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I’m the
Hi there! My name is Lingyun Dai, you can call me Lin. I am a builder & developer, pursing master's degree in data mining at a top 30 CS school in the US.
What I Have Learned In My 20s So Far
Tomorrow, I will turn 26. I moved to the US in 2016 for college when I was only 18. As an immigrant, I decided to study computer science. Hopefully, I will get a high-paying job and live a stable life afterward. In 2020, I started working at my first...
Who's Winning? Boyer-Moore Majority Vote Algorithm Simple Breakdown
Let's say we have a club with 501 members and are picking a new club leader. Let's assume you can vote for two candidates—one named A and the other named B. The majority vote is guaranteed because we have an odd number of members, and each member mus...
All About Sorting Algorithms - Part 2 - Merge Sort
In this article, we will discuss one of the main sorting algorithms that every software engineer should know: merge sort. I will explain the algorithm based on what I have learned. I hope you will learn something from the article. Let me know what yo...
Data Mining at George Mason University
2023 — Present
Software Engineer at Walmart Global Tech
December 2021 — May 2023
JavaScriptReact.jsJavaSpring Boot
- Implemented mechanisms to manage application resources, improving uptime, reducing server load, and enhancing user experience during high traffic periods.
- Managed production deployments, ensuring successful releases using version control and containerization tools.
- Enhanced database accuracy by developing a program to validate records, reducing data discrepancies.
- Enhanced data stream accuracy and system feature interactions by developing numerous functional test cases.
- Consolidated a large number of records into a unified model by integrating data from multiple sources using various technologies.
- Developed queries and dashboards to improve system monitoring and reduce issue resolution time.
- Created and maintained documentation for multiple software versions to ensure clear communication of features and enhancements.
- Guided interns in designing and implementing various application features to meet their objectives.
- Managed key production deployments, ensuring successful releases and coordination with various teams and stakeholders.
- Conducted sessions with stakeholders to gather requirements and design application APIs, facilitating the onboarding of new clients.
- Participated in on-call rotations and quickly resolved critical issues and incidents.
- Implemented encryption in financial applications to secure sensitive data in transit.
Software Engineer at Walmart Global Tech
May 2021 — December 2021
JavaScriptReact.js
- Developed features for a supplier interface to improve onboarding and program management, using various technologies.
- Improved the deployment pipeline by automating build validations and streamlining stages, reducing steps and increasing release frequency.
- Fixed numerous user-reported issues, including bugs and performance problems, and ensured thorough testing for accuracy.
- Created and maintained application documentation, reducing onboarding time.
Software Engineer at CVS Health
October 2020 — May 2021
TypeScriptReact.js
- Improved web application functionality and user engagement by setting up a data layer and integrating analytics to track user behavior.
- Enhanced site visibility and ranking with SEO optimization.
- Implemented security measures for protection against cross-site request forgery (CSRF).
- Added accessibility features to support screen readers and meet accessibility standards.
- Established a security policy to prevent cross-site scripting (XSS) attacks.
- Refactored the codebase to reduce bugs and improve quality.
- Defined technical requirements and workflows based on business objectives and collaborated with team members in Agile environments to increase efficiency and reduce time-to-market.
Computer Science, Cognitive Science at Michigan State University
2016 — 2020
Born in Xuzhou, China
July 24th 1998
Contact me
I’m always looking forward for new opportunities, and my inbox is always open. Whether you have a question or just want to say hi, I’ll try my best to get back to you!
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