Johnson Chong

Software Engineer

Kowloon, Hong Kong SAR

About

Computer Science Student. Some software development experiece. Like solving problem using any tools.

Experience

  • Software Engineer at TDX Strategies
    Nov 2025 - Present · 8 mos

  • Software Engineer at SleekFlow
    Jun 2024 - Nov 2025 · 1 yr 6 mos

    • Engineered and maintained a high-throughput, low-latency AI Agent, Instant Messaging, and Flow Automation platform, processing millions of requests daily in a distributed system environment. • Spearheaded full software development lifecycle, including requirements analysis, technical design, implementation, and post-launch monitoring, ensuring robust and scalable solutions. • Designed and optimized backend systems using C#, .NET Core, WebSocket, Redis, Azure Service Bus, SQL Server, and Cosmos DB, seamlessly integrating monolithic, microservices, and event-driven architectures to meet stringent performance requirements. • Participate in several performance improvements, identify bottlenecks and refactor to o identify and fix performance issues during burst traffic in micro services environment o identify bottleneck of API and improve its performance by 80%. • Develop and integrate the Web App to Api & WebSocket with React.js, React Query, and Figma. • Be the rotate On-call Engineer to monitor the dashboard, handle P0 tickets and resolve potential disruptions to the business.

  • Software Engineer Intern at SleekFlow
    Jun 2023 - Feb 2024 · 9 mos

    SleekFlow is an agentic AI platform that transforms conversations into sales. Trusted by over 2,000 enterprises across 70 countries, we unify communication channels into one single platform. Integrating with your own CRM or e-commerce platform, you can build a team of AI Agents that can reply, and act on behalf of you. Customizable workflows supercharge human-AI collaboration for faster conversions.

  • MUXIC.IO (Hong Kong SAR)
    • Software Engineer
      Sep 2022 - Jun 2023 · 10 mos

    • Software Engineer
      Jun 2022 - Aug 2022 · 3 mos

      Design and developed two websites using React.js and interact with existing APIs. Write, test, and deploy smart contract using Solidity and Hardhat.

  • Software Engineer at Applied Technology Group Limited
    Jan 2022 - Jun 2022 · 6 mos

    Develop and maintain backend system with C# ASP .NET Core Develop admin portal with React.js