Kexin Wu, Software Engineer

About

I am a software engineer with 2 years of experience. As a highly skilled and innovative software engineer with a strong educational background from Cornell University, I mastered C++, Python, Java, Go, JavaScript, and other relevant technologies, I have successfully tackled complex technical challenges and delivered exceptional results in my previous roles.

Experience

AppCard

May 2023 – Jul 2023

New York

software engineer

• Used python to improve an interactive messaging system for customer onboarding, automatically creating an average of 100+ new member profiles with details such as ID and phone number upon receiving register keyword. • Developed a flexible user opt-out system using PostgreSQL and Oracle , successfully reducing unwanted communica- tions by 30% and enhancing customer satisfaction, by allowing them to stop receiving messages with stop keywords. • Built robust validation mechanisms in the code, effectively improving system accuracy by 40% and enhancing customer experience by verifying the existence of promotions. • Authored extensive documentation on processes and functionalities, resulting in a reduction in onboarding time for new team members and enhancing project continuity.

Alibaba

May 2021 – May 2022

Hangzhou, China

software engineer

• Led sustainable system scaling efforts through automation, and implemented improvements to DevOps systems, such as connecting algorithm testing to cloud platforms. • Created a Java Idea plugin for software engineers to run scripts locally, significantly reducing coding time by 30% and enhancing productivity. • Utilized C++, Java, and Sofa Boot to develop the Alipay distributed system function, reducing noise in monitoring and enabling the creation of changing profiles and reflowing of samples. This demonstrated a strong ability to create effective solutions to complex technical challenges. • Developed over 30 exception-based reports and operation reports for backend development and maintenance, ensuring system stability and reliability. • Built a web service with REST APIs, developed unit tests, and improved general test line coverage from 65% to 90%, resulting in improved efficiency by 91.3%. These achievements earned a return offer and demonstrated a strong ability to create high-quality and efficient systems.

AgriFuture

May 2020 – Mar 2021

Shenzhen, China

Founder& Full-stack Engineer

• Founded and led a successful start-up with a team of over 40 members, proposing an innovative agricultural platform to trace agricultural products and enhance transparency in the industry. • Designed and developed the backend logic for the platform using C++, Java, and Springboot, and implemented the frontend using Vue.js, React, including creating toolbars for forecast curves and crop growth data presentation. • Optimized the cloud data retrieval process by identifying bottlenecks and reducing inter-service data querying time by over 90%. This significantly improved the efficiency of the platform and enhanced user experience. • Established partnerships with industrial farmland to forecast production, culminating in the signing of a letter of intent in August 2021. This demonstrated a strong ability to collaborate and form valuable industry connections.

Education

Cornell University

Sep 2022 – May 2023

Master, Computer Science

Chinese University of Hong Kong

Sep 2018 – May 2022

Bachelor, Computer Science

Kexin Wu

Software Engineer

Skills

Languages