Cheng X.

Key Skills

Software

Appen

Top Subject Matter

Electrical Engineering & Hardware Maintenance

Software Development & Coding

Technical Writing & Documentation

Top Data Types

Image

Video

Document

Top Task Types

Classification

Freelancer Overview

Xiaolei Cheng Baoji, China | +86-18392723597 | [email protected] PROFESSIONAL SUMMARY Detail-oriented Technical Specialist with 15 years of experience in electrical maintenance and system diagnostics. Proven ability to independently develop custom upper-computer software for automated product testing. Highly proficient in reading and interpreting complex English technical documentation and component manuals. Seeking to leverage strong analytical skills, technical reading comprehension, and meticulous attention to detail as a part-time AI Data Annotator at OpenAI. CORE COMPETENCIES Technical & Analytical Skills: System Diagnostics, Automated Testing, Technical Documentation Analysis, Component Troubleshooting Software Development: Custom Upper-Computer Software Development, Product Testing Automation Language Proficiency: Native Mandarin, Professional English Reading Comprehension (CET-4 Certified) Soft Skills: Independent Problem Solving, High Attention to Detail, Continuous Self-Learning PROFESSIONAL EXPERIENCE Electrical Maintenance Specialist |Confidential Tech/Manufacturing Firm | Baoji, China 2011 – Present Independently designed and developed two custom upper-computer software applications to automate product testing, significantly improving diagnostic efficiency and reducing manual testing errors. Routinely read, interpreted, and applied complex English product documentation and electronic component manuals to troubleshoot hardware issues and execute precise mainten

Education

Work History