---
title: "Full-Stack Developer (C# + Vue 3) – Trading Systems at IO TECH SOLUTIONS LIMITED – VueJobs"
canonical_url: "https://vuejobs.com/jobs/io-tech-solutions-limited-full-stack-developer-c-vue-3-trading-systems"
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---

> Index of every page on this site: [llms.txt](https://vuejobs.com/llms.txt)

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

IO TECH SOLUTIONS LIMITED

Vue-first

**Full-stack**

![Flag of Hong Kong](https://hatscripts.github.io/circle-flags/flags/hk.svg) Hong Kong, Hong Kongon-sitefull-timesenior3 months ago

[**Apply Now **](https://www.careers-page.com/io-tech-solutions-limited/job/63VXW845?ref=vuejobs.com)

---

**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

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