1 to 25 of 28 Permanent Java Architect Jobs in London

Senior Java Architect - Payments Location: London (Hybrid) Contract: 6 Months Initial Pay Rate: £550-£600 - Outside IR35 About the Role We're supporting a global financial services organisation undergoing a significant banking transformation programme. As part of this journey, they are building next-generation banking capabilities and modernising … core platforms that support cross-border payments, settlement, reconciliation, and banking operations. We are seeking an experienced Java Engineering Architect to provide technical leadership across backend engineering, architecture, and delivery. This role will play a key part in shaping modern banking platforms built on cloud-native technologies, microservices ...

Lead Technical Architect Java AWS Agentic AI, the work centres on leading Technical Architect (Java AWS Agentic AI) London. It would suit someone who can bring careful technical judgement and practical problem-solving to the role. How the role is set up The platform enables easier … bank account. Design on large, complex, cloud based distributed systems, ensuring best practice and a cohesive structure. Technical work involved Leading Technical Architect (Java AWS Agentic AI) London. As the Lead Technical Architect you will collaborate with Team Leads across the business to support them with technical ...

Senior Java Architect | Banking, Payments & AI Engineering Location: London (Hybrid) Role Type: Contract Rate: Up to £600 a day (Outside IR35) We're seeking an experienced Java Architect to play a key role in a major banking transformation programme, helping to deliver enterprise-scale banking … work at the intersection of modern architecture, payments technology, cloud-native engineering and AI-assisted software delivery. The Role Working closely with the Lead Architect, you'll drive the design and delivery of scalable, secure and resilient backend platforms while providing technical leadership to offshore development teams. Key responsibilities ...

Java Software Architect 3-5 Month contract - Inside IR35 - up to £620 per day London based - hybrid working - 1 day a week onsite Insurance sector Java Software Architect Role Overview We are seeking a hands-on Java Software Architect to lead the assessment, modernisation … migration of enterprise Java applications. This role requires a strong technical leader who can define and execute modernisation strategies, address platform compatibility challenges, and leverage AI-assisted engineering practices to accelerate application assessment, code remediation, testing, and delivery. The role involves providing technical leadership, guiding development teams, managing technical ...

Java Technical Architect – Spring, Hibernate, SQL, Web Get BankingQuant Capital is urgently looking for a Java Technical Architect to join our high profile client. Our client is a well known financial software house within the wealth management and trading platform space. The Java Technical Architect … boxes. We expect candidates to be true technologists happy to show off their skills and evangelize. On a day to day basis the Java Technical Architect will: Systems analysis and designApplication program design and developmentData conversion and implementationImplementation of new functionality within a greenfield product set. This role ...

Java Technical Architect – Spring, Hibernate, SQL, Web Get BankingQuant Capital is urgently looking for a Java Technical Architect to join our high profile client.Our client is a well known financial software house within the wealth management and trading platform space.The Java Technical Architect will … ticks in boxes. We expect candidates to be true technologists happy to show off their skills and evangelize.On a day to day basis the Java Technical Architect will:Systems analysis and designApplication program design and developmentData conversion and implementationImplementation of new functionality within a greenfield product set.This role ...

Lead Technical Architect (Java AWS Agentic AI) London/WFH to 130kDo you have experience of architecting and leading the modernisation of Payments, FX or Core Banking platforms You could be progressing your career in an impactful role at a scale-up Tech for Good software house.The platform … charities, the UN and UNICEF to get money to remote communities where it is needed most using sophisticated technology.Your role:As the Lead Technical Architect you will collaborate with Team Leads across the business to support them with technical architecture and design on large, complex, cloud based distributed systems ...

Java Software Architect 3-5 Month contract - Inside IR35 - up to £620 per day London based - hybrid working - 1 day a week onsite Insurance sector Role Overview We are seeking a hands-on Java Software Architect to lead the assessment, modernisation, and migration of enterprise Java … risks, and supporting project planning and implementation from both architectural and engineering perspectives. Key Responsibilities Lead architecture assessment, modernisation planning, and migration of enterprise Java applications. Define and drive the technical architecture and implementation approach for complex Java-based enterprise applications. Assess application dependencies, frameworks, integrations, infrastructure components ...

Integration Architect/Senior Integration Architect - JAVA/AWS (ESSENTIAL) £600 Pay - Outside IR35 - 4 Days per week on site in London Bridge 6 month initial contract We've partnered with a genuinely exciting organisation who are building a greenfield Bank, as part of this they … implementing a whole host of new platforms and technologies and are looking a genuine, pure senior Integration Architect define and deliver integration architecture across Accounts, Payments, and FX. The role focuses on evolving the target integration model and ensuring seamless connectivity across the clients core systems. Key Responsibilities ...

Role: Senior Java ArchitectJob Location: London, UK (4 days per week from office)Job Type : Contract (6 months )/PermanentRole SummarySenior Java Engineering Architect | Banking, Payments & AI EngineeringSeeking an experienced Java Engineering Architect to lead the design and delivery of enterprise-scale banking and payments … stakeholders.Required Skills & ExperienceMin 15+ years in software engineering, including 8+ years in Architecture or Led Engineering roles.Strong experience delivering banking and payment solutions.Expert in Java, Spring Boot, Spring Cloud, and Microservices.Deep knowledge of Kafka, NATS, event streaming, API architecture, and integration patterns.Hands-on expertise with Oracle, PostgreSQL, data modelling ...

Solution Architect/Senior Solution Architect/Technical Solution Architect - Java/Kafka - Hands on £600 Pay - Outside IR35 - 4 Days per week on site in London Bridge 6 month initial contract We've partnered with a genuinely exciting organisation who are building a greenfield Bank … they are implementing a whole host of new platforms and technologies. For this role, we're looking for a hands on/technical Solution Architect with Java and Kafka to drive forward the end-to-end architecture for s RTL & Payments Transformation, ensuring cohesive design across Payments, Reconciliation ...

