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Java Backend Developer

Job in Ipswich, Suffolk County, IP1, England, UK
Listing for: Fruition Group
Part Time position
Listed on 2026-10-12
Job specializations:
  • Software Development
    Backend Developer, Java Developer, Blockchain / Web3
Salary/Wage Range or Industry Benchmark: 85000 - 100000 GBP Yearly GBP 85000.00 100000.00 YEAR
Job Description & How to Apply Below
Back-End Developer (Java) London / Ipswich - Hybrid (2-3 Days a Week In Office) Permanent £85k - £100k + Bonus

We're working with an innovative financial technology business building blockchain and Distributed Ledger Technology (DLT) solutions for financial services.

They're looking for a Back End Developer with strong Java experience to join the team and help build secure, scalable backend systems supporting their DLT platforms.

The Role You’ll be responsible for:
  • Developing backend services and APIs using Java
  • Building and integrating REST APIs and microservices
  • Working with architects on blockchain/DLT integrations
  • Designing databases, migrations and optimising queries
  • Building scalable, secure and high-performance systems
  • Working with Docker, Kubernetes and CI/CD
  • Troubleshooting complex backend and integration issues
  • Producing clear technical documentation
  • Collaborating with engineering, architecture and product teams
What We’re Looking For
  • Strong commercial Java backend development experience
  • Solid experience with REST APIs and microservices
  • Database development and query optimisation experience
  • Understanding of backend security
  • Hands-on experience with Docker and Kubernetes
  • Strong problem-solving and communication skills
Desirable Experience with any of the following would be a bonus:
  • Blockchain / DLT - particularly Hyperledger, Corda or Ethereum
  • Web3j or other blockchain integration libraries
  • Financial services / capital markets
  • Kafka or RabbitMQ
  • Camunda or Activiti
  • Event-driven architectures and Dev Ops practices

A great opportunity for a Java backend engineer looking to work on complex distributed systems and gain exposure to real-world DLT applications within financial services.

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