Full-Stack Engineer (High-Performance Web Systems)

IO TECH SOLUTIONS LIMITED
full time Hong Kong, Hong Kong Island Computer Occupations
Posted:
June 11, 2026
Location:
Hong Kong, Hong Kong Island, Hong Kong

Job Description

What You Will Do

  • Legacy Transformation: Reverse-engineer complex business logic from C# WPF systems and architect modern, scalable equivalents in a web-native environment.
  • Data Pipeline Engineering: Architect and optimize the end-to-end WebSocket pipeline, implementing advanced techniques like binary serialization (Protobuf), message routing, and bounded channel queuing.
  • High-Frequency UI: Develop real-time data visualizations and grids that handle thousands of updates per second with zero UI lag using Web Workers and custom rendering strategies.
  • Infrastructure Collaboration: Partner with trading and infra teams to bridge the gap between low-latency backend services and the end-user experience.
  • Quality & Resilience: Establish automated testing frameworks for real-time systems and provide tier-2 production support to ensure 24/7 system re...

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Job Overview

Job Type: full time
Location: Hong Kong, Hong Kong
Posted: June 11, 2026
Deadline: July 21, 2026