1 to 25 of 51 Permanent Legacy Applications Jobs in the UK excluding London

Technical) to join a major application modernisation programme. This role will focus on the discovery, assessment and transformation of legacy business-critical applications, supporting their migration into modern .NET-based solutions hosted within Azure and OpenShift/containerised environments. This is an excellent opportunity for a technically … minded analyst who enjoys understanding legacy applications, identifying dependencies and risks, and helping shape technology modernisation strategies that align business and technical objectives. You will work closely with application owners, business stakeholders, architects, developers, infrastructure teams and DevOps specialists to support decision-making throughout the application modernisation ...

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 ...

technical requirements into architectures that are secure, resilient and maintainable, whilst helping delivery teams successfully implement them. You’ll influence architecture decisions across applications, integrations and cloud platforms, balancing technical excellence with operational, security and business requirements. Key Responsibilities Design scalable, secure and resilient application architectures aligned to business … user requirements. Define architecture patterns for web applications, APIs, integrations and cloud‐native services. Lead application modernisation initiatives, including migration of legacy applications and adoption of modern engineering practices. Produce and maintain architecture artefacts including High‐Level Designs (HLDs), technical roadmaps and architecture decision records. Work ...

adoption portal, they will rely heavily on your guidance. You will define and implement Azure and GCP architectures, support migration of legacy applications, modernise core banking platforms, and ensure cloud solutions meet regulatory, operational, and security requirements. Key Responsibilities Cloud Strategy & Architecture Define target architectures for cloud … standards. Align cloud platform capabilities with business, regulatory, and operational needs. Provide architectural leadership across transformation programmes. Application Modernisation Assess legacy applications and define migration strategies: Rehost Replatform Refactor Cloud‐native transformation Support adoption of PaaS/SaaS aligned with the target operating model. Partner with engineering ...

Working within a predominantly Microsoft technology environment, you will play a key role in defining solution architecture, supporting the migration of legacy applications, and ensuring scalable, future-proof solutions are delivered across the business. Experience with Microsoft Dynamics is highly desirable, alongside broader knowledge of the Microsoft … modernisation initiatives. Produce high-level and low-level solution designs to support business and technical requirements. Support the migration of legacy applications and platforms to modern cloud-based solutions. Ensure solutions align with architectural standards, security requirements, and business objectives. Collaborate closely with business stakeholders, delivery teams ...

remain highly available and resilient. Champion automation-first practices across CI/CD pipelines and DevOps toolchains. Support the migration of legacy applications into modern cloud environments. Collaborate within agile (Scrum/Kanban) teams to embed Continuous Integration and Continuous Deployment as standard practice. What … Looking For Active SC Clearance - mandatory for this role. Demonstrable experience developing and supporting AWS cloud-based applications (using EC2 and ECS ). Demonstrable knowledge of writing and maintaining Infrastructure as Code and Configuration as Code ( Terraform and Ansible ). Demonstrable experience using Unix/Linux/Windows ...

remain highly available and resilient. Champion automation-first practices across CI/CD pipelines and DevOps toolchains. Support the migration of legacy applications into modern cloud environments. Collaborate within agile (Scrum/Kanban) teams to embed Continuous Integration and Continuous Deployment as standard practice. What … Looking For Active SC Clearance - mandatory for this role. Demonstrable experience developing and supporting AWS cloud-based applications (using EC2 and ECS ). Demonstrable knowledge of writing and maintaining Infrastructure as Code and Configuration as Code ( Terraform and Ansible ). Demonstrable experience using Unix/Linux/Windows ...

development work, contribute to key business systems and help modernise existing technology. You'll work across a varied technical environment, developing and maintaining applications while also getting involved in improving systems, integrations and overall architecture. There's plenty of opportunity to broaden your technical skills and have a genuine … Technical Environment The ideal candidate will have strong commercial experience with: C# and .NET Framework WinForms , including maintaining and enhancing legacy applications Blazor SQL Server , including database design and optimisation System integration and managing data across multiple platforms Software development principles, testing and version control Experience working ...

fast-paced environment and engaging with stakeholders across the business. Outline of responsibilities/duties: Software Development Design, develop, test and maintain modern business applications and enterprise software Develop secure and scalable applications using C# and .NET Develop REST APIs and system integrations connecting internal and third-party … application architecture and technical design Support software deployments through Azure DevOps and CI/CD pipelines Business Systems & Platforms Develop and enhance business applications across the Microsoft ecosystem Design scalable Dataverse solutions Develop custom business logic and integrations Build reusable software components Improve existing applications through refactoring ...

