Multi-Modality Research Intern

About Lightspeed Studios

LIGHTSPEED STUDIOS is made up of passionate players who advance the art & science of game development through great stories, great gameplay, and advanced technology. We focus on bringing next-generation experiences to gamers who want to enjoy them anywhere, anytime, across multiple genres and devices.

About the Hiring Team

Lightspeed Tech Center is a R&D department under Lightspeed Studios that develops PUBG Mobile and other high-quality games. The Tech Center leads research, exploration, and discovery of innovative technologies, and provides technical services for all games across every phase of the lifecycle, including engine, audio, QA, AI, next generation game, technical cooperation, and more.

What the Role Entails

• Pioneer new research directions in multimodal understanding, post-training, reasoning, grounding, and agent planning, grounded in real gaming scenarios.
• Abstract research problems from game business scenarios, solve them, and deliver solutions that support diverse in-game applications.
• Advance understanding capabilities of multimodal large models (VLMs/MLLMs) across images, video, text, and audio.
• Lead post-training methodologies—SFT, RLHF/RLAIF, reward modeling, and preference alignment—to improve model capability and reliability.
• Design and execute end-to-end experiments, from data and benchmarking to training, evaluation, and iteration.
• Collaborate with engineers to bring research prototypes into production and deploy them across game scenarios at scale.
• Publish at top-tier conferences and contribute to the broader research community.

Who We Look For

• Currently pursuing a PhD in Computer Science, ML, or a related field, or equivalent research experience.
• Expertise in one or more areas: multimodal understanding and vision-language reasoning; pre-/post-training of LLMs/VLMs; reinforcement learning and LLM-based agents; representation learning.
• Ability to abstract research problems from real business scenarios (ideally gaming) and drive them toward deployment.
• Consistent first-author publications at leading venues (NeurIPS, ICML, CVPR, ACL, etc.).
• Strong implementation skills in modern ML frameworks (PyTorch, JAX, etc.).
• Proven ability to run complex experiments, analyze results, and iterate quickly.
• Passion for high-impact research with real-world applications.

Equal Employment Opportunity

As an equal opportunity employer, we believe that diverse voices fuel innovation and allow us to better serve our users and the community. We foster an environment where every employee of Tencent feels supported and inspired to achieve individual and shared goals.