Highlights:Enhanced handwriting OCR accuracy from 92.5% to 99.3% through advanced model training and algorithm optimization at Beijing TianXueWang Education Technology Co., Ltd, benefiting over 36,000 teachers and 20 million students. Developed and deployed a semantic scoring system, significantly reducing the workload of reference answer preparation and improving automated composition assessment.

Skills:python, Machine Learning, Deep Learning, Statistical Analysis, Data Analysis

Goal:To leverage my extensive experience in data science, computer vision, and natural language processing to contribute to innovative projects and solve complex problems in a challenging and dynamic environment.

Certification:Teacher Certification in High School Physics (2021) Teacher Certification in High School Math (2022) Certificate of National Mandarin Chinese Level Test Class A- Level 2 (2021)

Honor:Best Team Award, Beijing TianXueWang Education Technology Co., Ltd (2022) Director's Scholarship, Institute of Physics, University of Chinese Academy of Sciences (2012, 2013, 2015) Merit Student, University of Chinese Academy of Sciences (2014) Various scholarships and awards during undergraduate and doctoral studies, including Second Prize and Third Prize Scholarships at Lanzhou University.

Computer Vision Engineer 08/2021 - current
Beijing TianXueWang Education Technology Co., Ltd, Beijing, China
• Led OCR model optimization for handwritten text recognition, achieving a significant accuracy improvement from 92.5% to 99.3%, directly benefiting over 20 million students and 36,000 teachers in China's education sector • Researched and implemented advanced NLP algorithms to enhance essay scoring, reducing manual workload for teachers by 40% through auto-scoring and intelligent comment generation • Applied Semantic Textual Similarity (STS) models for automated composition evaluation, enabling effective detection of off-topic responses and key-point coverage, increasing grading accuracy
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Science Teacher 09/2020 - 06/2021
Rising Eagles School, , China
• Taught an Environmental Science course to 7 Chinese high school students as part of their preparation for studying in the US • Developed customized lesson plans and assessment tools, resulting in improved student engagement and comprehension • Regularly provided feedback to parents and participated in professional development activities, enhancing the quality of education delivery
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Lanzhou University 09/2006 - 06/2010
Lanzhou, , China
Degree: Bachelor's Degree
Major:Bachelor of Science in Physics
• - GPA: 3.58/5.0 | Ranked 11th/150 • - Conducted first-principles calculations on single-crystal MgO barriers in magnetic tunnel junctions

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