21 of 21 Legacy Applications Jobs in the UK

scale application packaging and deployment in a high-profile IT environment. Hands-on with cutting-edge tools including SCCM, Intune, AdminStudio, and PowerShell. Opportunity to modernize legacy applications and deliver reliable, automated software deployments. Remote-first role with occasional team meet-ups. 12-month FTC with extensions possible - excellent contract stability. Role Overview We're looking for … two Application Packaging & Deployment Engineers to package, test, and deploy applications across the enterprise. You'll work closely with deployment teams, service operations, and governance teams to ensure consistent, secure, and compliant software delivery. Key Responsibilities Package applications using AdminStudio, InstallShield, and PowerShell. Maintain consistent naming conventions and package standards. Migrate legacy applications to MSIX … or Intune-based deployment. Deploy and troubleshoot applications via SCCM and Intune. Maintain deployment infrastructure including collections, boundaries, and distribution points. Work across pre-production and production environments to ensure smooth rollout. Document processes and share knowledge with internal teams. Participate in change management and governance activities. Skills & Experience Proven experience in application packaging (MSI, App-V, Intune). More ❯

scale application packaging and deployment in a high-profile IT environment. Hands-on with cutting-edge tools including SCCM, Intune, AdminStudio, and PowerShell. Opportunity to modernize legacy applications and deliver reliable, automated software deployments. Remote-first role with occasional team meet-ups. 12-month FTC with extensions possible - excellent contract stability. Role Overview We're looking for … two Application Packaging & Deployment Engineers to package, test, and deploy applications across the enterprise. You'll work closely with deployment teams, service operations, and governance teams to ensure consistent, secure, and compliant software delivery. Key Responsibilities Package applications using AdminStudio, InstallShield, and PowerShell. Maintain consistent naming conventions and package standards. Migrate legacy applications to MSIX … or Intune-based deployment. Deploy and troubleshoot applications via SCCM and Intune. Maintain deployment infrastructure including collections, boundaries, and distribution points. Work across pre-production and production environments to ensure smooth rollout. Document processes and share knowledge with internal teams. Participate in change management and governance activities. Skills & Experience Proven experience in application packaging (MSI, App-V, Intune). More ❯

to oversee and guide the development function. This role is responsible for designing and implementing scalable, modern software solutions that meet business needs, while leading the transition of legacy systems into more flexible, web-based platforms using APIs and industry-standard practices. Technical & Architectural Skills Software architecture and system design Application modernization (legacy-to-web/… Lead, mentor, and manage the 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 requirements and translate them into … IT, or a related field, or 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 as Agile and DevOps practices. More ❯

risk, streamline the management of their environmental assets, and comply with regulations, caps, and commitments. Position Summary: We are seeking a Senior Software Engineer with experience in both legacy Microsoft technologies and PHP. In this hybrid support/development role, you will be the go-to expert for maintaining, troubleshooting, and extending mission-critical financial systems built on … function for this application. Essential functions: Develop secure, performance-optimized and scalable code that is tested and well documented Provide ongoing support, maintenance, and debugging for legacy applications in production Collaborate with development and DevOps teams to ensure stable deployment and operation of older systems Investigate and resolve performance, stability, and integration issues Write and optimize advanced … complex financial domain requirements, including compliance and security Take ownership of the product and mentor junior staff Participate in engineering efforts across the business as needed, primarily supporting PHP applications Required Qualifications: B.S./M.S. in Computer Science or equivalent relevant experience 5+ years experience building web applications Strong proficiency with .NET Framework Strong proficiency with ASP.NET Web More ❯

transforming client ideas into real-world products and platforms that unlock new value streams and enable technology-driven growth. Their Application Services division helps clients modernise legacy applications, reduce technical debt, and establish continuous innovation pathways leading to genuine business transformation. Within their Applications Engineering practice, they enable clients to escape outdated application estates and harness … instrumental in winning major opportunities. Your primary focus will be scoping, defining, designing and proposing technical solutions for: Application modernisation (particularly migrating from Java architectures to modern platforms) Legacy system transformation (including Oracle modernisation initiatives) Cloud-native application development Digital experience products Complex multi-service application opportunities A key differentiator in this role is leading AI-enabled capabilities … bid cycles over £5m value) Strong software development and architecture background with 3-5 years hands-on backend engineering experience (Java, C#, etc.) Application modernisation expertise - particularly transforming legacy 3-tier architectures to modern platforms Cloud-native and modern SDLC practices understanding across multiple technology stacks AI solutions delivery experience within SDLC contexts (minimum 2 implementations) Exceptional communication More ❯

