java architect jobs in London

JUXT is seeking Java developers for long-term greenfield projects with a leading financial institution in London. You will work in small, high-calibre teams delivering strategic rebuilds, replacing legacy systems with cloud-aligned Java solutions.Roles span from senior to principal in a culture that values craftsmanship and end-to-end ownership. Projects are...

Salary: £100,000 - 120,000 per year Requirements: Java, J2EE Spring / Spring Boot Agentic development experience Camunda n8n Hands-on Solution Architect experience Claude AWS Kubernetes / Docker Responsibilities: Design and develop scalable and efficient Java-based solutions to address complex business challenges. Collaborate with cross-functional teams...

Infosys in the United Kingdom seeks an experienced Platform Architect to define and drive the long-term technical vision for an on-premise back-office platform. You will partner with Engineering, Enterprise Architecture and Security to deliver multi-year initiatives and ensure stability and scalability.Responsibilities include designing architecture...

OverviewSanderson London Area, United Kingdom (Hybrid)Global Insurance Consultancy | Market Leader in Operations & SolutionsWe are partnering with a global insurance consultancy and recognised market leader in operations and solutions, continuing to expand across the UK and wider EMEA region. As part of this growth, the organisation is seeking an experienced...

NCONS Talent Solutions is hiring an AWS Technology Lead to transform a Java monolith into an AWS-native solution. The role is London-based (Holborn), hybrid, permanent/contract, with 12–15+ years experience context.You will design target architecture, code and review, and guide the engineering team and client conversations from start to finish, leveraging...

Infosys in Crawley, London, seeks an experienced Platform Architect to define and drive the long-term technical vision for a critical on-premise back-office platform. You will lead architecture across multiple engineering teams, emphasizing Progress OpenEdge and Java-based applications, platform standardization, security, and long-term sustainability.You...

OverviewSanderson London Area, United Kingdom (Hybrid)Global Insurance Consultancy | Market Leader in Operations & SolutionsWe are partnering with a global insurance consultancy and recognised market leader in operations and solutions, continuing to expand across the UK and wider EMEA region. As part of this growth, the organisation is seeking an experienced...

Infosys in the United Kingdom seeks an experienced Platform Architect to define and drive the long-term technical vision for an on-premise back-office platform. You will partner with Engineering, Enterprise Architecture and Security to deliver multi-year initiatives and ensure stability and scalability.Responsibilities include designing architecture...

CreateFuture in the UK is seeking a Senior Backend Java Engineer to shape scalable backend systems. You will design, implement and own middleware using Java 8+ and Spring, while guiding teammates, setting technical direction and delivering high-value client solutions.You will work across AWS, microservices and secure APIs, with emphasis on automation,...

NCONS Talent Solutions is hiring an AWS Technology Lead to transform a Java monolith into an AWS-native solution. The role is London-based (Holborn), hybrid, permanent/contract, with 12–15+ years experience context.You will design target architecture, code and review, and guide the engineering team and client conversations from start to finish, leveraging...

CreateFuture, an AI-native consulting partner, is seeking a Senior Fullstack Engineer to shape technical direction, mentor teams and embed AI into delivery. You’ll design scalable backend in Java/Spring and frontend in React, building APIs and microservices that power business outcomes.You’ll collaborate with clients across industries, champion quality,...

Infosys in Crawley, London, seeks an experienced Platform Architect to define and drive the long-term technical vision for a critical on-premise back-office platform. You will lead architecture across multiple engineering teams, emphasizing Progress OpenEdge and Java-based applications, platform standardization, security, and long-term sustainability.You...

CreateFuture in the UK is seeking a Senior Backend Java Engineer to shape scalable backend systems. You will design, implement and own middleware using Java 8+ and Spring, while guiding teammates, setting technical direction and delivering high-value client solutions.You will work across AWS, microservices and secure APIs, with emphasis on automation,...

Job descriptiongravity9 is recruiting Java engineers and architects for a portfolio of engagements across UK central government. These are large-scale, data-intensive modernisation programmes: replacing legacy systems that carry statutory weight, decomposing monoliths that serve millions of users, and building secure data platforms where access control and...

Technology: Progress OpenEdge, Java, Platform ArchitectureLocation: Crawley, LondonRole SummaryWe are seeking an experienced Platform Architect to define and drive the long-term technical vision, architecture, and strategy for a business-critical on-premise back-office platform. This role will provide strategic technical leadership across multiple...

We are hiring across two overlapping profiles — Senior Java Developer and Application / Migration Architect — and expect most people to move between programmes as engagements start and complete. Several of these are hands-on architect roles: you will own design decisions and also write production code

Thomson Keene in London is seeking a senior Java Technical Lead to shape and deliver a scalable Data Lake platform within Wholesale Data Technology. You will lead development, ownership of architecture, and mentor a small engineering team while coding.The role combines hands-on engineering with strategic leadership, supporting future AI and data-driven...

Technology: Progress OpenEdge, Java, Platform ArchitectureLocation: Crawley, LondonRole SummaryWe are seeking an experienced Platform Architect to define and drive the long-term technical vision, architecture, and strategy for a business-critical on-premise back-office platform. This role will provide strategic technical leadership across multiple...

Luxoft Germany is seeking an experienced technical lead to join an Agile team rewriting an enterprise platform using Angular, Java, and Spring. You will design architecture, mentor developers, and deliver scalable solutions.This role focuses on leadership, code quality, performance tuning, and close collaboration with product, QA, and DevOps to ensure...

Job Title: Java Developer Rate: £475 - £525 per day inside ir35 Location: Remote Contract: 6 months rolling SC Cleared We're looking for an experienced Java Developer to join a remote development team working on a Home Office project, building and enhancing secure, scalable Java applications and services. You'll work across Java, Spring Boot, REST...