CareerPlanSign in

Agent Harness 工程师

Shanghai, China💼 Full-time🗓 2026-09-28

Core

Design and implement the core framework for Agent runtime, including scheduling, tool abstraction, context management, and observability systems to provide a stable execution base for business applications.

Role type

Senior IC machine-learning engineer (AI Agent infrastructure)

Builds

Scalable Agent execution platforms, observability pipelines, automated evaluation systems, and debugging toolchains for LLM-based agents.

Domain

Artificial Intelligence / Large Language Models / Agent Systems

Deliverable

production ML models

Required skills

Python, TypeScript or Go, system design, distributed systems, high-concurrency services, asynchronous programming, LLM inference and sampling, Agent frameworks (LangGraph/AutoGen/MCP), Tool Calling, Function Schema design, Prompt and Context Engineering, RAG, memory mechanisms, OpenTelemetry, trace storage and query, metric system design, offline data processing pipelines.

Preferred skills

Experience with agentic coding tools (Cursor/Claude Code/Codex), deep understanding of Agent failure modes, open source contributions, complex system refactoring, vertical domain Agent deployment (Code/Kernel/Performance/Data Analysis), RL/SFT data loop construction.

Responsibilities

Architect and implement the Agent runtime framework with scheduling and sandboxing; build full-link tracing and observability for LLM and tool calls; construct automated evaluation pipelines with benchmarks and A/B testing; develop debugging toolchains for trace replay and failure reproduction; participate in building core support platforms for data and model iteration.

Seniority

Senior, hands-on IC

Sourced via tencent · Listed on CareerPlan, which tracks 850,000+ jobs from 20+ sources.