Available to hire
Hi, I’m Shawn Yu, a Full Stack Software Developer based in St Leonards, NSW. I build scalable, maintainable software for fast-paced startups, leveraging C#/.NET, TypeScript, and React to deliver end-to-end features and robust APIs.
I enjoy collaborating with designers and stakeholders to translate complex requirements into clean, reusable components and reliable services. I’ve integrated external financial APIs, improved system resilience against incomplete external responses, and I’ve used AI-assisted workflows to increase development efficiency. I’m committed to digitising and automating operational workflows and delivering value quickly.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Language
English
Fluent
Work Experience
Full Stack Software Engineer at Blue Ring Studio
December 1, 2022 - January 1, 2026Designed, built, and maintained business-critical application features and internal product modules in a startup environment. Developed full-stack functionality using React, TypeScript, and backend services built with C# .NET and PostgreSQL, enabling scalable and maintainable application workflows. Partnered with designers and stakeholders to translate requirements into working software. Built reusable UI components and modular frontend architecture. Developed and integrated RESTful APIs to support Microservices, event-driven architecture, data workflows, and cross-system communication. Integrated bank-related top-up and payment APIs, improving reliability when handling external financial system responses. Improved handling of transaction states by designing for delayed or unclear external responses, reducing risk of inconsistent statuses. Delivered end-to-end feature modules, including design, implementation, testing, deployment, and post-release support. Deployed updates via AWS work
Full Stack Developer (Internship) at JR Academy
September 1, 2022 - December 1, 2022Developed web applications and internal management features using React, TypeScript, Node.js, and Express. Built user-facing interfaces and backend services supporting authentication and data filtering. Designed and consumed RESTful APIs and integrated MongoDB and relational data structures for application data processing and queries.
Education
Master of Information Technology at University of New South Wales (UNSW)
February 1, 2021 - December 1, 2022Bachelor of Financial Management at Tianjin University of Commerce
September 1, 2016 - June 1, 2020Qualifications
Industry Experience
Software & Internet
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Hire a Full Stack Developer
We have the best full stack developer experts on Twine. Hire a full stack developer in Sydney today.