Education Background

Dartmouth College      Hanover, NH, US

M.S. in Computer Science (Full Scholarship)                  Sep 2019 - Jun 2021

(Coursework: Machine Learning, Deep Learning, Smartphone Programing, Full-Stack Web Development, Data Science & Data Mining, Human-Computer Interaction,Security & Privacy, Network Science & Complex Systems)

Shanghai Jiao Tong University         Shanghai, China

PhD in Management (First-class scholarship)                  Sep 2011 - Dec 2017

(Research: Mobile Sensing on Behavioral Health, Self Regulation and Obesity Control)

Nanjing University of Finances & Economics                         Nanjing, China

Bachelor of Arts in Advertising Sep 2007 - June 2011

Academic Contribution 

My Google Scholar research citations have achieved 920 as of April, 2024.

1. Mental health and behavior of college students during the early phases of the COVID-19 pandemic: Longitudinal smartphone and ecological momentary assessment study

2. Applying novel technologies and methods to inform the ontology of self-regulation

3. Social sensing: assessing social functioning of patients living with schizophrenia using mobile phone sensing

4. On the transition of social interaction from in-person to online: Predicting changes in social media usage of college students during the COVID-19 pandemic based on Pre-COVID-19 19 On-Campus Colocation

5. Momentary self-regulation: scale development and preliminary validation

6. Submedial Space,the Economy of Suspicion and "Media is Information"--A review of "Under Suspicion:A Phenomenology of Media"

Patents

1. Method For Network Subgraph Link Selection (First Author, US20230207120A1)

2. System and Methods of Federated Learning with Diversified Feedback (PCT/US20230385652A1)

Work History

CelestialGradience.com                 Sunnyvale, CA, US

PM / Founder                           Mar 2024 - Now

• Led my personal consultation business, implemented the website development while managing the product roadmap and go-to-market (GTM) strategy.

• Directed the end-to-end website lifecycle-from wireframe and Lofi/HiFi prototype to MVP execution - while designing the UI/UX and launching an online booking system.

• Drove ongoing innovation by optimizing SEO and developing new features, tools, and products for enhanced user engagement.

• Published 2 astrological books on Amazon with both Traditional Chinese and English Provided.

Amazon.com Services, LLC.       Santa Clara, CA, US

TPM / Software Dev Engineer (Back-end Developer) in Multi-Channel Fulfillment                         Oct 2022 - Mar 2024

• Spearheaded the design and optimization of a multi-channel shipment fulfillment back-end system, efficiently managing millions concurrent user requests daily in 3 global regions, which led to a 20% acceleration in goods delivery times during peak holiday seasons and regular workdays.

• Played a pivotal role throughout the full software development lifecycle for 5+ major projects, encompassing agile development, A/B testing, deployment, operations, and documentation, ensuring adherence to high-quality standards and seamless execution.

• Led the adoption of best practices in software design, engineering, version control (Git), testing (with 100% code coverage), and documentation, improving team productivity by 30% and enhancing product reliability.

• Developed and implemented innovative software solutions that addressed key challenges in shipment fulfillment, resulting in a 25% increase in customer satisfaction and a 15% reduction in delivery times.

• Authored and reviewed over 20,000 lines of high-quality, maintainable code, significantly contributing to the project's success and establishing benchmarks for coding excellence within the team.

• Initiated and led the development of 3 proprietary software solutions, enhancing the efficiency of shipment delivery and directly contributing to a 20% improvement in operational throughput and customer satisfaction metrics.

Thermo Fisher Scientific Inc.           San Jose, CA, US

PM / SDE II (Full-stack Developer) in Mass Spectrometry R&D Division                         Aug 2021 - Now

• Designed user stories and features for implementation, organized team meetings and project documentations in Git.

• Improved UI/UX of mass spectrometry experiment design using Vue3 and Typescript. 

• Defined product metrics and saved user operations in MongoDB using a .Net Restful API to enhance user experience.

Futurewei Technology Inc.                                                     Framingham, MA, US

Research Intern (Software Engineer)  in Technology Planning Division                      June 2020 - Sep 2020

• Collaborated a cross funding team and unblock the challenges of the project.

• Developed an energy-driven system to intelligently filter and upload data with AI/ML models, optimizing data transferring and battery usage.

• Achieved 2 patents in 10 weeks. Coordinated with multi-disciplinary experts and managed weekly group meetings to prioritize tasks, unblock progress, and meet milestones. 

