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服务端开发工程师-TikTok社交

北京💼 Full-time🗓 2026-09-28

Core

Design and implement backend architecture for TikTok's Messaging platform, including ChatBot, open APIs, and message management systems, while exploring AI-integrated features like Smart Reply and AI Assistants.

Role type

Senior backend engineer (social messaging & AI)

Builds

Messaging platform capabilities (ChatBot, open APIs, message management) and AI-driven social features (Smart Reply, AI Assistant, Streak Pet Bot)

Domain

Social media, Messaging, AI/LLM

Deliverable

production ML models

Required skills

Java/Go/C++/Python, data structures, algorithms, system design, performance optimization, scalability, AI coding tools, LLM/Agent concepts

Preferred skills

Experience with AI ChatBot/Agent, large-scale group chat optimization

Technologies

Java, Go, C++, Python, LLM frameworks

Responsibilities

Drive business iteration for TikTok Messaging, design backend architecture for messaging platforms, support AI business exploration, optimize system performance and stability for large-scale groups

Seniority

Senior, hands-on IC

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