Java Backend Developer

Fruition Group; Ipswich; Hybrid; GBP 85,000 - 100,000; Full time

Job summary

Fruition Group is seeking a Back-End Developer (Java) to join their hybrid team in London / Ipswich. The role focuses on building secure, scalable backend systems for a fintech DLT environment.

You will develop backend services using Java, design databases, and work with Docker, Kubernetes and CI/CD to deliver robust APIs and microservices. The ideal candidate has strong Java backend experience, expertise in REST APIs and microservices, and a solid understanding of backend security.

Qualifications

• 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.

Responsibilities

• 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.

Skills

Java backend development

REST APIs

Microservices

Database design

Backend security

Docker

Kubernetes

CI/CD

Problem solving

Communication

Tools

Docker

Kubernetes

CI/CD

Job description

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 DevOps 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.