For employers

Hire this AI Trainer

Sign in or create an account to invite AI Trainers to your job.

Invite to Job
N
Nn Z.

Nn Z.

AI Model Trainer (Data Preprocessor/Engineering for AI Tasks)

China flagJinhua, China

Key Skills

Software

LabelImgLabelImg

Top Subject Matter

IoT data for AI and sensor analytics

Top Data Types

ImageImage

Top Task Types

PolygonPolygon
Object DetectionObject Detection

Freelancer Overview

我具备扎实的计算机视觉模型训练与 AI 训练数据全流程处理经验,核心擅长目标检测数据集构建、标注质量管控与模型调优。曾独立主导稻田杂草智能识别项目的 AI 训练全链路工作,采集并标注了 3000 余张不同生长周期、不同光照条件下的田间杂草实景图片,熟练使用 LabelImg、LabelMe 等标注工具完成精准的目标框标注与类别划分,通过数据清洗去重、旋转翻转、亮度对比度调整、马赛克增强等多种数据增强手段,将有效训练数据集规模扩充至 12000 张,大幅提升了模型的泛化能力。基于优化后的数据集完成 YOLOv11 模型的训练与参数调优,通过调整锚框尺寸、优化损失函数与学习率策略,将模型检测精度提升至 92% 以上,最终凭借该项目在浙江省职业院校技能大赛中斩获铜奖。 在 AI 应用与大模型训练数据领域同样积累了丰富经验,作为核心技术成员参与浙江省大学生挑战杯创业计划大赛,负责项目 AI 模块的训练数据设计与模型落地,构建了适配行业场景的高质量指令数据集,助力项目获得金华职业技术大学校赛金奖。自主学习并熟练掌握 Claude Code、ChatGPT 等主流大模型的本地部署与二次开发流程,精通提示词工程与训练数据 prompt 体系搭建,能够根据不同任务需求设计结构化、标准化的训练数据模板,优化大模型输出的准确性与一致性,凭借在大模型训练数据优化与应用落地方面的突出能力,在全国性 AI 助手大赛中获得二等奖。

Labeling Experience

AI Model Trainer (Data Preprocessor/Engineering for AI Tasks)

Served as an AI model trainer, focusing on data cleaning algorithms and preprocessing for AI development. Designed and executed Python-based data cleaning tasks, optimizing raw sensor data for AI and analytics use. Work has contributed to improved accuracy in sensor-driven environments and supported smart lab system applications. • Led the development of a Python data cleaning algorithm to enhance sensor data quality for AI systems. • Increased data accuracy rate from 92% to 98% in key projects through advanced cleaning techniques. • Supported training dataset pipeline creation for AI modeling competitions and smart system prototypes. • Collaborated with IoT and AI teams to ensure data readiness for downstream AI applications and analysis.

2025

Education

金华职业技术大学

Associate Degree, Internet of Things Application Technology

Associate Degree
2024 - 2027

Work History

R

Ruiji Delivery

IoT Development Engineer

Jinhua
2025 - 2025
L

Leshang Driving Iot Platform

IoT System Development Assistant

Jinhua
2024 - 2025