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Barclays Logo Barclays · IT - Software Development

Senior Low-Latency Java Engineer

United States, Whippany 170000.00 - 230000.00 USD / Year · Job Posted February 18, 2026
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Job Description

Embark on a transformative journey as a Senior Low-Latency Java Engineer – VP. At Barclays, our vision is clear—to redefine the future of banking and help craft innovative solutions. In this role, you’ll build high-performance trading systems that power electronic execution at scale, working closely with quants and product teams to shape how orders are routed and executed in global markets. You’ll join the Equity Algorithmic Trading Technology team in New York/Whippany, developing and enhancing Java and C++ platforms that deliver market data, analytics, order management, and resiliency services for trading algorithms. This is a front-office engineering role with direct impact on trading performance and client outcomes. You’ll work closely with Quant developers, Quant researchers, and Product teams to design, build, and enhance algorithmic trading logic, smart order routing strategies, and execution workflows.

Job Responsibility

  • Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools. Ensuring that code is scalable, maintainable, and optimized for performance
  • Cross-functional collaboration with product managers, designers, and other engineers to define software requirements, devise solution strategies, and ensure seamless integration and alignment with business objectives
  • Collaboration with peers, participate in code reviews, and promote a culture of code quality and knowledge sharing
  • Stay informed of industry technology trends and innovations and actively contribute to the organization’s technology communities to foster a culture of technical excellence and growth
  • Adherence to secure coding practices to mitigate vulnerabilities, protect sensitive data, and ensure secure software solutions
  • Implementation of effective unit testing practices to ensure proper code design, readability, and reliability

Requirements

  • Core Java development in high-throughput, low-latency environments
  • Designing high-performance messaging systems with efficient binary protocols and lock-free patterns
  • Network and inter-process communication using UDP and related low-latency techniques
  • Advanced JVM tuning and garbage collection strategies such as ZGC or Azul Zing
  • Good analytical and problem-solving skills in complex, performance-critical systems

Nice to have

  • Building electronic trading or execution platforms
  • Knowledge of equities markets, execution algorithms, and smart order routing
  • Working with market data platforms or vendors such as Exegy or Refinitiv
  • Network latency measurement and tuning tools and techniques

What we offer

  • Competitive holiday allowance
  • Life assurance
  • Private medical care
  • Pension contribution
  • Incentive award
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