Backend Developer (Contract)
Start Date: ASAP
Contract Length: 12 months
Rate: Up to £522 per day inside IR35.
Location: Mostly remote, with occasional travel to Croydon
Clearance: SC Clearance (existing clearance preferred but not essential)
About the Role
We're looking for an experienced Backend Developer to join a high-impact project delivering scalable, reliable backend services. You'll work with modern Java-based technologies in a collaborative, delivery-focused environment, contributing to systems that are critical, secure, and built to scale.
This is a contract role offering long-term stability, flexibility through remote working, and the opportunity to work on meaningful, production-grade systems.
Key Responsibilities
Design, build, and maintain robust backend services using Java
Develop and integrate event-driven systems using Kafka
Build and consume REST APIs to support internal and external services
Collaborate closely with product owners, architects, and other engineers
Write clean, maintainable, and well-tested code
Support system performance, scalability, and reliability
Contribute to code reviews and best-practice engineering standards
Must-Have Skills
Strong commercial experience with Java
Hands-on experience with Kafka in production environments
Experience building and consuming RESTful APIs
Solid understanding of backend engineering principles
Nice-to-Have Skills
Spring ecosystem (Spring Framework, Spring Boot, Spring Data)
Postgres or other relational databases
OpenSearch / Elasticsearch
Node.js
Wiremock or other API mocking/testing tools
Experience working in cloud-based or distributed systems
All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first instance. We thank you for your interest and the time taken to apply