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Barclays Logo Barclays · IT - Software Development

Equities Developer C++

Singapore, Singapore · Job Posted January 25, 2026
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Job Description

We are seeking a strong C++ developer for designing and developing ultra-low-latency end-to-end Direct Market Access (DMA) trading platform. As a Barclays Developer within Equities QPS (Quantitative Prime Services) Technology, you will join a team focused on building out the functionality and technology of the SubM , SUBM-R, SubM Native systems for our flagship product offering for giving ultra-low latency to a very niche domain of very high volume and low latency sophisticated Equites trading clients, mostly Hedge funds as well as develop Cash Connectivity Platform for our Equities Cash Business.

Job Responsibility

  • Design and development of industry-leading, ultra-low-latency Equities trading systems
  • Work closely with existing leads to review current platform architecture and propose and implement changes geared towards performance improvements, simplification, and technical debt reduction
  • Be a GoTo person for Business/ Desk and provide estimates for tasks including design, development, and testing
  • Holistic simulation and testing of the trading system for high reliability
  • Support analysis, testing, and operations teams
  • Participate in code reviews and architectural decisions
  • Mentor junior developers
  • Working with business analysts and project managers to understand the requirements
  • Analysing those requirements to find the most appropriate technical solution and creating a technical specification where needed
  • Developing a pragmatic software solution as per the requirement specifications
  • Unit / system / regression / performance testing of the solutions
  • Fixing bugs coming out of System / UAT testing
  • Reviewing code produced by others
  • Supporting the implementation of each new code
  • Resolving any post-implementation issues as needed
  • Participating in post-project reviews to improve the project lifecycle where necessary
  • 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

  • Excellent 5+ years of experience with expertise in C++
  • Conversant with Modern C++ topics and features
  • Expert in data structures, algorithms, multi-threading, and C++ standard library
  • C++ performance and low latency understanding to make latency reduction on the critical path of flow
  • Good working experience of Linux/Unix operating system and Linux commands
  • Working experience, collaboration in the regional and global team structure

Nice to have

  • Front office trading development on the critical path to the exchange and may have developed low latency system specially for APAC markets
  • Proven experience in working in the Investment banking, working with directly with Traders and Desk Heads
  • Algorithmic Trading experience with a High Frequency Trading Firm
  • User Space Networking: Solar flare open onload
  • Lower level TCPIP Experience

What we offer

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