Senior Backend Engineer (Golang)

About Us

Longbridge is an AI-powered online brokerage that serves global investors with optimal trading experience through building worldwide trading infrastructure and networks. Established in March 2019, Longbridge holds 22 financial licenses and qualifications across the United States, Singapore, Hong Kong, New Zealand and other regions, having secured over US$150 million in strategic investments from major financial and investment institutions. Its subsidiary, Longbridge Securities (Hong Kong) Limited (CE No.: BPX066), holds Type 1, 2, 4, and 9 licenses issued by the Hong Kong Securities and Futures Commission (SFC).

What You'll Do

• Design and develop core systems supporting securities and trading business
• Optimize foundational components to improve engineering efficiency across teams
• Identify performance bottlenecks and reliability gaps to improve system stability and scalability
• Investigate root causes at the framework and infrastructure level to continuously optimize system performance
• Explore applying AI Agent technology to securities and financial business scenarios to enhance system intelligence

What We're Looking For

• 5+ years of backend development experience including 2+ years working in Go with high-performance server-side architecture design
• Hands-on experience building microservices and high-concurrency production systems
• Solid understanding of data structures, algorithms, and design patterns
• Familiar with Linux/Unix environments and common middleware internals
• Professional written and verbal communication skills in English

Nice to Have

• Domain knowledge in financial products / capital markets
• Proficiency in Java, Python, or Rust
• Familiarity with AI development, including AI Agent development and underlying principles