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Tencent

Global tech conglomerate: social, gaming, cloud

Game Engineer Intern

Game EngineeringConfirmed live in the last 24 hours
InternshipTokyo, JapanNo salary listedIn-person

About the Job

Requirements

  • Currently pursuing a degree in Computer Science, Software Engineering, Game Development, or a related field; undergraduates must be in their junior year or above, and master's students are eligible.
  • Proficiency in C++.
  • Hands-on experience with Unreal Engine or Unity.
  • Strong English reading and writing skills.
  • Japanese proficiency at JLPT N1 level or equivalent.
  • A solid foundation in data structures, algorithms, and object-oriented programming.
  • Genuine passion for game development and active gaming experience.
  • Strong communication and teamwork skills.

Responsibilities

  • Participate in the design, development, and debugging of game client modules, implementing gameplay systems and interaction logic.
  • Analyze and optimize client-side performance, addressing frame rate, memory usage, and loading-time issues.
  • Contribute to designing and implementing AI behaviors for non-player characters, enemies, and bosses, including behavior trees and state machines.
  • Build and iterate on the supporting framework for AI agents in games, including prompt design, tool calling, context management, evaluation pipelines, and integrating large language models and agents with the game runtime.

Desired Qualifications

  • Personal or team-based game development projects, including demos, game jams, or portfolio work.
  • Understanding of network synchronization, physics engines, and related systems.
  • Experience in AI harness or agent framework development, such as prompt engineering, tool calling, agent pipeline design, and large language model application evaluation.
  • Familiarity with reinforcement learning fundamentals, such as PPO, DQN, and other common algorithms.
  • Familiarity with mainstream large language model APIs or agent development frameworks, such as LangChain, LlamaIndex, and AutoGen.
  • Knowledge of game AI techniques, including behavior trees, goal-oriented action planning, and pathfinding algorithms.
  • An active GitHub profile, technical blog, or game portfolio.
  • Experience with version control tools such as Git or Perforce.

About the Company

Tencent

Global tech conglomerate: social, gaming, cloud

Tencent is a Chinese tech group that runs major consumer platforms, online gaming, music and video streaming, fintech services, and cloud/enterprise software. Its products include Weixin/WeChat and QQ for messaging and social features with integrated payments, Tencent Cloud for AI and cloud infrastructure, and a large portfolio of games (in-house titles and stakes in studios like Riot Games and Epic Games). It differentiates itself through a massive global user base, a broad, interconnected ecosystem, and deep investments across gaming, media, fintech, and cloud, creating synergies across consumer and enterprise offerings. Its goal is to connect people and businesses through a comprehensive digital platform, expanding its services and AI-powered tools at scale.

Company size
10,001+
Company stage
IPO
Headquarters
Shenzhen, China
Founded
1998

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