25 of 25 Legacy Applications Jobs in the UK

play a key role in architecting a modern virtual desktop platform while ensuring seamless integration with a wide range of legacy applications critical to the business. Working alongside infrastructure, cloud, security and project teams, you'll help shape a scalable, secure and high-performing AVD estate that … solution end-to-end. Define the architecture, standards and best practices for the AVD environment. Lead the integration of complex legacy applications into the new virtual desktop platform. Work closely with infrastructure, cloud, networking and security teams throughout delivery. Ensure the solution is secure, resilient, scalable ...

technologies for individual workloads. Collaborate with frontend engineers to deliver full-stack solutions using React where required. Support the modernisation of legacy applications and migration towards cloud-native architectures. Build and optimise event-driven solutions using messaging and streaming technologies. Write clean, maintainable, well-tested code following … scalability, observability, and reliability. Work within Agile delivery teams, contributing to continuous improvement and DevOps practices. Essential Skills & Experience Strong commercial experience developing backend applications using Go (Golang) . Excellent understanding of distributed systems and microservices architecture. Experience building scalable APIs and high-throughput backend platforms. Strong Microsoft Azure ...

cloud services and cost optimisation. Key Responsibilities · Lead the architectural design of a large-scale application migration programme. · Develop migration strategies for complex enterprise applications, including the transformation of legacy applications into modern microservice-based architectures. · Produce High-Level Designs (HLDs) and Low-Level Designs (LLDs … stakeholders, translating complex technical concepts into clear business outcomes. Essential Experience · Proven experience leading large-scale enterprise application migration programmes. · Demonstrable experience migrating monolithic applications to modern microservice-based architectures. · Strong AWS architecture and cloud migration expertise. · Extensive experience designing and implementing containerised solutions using: · Amazon EKS · Amazon ...

Required Rate: £529/day (Inside IR35) Location: Remote (UK) Contract: 6 months Overview We're hiring 2x Lead Developers to support a Legacy application modernisation programme. … role involves maintaining and upgrading critical business systems while transitioning them into modern, sustainable solutions. Key Responsibilities Modernise and support Legacy applications Work across development and production support Collaborate with existing delivery teams Deliver incremental improvements in complex environments Key Skills .NET (Web + WinForms), C#, VB.NET ...

teams - Set architectural direction for API-first design, system integration, and platform enablement for AI - Lead the evolution of legacy or existing applications towards modern, service-based and API-driven architectures - Define and guide integration patterns between applications, platforms, and AI services - Make informed decisions … code, testing, and maintainability - Strong experience designing and delivering API-driven and microservice-based systems - Proven ability to modernise or integrate legacy applications into modern software and platform architectures - Solid development experience in TypeScript and Python - Experience working across software delivery, infrastructure, CI/CD, and operational ...

troubleshooting of Active Directory within an on premise environment Development of a customer desktop build with a number of bespoke/legacy applications Packaging of applications Excellent communications skills, organisational skills and independent and autonomous working Experience in ITIL ICT service delivery on critical infrastructure Experience … life assurance, health schemes, gym memberships, annual buy and sell holidays and a cycle to work scheme) Dynamic Working Commitment to Diversity: We welcome applications from every part of the community and are committed to a truly diverse and inclusive culture. We foster a sense of belonging, welcoming ...

software development team (including contractors) in collaboration with the current Development Manager, fostering a collaborative and high-performing environment. Architect and design modern, scalable applications and integrations, with a focus on transitioning from legacy platforms to modern solutions. Collaborate with stakeholders and change management teams to gather … equivalent practical experience. Proven experience as a Software Development Manager or in a similar leadership role. Strong background in modernizing legacy applications and integrating with web-based platforms. Solid understanding of software architecture, database design, integration patterns, and performance optimization. Familiarity with modern development methodologies, such ...

