Web Application Full-stack Developer

• 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.

• 5+ years professional experience in .NET / C# backend. • Background with Vue.js (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 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 in .NET / C# backend. • Background with Vue.js (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 Originally posted on Himalayas Full-Stack-Developer, Web-Developer, Full-Stack-Engineer, Front-End-Developer, Backend-Engineer, Full-Stack-Web-Developer, Full-Stack-Web-Development, Mid-Level-Fullstack-Web-Application-Developer, Web-Application-Developer, Full-Stack-Web-Engineering