Web Application Full-stack Developer

Hong Kong - Hong Kong

Monthly Salary: Not Disclosed

Posted on: 2 days ago

Vacancies: 1 Vacancy

Job Summary

What You Will Do:

Migrate features from the legacy C# WPF system to a Vue 3 web platform understanding the original business logic and re-implementing it for the web.
Build and optimize real-time data views which update at high frequency with minimal UI lag.
Improve WebSocket data pipeline -- optimize message routing compression chunked sending bounded channel queuing and Web Worker processing for large datasets.
Collaborate with trading and infrastructure teams to develop new features.
Production support and bug fix.
Establish auto testing practices and framework.

Requirements:

5 years professional experience / C# backend.
Background with (Vue 3 preferred) and TypeScript
Strong experience with real-time web applications (trading app is a plus) -- WebSocket Server-Sent Events or similar streaming data technologies
Proficiency with high-performance data rendering -- virtual scrolling efficient DOM updates handling thousands of rows updating in real-time
Experience with Protobuf serialization and binary data protocols
Familiarity with Web Workers for offloading CPU-intensive tasks
Solid understanding of SQL databases (MSSQL or similar) and ORM (Entity Framework Core)
Experience with Redis or similar caching solutions
Familiarity with message brokers (RabbitMQ Kafka or similar pub/sub systems)
Experience with VXE Table or similar high-performance data grid libraries
Knowledge of Pinia state management and Tailwind CSS
Understanding of authentication systems (OAuth 2.0 SAML SSO)
Experience in crypto fintech or financial services is nice to have

What You Will Do: Migrate features from the legacy C# WPF system to a Vue 3 web platform understanding the original business logic and re-implementing it for the web.Build and optimize real-time data views which update at high frequency with minimal UI lag.Improve WebSocket data pipeline -- optimize...