https://jobs.co.uk/job/senior-java-engineer-payments-randstad-technologies--ca9051fa-f72a-458a-803c-9086cfc3331d RSS feed for Senior Java Engineer (Payments) at Randstad Technologies. en-gb Sun, 26 Apr 2026 01:31:28 GMT https://jobs.co.uk/job/senior-java-engineer-payments-randstad-technologies--ca9051fa-f72a-458a-803c-9086cfc3331d https://jobs.co.uk/job/senior-java-engineer-payments-randstad-technologies--ca9051fa-f72a-458a-803c-9086cfc3331d Sat, 25 Apr 2026 11:55:39 GMT Location: London | Salary: 400.00-400.00 Daily | Type: Contract | Java Engineer - Payments / IFT London - 2 days in the office6 Months Contract Inside IR35£500 a day A top tier consultancy firm is looking for an experienced Java Engineer with a background in payments to contribute to a large payment modernisation programme. You will be instrumental in deploying the Icon Payments Framework (IPF)-the revolutionary low-code orchestrator that is currently transforming a lot of major top UK financial institutions. You will support a major banking client as they move away from restrictive legacy "black-box" engines toward a flexible, cloud-native architecture. Your focus will be on delivering high-availability systems capable of handling millions of requests while ensuring strict compliance with ISO 20022 standards.Essential Skills5 + years of hands on experience in a Java11 and spring boot 5 + Years in Java Engineering.Proven track record delivering large-scale systems for major banking clients.Minimum of 3 years'' hands-on experience specifically with ICON IPF (Instant Payments Framework).Extensive experience architecting in AWS and using Apache Kafka for asynchronous messaging.Expert knowledge of ISO 20022 and schemes such as FPS, SEPA, or SWIFT.Lon... Contract