Game Engineer (intern)

Game Feature Developer

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.

What the Role Entails

- Game Feature Development: Participate in the design, development, and debugging of game client modules, implementing gameplay systems and interaction logic

- Performance Optimization: Analyze and optimize client-side performance, addressing issues related to frame rate, memory usage, and loading times

- Game AI: Contribute to the design and implementation of AI behaviors for NPCs, enemies, and bosses, including behavior trees and state machines

- AI Harness Engineering: Build and iterate on the supporting framework for AI agents in games, including prompt design, tool calling, context management, evaluation pipelines, and the integration of LLMs / agents with the game runtime

Who We Look For

- Currently pursuing a degree in Computer Science, Software Engineering, Game Development, or a related field (Junior year and above for undergraduates / Master's students)

- Proficient in C++

- Hands-on experience with Unreal Engine or Unity

- English: Strong reading and writing skills

- Japanese: JLPT N1 or equivalent proficiency

- Solid foundation in data structures, algorithms, and object-oriented programming

- Genuine passion for game development; an active gamer

- Strong communication and teamwork skills

Nice to Have

- Personal or team-based game development projects (Demos / Game Jams / portfolio works)

- Understanding of network synchronization, physics engines, and related systems

- Experience in AI Harness / Agent framework development (e.g., prompt engineering, tool calling, agent pipeline design, LLM application evaluation)

- Familiarity with reinforcement learning fundamentals (e.g., PPO, DQN, and other common algorithms)

- Familiarity with mainstream LLM APIs or agent development frameworks (e.g., LangChain, LlamaIndex, AutoGen)

- Knowledge of game AI techniques (behavior trees, GOAP, pathfinding algorithms, etc.)

- An active GitHub profile, technical blog, or game portfolio

- Experience with version control tools such as Git or Perforce

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.