Backend Software Engineer Java – Fintech

Company: Client Server
Apply for the Backend Software Engineer Java – Fintech
Location: London
Job Description:

Backend Software Engineer Java – Fintech (PR/100802) London, England

Salary: GBP80000 – GBP100000 per annum + bonus + benefits

Do you have expertise with backend core Java development?

You could be progressing your career in a senior, hands‑on Java Developer role at a global FinTech / CFD trading company that has been consistently voted as one of the UKs top employers.

As a Java Developer you will design and develop complex real‑time, low latency trading systems and execution services within a microservices environment. You’ll focus on backend multi‑threaded Java systems and will gain exposure to a wide range of tech (e.g. Spring Boot, Kafka, ActiveMQ, Oracle Coherence, Docker and Kubernetes), continually learning and developing your skills as part of a supportive Agile team.

Qualifications

  • You have advanced backend software engineering experience with Java
  • You have experience of working on event‑driven, low latency systems (millisecond)
  • You have experience with TDD, code quality and integration testing
  • You have messaging experience (they use MQ)
  • You have containerisation experience; they use Nomad but experience with a similar technology (e.g. Kubernetes) is fine
  • You’re collaborative and pragmatic with great communication skills

Benefits

  • Salary to £100k + Bonus
  • Pension, Private Medical Care, Life Assurance
  • Option to buy or sell holiday days
  • Wellness benefits and gym subsidy
  • Enhanced paternity leave including shared parental pay and leave
  • Employee led LGBTQ+, Women’s, Black and Parents & Carers networks with an annual budget for organising events and projects that foster an open, diverse and inclusive culture
  • Plus a range of other perks

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Posted: May 21st, 2026