Software Engineer Data

Junyi He

Email: *****.**@*****.*** Tel: 781-***-****

LinkedIn: linkedin.com/in/junyi-he GitHub: github.com/Junyihe EDUCATION

Tufts University Boston, MA

Master of Science in Computer Science Sep 2019 - May 2021 Shanghai University Shanghai, China

Bachelor of Science in Computer Science Sep 2015 - Jun 2019 WORK EXPERIENCE

XForcePlus Software Engineer Intern Mar 2019 - Jun 2019

• Summary: Redesigned, implemented and shipped an automatic SRM web crawler system used by 12 companies.

• Developed JSON-based crawling steps with configuration parameters, decreased 80% of the developing procedure.

• Built a three-layer tree storage structure and user-defined data exported method, improved efficiency by 32%.

• Worked across multiple teams (Web Frontend, PaaS and Quality Assurance) to ensure the crawler system is well tested and manage user access level by adding data access for CRUD operation.

• Leveraged knowledge in Java, Spring Boot, Swagger, Mybatis, Selenum2 and MySQL. PROJECTS

Bulletin Board Application GitHub Website Jul - Aug 2019

• Designed and implemented a web app for students to put activity posts using AWS within S3 and Nginx.

• Developed an Ajax based frontend and data pagination using Angular for UX.

• Built the back-end server using Node.js and Express with error handling and MongoDB for storage.

• Adopted JWT (JSON web tokens) to authenticate users and authorize users to only manipulate their own posts. UGC Sharing Application GitHub Feb - Mar 2019

• Implemented a SPA (single-page application) that can write and read articles based on React.

• Split bundles with react-loadable, reduced 24% of the page load time.

• Used Redux for communication between components, and redux-thunk for asynchronous operation.

• Created a fake REST API with json-server and generated browser links with react-router-dom. Live Chat Platform GitHub Nov - Dec 2018

• Developed a chat platform with text/file transfer and history message query based on Socket.

• Implemented multi-clients online using multithreading and data transfer based on UDP.

• Implemented real-time monitoring all threads using TCP to update friend lists/records client information. Portfolio Investment System GitHub Oct - Dec 2018

• Designed and implemented an intelligent portfolio investment system for Chinese stock based on machine learning

(Adaboost, Random Forest, and SVM), got a simulation return average 44% higher than the benchmark.

• Implemented a stop-loss strategy by forecasting stock index based on IHWF proposed in my published paper. PUBLICATION

Ruixin Yang, Junyi He et al. ‘An Intelligent and Hybrid Weighted Fuzzy Time Series Model Based on Empirical Mode Decomposition for Financial Markets Forecasting’, 2018 Industrial Conference on Data Mining. SKILLS

Languages Java, Python, C++, Matlab, HTML, CSS, Javascript Tools Git, Selenium2, Maven, MongoDB, MySQL, AWS, Bootstrap Frameworks Spring Boot, Swagger, Mybatis, Angular, React, Redux, Node/Expres

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