Senior Payment Backend Engineer

Who Are We?

HoYoverse is committed to providing immersive virtual world experiences to players around the world. We have brought fans popular games including Genshin Impact, Honkai: Star Rail, Honkai Impact 3rd, Tears of Themis, and Zenless Zone Zero, as well as a wide range of entertainment content.
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Community is at the heart of everything we do. We are devoted to engaging fans and fostering an enthusiastic and inclusive global community that provides access and encouragement for people to share their passion for ACG (Animation, Comics, and Games) through their own creativity and skills.
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Pushing the boundaries of imagination, we consistently explore cutting-edge game development technologies, and have accumulated leading technical capabilities in cel shading, cloud gaming, and other fields.
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In the future, we will continue to expand our content production, technology research, and publishing duties through operations in offices in Singapore, Montreal, Los Angeles, Tokyo, Seoul, and other areas.

When you apply to a position with HoYoverse, we will process your personal data. To learn more about how we process your data, we encourage you to review our comprehensive Global Applicant and Candidate Privacy Policy. This policy provides detailed insights into how your information is collected, used, and protected throughout the application process.

What you will do:

The Payment Technology team provides integrated payment solutions for all miHoYo products across Mainland China and overseas markets. Our systems cover a wide range of core capabilities, including cross-platform product pricing, global payment method integration, intelligent transaction routing, targeted promotional discounts, fraud detection and prevention, as well as real-time data analytics and reconciliation.
As a mission-critical module that directly impacts player experience and company revenue, we place a strong emphasis on technical excellence to ensure our systems remain highly available and scalable.

As a key member of the Payment Team, you will:

• Design, develop, and maintain core payment-related systems, including pay-ins, payouts, products, and marketing systems, delivering the best possible payment experience for global users across multiple games
• Lead and drive the adoption of AI-native workflows within payment development, operations, and support scenarios, significantly improving overall efficiency, including but not limited to:
  • Leveraging LLMs to enhance engineering productivity (e.g. technical solution generation and evaluation, AI-assisted code generation and refactoring, AI code review, AI-driven automated testing, online alert diagnosis and auto-remediation)
  • Building intelligent agents tailored for the payment domain (e.g. customer complaint investigation and response agents, business integration assistant bots, payment operations assistants)
• Actively participate in business discussions and collaborate closely with cross-functional teams and upstream/downstream partners to explore productized AI applications in payment scenarios
• Design reliable, maintainable AI-driven technical solutions and take ownership of initiatives from 0 to 1, including project proposal, implementation, launch, and continuous iteration

What you will need:

• Bachelor’s degree or above in Computer Science or a related field, with at least 3 years of software engineering experience
• Solid understanding of mainstream AI technologies and large language model fundamentals, with hands-on experience using and optimizing modern AI tools, including but not limited to:
  • Building MCP servers to extend model capabilities with external tools
  • Maintaining RAG systems based on vector databases
  • Designing agent memory systems
  • Optimizing and evaluating prompt designs
  • Designing collaboration and orchestration in multi-agent architectures
• Strong curiosity and passion for learning, with a habit of staying up to date with the latest industry trends and AI advancements; highly self-motivated to explore and apply emerging AI technologies in real-world scenarios
• Strong ownership mindset, able to independently drive assigned tasks and projects across all stages, while effectively coordinating with dependent teams and stakeholders
• Good understanding of common web backend technologies (e.g. microservices, databases, caching, message queues), and the ability to integrate AI capabilities effectively into backend systems
• Fluent in English and Mandarin, able to communicate effectively with internal stakeholders and external payment partners

Bonus points:

• Experience successfully landing AI products or AI-driven workflows in consumer-facing core business systems or engineering productivity pipelines

We are an equal opportunity employer that believes diverse backgrounds are key to bringing our concepts to life. If you're looking to play a key role in creating the best immersive virtual world experience for our users, we invite you to join our team.