resume

Basics

Name Albert (Geyang) Xu
Email albertxu1010@gmail.com
Phone 858-568-6771
Url https://linkedin.com/in/albert-xu-a611a51bb
Summary Full-stack software engineer with hands-on experience in backend APIs, cloud deployment, and frontend frameworks. Proven ability to build scalable applications, automate workflows, and contribute to research on data quality in AI systems. Passionate about engineering elegant solutions to real-world problems.

Education

  • 2022.09 - 2024.03

    La Jolla, CA, US

    Master of Science
    University of California, San Diego
    Computer Science
    • Principles of Computer Operating Systems
    • Statistical NLP
    • Principles of Machine Learning
    • Principles of Computer Architecture
    • Principles of AI
  • 2018.09 - 2022.06

    Liverpool, UK

    Bachelor of Science
    University of Liverpool
    Computer Science
    • Advanced Object Oriented C Languages
    • Software Engineering
    • Complexity of Algorithms

Work

  • 2024.10 - Present
    Software Engineer
    4Pexonic Inc.
    Developed large-scale project management web applications and optimized backend systems for performance and reliability.
    • Built responsive UIs with Angular, reducing load times by 30%.
    • Integrated RESTful APIs with Ruby backends and PostgreSQL databases, cutting latency by 35%.
    • Streamlined SDLC using Agile, CI/CD, and Git, halving deployment time and reducing failures by 40%.
  • 2024.09 - 2025.04
    Full-Stack Engineer
    Spesland
    Led development of AI-driven government platform GovChat used in 200+ cities.
    • Built Dockerized services using Node.js/Express, MongoDB, and Next.js, reducing setup time by 60%.
    • Integrated GPU-powered LLM microservices for city services, achieving 200ms average latency.
    • Implemented TLS termination with Nginx/Certbot and secure authentication, reaching 99.9% uptime.
  • 2024.02 - 2024.06
    Web Developer
    UCSD ECE Department
    Maintained and improved the ITA workshop website using Django and React.
    • Implemented caching and query optimization to cut load times by 35%.
    • Improved upload logic, reducing media upload speed by 20%.
    • Managed PostgreSQL and versioned S3 backups with multi-region replication.
  • 2023.10 - 2024.09
    Research Engineer
    UCSD Halıcıoğlu Data Science Institute
    Created tools to inject and analyze data quality issues in ML workflows.
    • Improved model fairness by 15% and accuracy by 10% through error injection framework.
    • Executed robustness evaluations on data cleaning tools and ML models.
    • Enhanced bias injection precision using Z-score normalization, improving attack capability by 30%.

Skills

Programming Languages
Python
Java
Go
SQL
C/C++
HTML/CSS
JavaScript
Rust
Objective-C
C#
R
Haskell
Frameworks and Tools
Django
React
Git
Docker
AWS
gRPC
Matlab
Flask
Hadoop
DynamoDB

Languages

Chinese
Native speaker
English
Fluent

Interests

Photography
Landscape Photography
Portrait Photography
Travel
Cultural Exploration
Adventure Travel