Senior Java Developer - Payments
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Summary
Six-month contractor role in Central London building and supporting payment-processing systems with Java, Spring Boot, and microservices. Day to day: developing services and middleware, integrating via REST/GraphQL and messaging (Kafka, RabbitMQ/IBM MQ), plus production support and technical guidance.
Salary: £58,000 - 98,000 per year Requirements: 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 abil…