Senior Backend Engineer - Trading Platform Longbridge · United States posted 1 month ago

Rustify; Texas; Hybride; USD 120 000 - 190 000; Plein temps

Résumé du poste

Longbridge, a leading fintech platform, seeks a Senior Backend Developer to design and implement the core infrastructure for its real-time securities trading system in the US. You will tackle massive concurrency, ultra-low latency, and distributed systems reliability while collaborating across product and business teams.

You will optimize performance, ensure resilience, and contribute to evolving the tech stack with modern systems programming practices in a fast-paced environment.

Qualifications

• Bachelor's or Master's in Computer Science, Software Engineering, or a related field.
• At least 5 years of backend development experience.
• Strong CS fundamentals: data structures, algorithms, threading, networking.
• Experience with Rust or readiness to master Rust in production.
• Linux internals, performance profiling, and debugging distributed systems.
• Innovative mindset, fast learner, and adaptability in a fast-changing tech landscape.

Responsabilités

• Architect and build the core infrastructure platform for the US securities trading system.
• Collaborate with cross-functional teams to translate trading requirements into scalable tech.
• Optimize code and architecture for microsecond latency and high throughput.
• Ensure resilience with monitoring, failover strategies, and high availability.
• Modernize the tech stack and advocate best practices in systems programming and IaC.

Connaissances

Rust

Go

C++

Multithreading

Distributed Systems

Linux

Performance Profiling

Networking (TCP/UDP)

Algorithms

Formation

Bachelor's or Master's in CS/SE

Description du poste

About Longbridge

Longbridge 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.

About the Role

As a Senior Backend Developer, you will be at the heart of our trading ecosystem. You don'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.

Requirements:

• 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.

Job Location:

the preferred job location is Dallas or New York but we are open to candidates from other locations.