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Date live: Jan. 07, 2026

Business Area: Markets Pre Trade

Area of Expertise: Technology

Reference Code: JR-0000086006

Contract: Permanent

We are seeking a Senior Java 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.

Key Accountabilities

  • Design and development of industry-leading, ultra-low-latency Equities trading systems. Individual should be taking up the full responsibility and drive multiple deliveries at a time.
  • Be a Go-to 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

Stakeholder Management and Leadership

  • The role will require interaction with both senior Front Office Trading and Sales stakeholders at the Director and Managing Director level across multiple regions.
  • The candidate must be able to effectively understand requirements from their stakeholders and be able to proactively participate in ongoing product enhancement discussions with their stakeholders and provide informed inputs to help shape and evolve those discussions.
  • The role will require interaction with senior IT based Director and Managing Director level leadership functions for discussions on the project, the product, ongoing workstreams and be able to participate in discussions on strategic evolution of the platform and roadmap formation.

Decision-making and Problem Solving

  • 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

Essential Skills/Basic Qualifications:

  • Strong several years of experience in Java programming skills for developing low latency system specially for APAC markets.
  • Excellent hands on/ architecture experience of developing Sub Micro low-latency trading systems and writing Java code for multithreaded server applications and performance tuning techniques on Linux.
  • Good scripting skills using Python, Perl or similar, working experience in a Linux environment and understanding of higher-level Computer Science concepts such as data structures and algorithms.
  • Working experience, collaboration in the regional and global team structure.

Desirable skills/Preferred Qualifications:

  • Proven experience in working in the Investment banking, working with directly with Traders and Desk Heads.
  • Advanced expertise in computer networks, computer architecture, and operating systems like Linux.
  • Industry experience on C++ or Working on languages like System Verilog, Verilog, or VHDL on FPGAs etc is a plus
  • Degree in Computer Engineering, or Computer Science.

The role is based in Singapore.

You may be assessed on key critical skills relevant for success of the role including job-specific technical skills and interpersonal skills.

Barclays is required by law to confirm that you have the Legal Right to Work in any role that you apply for. If you currently hold a work visa sponsored by Barclays, or you would require sponsorship from Barclays, you must declare this as part of your application. Sponsored visas are role and entity specific, and any changes must be reviewed. It is important that you ensure you are working on the correct visa at all times. Failure to accurately disclose your visa status or Legal Right to Work may result in your application or any employment offer being withdrawn at any time

Purpose of the role

To design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues. 

Accountabilities

  • 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.

Vice President Expectations

  • To contribute or set strategy, drive requirements and make recommendations for change. Plan resources, budgets, and policies; manage and maintain policies/ processes; deliver continuous improvements and escalate breaches of policies/procedures..
  • If managing a team, they define jobs and responsibilities, planning for the department’s future needs and operations, counselling employees on performance and contributing to employee pay decisions/changes. They may also lead a number of specialists to influence the operations of a department, in alignment with strategic as well as tactical priorities, while balancing short and long term goals and ensuring that budgets and schedules meet corporate requirements..
  • If the position has leadership responsibilities, People Leaders are expected to demonstrate a clear set of leadership behaviours to create an environment for colleagues to thrive and deliver to a consistently excellent standard. The four LEAD behaviours are: L – Listen and be authentic, E – Energise and inspire, A – Align across the enterprise, D – Develop others..
  • OR for an individual contributor, they will be a subject matter expert within own discipline and will guide technical direction. They will lead collaborative, multi-year assignments and guide team members through structured assignments, identify the need for the inclusion of other areas of specialisation to complete assignments. They will train, guide and coach less experienced specialists and provide information affecting long term profits, organisational risks and strategic decisions..
  • Advise key stakeholders, including functional leadership teams and senior management on functional and cross functional areas of impact and alignment.
  • Manage and mitigate risks through assessment, in support of the control and governance agenda.
  • Demonstrate leadership and accountability for managing risk and strengthening controls in relation to the work your team does.
  • Demonstrate comprehensive understanding of the organisation functions to contribute to achieving the goals of the business.
  • Collaborate with other areas of work, for business aligned support areas to keep up to speed with business activity and the business strategies.
  • Create solutions based on sophisticated analytical thought comparing and selecting complex alternatives. In-depth analysis with interpretative thinking will be required to define problems and develop innovative solutions.
  • Adopt and include the outcomes of extensive research in problem solving processes.
  • Seek out, build and maintain trusting relationships and partnerships with internal and external stakeholders in order to accomplish key business objectives, using influencing and negotiating skills to achieve outcomes.

All colleagues will be expected to demonstrate the Barclays Values of Respect, Integrity, Service, Excellence and Stewardship – our moral compass, helping us do what we believe is right. They will also be expected to demonstrate the Barclays Mindset – to Empower, Challenge and Drive – the operating manual for how we behave.

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