https://jobs.co.uk/jobs-results?Keyword=Senior%20Java%20Engineer&RadiusMiles=10 RSS feed for Senior Java Engineer Jobs. en-gb Sun, 10 May 2026 09:54:30 GMT https://jobs.co.uk/job/senior-java-engineer-capco--76366cdf-2aed-4618-b456-11eb47b54747 https://jobs.co.uk/job/senior-java-engineer-capco--76366cdf-2aed-4618-b456-11eb47b54747 Sat, 09 May 2026 11:55:00 GMT Location: London | Salary: 10000-500000 Annual | Type: Permanent | Senior Backend Engineer - JavaLocation: London (Hybrid) | Practice Area: Technology andamp; Engineering Type: Permanent Power the platforms behind modern finance. Shape cloud-native solutions with Java at their core. The RoleWe''re seeking a Senior Backend Engineer (Java) to join our Technology andamp; Engineering team. You''ll bring expertise in building robust, scalable, cloud-native applications using Java, Spring Boot, and AWS. Working on high-impact platforms for Tier 1 financial institutions, you''ll lead Back End design, champion agile best practices, and contribute to the evolution of modern banking technology. What You''ll Do Design and build microservices-based applications using Java 11+ and Spring Boot Deliver enterprise-ready cloud solutions, with a focus on AWS infrastructure and services Build and manage robust CI/CD pipelines and ensure secure, scalable deployments Write comprehensive tests and implement quality-driven development across the stack Collaborate in agile teams and contribute to design decisions, troubleshooting, and continuous improvement What We''re Looking For Expert-level Java development (Java 11, 17, 21+), Spring Boot proficiency D... Permanent https://jobs.co.uk/job/senior-java-engineer-payments-randstad-technologies--de3ab890-ae3c-437e-9ea7-3a8e17abca30 https://jobs.co.uk/job/senior-java-engineer-payments-randstad-technologies--de3ab890-ae3c-437e-9ea7-3a8e17abca30 Fri, 01 May 2026 11:52:10 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 https://jobs.co.uk/job/senior-java-engineer-payments-randstad-technologies-recruitment--bc7bf059-4840-4659-bce5-526c0567a5c0 https://jobs.co.uk/job/senior-java-engineer-payments-randstad-technologies-recruitment--bc7bf059-4840-4659-bce5-526c0567a5c0 Thu, 23 Apr 2026 11:52:39 GMT Location: City | Salary: 400.00-400.00 Daily | 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 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... Contract 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