Solution Architect – Fintech50 .NET, Java, AWSQuant Capital is urgently looking for a Technical/Enterprise Architect to join our high profile client.Our client is a recently acquired financial technology business who is currently taking the factoring and invoicing market by storm. This is a brand new project … platform and CRM system from scratch. They are also looking to acquire new businesses and smooth out a set of disparate systems. The Solution Architect will play a major part in new international platform being created. As a key part of the system design and development team you will ...

Solution Architect – Fintech50 .NET, Java, AWSQuant Capital is urgently looking for a Technical/Enterprise Architect to join our high profile client.Our client is a recently acquired financial technology business who is currently taking the factoring and invoicing market by storm. This is a brand new project … platform and CRM system from scratch. They are also looking to acquire new businesses and smooth out a set of disparate systems. The Solution Architect will play a major part in new international platform being created. As a key part of the system design and development team you will ...

Architect high-volume payment platforms covering real-time payments, SWIFT, ISO 20022, settlement, reconciliation, and compliance. Design event-driven and messaging architectures using Kafka, NATS, and microservices. Drive AI-led software engineering using tools such as GitHub Copilot, Claude Code, Cursor, and LLM-based development frameworks. Lead cloud-native … platform design using Kubernetes, Docker, and modern DevOps practices. Manage and mentor engineering teams, define technology roadmaps, and engage with senior stakeholders. Key Responsibilities Architect high-volume payment platforms covering real-time payments, SWIFT, ISO 20022, settlement, reconciliation, and compliance. Design event-driven and messaging architectures using Kafka, NATS ...

Sanderson is looking for a Senior Java Architect - Payments in London (Hybrid) to lead backend architecture for a global payments transformation project, building cloud-native platforms that support cross-border payments, settlement, reconciliation, and banking operations. You will partner with Lead Architect, guide offshore teams, and design ...

Falcon Smart IT Limited is hiring a Senior Java Architect to lead design and delivery of enterprise-scale banking and payments platforms in London. The role requires deep expertise in payments, messaging architectures, cloud-native platforms, AI-driven engineering, and enterprise solution architecture. You will architect real ...

London, UK (4 days office in a week) Permanent Role Summary: Seeking an experienced Java Engineering Architect to lead the design and delivery of enterprise-scale banking and payments platforms. The role requires deep expertise in payments, banking operations, messaging architectures, cloud-native platforms, AI-driven engineering … enterprise solution architecture. Key Responsibilities: Architect high-volume payment platforms covering real-time payments, SWIFT, ISO 20022, settlement, reconciliation, and compliance. Design event-driven and messaging architectures using Kafka, NATS, and microservices. Drive AI-led software engineering using tools such as GitHub Copilot, Claude Code, Cursor, and LLM-based ...

diversity and innovation, LSEG is a place where everyone can grow, develop and fulfil your potential with meaningful careers!!ROLE SUMMARY:As the Application Architect you will work with the Solution Architect of World-Check One - Risk Engineering. Risk Engineering and be responsible for the development of critical … NoSQL solutions.Experience with MySQL, Postgres, MongoDB, Elasticsearch and other relational databasesIn-depth understanding of HTTP and REST API design, management, and consumptionVery strong Java skills and experienced with Python, Spring Boot, Node js and JavaScriptUnderstanding of use of AI as a tool and within applicationsExperience implementing Enterprise Integration Patterns.Experience ...

Luxoft Financial Services is seeking a skilled Java developer to upgrade and modernize core applications for large financial institutions. The role focuses on Spring Boot migrations, distributed systems modernization, and resilient microservice design. You will work with Kafka-based integrations, cloud-enabled architectures, and collaborate across QA, DevOps … architecture teams to ensure high performance and security. Strong Java and tooling experience is essential for success. #J-18808-Ljbffr ...

Advanced Resource Managers Ltd. is seeking a hands-on Java Software Architect to lead assessment, modernisation, and migration of enterprise Java applications. The role focuses on defining architecture, guiding teams, and addressing platform compatibility while leveraging AI-assisted practices to accelerate delivery. The position is London-based ...

W3Global is seeking a senior software architect to own the design of high-volume payment platforms and real-time payments solutions in Greater London. You will lead event-driven architectures, drive AI-assisted software development, and oversee cloud-native platform design while mentoring engineering teams and aligning with senior … stakeholders. The role demands extensive banking and payments domain expertise, strong Java/Spring tech, and a proven track record in large-scale modernization #J-18808-Ljbffr ...

Avance Consulting in London, UK is seeking an experienced Java Engineering Architect to lead the design and delivery of enterprise-scale banking and payments platforms. The role requires deep expertise in payments, banking operations, messaging architectures, cloud-native platforms, AI-driven engineering, and enterprise solution architecture. This hybrid ...

JOBS247 INC LTD in London is seeking a Lead Technical Architect to guide Java AWS agentic AI initiatives, bringing strong architectural judgment and hands-on leadership. The role focuses on designing cloud-native, large-scale distributed systems, collaborating with team leads to modernise platforms, and delivering a cohesive ...

them into effective outcomes while delivering secure, accessible, user-focused services. You will join our Software Engineering Practice as a Principal Engineer, specialising in Java, leading technical teams and shaping cutting-edge #J-18808-Ljbffr ...

GlobalLogic in London is seeking an experienced Senior Java Developer to lead the design, development, and deployment of mission-critical applications using Java/JEE, Spring Boot, and microservices. You will build secure REST/gRPC APIs, manage asynchronous inter-service communication, drive CI/CD pipelines with ...