4 of 4 Legacy Applications Jobs in the City of London

Senior Forward Deployment Engineer

Hiring Organisation
Luxoft
Location
City of London, London, United Kingdom
effective automated test suites, remediating security vulnerabilities, performing dependency and reachability analysis, upgrading Java and NPM runtimes, modernizing Spring and legacy middleware applications, improving CI/CD pipelines, containerizing applications, automating deployments, and introducing standard observability and resilience patterns. The Expert FDE is expected to lead … operating systems to supported versions. Establish sustainable dependency-management processes with continuous library updates using Renovate or equivalent tools. Modernize legacy applications and middleware stacks, including those deployed on WebSphere or WebLogic. Containerize applications using Docker and support deployment to OpenShift. Improve source control, branch management ...

Application Migration Engineer

Hiring Organisation
Sanderson Government and Defence
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £520 per day + Inside IR35
Role Summary The Application Migration Engineer will be responsible for assessing, designing, and delivering the migration of existing services and applications onto the new Common Data Platform (CDP). The role focuses on ensuring migrations are delivered securely, efficiently, and with minimal disruption to business operations. Key Responsibilities Assess … existing services, applications, and supporting infrastructure to identify migration requirements, dependencies, and risks. Design and implement migration strategies that minimise service disruption and technical risk. Develop, test, and deploy application changes required to ensure compatibility with the CDP platform. Refactor legacy applications and components where necessary ...

Machine Learning Engineering Lead

Hiring Organisation
Hackajob Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
responsible for developing and supporting business-critical platforms used to create, manage, publish, and analyse legal and regulatory content. Our work spans modern web applications, cloud services, content migration programmes, publishing platforms, reporting solutions, and operational tooling. We partner with editorial, product, and technology stakeholders to deliver high-quality … processes that are reliable, traceable, and governed. Integrate AI/ML capabilities with enterprise systems, APIs, databases, data platforms, content repositories, legacy applications, internal services, and AWS-hosted services. Establish evaluation and quality controls for accuracy, groundedness, citation quality, hallucination risk, agent task success, latency, cost, reliability ...

Solutions Architect (Dynamics 365)

Hiring Organisation
Tria
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90000 - £100000/annum + Holiday + Pension
estate. This organisation is investing heavily in modernising its technology environment, including the implementation of Dynamics 365, Microsoft Fabric and the replacement of legacy systems. You'll join an established transformation team and act as the key Solutions Architect, helping define how systems, platforms and integrations fit together … across Dynamics 365, Azure, Power Platform, Microsoft Fabric and wider enterprise systems * Design integrations and support the migration and decommissioning of legacy applications * Work with development teams, technical specialists and external suppliers to turn architecture into deliverable solutions * Provide technical leadership while helping shape the longer-term ...