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Java Developer


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Java Developer

As Barclays Java Developer, you will be developing connectivity applications for the Prime Derivative Services and Electronic trading business, which covers Equities, Futures and Options globally. The Connectivity applications are built on a Java platform designed and developed to provide low-latency, high throughput processing of messages. Designing and developing critical components that form the very core of the Equities Electronic Trading business: Smart Order Routing and Algorithmic Trading strategies will be part of your role.

Barclays is one of the world's largest and most respected financial institutions, established in 1690, with a legacy of success, quality, and innovation. We offer careers that provide endless opportunity – helping millions of individuals and businesses thrive and creating financial and digital solutions that the world now takes for granted.


At Barclays, we offer a hybrid working experience that blends the positives of working alongside colleagues at our onsite locations, together with working from home. We have a structured approach where colleagues work at an onsite location on fixed, ‘anchor’, days of the week, for a minimum of two days a week or more, as set by the business area (or nearest equivalent if working part-time hours). Please discuss the working pattern requirements for the role you are applying for with the hiring manager. Please note that as we continue to embed our hybrid working environment, we remain in a test and learn phase, which means that working arrangements may be subject to change on reasonable notice to ensure we meet the needs of our business.

What will you be doing?
  • Developing solutions both tactical and strategic problems to meet business requirements
  • Comprehending requirements and help the team to deliver high quality solutions
  • Providing estimates for tasks, including design, development, technical debt, and testing
  • Producing code that is appropriate for a low-latency java platform
  • Participating in code reviews and architectural discussions
  • Developing automated testing tools to exercise functionality, performance, and capacity of code
  • Proposing solutions to complex problems that are in keeping with the existing system architecture


What we’re looking for:
  • Outstanding knowledge and competence of Core Java
  • Solid grasp of multi-threading, memory management, networking, distributed systems, algorithms and/or operating systems
  • Experience of mentoring junior team members
  • Experience of developing/running Java applications under linux
Skills that will help you in the role:
  • Experience with systems providing trading, risk, middle office, or other finance services
  • Knowledge and competence of FIX, or other financial protocols
  • Experience with network or platform engineering
  • Knowledge of C++ and experience with scripting: bash, perl, python


Where will you be working?
Our Prague office is based in the financial center of Prague. We are part of the Operations and Technology Division, and as such, we try our best to stay at the top of our technological game. However, the technology itself is not the most important thing. What matters the most to us is the way our ingenuity can help provide better service to our customers and make life easier for our employees.


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