Lexin Yi
Seattle,WA
Summary
MSCS Candidate at Northeastern University (GPA 3.83/4.0) with a strong Mathematics foundation from UW. Specializing in Java Concurrency and Backend System Design, with proven experience in building high-throughput multi-threaded simulators and optimizing complex robotic control logic. Seeking a Software Engineering Internship/Co-op for Summer 2026.
Overview
5
5
years of professional experience
Work History
Technical Content Translator
DHgate
Beijing, China
06.2023 - 10.2023
• Translated and optimized technical product documentation with 100% terminology accuracy.
• Partnered with product teams to standardize descriptions for global audiences.
Debugging Technician
WER Robot Team
Hefei, China
09.2018 - 06.2021
• Optimized robotic arm control logic, improving task completion efficiency by ~20%.
• Resolved hardware-software integration issues using logic-based programming; ensured 100% system stability.
• Performed technical troubleshooting and maintenance for peak performance.
Education
Master of Science - Computer Science
Northeastern University
Seattle06-2027
Bachelor of Arts - Mathematics
University of Washington
Seattle, WA03-2025
Skills
Languages: Java (Proficient), SQL, JavaScript (ES6), Python, HTML/CSS
Java Stack: Multi-threading (Concurrency), JVM, JUnit 5, Gradle, SLF4J/Logback
Tools & Databases: Git/GitHub, IntelliJ IDEA, Docker, MySQL, MongoDB, RESTful APIs
Core Concepts: Object-Oriented Design (OOD), Design Patterns, Producer-Consumer Model
Technical Project
Concurrent Ride-Sharing Simulation System (Java) | Nov 2025 – Feb 2026
Link:https://github.khoury.northeastern.edu/ylx1187304321/rideshare-
simulator.git.
• Engineered a high-concurrency dispatching engine using a Producer-Consumer architecture with dedicated worker threads, managing the full lifecycle of ride requests.
• Implemented Priority-based scheduling using PriorityBlockingQueue, ensuring O(logN) efficiency for prioritizing Express-tier users during peak traffic.
• Applied the Strategy Design Pattern to support pluggable dispatch algorithms (Nearest-Driver, Load Balancing), allowing seamless logic switching via external configuration files.
• Ensured system robustness through Graceful Shutdown mechanisms and localized exception handling, preventing thread-leakage and ensuring 100% data integrity.
• Composite Strategy reduced average latency by 15% vs. standard Load Balancing.
Timeline
Technical Content Translator
DHgate
06.2023 - 10.2023
Debugging Technician
WER Robot Team
09.2018 - 06.2021
Master of Science - Computer Science
Northeastern University
Bachelor of Arts - Mathematics
University of Washington