Senior java software engineer

Job Description

Java Engineer – 6-Month Contract – Hybrid (2 days on site, London) - Day Rate: Up to £700 (Inside IR35)


Join a high-performing engineering team working on large-scale, high-availability systems used by millions. This role offers the chance to build and enhance complex backend services in a modern, cloud-native environment.


What you’ll be doing:

* Designing and developing performant, scalable backend systems using Java (up to Java 21).
* Building microservices with Spring Boot and related frameworks.
* Developing and maintaining RESTful APIs and event-driven systems.
* Writing clean, testable code and following TDD principles.
* Working closely with DevOps, Product, and QA teams to deliver high-quality solutions.
* Deploying and supporting services in AWS with tools such as Lambda, ECS, S3, and CloudFormation.


What we’re looking for:

* Strong experience with Java, Spring Boot, and microservice architecture.
* Proven background working in cloud environments (ideally AWS).
* Familiarity with CI/CD pipelines and automation tools.
* Solid grasp of software testing, TDD, and Agile methodologies.
* Good communication skills and the ability to work collaboratively in a hybrid setup.