后端研发工程师-财经
Core
Build and optimize the core infrastructure for Douyin's payment ecosystem, including C-end modules like the cashier platform, user platform, marketing platform, and Douyin Wallet, while exploring large model applications.
Role type
Senior Backend Engineer (Payment Systems & AI Exploration)
Builds
Douyin payment C-end modules (cashier, user, marketing, wallet) and large model payment applications
Domain
Fintech / Payments / AI
Deliverable
production ML models | product features
Required skills
Java, Go, Python, C++, system architecture, database design, caching, message queues, distributed systems, high concurrency, service governance
Preferred skills
prompt engineering, model fine-tuning, multimodal AI, Agent technology, high availability system design
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