based Messaging. Experience on an recent BizTalk versions including 2013. Strong knowledge of integration patterns specially in integrating Portals/SSO, legacy applications, B2B Applications, external partners using BizTalk. Strong command on various BizTalk components like BRE and BAM and should have expertise in developing custom ...

allowing the business growth NEXT has seen over the last few years. We never standstill, we are constantly looking to evolve our technology, our applications and the services we offer our stakeholders. We really are a group of people who love technology, pushing boundaries and answering the what … forcing through change and ultimately providing our customers with a better service. Like all departments, we also have challenges with some legacy applications and 'older' code languages but who doesn't love a good challenge? We can promise an environment that is never dull with the freedom ...

Stored Procedures, SQL Server 2019 or 2022 and possibly with SQL Azure knowledge) plus some skills in C# and .Net to build back end applications and database fuctionality for the next generation of their SaaS platform used by global clients on Enterprise sized system applications. Their company are trusted … SaaS platform Experience and person profile: Strong experience developing and supporting production web applications. Excellent problem-solving and troubleshooting skills, particularly across backend applications and databases. A strong understanding of relational database design and SQL Server. The ability to understand complex systems and confidently investigate how application and database ...

Technical Requirements You will ideally have strong commercial development experience with: C# and .NET Framework WinForms development , including maintaining and enhancing legacy applications Blazor SQL Server , including database design and performance optimisation Experience integrating systems and managing data across multiple platforms Strong understanding of software development principles … testing and version control Experience with legacy technologies or applications is also valuable, particularly where you have worked with technologies such as VB.NET or Delphi . Desirable Experience Experience modernising legacy systems and moving towards more maintainable architectures Experience within manufacturing, logistics or another operational ...

allowing the business growth NEXT has seen over the last few years. We never standstill, we are constantly looking to evolve our technology, our applications and the services we offer our stakeholders. We really are a group of people who love technology, pushing boundaries and answering the what … forcing through change and ultimately providing our customers with a better service. Like all departments, we also have challenges with some legacy applications and 'older' code languages but who doesn't love a good challenge? We can promise an environment that is never dull with the freedom ...

Flexible Role Overview We are seeking an experienced Senior Test Environment & Platform Manager to support a major enterprise technology transformation, moving from a legacy monolithic landscape towards a modern microservices-based architecture using Java, Kafka and OpenShift . This is a highly technical Test Environment Management position combining … Work closely with architects, engineering teams, developers, QA and delivery squads to understand environment requirements. Ensure environments can effectively support both legacy applications and new microservices-based services. Define environment standards, processes, governance and operating models. Environment & Platform Management Support the design, provisioning, configuration, maintenance and decommissioning ...

looking for an accomplished Senior Umbraco Full Stack .NET Developer to take a lead hands-on role designing, developing and delivering modern web applications, customer-facing digital platforms and CMS-driven solutions. You'll work across both new builds and existing client solutions - developing new functionality, integrating third-party … experienced developers where needed. ABOUT THE CLIENT Our client is an established and expanding technology company specialising in digital transformation, bespoke software development, enterprise applications and the ongoing support and modernisation of business-critical systems. They work closely with their clients to understand real business challenges and deliver robust ...

Senior Software Engineer C#/.NET | Desktop Applications | Cloud | Software Modernisation 3 days per week onsite The Opportunity We are looking for experienced Software Engineers and Senior Software Engineers to join a highly technical product engineering team developing and modernising complex, high-performance software applications. This is a hands … involved in software development rather than moving towards people management. What You'll Be Doing Design, develop and maintain complex desktop and cloud-based applications using modern software engineering practices Write clean, maintainable and well‐tested C#/.NET code Apply object‐oriented principles, SOLID, design patterns and appropriate ...

future products using our modern stack (NestJS, TypeScript, GraphQL via Hasura, PostgreSQL, Vue.js) Legacy platform work - maintaining and improving our older Node.js applications (Express, Handlebars, MongoDB) Data and ingestion - working with large datasets, building and optimising data pipelines, and ensuring our systems perform at scale This … solution design through to production release Working with and optimising databases and data pipelines for performance and scale Maintaining and improving legacy applications alongside new product development Performing code reviews and upholding code quality standards Proactively identifying and driving improvements to software, tooling, and processes Protecting ...

