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Barclays Logo Barclays · IT - Software Development

Low-Latency C++ Developer

Czechia, Prague · Job Posted January 09, 2026
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Job Description

Join us as a Low-Latency C++ Developer at Barclays where you will spearhead the evolution of our digital landscape, driving innovation and excellence. In this role, you will leverage your deep knowledge of C++ programming and design patterns to work with market data, including real-time data feeds and data storage. You will develop high-performance, low-latency systems, ensuring they meet the demands of a fast-paced, geographically dispersed environment. Your role will also involve continuously improving these systems to maintain and enhance their efficiency and reliability.

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

  • Low latency programming in C++
  • Multi-threading, concurrency, together with proficiency in performance tuning and optimization techniques
  • SQL or KDB database technologies

Nice to have

  • Experience with financial markets, trading systems, and algorithmic trading
  • Familiarity with market data protocols, such as ITCH, FAST, FIX
  • Knowledge of scripting languages, such as Python or Shell

What we offer

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