modern Microsoft technologies Genuine opportunity to influence engineering standards and long-term technical strategy Your responsibilities as Senior Software Engineer Design, develop and maintain applications using C# and .NET technologies Build scalable APIs, integrations and microservices to support business-critical platforms Contribute to solution architecture and technical design decisions … across multiple projects Support Azure cloud services, CI/CD pipelines and engineering best practices Help modernise legacy applications while reducing technical debt and improving software quality Mentor other developers and work closely with Product, Engineering and Infrastructure teams to deliver successful outcomes What we're looking ...

modern Microsoft technologies Genuine opportunity to influence engineering standards and long-term technical strategy Your responsibilities as Senior Software Engineer Design, develop and maintain applications using C# and .NET technologies Build scalable APIs, integrations and microservices to support business-critical platforms Contribute to solution architecture and technical design decisions … across multiple projects Support Azure cloud services, CI/CD pipelines and engineering best practices Help modernise legacy applications while reducing technical debt and improving software quality Mentor other developers and work closely with Product, Engineering and Infrastructure teams to deliver successful outcomes What we're looking ...

Solution Architect, Technical Architect or Senior Software Architect Strong background in modern software engineering using C#/.NET Extensive experience designing cloud-native applications on AWS Deep understanding of microservices architecture Experience with event-driven systems and asynchronous messaging API-first architecture and systems integration Container technologies (Docker, Kubernetes … closely with software engineers and remaining technically credible Nice to have Financial services, payments or complex transactional platform experience Experience modernising legacy applications Domain-driven design Event sourcing or CQRS Serverless architecture Observability platforms DevSecOps practices Why join? This is an opportunity to influence architecture rather than ...

doing: Designing and building cloud infrastructure across Azure (and some AWS) Creating and implementing cloud landing zones Migrating legacy applications into cloud environments Developing Infrastructure as Code (Terraform or Bicep) Building and maintaining CI/CD pipelines Implementing monitoring, logging, and alerting solutions Managing identity and access … Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best ...

transformation programme. You will play a key role in the design, automation, and migration of critical database platform services into AWS, helping modernise legacy environments and deliver secure, scalable cloud solutions. What You'll Be Doing Design, build and maintain CI/CD pipelines using GitLab …/CD and GitOps practices Develop and manage Infrastructure as Code (IaC) using Terraform Support the containerisation and migration of legacy applications into Kubernetes environments Deploy and manage Kubernetes workloads using Helm and ArgoCD Collaborate with development and infrastructure teams to improve build, deployment and operational processes ...

Additional GCP experience within large-scale production environments Experience with search technologies such as Solr or Constructor Experience supporting and modernising legacy applications Previous involvement in high-traffic, customer-facing platforms Key Responsibilities Design, develop, and maintain full-stack applications across frontend and backend systems Build … unit, integration, and end-to-end testing layers Participate in code reviews and promote best engineering practices Monitor, troubleshoot, and resolve production issues Optimise applications for performance, scalability, and reliability Work closely with Product, Design, QA, and Engineering teams Mentor and support junior team members where required Additional Information ...

lead enterprise-wide software engineering and architecture as part of a major digital transformation programme. You'll shape technical strategy, modernise legacy applications, and drive the delivery of secure, scalable solutions using the latest Microsoft technologies. Working closely with senior stakeholders, development teams and external partners ...

excellence. Maintain end-to-end accountability for platform production readiness, ensuring it meets enterprise standards. Support and enable the migration of legacy applications to the cloud, contributing to broader cloud adoption initiatives. Collaborate with cross-functional teams to ensure operational readiness, resilience, and effective integration into live ...

migration planning and execution, working closely with business stakeholders, technical teams, and implementation partners to ensure a successful transition from legacy applications to a modern cloud-based ERP platform. Key Responsibilities Lead the ERP Data Migration workstream from planning through execution, go-live and hypercare support. Develop ...

Capability to translate business needs into technical solutions and explain technical constraints in business terms Willing to understand and work on legacy applications when required Preferred Qualifications Prior experience with other financial risk stack platforms such as SecDB, Quartz, or Athena Knowledge of rates products including Swaps ...