Oversee technical aspects of regional EMEA, APA, and LATAM corporate hierarchy and limits applications Maintain secure, resilient, and highly available critical systems Contribute to modernization of mainframe-based systems toward scalable, cloud-aligned architectures Maintain and enhance COBOL/DB2-based applications Advance distributed, API-driven, and event … COBOL, JCL, CICS, and DB2 Proven track record of maintaining and enhancing mission-critical enterprise systems Demonstrated ability to analyze complex legacy applications and identify modernization opportunities Excellent problem-solving, debugging, and communication skills Growth mindset with a strong desire to expand skills into distributed systems ...

engineering capability across teams.Help engineers to grow and solve engineering blockers. About You 5+ years of experiencedesigning and delivering enterprise level cloud‐based web applications and services, gained as a hands‐on Technical Architect, Principal Engineer, Lead Engineer or in a similar senior technical role. Able to communicate complex … operation of live services. Desirable experience Experienced working in a regulated,public‐sector,or safety‐critical environment. Experienced modernising or replacing legacy applications whilst continuing to support live services. Experienced designing solutions that use AI,automation,or intelligent services appropriately and securely. Relevant Microsoft Azure certifications. Additional ...

worked remotely As an Application Packaging Engineer, you will join a specialist engineering team responsible for the technical discovery, packaging, and deployment of applications across enterprise endpoints using Intune and Microsoft Configuration Manager (MECM/SCCM). This is a hands-on technical role requiring demonstrable expertise Role & Responsibilities … packages using MasterPackager (MSI), Microsoft App-V Sequencer, PowerShell, and PowerShell Application Deployment Toolkit (PSADT). * Legacy Repackaging - Repackage legacy applications for deployment to modern platforms such as Intune and Windows 365. * Application Deployment - Deploy and test applications using Intune, Citrix, and SCCM ...

trade and asset servicing operations across global financial markets. You will play a key role in the design, development and enhancement of enterprise-grade applications used to manage complex asset servicing processes, corporate actions, income processing, custody operations and client reporting. Working within an Agile delivery environment, you will … fellow engineers to deliver innovative solutions that improve operational efficiency, client experience and platform scalability. Responsibilities Design, develop and maintain scalable full stack applications using Java and React. Build and enhance microservices and RESTful APIs supporting Asset Servicing platforms. Develop responsive user interfaces using React, TypeScript and modern front ...

building new user-facing features across a modern SaaS platform. At the same time, you'll help support and enhance a number of existing applications built in Vue.js, making it essential that you're comfortable working across both technologies. This role would suit an experienced frontend engineer who enjoys … solving complex UI challenges, writing clean and maintainable code, and collaborating closely with Product, Design, and Engineering teams. Skills Strong commercial experience developing frontend applications with React Previous experience working with Vue.js and confidence supporting legacy applications Strong JavaScript and/or TypeScript skills Excellent knowledge ...

backend services and APIs using C# and modern .NET/ASP.NET Core.Contribute to architectural decisions across backend services, integrations and data.Modernise legacy applications into scalable, maintainable web-based solutions.Collaborate with cross-functional teams to deliver robust technical solutions.Promote engineering best practices, including automated testing, code quality … architecture and distributed systems.Solid SQL and relational database knowledge.Strong understanding of software design principles, dependency injection and automated testing.Experience working on complex or legacy software modernisation projects.Excellent communication skills with the ability to influence technical decisions. Desirable Skills Docker and Kubernetes.PostgreSQL, Redis or Elasticsearch.GraphQL.RabbitMQ or other messaging technologies.CI ...

APIs using C# and modern .NET/ASP.NET Core. Contribute to architectural decisions across backend services, integrations and data. Modernise legacy applications into scalable, maintainable web-based solutions. Collaborate with cross-functional teams to deliver robust technical solutions. Promote engineering best practices, including automated testing, code quality … systems. Solid SQL and relational database knowledge. Strong understanding of software design principles, dependency injection and automated testing. Experience working on complex or legacy software modernisation projects. Excellent communication skills with the ability to influence technical decisions. Desirable Skills Docker and Kubernetes. PostgreSQL, Redis or Elasticsearch. GraphQL. RabbitMQ ...