💼 Full-Time Position

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

🏢
IO TECH SOLUTIONS LIMITED
📍 Hong Kong, Hong Kong, Hong Kong
📍
Location
Hong Kong, Hong Kong
📅
Posted
June 03, 2026
Type
Full-Time
🎯

Full-Time Opportunity: This is a permanent, full-time position with a competitive package and real career growth potential.

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 proto...