MuleSoft) Overseeing SAP GRC Access Control lifecycle and risk/compliance rule updates Driving rationalisation of SAP Fiori and decommissioning of legacy applications Owning planning across requirements, build, testing, and deployment phases Coordinating SMEs, delivery teams, and managing dependencies, risks, and timelines Required Experience: Strong experience ...

their Belfast engineering team. This is a hands-on senior role sitting at the heart of a live re-platforming project, migrating a legacy application into AWS and modernising it for cloud-native best practices. You will work alongside an experienced senior engineer to drive this forward, with … opportunity to do that. What you will be doing: Designing and implementing robust, scalable, and secure infrastructure on AWS Driving the migration of legacy systems into cloud-native architectures Developing and maintaining infrastructure-as-code using Terraform or comparable tooling Improving system reliability, observability, and cost-efficiency across ...

Manual Tester - CESA Legacy (SFIA 5) Location: Telford Site Presence: Min 2 x monthly Rate: £500 - £525 per day inside IR35 Clearance : BPSS only Overview We are looking for an experienced Manual Test Analyst to support delivery within the CESA Legacy estate. This role is focused … minimal onboarding. Previous experience working within the CESA estate is considered essential. Key Responsibilities Perform manual functional and regression testing across the CESA Legacy application. Review requirements, change requests and defect fixes to determine appropriate test coverage. Create, maintain and execute manual test cases. Record, manage and retest ...

major transformation of one of its core business-critical platforms. This is an opportunity to play a leading role in modernising a legacy product, improving its architecture, integrating it with wider enterprise systems, and introducing AI capabilities into both the product itself and the software development lifecycle. Rather … experience as a Tech Lead, Lead Developer, Senior Software Engineer or Software Architect. Strong software architecture and solution design experience, including modernisation of legacy applications. Experience designing scalable, maintainable and highly available systems. Knowledge of API design, system integration and enterprise application architecture. Experience delivering software through Agile ...

Project Manager – Legal Applications/Intapp Location: London (3 days per week) Contract: 12 Month Fixed Term Contract (potential to extend) Salary: £50,000 to £70,000 + benefits (depending on experience) Start: ASAP An exciting opportunity has arisen for a Project Manager to join a major transformation programme. … Technology teams. Responsibilities Lead the end to end delivery of a Business Acceptance transformation programme within a legal environment. Manage the migration of legal applications from on premises to cloud based platforms such as Intapp or similar. Improve and redesign processes covering: Conflict checks AML and KYC Sanctions screening ...

working with a client who are seeking an experience Solution Architect with strong background in leading the architectural design for the replacement of legacy systems. Key Responsibilities: * 'As-Is' Architecture Baseline: Work closely with the existing technical experts to decode and document the complex, often undocumented … state, including direct database connections, legacy XML feeds, and custom point-to-point scripts. * Target State Design: Provide the strategic oversight for the design of the comprehensive 'To-Be' architecture mapping to the 7 core functional modules (Commissioning, Identity, Rights/Contracts, Financial Processing, Sales/Licensing, Analytics ...

communcations through Interface. The role This is, first and foremost, a business systems role. The successful candidate will take ownership of a broad applications estate, including core platforms such as Sage 200, Weighsoft, Syrinx, Salesforce and Qlik, together with the underlying Microsoft SQL Server environment. A central part … senior and practical appointment with genuine ownership, not a Head of Data or pure transformation role. What you will do Own the applications estate. Take responsibility for the group's business systems and the integrations between them. Integrate and standardise. Onboard the systems that arrive with each acquisition ...

major transformation of one of its core business-critical platforms. This is an opportunity to play a leading role in modernising a legacy product, improving its architecture, integrating it with wider enterprise systems, and introducing AI capabilities into both the product itself and the software development lifecycle. Rather … experience as a Tech Lead, Lead Developer, Senior Software Engineer or Software Architect. Strong software architecture and solution design experience, including modernisation of legacy applications. Experience designing scalable, maintainable and highly available systems. Knowledge of API design, system integration and enterprise application architecture. Experience delivering software through Agile ...