Dexiang Chen

MSc Computer Science | Software Development

Talent

Dublin, Dublin City0Member since 4 September 2023

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About

I'm a recent graduate of MSc Computer Science at UCD. I have a keen interest in backend technologies. I am self-motivated and capable of working in high-pressure environments with an intense sense of responsibility, and willing to continuously learn and adapt.

I am working on the full-stack projects involving Java, React, SQL, JavaScript, and HTML/CSS. I implement it for the sake of proof of concept and self-learning. I also gain experience in Machine Learning and data analysis with Python from previous coursework.

I graduated in Dec 2022 and I'm looking for graduate/junior software engineer position where I can leverage my skills for impactful contributions.

Programming Languages: Java, Python (scikit-learn, NumPy), JavaScript, HTML/CSS, SQL, Shell

Frameworks: Spring Boot, React, Bootstrap, Junit, Mockito

Platform/Tools: Docker, Kubernetes, Jenkins, Azure, AWS, Maven, Git, Jira, Axios

Experience

Note Taking Application

Sep 2022 - May 2023

Full Stack Project, Side Project

Implemented authorization and note resource services in RESTful style with Spring Boot and Spring Security
Developed the frontend service with OAuth 2 Authorization code flow using React and Bootstrap, integrated a headless WYSIWYG text editor for note editing and a syntax highlighter for code snippets
Leveraged React custom hooks and contexts for efficient user authentication management
Achieved over 95% coverage in unit testing and integration testing by JUnit and Mockito
Deployed Docker compose and Jenkins CI/CD Pipeline on AWS ECS

Microsoft Academic Software Project (Team Project | DevOps Engineer)

May 2022 - Aug 2022

Distributed Data Storage and Visualization Project, UCD

Designed and reviewed the initial architecture of the distributed consistent storage and visualizationsystem
Deployed the StatefulSet on Azure Kubernetes Service to enhance scalability of Raft nodes (from 1 to 13)
Conducted concurrency performance testing (over 100 concurrent requests) with Locust, demonstrating the reliability of Raft storage service with a median response time of less than 300 ms
Led as the scrum master to host daily scrum and weekly meetings, and managed agile development workflow with Jira in a team of 6 members
Established and maintained self-managed GitLab repo for source control and code review process

Product Review Analysis Application

Mar 2022 - Apr 2022

Data Science Project, UCD

Built a web scraper for extracting and filtering over 4,000 product reviews based on user-defined keywords
Performed sentiment analysis and helpfulness prediction for reviews with over 70% accuracy with scikit-learn
Applied text mining model (Tfidfvectorizer) to evaluate the importance of words within a document corpus