張修齊 Lawrence Xiu-Qi Chang

Motivated, teamwork-oriented, and responsible android developer with substantial experience in transnational projects. In addition, I have taken the courses like machine learning and natural language processing. Familiar with android, Java, UI/UX design, and human-computer interaction. Bilingual in Chinese and English, moderately proficient in Japanese. Currently, I am studying data science-related fields at Coursera, such as GCP.

Skills


UI/UX Design


Android, Java


Machine Learning


Python


Natural Language Processing

Experience

Freelancer,       Aug 2020 ~ Jul 2021

  1. Practiced data structure and algorithm to the platform like Leetcode and Google Kickstart.
  2. Study skill in Google Cloud Platform (GCP) in the course at coursera.
  3. Implement two side projects: Recipe logging app, Work timer app. Still on progress.
  4. Try to implement Task Generator in War of Warcraft (alias Wow). Crawled the whole task document from Wowhead (the largest World of Warcraft information site) then analyze them.

Android Developer -- Team Leader @ Labeling Study,       Jul 2017 ~ Jul 2020

National Chiao Tung University

  1. Developed 90% of the Android App by implementing an android research tool - Minuku2 - for data collection. 
  2. Developed 3 kinds of collecting data mechanisms: participatory, context-triggered, and semi-context-triggered。
  3. Developed the whole interface and data flow in the app. 
  4. Improved the precision of the transportation mode by 40% by modifying the mechanism and parameters of the finite state machine which generated it based on the data of Google Activity Recognition. 
  5. Developed the function to upload the data through REST to MongoDB.
  6. Led a team of 4 in the Lab to interview 9 people and analyzed their opinions through the affinity diagram. 
  7. Analyzed 80% of the quantitative data by Python and R to show the result.

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Android Developer @ Daily Mobility Study at Ohio State University -- Columbus,       Jul 2017 ~ May 2019
National Chiao Tung University

  • Developed the Android App by implementing an android research tool - Minuku2 - for data collection.
  • Generated users' trips automatically to collect the questionnaire.
  • Developed the function of the combine, split, and delete for some cases that occurred due to the precision of GPS. 
  • Developed the function to upload the data through REST to the server.
  • Discussed with the team the rare cases that some people might travel across states that would affect the function of sleep time.

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Teaching Assistant @ Introduction of Computer Science,       Sep 2017 ~ Jan 2018
National Chiao Tung University

  • Instructed students on C and Python in the lab course.

Android Developer -- Team Leader @ Minuku2 (Data collecting app),       Jul 2017 ~ Sep 2017
National Chiao Tung University

  • Integrated, cleaned, and developed 50% of an android research tool - Minuku2 - by Java. 
  • Led a team of 4 in the Mobile and Ubiquitous Interaction lab to develop the data collecting functions such as accessibility service and transportation mode.
  • Developed the function to make the app keep collecting data by implementing foreground service; also, implemented alarm receiver to check the thread periodically for unexpected cases. 
  • Solved the issues that other android projects encounter.

UI designer @ Electronic Contact Book in Longshan Elementary School,       Sep 2016 ~ Oct 2016
National Chiao Tung University

  • Collected and integrated 60% of users' opinions by building an affinity diagram. 
  • Designed the Lo-fi user interface based on the result of the affinity diagram. 
  • Interviewed 40% of users to evaluate the usability of the Lo-fi interface.

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Software Developer @ Opinion Mining for Hot News Events,       Sep 2014 ~ Jun 2015 
National Chung Hsing University

  • Developed crawling functions through Comment API of Facebook and RSS of the news network by Java. 
  • Built 60% of web development by PHP and HTML.

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Quality Assurance Intern,       Jul 2015 ~ Aug 2015
USERJOY

  • Tested android games. 
  • Reported bugs for developers.

Education

Master, Sep 2016 ~ Jul 2020

National Chiao Tung University


Bachelor, Sep 2012 ~ Jun 2016

National Chung Hsing University


Honors & Awards

  • Won champion of Special Project Contest with "Opinion Mining for Hot News Events", June 2015.

Publications

  • Checkpoint-and-Reminder: a hybrid method of participatory and Environmental Sampling Method to label continuous annotated activity data", CHI Late-Breaking Works, 2020

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