后端/AI应用开发工程师-抖音支付（北京/杭州）
Core
Design and implement AI agents for payment scenarios, develop RAG-based knowledge Q&A applications, and optimize prompt engineering for Douyin Pay's core systems.
Role type
Senior Backend/AI Application Engineer (Payments)
Builds
Payment-focused AI agents, RAG knowledge assistants, and scalable core payment systems
Domain
Fintech / Payments / Generative AI
Deliverable
production ML models
Required skills
Go (Golang), Python, Java, MySQL, Redis, System Design, High Concurrency, RAG, Prompt Engineering, Evaluation Frameworks
Preferred skills
AI Coding, Automated Evaluation, AI-driven Development
Responsibilities
Design and implement AI agents for payment scenarios; Develop and maintain core payment systems for high-concurrency events; Build and optimize RAG modules for knowledge Q&A applications; Design and iterate Prompt/Skills for business scenarios; Establish evaluation datasets and annotation processes; Integrate frontier AI technologies into existing systems.
