https://jobs.co.uk/job/senior-java-engineer-payments-randstad-technologies-recruitment--2e86a6c5-8e3d-4239-bf62-d4320aadf6bd RSS feed for Senior Java Engineer (Payments) at Randstad Technologies Recruitment. en-gb Fri, 24 Apr 2026 16:07:31 GMT https://jobs.co.uk/job/senior-java-engineer-payments-randstad-technologies-recruitment--2e86a6c5-8e3d-4239-bf62-d4320aadf6bd https://jobs.co.uk/job/senior-java-engineer-payments-randstad-technologies-recruitment--2e86a6c5-8e3d-4239-bf62-d4320aadf6bd Mon, 20 Apr 2026 23:00:00 GMT Location: City of London | Salary: £400 - £500/day | Type: Contract | Java Engineer - Payments / IFT London - 2 days in the office 6 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 Skills 5 + 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 sc... Contract