Senior Backend Engineer- Trading Platform(Go/Rust)

Longbridge; New York (NY); On-site; USD 120,000 - 180,000; Full time

Job summary

Longbridge seeks a Senior Backend Developer to architect and build the core infrastructure for our US securities trading system. You will tackle massive concurrency, ultra-low latency, and ensure high availability in a distributed, cloud-native environment.

The role emphasizes Rust with openness to Go or C++ as you master Rust in production. Responsibilities include designing scalable platforms, partnering with cross-functional teams, and driving performance optimizations while modernizing the

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field.

Responsibilities

• Architect & Build the core infrastructure platform for US securities trading.
• Collaborate with cross-functional business and product teams to translate trading requirements into scalable technical solutions.
• Optimize for micro-second latency and high throughput to give traders a competitive edge.
• Ensure resilience with robust monitoring and failover strategies for high availability.
• Modernize the tech stack and advocate for best practices in systems programming and infrastructure-as-code.

Skills

Backend development

Rust

Go

C++

Linux internals

Performance profiling

Distributed systems

Multithreading

Networking (TCP/UDP)

Fast learner

Education

Bachelor’s or Master’s in CS

Tools

None

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