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Java Developer

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Barclays

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Location:
United Kingdom , London

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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Job Description:

Join Barclays as a Java Developer, where you will design, develop, and enhance high-performance connectivity applications for the Prime Derivative Services business, which covers Futures and Options trading globally. The Connectivity applications are built on Java and they are designed to provide low-latency, high throughput processing of messages. In this role, you will help deliver robust business, platform, and technology capabilities that support our customers and colleagues across critical financial systems.

Job Responsibility:

  • Design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues
  • Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools
  • Cross-functional collaboration with product managers, designers, and other engineers to define software requirements
  • 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
  • Adherence to secure coding practices
  • Implementation of effective unit testing practices

Requirements:

  • Experience of Core Java
  • Experience with systems providing trading, risk, middle office, or other financial services
  • Experience with scripting: bash, python

Nice to have:

  • Knowledge of FIX, or other financial protocols
  • Expertise of developing/running Java applications under Linux including server monitoring and resource utilisation analysis
  • Familiarity with memory management, caching, networking, distributed systems, multi-threading, algorithms and/or operating systems
  • Experience with production support
What we offer:
  • Competitive holiday allowance
  • Life assurance
  • Private medical care
  • Pension contribution
  • Wellness Suite including gym and exercise studios
  • Personal training sessions and massage therapy
  • Cycle hire and parking areas
  • Showering and changing facilities
  • Co-working space (CoSpace)

Additional Information:

Job Posted:
April 23, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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