the boundaries of what is possible, delivering code that serves hundreds of millions of users in a professional, goal-oriented, egalitarian, and collaborative environment.
Contribute to product development and team shaping with a focus on creativity, growth through challenges, practical problem-solving, and maintaining an agile and inclusive culture (Always Day 1).
Engage in project work addressing challenges in recommendation systems for a world-leading short-video platform, including cold-start issues, real-time live-streaming recommendations, content diversity, and end-to-end modeling across recall–ranking–re-ranking architectures; explore leveraging large language models (LLMs), graph neural networks (GNNs), and full-lifecycle user behavior sequences to improve accuracy and adaptability.
Align with the goal of building a streamlined, accurate recommendation system that enhances user experience and drives sustainable business growth.
Qualifications
PhD degree in Artificial Intelligence, Computer Science, Mathematics, or related fields.
Strong programming skills with solid software design and coding practices.
Outstanding problem-solving and analytical abilities, strong communication and teamwork, and a passion for technology.
Familiar with machine learning, natural language processing, and/or data mining; prior experience in recommendation systems, computational advertising, or search engines is a plus.
Job Information
About Us
Founded in 2012, ByteDance's mission is to inspire creativity and enrich life.
With products including TikTok, Lemon8, CapCut, Pico, Toutiao, Douyin, Xigua, and more, ByteDance connects people to content and creation.
Why Join ByteDance
ByteDance fosters creativity and authentic expression, with diverse, global teams that value curiosity, humility, collaboration, and an Always Day 1 mindset, driving meaningful breakthroughs for the company, users, and communities.
As ByteDancers, we strive to do great things with great people, embracing curiosity and impact as we grow together in a rapidly growing tech company.
Diversity & Inclusion
ByteDance is committed to an inclusive space where employees are valued for their skills and perspectives.
Our mission to inspire creativity and enrich life drives us to celebrate diverse voices and create an environment reflecting the communities we reach.
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