Senior Backend Engineer- Trading System(Go/Rust)

Longbridge; New York (NY); Hybrid; USD 140,000 - 190,000; Full time

Job summary

Longbridge, a leading next-generation social brokerage, seeks a Senior Backend Developer to design high-performance foundations powering real-time securities trading. You will tackle massive concurrency, ultra-low latency, and distributed systems reliability in a modern fintech platform.

You will architect core infrastructure, collaborate with cross-functional teams to translate trading requirements into scalable solutions, optimize for micro-millisecond latency, ensure resilience with robust

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field.
• At least 5 years of backend development experience.
• Strong CS fundamentals: data structures, algorithms, OS, networking.
• Proficiency with Rust; Go or C++ also considered with Rust familiarity.
• Experience with Linux internals, performance profiling, and debugging distributed systems.
• Innovative mindset with a fast-learning approach in a rapidly changing tech landscape.

Responsibilities

• Architect & Build: Design, implement and maintain the core infrastructure platform that supports our US securities trading system.
• Collaborate: Partner with cross-functional business and product teams to translate trading functionalities into scalable technical solutions.
• Optimize for Performance: Achieve micro-millisecond latency and high throughput.
• Ensure Resilience: Maintain system stability and high availability with monitoring and failover strategies.
• Modernize: Evolve tech stack, promote best practices in systems programming and infrastructure-as-code.

Skills

Rust

Go

C++

Education

Bachelor’s or Master’s degree in Computer Science or Software Engineering

Job description

Job Description

Job DescriptionAbout UsLongbridge is a leading next-generation social brokerage service provider, dedicated to redefining the global trading experience through cutting-edge technology. We bridge the gap between social networking and financial services, providing users with a seamless, high-speed, and secure platform to engage with global markets. At Longbridge, we don’t just follow industry standards—we set them. Our engineering culture thrives on innovation, technical excellence, and the use of modern systems programming languages to solve complex financial challenges at scale. Join us as we build the future of fintech.

The Role

As aSenior 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, implement and maintain the core infrastructure platform that supports our US securities trading system.
• Collaborate: Partner with cross-functional business and product teams to translate complex trading functionalities and business requirements into scalable technical solutions.
• Optimize for Performance:Continuously refine code and system architecture to achievemicro-millisecond latencyandhigh 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, operating systems and networking.
• Systems Expertise:Proven professional experience withRust. We are also open to experts inGo 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 withFunctional Programming(e.g., OCaml, Erlang, Elixir, or Haskell).
• Prior experience in trading platform (FinTech or Financial Services).

Job Location

the preferred job location is Dallas or New York on hybrid working mode. But we are open to candidates from other locations (remote).