Senior Backend Engineer- Trading Platform(Go/Rust)

Longbridge; United States; Hybrid; USD 140,000 - 210,000; Full time

Job summary

Longbridge, a modern AI-driven online brokerage, seeks a Senior Backend Developer to help shape our trading platform in the US. You’ll architect high-performance foundations for real-time securities trading, addressing massive concurrency and ultra-low latency.

You’ll collaborate with cross-functional teams to translate trading requirements into scalable software, optimize for microsecond latency, and advance infrastructure-as-code practices.

Qualifications

• Minimum 5 years of backend development experience.
• Strong fundamentals in data structures, algorithms, and networks.
• Experience with Rust required; Go or C++ also accepted with readiness to learn Rust.
• Experience with Linux internals and distributed systems debugging.

Responsibilities

• Architect and build core infrastructure for high-performance trading systems.
• Collaborate with cross-functional teams to translate trading requirements into scalable solutions.
• Optimize code for microsecond/low-latency latency and high throughput.
• Maintain system reliability with monitoring and failover strategies.
• Modernize tech stack with infrastructure-as-code and best practices.

Skills

Rust

Go

C++

Linux internals

Concurrency

TCP/UDP

Distributed systems

Education

Bachelor's or Master’s in CS

Job description

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 (hybrid) , but we are open to candidates in other locations (remote) in US.