Job Title: Java Full-stack Developer Location: Farnborough Salary/Rate: Up to £445 per day (Inside IR35) Start Date: November 2025 Job Type: 6-month contract Company Introduction We are looking for a Java Full stack Developer with extensive experience in Kubernetes, Spring Boot & Java versions 11 or 17 to join our global client in the finance industry. Job Responsibilities/Objectives As a Full Stack Engineer on the Core Payments Backend team, you will be responsible for continuing the modernisation of our clients application. Analyse, design, program, test, and deploy new user stories and epics with high quality (security, reliability, operations) to production Tends to Associate Application Engineers by providing learning tasks as well as work related tasks, directs the work of Senior Associate Application Engineers, and helps them continue to grow Achieves team commitments (and influence others to do the same) by using informal leadership & highly developed communication skills Has an oversight on design decisions and guides team to achieve key results for products assigned to them Remediates issues using engineering principles and creates proactive design solutions for potential failures Contributes to and potentially leads technology communities for the client This group follows the Agile methodology and works in 2 weeks sprints, each engineer is responsible for writing their own test scripts to achieve full automation Required Skills/Experience The ideal candidate will have the following: Java version 11 or 17, Spring Boot, & Kubernetes Linux, VMware, Openshift, AWS CI/CD Pipelines via Jenkins, Github Actions, Chef, Ansible, Nexus Testing of Database technologies (Postgres or similar) Full end to end quality tool-set Junit, Cucumber, Jmeter or similar performance testing tool Experience with caching technology Kafka or similar streaming technology If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.