java architect jobs in London

Our banking client is looking for an experienced Java / Spring Boot Developer to join their technology team, working on the development and enhancement of business‑critical applications within a fast‑paced financial services environment.You will be responsible for designing, developing and maintaining scalable Java applications and Spring Boot...

Our banking client is looking for an experienced Java / Spring Boot Engineer to join a high-performing technology team, working on the development and enhancement of critical banking applications and services.The successful candidate will have strong experience building scalable, secure and high-performance Java applications, with a focus on Spring Boot,...

ROLE TITLE: Java DeveloperLOCATION: London or Leicester (3 days per week with some week 5 days)CLEARANCE: The ideal candidate will have active SC Clearance or be eligible to undergo SC Clearance.LENGTH: 12 monthsSALARY: £41,000 to £45,000 per annumWe are actively looking to secure a Java Developer to join Experis.Experis Consultancy is a Global entity with...

Job SummaryMid / Senior Java Web EngineerA leading global financial markets infrastructure client is looking to hire a talented Java Engiener on a long term contract in London (City - 3 days onsite pw)The roleJoin a collaborative engineering team building and enhancing a modular, end-to-end trade management platform — hands-on across backend services and...

Alexander Ash Consulting is seeking an experienced Java/Spring Boot Developer for a leading banking client. You will design, develop and maintain scalable Java applications and Spring Boot microservices within a fast‑paced financial services environment.You will collaborate with architects, product owners and other engineering teams to deliver secure,...

At ScaleneWorks People Solutions, we're more than recruiters; we're career architects dedicated to connecting exceptional talent with top-tier opportunities. Backed by industry experts, we priorities relationships, offer global opportunities, and champion your success every step of the way.Ready to shape your future? Explore opportunities with us today.We...

Are you a passionate Java Developer looking to work on large-scale application transformation projects? Join us and play a key role in modernizing critical applications that support one of the UK's most important public sector organizations.About the RoleAs a Java Developer, you will contribute to the refactoring and modernization of key applications for the...

Job Reference: NJ0521Date Posted: 10 September 2026Recruiter: Nexus Jobs LimitedLocation: LondonRemote Working: Some remote working possibleSalary: 55,000 to 65,000Sector: I.T. & CommunicationsJob Type: PermanentWork Hours: Full TimeContact: Jas GujralEmail: : Apply for this job nowJob DescriptionInfrastructure Solutions ArchitectThe primary role of the IT...

About my client My client is building an AI work-execution platform for alternative investment firms and their portfolio companies, securely bringing together proprietary data, external sources and workflows. Backed by a global group of 1,800+ professionals with deep domain expertise, the team is small, senior and high-ownership, with direct access to the...

Sanderson are working with a consulting client who are looking to grow their Data capability. The client is seeking candidates who have experience of Data Architecture and can define Data Strategy. Skills and Responsibilities You will have a strong architecture and software engineering background and be able to contribute to internal data strategy and...

Solutions Architect - Legacy-to-Cloud Migration Inside IR35, £500 - £800 P/D 6 months with scope to extend Predominately remote with occasional travel Active SC would be required We are seeking experienced Solution Architects to provide end-to-end technical leadership across defined migration workstreams within a major large-scale legacy-to-cloud...

YOU ARE As a Lead and Principal Infrastructure Architect, you own end-to-end responsibility for designing optimized compute infrastructure for large-scale AI and machine learning systems, including large-scale distributed training environments. You are the authority who translates business goals, SLAs, and client standards into infrastructure...

Java, Spring Boot and Cloud Platforms(AWS, Azure and GCP) I am currently working with a leading software software consultancy working with the government for a Senior Java Engineer. This role involves mentoring junior engineers, collaborating with cross-functional teams, and driving the adoption of best practices in software...

About my clientMy client is building an AI work-execution platform for alternative investment firms and their portfolio companies, securely bringing together proprietary data, external sources and workflows. Backed by a global group of 1,800+ professionals with deep domain expertise, the team is small, senior and high-ownership, with direct access to the...

Role:Principal / Senior Java Developer – Elite FinTech Rate:Up to £750 per day Location:London Working Pattern:Hybrid Contract:Contract The Role They are looking for an exceptionalPrincipal / Senior Java Developerto join a high-calibre engineering team, working alongside some of the industry's strongest developers, architects and technical leaders. This...

Solutions Architect – Legacy-to-Cloud MigrationInside IR35, 500 – 800 P/D 6 months with scope to extendPredominately remote with occasional travel Active SC would be required We are seeking experienced Solution Architects to provide end-to-end technical leadership across defined migration workstreams within a major large-scale legacy-to-cloud migration...

LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a commitment to excellence in delivering the services our customers expect from us. LSEG Data & Analytics team is seeking a highly technical, hands-on Java developer. Our group is focused on...

We're hiring: AWS Technology Lead — Java ModernisationLondon (Holborn), hybrid · [Permanent / Contract] · 12–15+ yearsNCONS Talent Solutions is looking for a hands‑on AWS Technology Lead to take a monolithic Java application running on EC2 and rebuild it as an AWS‑native solution.This is a builder-leader role. You will design the target...

Lead technical decision-making and architecture design for JD’s international core systems, ensuring high standards of performance, availability, concurrency, security, and scalability.Design and oversee complex system architectures and drive productization efforts, maintaining architectural quality through hands-on coding, continuous performance...

Have you got experience leading a team while remaining hands‑on and technically involved?Salary: up to £120k + bonusLocation: London office 3 days a weekWe are delighted to be continuing our longstanding partnership with an FX Market Disruptor FinTech that has been acquired by a leading capital market. They are looking for an experienced Java Developer...