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# Senior Java Developer - Payments

- **Company:** VASS UK&I
- **Location:** London, UK
- **Experience:** Expert
- **Salary:** £58,000.0 - £98,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Amazon Web Services, Application Integration Architecture, Application Performance Management, Systems Engineering, Confluence, JIRA, Automation of Tests, Cloud Computing, Computer Engineering, Continuous Integration, DevOps, Payment Systems, Middleware, Github, Gradle, HP Systems Insight Manager, IBM WebSphere MQ, Apache JMeter, Enterprise Messaging Systems, RabbitMQ, Software Engineering, SONAR (Symantec), Systems Integration, Cloud Platform System, Spring-boot, Gatling, Backend, Kubernetes, Atlassian Tools, ISO 20022 Standard, Apache Kafka, Non-relational Database, Graphql, Docker, Microservices
- **Published:** September 20, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5890530894

## About the Role

* At least five years of software development experience using Java
 * Experience with Spring Boot and microservices
 * Experience with messaging systems, ideally Kafka and another technology such as RabbitMQ or IBM MQ
 * Experience integrating APIs using REST and GraphQL
 * Knowledge of relational and non-relational databases
 * Experience developing systems using agile methodologies
 * Strong analytical and logical reasoning skills
 * A proactive approach and the ability to learn quickly
 * A completed bachelors degree in systems engineering, computer engineering, mathematics, physics, economics, business administration, or a related discipline
 * Desirable experience: knowledge of UK or international payment standards, including ISO 20022, SWIFT, and MX messaging
 * Desirable experience: experience with Docker and Kubernetes
 * Desirable experience: knowledge of AWS or another cloud platform
 * Desirable experience: experience with performance-testing tools such as Gatling or JMeter
 * Desirable experience: familiarity with Jira and Confluence
 * Desirable experience: DevOps and continuous-integration experience using tools such as Gradle, GitHub Actions, and Sonar

## Description

* Developing and maintaining payment systems and platform services
 * Building microservices, middleware applications, orchestrators, and automated tests
 * Integrating systems through APIs and messaging technologies
 * Providing technical guidance and promoting software engineering best practices
 * Overseeing application monitoring and supporting production implementations
 * Providing third-line support for complex application issues
 * Improving application performance, observability, and resilience
 * Working proactively within an agile development environment

Technologies:

 * AWS
 * Cloud
 * Confluence
 * DevOps
 * Docker
 * GitHub
 * Gradle
 * GraphQL
 * IBM
 * Support
 * JIRA
 * Java
 * JMeter
 * Kafka
 * Kubernetes
 * REST
 * RabbitMQ
 * Spring
 * Spring Boot
 * Swift
 * microservices
 * Backend
 * Sonar


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