java architect jobs in London

Job Location: London, UK (4 days per week from office) Job Type : Contract (6 months ) / 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,...

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, and migration of enterprise Java applications. This role requires a strong...

Solirius Reply is seeking a Principal Engineer specializing in Java to lead technical teams and drive innovation. This role involves working across the full software lifecycle, engaging with clients, and shaping cutting-edge solutions.Ideal candidates should possess strong leadership skills and substantial experience in Java engineering, advocating for best...

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, and security controls to identify...

Vertus Partners seeks a lead engineer to drive architecture and technology transformation within a large financial services environment. You will influence technical direction and work on platforms that support high-volume, business-critical services.This role sits at the intersection of architecture and software engineering, shaping standards and elevating...

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 applications. This role requires a strong technical leader who can define...

Solirius Reply, part of the Reply Group, is a technology consultancy and digital transformation partner that helps organisations solve complex challenges through strategy, design, engineering, and delivery. We embed into client teams to understand goals and translate them into effective outcomes while delivering secure, accessible, user-focused services.You...

Our client is in the Insurance sector and is looking to grow their team with a Java Solution Architect. This is a hybrid role with 1-2 days a week in London.Client DetailsOur client is in the Insurance sector and is looking to grow their team with a Java Solution Architect. This is a hybrid role with 1-2 days a week in London.DescriptionDesign and develop...

Our client is in the Insurance sector and is looking to grow their team with a Java Solution Architect. This is a hybrid role with 1-2 days a week in London. Client Details Our client is in the Insurance sector and is looking to grow their team with a Java Solution Architect. This is a hybrid role with 1-2 days a week in London. Description Design and...

Job DescriptionSenior Java Architect | Banking, Payments & AI EngineeringLocation: London (Hybrid)Role Type: ContractRate: 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 and payments platforms with a focus on cross-border...

Our client is in the Insurance sector and is looking to grow their team with a Java Solution Architect. This is a hybrid role with 1-2 days a week in London.Our client is in the Insurance sector and is looking to grow their team with a Java Solution Architect. This is a hybrid role with 1-2 days a week in London.Client DetailsOur client is in the Insurance...

Citigroup Inc. in London’s technology division is seeking a senior Low Latency Java Engineer to design, implement and optimise high-performance trading systems.You will work on microservices-based architectures with Java, C++, and Rust, focusing on ultra-fast response times and scalable data handling. Join a specialist team that delivers cutting-edge...

Energy Jobline ZR in London (Hybrid) seeks a Senior Java Architect to lead the design and delivery of enterprise-grade banking and payments platforms. You will provide technical leadership to offshore teams and define microservices and event-driven architectures for cross-border solutions.The role requires strong Java/Spring Boot experience within...

Falcon Smart IT seeks an experienced Java Engineering Architect in London to lead enterprise-scale banking and payments platforms. The role centers on payments mastery, platform design and AI-enabled engineering within cloud-native, Kubernetes-based environments.You will guide real-time processing, messaging, and API architectures while mentoring teams and...

Job DescriptionApp Modernization experience with strong AWS background is a must," they are typically looking for candidates who have:Led migration of legacy Java applications to AWS?Hands-on experience with Java, Spring Boot, Microservices, and TypeScript?Strong AWS architecture and implementation experience?Experience withEKS/ECS, Lambda, API Gateway, S3,...

Citi FX eTrading is seeking a Vice President level Java Developer to contribute to the design and implementation of low-latency FX trading systems. You will work with cross-functional teams across FX Trading Technology to deliver robust, scalable software in a fast-paced environment.The role emphasizes hands-on coding, architectural design, and collaboration...

Taking care of our customers, our communities and each other. By honoring this commitment, we have maintained our reputation as one of the best property casualty insurers in the industry for over 170 years. Join us to discover a culture that is rooted in innovation and thrives on collaboration. Join our innovative team of Architects at the forefront of a...

Team Creation Limited is seeking a Senior Java Developer to join our Core Platform Team, building and maintaining scalable backend infrastructure for our back-office system. You will architect backend services powering games, player management, reporting tools, and third-party integrations, in collaboration with Product Owners, Frontend, DevOps, and QA.As a...

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 with hybrid...

Jobs for Humanity is partnering with FIS Global to build an inclusive and just employment ecosystem. Therefore, we prioritize individuals coming from the following communities: Refugee, Neurodivergent, Single Parent, Blind or Low Vision, Deaf or Hard of Hearing, Black, Hispanic, Asian, Military Veterans, the Elderly, the LGBTQ, and Justice Impacted...