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Java Consultant

Java Consultant

Java, TDD, Kafka, JSS, SQL, Equity Derivatives, Linux,

Global Equities Exchange – London City

£750 - £800 Per day -  6 – 12 Month Contract – Outside IR35

Harrington Starr has partnered with a Global Financial Equities Exchange is looking to hire a Java Developer to work on the development of the next-gen tech for their Global Exchange services. This is a great opportunity to join a leader in its field where you will join a small but highly tech focussed team refactoring the current performance and throughput of this exchange application.  

This Exchange is one of the leading in Europe in a variety of assets classes and they are looking to add a talented Java Developer to their team. You will be working in a start up like environment and will have access to all the code written within the team in order to create the best features and functionality for your work. All the developers will work on the full life cycle of the projects and so you will be able to get involved at all stages of the development and see the benefit of your work in a production environment.

As the Java Developer you will be working on building a Web based Exchange trading system that is considered critical to the continued success of this trading platform. You will need to have a strong understanding of Java Development including solid SQL Database development. We are also looking for Java Programmers to have some proven experience with Kafka and TDD. Ideally we would like to see a Java Developer from the Finance and Banking industry with specific knowledge of Equities, Equity Derivatives but we are also open to bring in someone who is smart and tech savvy with Java technologies. Developers need to be able to do analysis and understand the business as well as their own QA/Testing. They work in an agile way, using Scrum with two week sprints, TDD and pair programming (where possible)


Key skills include:

  • Java – Essential
  • TDD – Essential
  • RDBMS (they use Oracle and Postgres but happy to look at other databases) – Essential
  • Kafka – Beneficial
  • JSS – Beneficial
  • Financial Services – Equity & Equity Derivatives.


The Interview process is completely remote and the role will also be remote based. However, we are ideally looking for a London based Developer to join this team. If you feel you have a match of the tech spec above and looking for a new opportunity as a Contractor then I would love to hear from you. Please call Hari Sopal for the full details.