Agent后训练数据基建工程师

StepFun · 6 days ago

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Location

In office (Beijing)

Employment

Full-Time

Confirmed on the employer's own hiring board on Oct 29, 2026. First seen by Alion on Sep 4, 2026. StepFun scores A on the Alion truth index.

Overview

Company

Impact

Profile match

StepFun

StepFun is a Chinese foundation model laboratory building a full range of models from language to speech, image and video. Its Step series includes very large mixture of experts models and multimodal systems, and the company releases open weights alongside commercial offerings. The laboratory was founded by a former senior Microsoft executive and is among the most heavily funded of the Chinese model startups; its models are used in Chinese consumer applications and enterprise deployments across several industries.

stepfun.com · HQ: Shanghai, China · 51-200 employees · Est. 2023

Tech stack of StepFun

Backed by Qiming Venture Partners

你将参与构建

Agent 训推框架维护：负责 Agent 训练与推理全链路框架的开发、优化与稳定性保障，支撑大规模模型训练实验的高效运转
Agent 沙箱环境稳定性：设计并维护 Agent 执行沙箱，保障代码执行、工具调用等复杂场景下的安全性、隔离性与可靠性
Agent 实验平台：构建支撑 Post-Train 团队日常实验的基础平台，涵盖实验管理、数据流水线、评测对比等核心能力

以下满足其一即可：

Agent 执行环境（Sandbox）基建与稳定性。 你负责的不是单个模型服务，而是大规模 Agent 赖以运转的"地面"：代码执行沙箱、容器与会话生命周期、路由与网络、镜像与预热、资源配额。任何一环抖动，上层所有 Agent 实验都会受影响。

Agent 训练/ rollout 框架与数据基建。 包括 agentic rollout 框架、scaffold、terminal-use / browser-use / computer-use（非 GUI）环境与工具链、SWE 评测基建、Agent RL 训练链路、轨迹（ledger）采集与数据流水线等。

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