Senior Interactive Vision Model Researcher

Tencent International Service Pte. Ltd.; Singapore; On-site; SGD 180,000 - 240,000; Full time

Job summary

Lightspeed Studios is seeking a PhD-level AI researcher to design and iterate the next-generation video generation foundation architecture. You will explore long-context attention, KV Cache compression, and memory mechanisms, work on high-compression video tokenizers, and advance unified modeling for multi-resolution and multi-frame-rate videos.

You will lead video pre-training at the 10–100 billion token scale, define data mixtures and curriculum learning strategies, study scaling laws, map

Qualifications

• Ph.D. in AI-related fields with first-author papers at top-tier conferences.
• Proficient in diffusion models and autoregressive generation.
• Experience training video/image generation models from scratch; strong PyTorch and distributed training skills.
• Understanding Video VAE/Tokenizers and 3+ years of research.

Responsibilities

• Design and iterate on the next-generation video generation foundation architecture.
• Explore core technologies for long video generation, including long-context attention, KV Cache compression, and memory mechanisms.
• Research high-compression-ratio video tokenizers and unified modeling for multi-resolution and multi-frame-rate videos.
• Lead video pre-training at the 10–100 billion token scale, define data mixture and curriculum learning strategies.
• Explore Scaling Laws, define scientific scale-up paths, and continuously improve key model capabilities.
• Track industry state-of-the-art, lead comparative experiments, drive roadmap decisions, and publish academic papers.

Skills

Diffusion models

Autoregressive generation

PyTorch

Distributed training

Video VAE

Tokenizers

Research leadership

Education

Ph.D. in AI-related fields

Job description

Business Unit

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 are focused 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 which develop PUBG Mobile and other high-quality games. Our Tech Center leads the research, exploration, and discovery of innovative technologies and provides technical services for all games during all phases of life cycle, including engine, audio, QA, AI, next generation game, technical cooperation, etc.

What the Role Entails

• Design and iterate on the next-generation video generation foundation architecture.
• Explore core technologies for long video generation, including long-context attention, KV Cache compression, and memory mechanisms.
• Research high-compression-ratio video tokenizers and advance unified modeling capabilities for multi-resolution and multi-frame-rate videos.
• Lead video pre-training at the 10-100 billion token scale, defining data mixture and curriculum learning strategies.
• Explore Scaling Laws, define scientific scale-up paths, and continuously improve key model capabilities.
• Track industry state-of-the-arc , lead comparative experiments, drive technical roadmap decisions, and publish academic papers.

Who We Look For

• Ph.D. in AI-related fields with first-author papers at top-tier conferences.
• Proficient in the principles and engineering implementation of diffusion models and autoregressive generation.
• Experience training video/image generation models from scratch; highly proficient in PyTorch and large-scale distributed training.
• Deep understanding of the design trade-offs in Video VAE/Tokenizers, with 3+ years of relevant research experience.
• Publications related to video generation or diffusion models.
• Experience in core industry product R&D or hands-on experience with the latest technologies is preferred.
• Experience leading end-to-end video foundation model projects is preferred.

Equal Employment Opportunity at Tencent

As an equal opportunity employer, we firmly believe that diverse voices fuel our 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 common goals.