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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