About this role
Salary: £58,000 - 98,000 per year
Requirements: At least five years of software development experience using JavaExperience with Spring Boot and microservicesExperience with messaging systems, ideally Kafka and another technology such as RabbitMQ or IBM MQExperience integrating APIs using REST and GraphQLKnowledge of relational and non-relational databasesExperience developing systems using agile methodologiesStrong analytical and logical reasoning skillsA proactive approach and the ability to learn quicklyA completed bachelors degree in systems engineering, computer engineering, mathematics, physics, economics, business administration, or a related disciplineDesirable experience: knowledge of UK or international payment standards, including ISO 20022, SWIFT, and MX messagingDesirable experience: experience with Docker and KubernetesDesirable experience: knowledge of AWS or another cloud platformDesirable experience: experience with performance-testing tools such as Gatling or JMeterDesirable experience: familiarity with Jira and ConfluenceDesirable experience: DevOps and continuous-integration experience using tools such as Gradle, GitHub Actions, and Sonar Responsibilities: Developing and maintaining payment systems and platform servicesBuilding microservices, middleware applications, orchestrators, and automated testsIntegrating systems through APIs and messaging technologiesProviding technical guidance and promoting software engineering best practicesOverseeing application monitoring and supporting production implementationsProviding third-line support for complex application issuesImproving application performance, observability, and resilienceWorking proactively within an agile development environment Technologies: AWSCloudConfluenceDevOpsDockerGitHubGradleGraphQLIBMSupportJIRAJavaJMeterKafkaKubernetesRESTRabbitMQSpringSpring BootSwiftmicroservicesBackendSonar More:
We are part of a dynamic ecosystem of companies including VASS, NATEEVO, Serbatic, vdSHOP, T4S, Comunytek, ECENTA, and CRI group, with over 4,000 talented people driven by excellence and innovation. Through the E4 Agile Method, we support large enterprises in their digital transformation journey from strategy to operation. We are committed to social impact through the VASS Foundation, established in 2019 to support research and training in digital talent, and we allocate 2% of our profits while encouraging our team to dedicate 1% of their time to solidarity actions. We are hiring a Senior Java Software Engineer on an initial six-month contractor basis to help develop and support modern payment-processing systems using Java, Spring Boot, and microservices.
last updated 38 week of 2026