Senior Backend Engineer- Trading Platform(Go/Rust)

About Us Longbridge is a new-generation, AI-driven online brokerage on a mission to make investing smarter, simpler, and more accessible for everyone. Headquartered in Singapore, we are redefining the investment journey by connecting the stages of "Discovery → Learning → Trading." With our proprietary AI assistant, PortAI, and a cloud-native infrastructure, we provide retail investors with institutional-grade insights and a seamless global trading network. At Longbridge, you won't just be working for a brokerage; you'll be building the future of financial infrastructure. The Role As a Senior Backend Developer, you will be at the heart of our trading ecosystem. You won't just be writing code; you will be architecting the high-performance foundations that power real-time securities trading. You will tackle challenges related to massive concurrency, ultra-low latency, and distributed systems reliability. Key Responsibilities: Architect & Build: Design and implement the core infrastructure platform that supports our US securities trading system. Collaborate: Partner with cross-functional business and product teams to translate complex trading requirements into scalable technical solutions. Optimize for Performance: Continuously refine code and system architecture to achieve micro-millisecond latency and high throughput, ensuring our traders have a competitive edge. Ensure Resilience: Maintain and improve system stability and high availability, implementing robust monitoring and failover strategies. Modernize: Contribute to the evolution of our tech stack, advocating for best practices in systems programming and infrastructure-as-code. What You'll Bring Bachelor's or Master's degree in Computer Science, Software Engineering, or a related technical field. At least 5 years experience in backend development. CS Mastery: A rock-solid understanding of computer science fundamentals, including complex data structures, algorithms, multi-threaded programming, and network protocols (TCP/UDP). Systems Expertise: Proven professional experience with Rust. We are also open to experts in Go or C++ who are eager to master Rust in a production environment. Operational Mindset: Experience with Linux internals, performance profiling, and debugging complex distributed systems. Soft Skills: An innovative mindset with a "built-to-last" philosophy. You are a fast learner who stays ahead of the curve in a rapidly changing tech landscape. Bonus Points Deep experience with Functional Programming (e.g., OCaml, Erlang, Elixir, or Haskell). Prior experience in the financial or trading industry (FinTech). Contributions to open-source projects or a strong presence in the systems programming community. Preferred Job Location: Dallas or New York