Available to hire
Hi, I’m Ellen Zhang, a software developer focused on building scalable, data-driven web applications. I enjoy turning complex business requirements into robust, maintainable solutions using React, Python, and JavaScript, with a focus on real-time synchronization and automated workflows.
I thrive in Agile, cross-functional teams and contribute through CI/CD, code reviews, and strong collaboration to deliver reliable software with a great user experience.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Language
English
Fluent
Work Experience
Full-Stack Developer at Classics Tea Lounge
November 1, 2024 - PresentArchitected and developed an end-to-end reservation management solution to replace manual booking processes. Built a responsive frontend with React, JavaScript, and Tailwind CSS; implemented a table-allocation engine with business logic for party size optimization, time slot management, and table availability constraints. Enabled real-time data synchronization across all user and admin views via Firebase. Delivered a production-ready system handling 100+ daily visits with 99.9% uptime, reducing manual booking processing time during peak dinner hours by ~60%.
Software Developer Intern at Dalian DataLink Technology Co., Ltd.
July 1, 2023 - July 1, 2024Contributed to the development and maintenance of internal web-based applications for a technology services company, supporting business operations through feature development, system optimization, and reliable data handling. Implemented and enhanced 6–8 functional features across internal tools using Python and JavaScript; developed backend logic and SQL queries to process datasets of approximately 10k–15k records; assisted in developing and integrating 3–5 internal APIs; investigated and resolved 20+ defects and usability issues; identified inefficient queries and processing steps and contributed optimizations that reduced manual processing time by approximately 50–60% for recurring tasks.
Education
Bachelor of Computing (Honours) at Queen's University
September 1, 2020 - November 1, 2024Qualifications
Industry Experience
Software & Internet, Professional Services, Computers & Electronics
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Hire a Full Stack Developer
We have the best full stack developer experts on Twine. Hire a full stack developer in Kingston today.