Full Stack Java Architect jobs in Westminster

Valcon

Full-Stack Engineer (Java / AWS / Angular) – UK Valcon is a north-western European consulting, technology, and data company with offices in the UK, the Netherlands, Denmark, Sweden, and Croatia. We are private-equity backed and one of the fastest-growing consultancies in Europe, bringing together so

Job Summary We are seeking a highly skilled Full Stack Developer with strong experience in Java, Spring Boot, Kafka, and API Management platforms (Apigee) to build and support scalable, secure, and high-performance applications in the payments / banking domain. The ideal candidate will have hands-on

*Role Purpose** Deliver high‑quality Java‑based services and cloud‑hosted solutions on AWS. Contribute to design, development, testing, and optimisation of digital applications while following established engineering standards. Support senior engineers, collaborate with multidisciplinary teams, and

Join us as a Java Full-Stack Developer within the Core Risk team and be involved in the rebuild and migration to new technologies of legacy components. This is a great role for a full-stack developer looking to make an impact, be inquisitive and comfortable in challenging the current set up. To be s

Cognizant

*Role Purpose** Lead the design, development, and optimization of Java‑based services and cloud‑native solutions on AWS. Provide technical leadership, mentor engineers, establish engineering standards, and ensure the delivery of secure, scalable, and maintainable digital services aligned with DDaT e

*Job Description** Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products to revolutionize business decisions and workflow for cloud migration. As a Senior Lead Software Engineer at JPMorganChase within the Infrastruct

iXceed Solutions

*Job Description:** We are looking for a skilled *Java Full Stack Developer** to design, develop, and maintain scalable web applications. The candidate will be responsible for both backend and frontend development, ensuring high performance, responsiveness, and seamless user experience. The role req

Infinity Quest

🛠️ Required Skills Backend Strong experience in *Java, Spring Boot, Spring MVC** Experience with microservices architecture Knowledge of REST APIs and web services Frontend Proficiency in *JavaScript, HTML, CSS** Experience with frameworks like *React / Angular / Vue.js** DevOps & Cloud: Experi

Requirements Must have: - Strong architecture and engineering background, with proven experience designing microservice and cloud-based solutions. - Previous hands-on software engineering experience and the ability to engage deeply in technical discussions and solution design. - Experience modernisi

iXceed Solutions

*About Us:** Founded on the grounds of innovation – iXceed Solutions is an ISO certified, leader in Talent and Digital recruitment solutions, serving Fortune 100 companies globally. *🌟 About the Role** We are looking for a *talented Java Full Stack Developer** to join our growing technology team. I

Hexaware Technologies

We are looking for an experienced Java Full Stack Developer with strong expertise in backend and frontend development, cloud infrastructure, and observability tools. The ideal candidate should have hands-on experience in modern application development, deployment, and monitoring, along with exposure

Insight International (UK) Ltd

Role : Java Full Stack Developer (Camunda) Location : London, UK 3 Days Onsite Per Week FTC - 6 Months (Possibility of extensions) Job Description: Full Stack Developer - Java and Angular ~8+ years of exp ~ Responsible for designing, developing, and maintaining full-stack web applications using Java

Hexaware Technologies

We are looking for an experienced Java Full Stack Developer with strong expertise in backend and frontend development, cloud infrastructure, and observability tools. The ideal candidate should have hands-on experience in modern application development, deployment, and monitoring, along with exposure

Grid Dynamics

We are looking for a Senior Full-Stack Engineer to join our global Investment Banking client. You will be responsible for the development and overall implementation of AI-enabled web applications in a complex, critical and large cross-departmental and multi-disciplinary area. The role is part of a m

Recruiting a Technical Solution Architect to support major transformation work across organisations digital health platform roadmap. The team needs a technology-agnostic, Azure-centred solution architect who can design, assure, and guide the build of new healthcare-aligned digital products over the

Virtusa

The Senior Engineer will be responsible for the development and overall implementation of software in a complex critical and large cross-departmental and multi-disciplinary area. The role is part of a multi-year transformation journey that will require a successful candidate to establish best practi

Job Description Hiring: Full Stack Architect – ETRM Transformation Program We are looking for an experienced Full Stack Architect to join a strategic transformation initiative within the Downstream & Renewables / Trading & Supply portfolio for our client This is a high-impact architecture role engag

Job Description Java Full Stack Engineer - Consultant / Senior Consultant Location: UK (Hybrid Remote with client site travel) Salary: £45,000 - £75,000 + Benefits Security Clearance: SC cleared/eligible Hybrid working | UK-wide Help transform public services through modern engineering. We're su

Recruiting a Technical Solution Architect to support major transformation work across organisations digital health platform roadmap. The team needs a technology-agnostic, Azure-centred solution architect who can design, assure, and guide the build of new healthcare-aligned digital products over the

Confidential

Job Description Software Engineer (Java/Full Stack) | Contract-to-Perm | London Location: Liverpool Street, London (Hybrid - 2-3 days onsite) Rate: £550 per day (Inside IR35) Type: Contract-to-Permanent Start Date: Early to Mid-April 2026 The Opportunity We are looking for a versatile Software Engin