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About the Role

LIGHTSPEED STUDIOS is focused on bringing next generation experiences to gamers who want to enjoy them anywhere, anytime, across multiple genres and devices. The Tech Center is a R&D department that leads the research, exploration, and discovery of innovative technologies and provides technical services for all games during all phases of life cycle.

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 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-art, lead comparative experiments, drive technical roadmap decisions, and publish academic papers.

Requirements

• 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.

Experience Level

• 3+ years of relevant research experience

Education Level

• Ph.D. in AI-related fields

Salary/Compensations

• 応相談（昇給/賞与あり）
• 一般社員の場合、固定残業代月35時間分が含まれます。
• 管理職の場合、固定残業代10時間分が含まれます。

Benefits

• 健康保険
• 雇用保険
• 労災保険
• 厚生年金保険
• 総合福祉団体定期保険（GTL）
• 業務災害安心総合保険（GPA）
• 団体長期障害所得補償保険（GLTD）
• 海外旅行保険
• 通勤手当(上限5万円/月)
• 通信手当（上限1万円/月）
• 自己啓発手当（上限2万円/月）
• 平日に出社した場合食事補助1800円/日
• 定期健診手当（上限7万5千円/年1回）
• フリードリンクコーナー
• ギフトカード（お盆、正月の2回支給、2万円/1回）
• 従業員支援プログラム(EAP)
• 慶弔見舞金
• 永年勤続賞/休暇

About the Company

• LIGHTSPEED STUDIOS は、物語性の高いストーリー、没入感のあるゲームプレイ、最先端のテクノロジーを駆使し、ゲーム開発をアートとサイエンスの融合として追求し続けています。
• Lightspeed Tech Center is a R&D department under Lightspeed Studios which develop PUBG Mobile and other high-quality games.

Equal Opportunity

• 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.