Senior Java Developer
Location: London - Hybrid (2 days per week on-site)
Day Rate: Market Rate (Inside IR35)
Duration: 6 Months
Role Overview
We are seeking a highly skilled Senior Java Developer to join a key digital transformation initiative for one of the UK’s leading retailers. This role plays a pivotal part in designing and delivering innovative, scalable, and resilient solutions that directly enhance customer experience. You will work with modern engineering practices and cutting-edge technologies—including microservices, event-driven architectures, and cloud platforms—to build high-performance systems in a fast-paced environment.
Key Responsibilities
* Develop, enhance, and maintain backend services using Java, Spring Boot, and Spring Security.
* Design and implement microservices and event-driven architectures using Confluent Kafka.
* Build, maintain, and optimize CI/CD pipelines using GitHub Actions, Jenkins, and shell scripting.
* Write and execute unit, integration, and performance tests using Mockito, Gatling, and JMeter.
* Monitor system performance, troubleshoot issues, and ensure reliability using New Relic and Grafana.
* Collaborate with cross-functional teams to deliver high-quality solutions aligned with business objectives.
* Contribute to best practices in coding, security, and system design.
Essential Skills and Experience
* Strong proficiency in Java and Spring Boot.
* Hands-on experience with microservices architectures and Kafka.
* Solid understanding of CI/CD processes and tools such as Jenkins and GitHub Actions.
* Experience working with PostgreSQL and MongoDB databases.
* Strong communication skills and ability to work effectively in a fast-paced, agile environment.
Desirable Skills and Experience
* Exposure to AWS cloud services or AI technologies.
* Knowledge of performance testing tools such as Gatling and JMeter.
* Familiarity with monitoring platforms including New Relic and Grafana.
* Experience writing shell scripts for automation.
* Understanding of secure coding practices and Spring Security.