Backend Developer (Java/Kotlin)

BACKDEVLONGU1025
  • Up to £800 per day
  • London
  • Contract

I’m currently working with a large fintech firm with a global presence that’s embarking on a major modernisation project—rebuilding their legacy trading system from the ground up. This is a fantastic opportunity to join a small, focused team delivering a modern, high-performance trading application using cutting-edge tech in a fast-paced front-office environment.

What You’ll Be Doing

  • Developing scalable backend services in Java and/or Kotlin
  • Building and deploying containerised apps with Kubernetes & Docker
  • Working with MongoDB and Databricks for data processing and analytics
  • Collaborating on system design and integration with relational databases
  • Engaging directly with stakeholders and tech leads in a fast-moving project

Required Experience

  • 2+ years backend development in Java and/or Kotlin within financial systems
  • Strong knowledge of Kubernetes, Docker & MongoDB
  • Hands-on with Databricks and exposure to relational DBs
  • Familiarity with CI/CD, Git, unit testing, and debugging
  • Strong communication and problem-solving skills

If you're a backend engineer with financial experience and ready to hit the ground running, let's talk. Drop me a message or apply directly—interviews are moving quickly.

Position: Backend Programmer

Type: Contract

Location: London (Hybrid)

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