Full-Stack Developer (C# Vue 3) – Trading Systems

Hong Kong, Hong Kong SAR, Hong Kong

Full-Stack Developer (C# + Vue 3) – Trading Systems

Job Description

Responsibilities

• Migrate legacy C# WPF trading system to Vue 3 web platform
• Rebuild and optimize business logic for low-latency systems
• Develop real-time market data views with high-frequency updates
• Optimize WebSocket pipelines (routing, compression, batching, queuing)
• Implement Web Worker processing for large datasets
• Collaborate with trading and infrastructure teams
• Provide production support in a fast-paced environment
• Establish and improve automated testing frameworks

Requirements

• 5+ years .NET / C# development experience
• Strong ASP.NET Core Web API experience

Proficient in Vue 3 and TypeScript

• Experience with real-time systems (WebSocket / streaming technologies)
• Strong experience in performance optimization (frontend & backend)
• Experience with Protobuf / binary protocols

Familiarity with Web Workers

• Strong SQL (MSSQL) + Entity Framework Core
• Experience with Redis (caching)
• Familiarity with Kafka / RabbitMQ
• Experience with high-performance data grids (e.g., VXE Table)

Knowledge of Pinia, Tailwind CSS

Understanding of OAuth2, SAML, SSO

Required Skills

Trading C#