DartNets Lab, Computer Science Department at Dartmouth                         Hanover, NH, US

PM / Research Assistant                                                                                                                     Sep 2019 - Dec 2020

• Implemented a mobile app (Java, Android, SQL) that tracks users’ behavioral data, synced local  database with cloud server for data persistence, achieving 95% retention rate in a year-long study.

• Performed statistical analysis and time-series machine learning (Jupyter, sklearn, tensorflow) to assess mental health among 200 students from their sensor data with an accuracy of 73%.

• Published 3 academic papers in top CS conferences and highly impacted journals, achieved 700+ citations.

• Collecting Photoplethysmogram (PPG) data and predicting stress status from it. Implemented a data collecting platform using Android, Flask and MongoDB. Collected real-time PPG from an Android smart watch. Applied bandpass signal processing (Python) and Deep Neural Network (Keras, Tensorfolw) on the PPG data. Achieved an accuracy of 75% in classifying stress status.

• Smartphone sensing and health. Developed backend pipelines (bash, python, MongoDB) to process the longitudinal activities, location, collocation networks, phone usage and sleep data collected from mobile phones among 200 college students. Performed statistical and time series analysis (Jupyter, sklearn) to reveal the mental health and behavior changes [published on JMIR, 2020(6)] and a transition of social interaction from in-person to online with an accuracy of 73% during the COVID-19 Pandemic. 

Improved social functioning impairment prediction by 20% on average using smartphone sensor data compared with a baseline without using it [published on CHI’20].

Center for Technology and Behavioral Health                               Lebanon, NH, US

Research Scholar                                                                                                                               Nov 2016 - Jun 2017

• Modeled the ontology of self-regulation from EMA, MRI scanning, MTurker, sensors from smart devices. Automatically recorded and predicted patients' addictive behaviors instead of handwriting self-report [published on BRT, 2018(2)].

• Designed momentary scale for self-regualtion and conducted pilot study for the patients with addiction issue. Verified the scale reliability and published results on JMIR,2022(5).

Shanghai Jiao Tong University Shanghai, China

Research Assistant Oct 2011 to Mar 2016

• Reviewed 2,000+ health news reports to examine emergency communications and produce AP Style industry publications.

• Led surveys of 500 citizens and 300 adolescents, plus 4 focus groups on public outreach and social media crises.

• Collaborated with 20+ organizations on field research across 13 urban and rural regions in China.

Awards & Certificates

Mar, 2025 Build Wireframes and Low-Fidelity Prototypes -- Coursera Course Certificate provided by Google

Feb, 2025 Start the UX Design Process: Empathize, Define, and Ideate -- Coursera Course Certificate provided by Google

Oct, 2024 Google Project Management Certificate -- 6 courses series completed on Coursera

Oct, 2024 Capstone: Applying Project Management in the Real World -- Coursera course Certificate provided by Google

Oct, 2024 Agile Project Management-- Coursera course Certificate provided by Google

Oct, 2024 Foundations of User Experience (UX) Design -- Coursera course Certificate provided by Google

Oct, 2024 Project Execution: Running The Project -- Coursera course Certificate provided by Google

Oct, 2024 Project Planning: Putting It All Together -- Coursera course Certificate provided by Google

Oct, 2024 Project Initiation: Starting a Successful Project -- Coursera course Certificate provided by Google

Mar, 2024 Foundations of Project Management -- Coursera course Certificate provided by Google

Dec, 2023 AWS Certified Machine Learning -- Specialty  

Nov, 2023 AWS Cloud Practitioner

Sep 2019 - Jun 2021 Full Scholarship of Master program in Computer Science at Dartmouth College

Skill Sets

Languages: Java, C#, C, C++, Python, JavaScript, Typescript, Shell, HTML, CSS, XML

Framework: React, Redux, Vue2/3, .Net5, StencilJS, NodeJs, Android

Tools: MySQL, MongoDB, AWS, Azure, GitHub, Jupyter, sk-learn, TensorFlow, PyTorch, Linux, Latex 

Volunteer

Dartmouth Admissions Ambassador Program         December, 2022 - Now

• Admissions Ambassador for Undergraduate Admissions Interview

Journal of Medical Internet Research     December 2021 - January 2022

• Paper reviewer, Completed 7+ peer review for JMIR

Reading & Book Sharing Club for Women       January 2021 - Now

• Established a WeChat group for Book Sharing and Reading for 300+ women