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Proactive full-stack developer with hands-on experience building and shipping React applications backed by Supabase. I’m comfortable jumping into existing codebases, optimizing performance, integrating APIs, and delivering clean, maintainable solutions under tight deadlines. I work independently, communicate clearly in remote settings, and take ownership from problem discovery through final deployment. Available to start immediately and committed to delivering a polished product within a one-week timeline.…Proactive full-stack developer with hands-on experience building and shipping React applications backed by Supabase. I’m comfortable jumping into existing codebases, optimizing performance, integrating APIs, and delivering clean, maintainable solutions under tight deadlines. I work independently, communicate clearly in remote settings, and take ownership from problem discovery through final deployment. Available to start immediately and committed to delivering a polished product within a one-week timeline.

Alex Choi

Full Stack Developer, Web Developer, Developer, +5

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Proactive full-stack developer with hands-on experience building and shipping React applications backed by Supabase. I’m comfortable jumping into existing codebases, optimizing performance, integrating APIs, and delivering clean, maintainable solutions under tight deadlines. I work independently, communicate clearly in remote settings, and take ownership from problem discovery through final deployment. Available to start immediately and committed to delivering a polished product within a one-week timeline.…Proactive full-stack developer with hands-on experience building and shipping React applications backed by Supabase. I’m comfortable jumping into existing codebases, optimizing performance, integrating APIs, and delivering clean, maintainable solutions under tight deadlines. I work independently, communicate clearly in remote settings, and take ownership from problem discovery through final deployment. Available to start immediately and committed to delivering a polished product within a one-week timeline.

Available to hire

Proactive full-stack developer with hands-on experience building and shipping React applications backed by Supabase. I’m comfortable jumping into existing codebases, optimizing performance, integrating APIs, and delivering clean, maintainable solutions under tight deadlines. I work independently, communicate clearly in remote settings, and take ownership from problem discovery through final deployment. Available to start immediately and committed to delivering a polished product within a one-week timeline.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Javanese

Advanced

Work Experience

Web Developer - Full Time Contractor at Vancouver Region Educational Services

July 1, 2025 - Present

Developed and maintained user-facing web applications using HTML, CSS, JavaScript, and content management systems like Wix and WordPress. Enhanced cross-platform user experience by implementing responsive layouts and ensuring accessibility for all users.

App Tester - Freelance at Uber

June 1, 2025 - Present

Performed QA testing of Uber iOS apps, identifying and documenting over 30 critical UI/UX bugs. Conducted regression tests for monthly releases, contributing to improved deployment stability and enhanced user satisfaction.

Software Development Intern at Creamo

August 1, 2022 - August 8, 2025

Developed interactive Java-based embedded logic for a smart toy enabling real-time hardware feedback. Performed integration testing with Python scripts to achieve full code coverage and conducted manual tests to validate responsiveness and edge cases. Incorporated user feedback from stakeholders and children with autism for iterative improvements.

Machine Learning Intern at Korea Institute of Science and Technology

April 1, 2022 - August 8, 2025

Built a high-accuracy facial recognition system using Python, Scikit-learn, and OpenCV achieving 99.38% accuracy. Automated data preprocessing and augmentation pipelines using Pandas and MoviePy to streamline dataset creation. Documented workflows to improve the project’s reproducibility and long term usability.

QA App Tester - Freelance at Uber

June 1, 2025 - Present

Performed QA regression and exploratory testing on Uber and Uber Eats iOS apps, identifying 30+ critical bugs; documented reproduction steps, expected vs actual behavior, and root cause insights to QA leads; tested upcoming app versions weekly to contribute to more stable releases and improved user experience.