digital transformation. This role will support the reduction of legacy systems, guide a small internal team, and promote best practices across development. Responsibilities Design and build internal applications and services (architecture curiosity and input encouraged) Lead migration of legacy apps to .NET Core Define coding standards, Git practices, and CI/CD pipelines Ensure code … and foster technical growth Recommend tools, frameworks, and stay aligned with .NET roadmap Knowledge of modern development practices (CI/CD, Git, unit testing) Experience migrating legacy applications Comfortable mentoring and reviewing code Note: Be first to hear about new opportunities with job alerts direct to your inbox. More ❯

vision for all aspects of application and product security across the firm's digital portfolio, products and services. Establish, communicate, and maintain security policies, standards, and practices for code, applications, APIs, customer platforms, and digital products. Embed security by design, threat modelling, and secure coding practices across agile and DevOps teams, ensuring alignment with regulatory requirements (FCA, GDPR, etc … Strong familiarity with modern programming languages, frameworks, and security vulnerabilities (e.g., OWASP Top Ten, SANS 25). Proven experience driving digital transformation initiatives, including migration of legacy applications to cloud-native platforms and adoption of SaaS/PaaS solutions. Understanding of UK financial regulations, GDPR, and industry standards (ISO 27001, NIST, PCI DSS, etc). Experience running … role level ** only available to select during our annual benefits window, in November each year Hargreaves Lansdown is an inclusive employer that values diversity in its workforce. We encourage applications from all individuals without regard to race, religion, gender, sexual orientation, national origin, disability or age. This role may also be available on a flexible working or part time More ❯

system and play a pivotal role in shaping the company's digital infrastructure. You'll be responsible for the ongoing development, support, and improvement of internal systems and business applications, as well as managing IT-related projects across the organisation. Key Responsibilities but not limited to: Develop, maintain, and upgrade bespoke applications using VB.NET. Enhance and support the … Liaise with key internal teams to understand business needs and translate them into robust software solutions. Provide end-user training and technical support. Maintain and improve legacy applications to ensure consistent performance. Write and maintain technical documentation, user manuals, and test cases. Perform thorough testing to identify and resolve software bugs. Skills & Experience: Strong commercial experience with … VB.NET development. Proven ability to maintain and document legacy code. Proficient in Microsoft SQL Server and relational database design. Experience with SAP Crystal Reports. Familiarity with Infragistics Ultimate UI for Windows is a plus. Excellent debugging, troubleshooting, and problem-solving skills Clear communication skills with the ability to liaise across technical and non-technical teams. Knowledge of Software More ❯

teams and help keep the UK's welfare systems secure, reliable, and ready for the future. You'll support critical services and play a key role in modernising legacy systems as we move to cloud platforms. The scale of what we do is extraordinary, and we'd love for you to join us. You are your role We … databases and SQL scripting. Detailed working knowledge and experience of development and deployment in Cloud environments (AWS, Azure). Proven ability of supporting and maintaining complex legacy applications in live environments. Demonstrable experience of managing incidents and problems with a focus on service continuity. Stakeholder management of service owners and able to challenge delivery and products. Technical … experience of: When you have (collaborating with others if necessary) used your strong skills in Linux administration, shell scripting (KSH, Bash) and server configuration to modify or enhance multiple applications spanning a variety of programming languages. Details. Wages. Perks. Location: You'll join us in one of our brilliant digital hubs in Birmingham, Blackpool, Leeds, Manchester, Newcastle or Sheffield More ❯

teams and help keep the UK's welfare systems secure, reliable, and ready for the future. You'll support critical services and play a key role in modernising legacy systems as we move to cloud platforms. The scale of what we do is extraordinary, and we'd love for you to join us. You are your role We … databases and SQL scripting. Detailed working knowledge and experience of development and deployment in Cloud environments (AWS, Azure). Proven ability of supporting and maintaining complex legacy applications in live environments. Demonstrable experience of managing incidents and problems with a focus on service continuity. Stakeholder management of service owners and able to challenge delivery and products. Technical … experience of: When you have (collaborating with others if necessary) used your strong skills in Linux administration, shell scripting (KSH, Bash) and server configuration to modify or enhance multiple applications spanning a variety of programming languages. Details. Wages. Perks. Location: You'll join us in one of our brilliant digital hubs in Birmingham, Blackpool, Leeds, Manchester, Newcastle or Sheffield More ❯

teams and help keep the UK's welfare systems secure, reliable, and ready for the future. You'll support critical services and play a key role in modernising legacy systems as we move to cloud platforms. The scale of what we do is extraordinary, and we'd love for you to join us. You are your role We … databases and SQL scripting. Detailed working knowledge and experience of development and deployment in Cloud environments (AWS, Azure). Proven ability of supporting and maintaining complex legacy applications in live environments. Demonstrable experience of managing incidents and problems with a focus on service continuity. Stakeholder management of service owners and able to challenge delivery and products. Technical … experience of: When you have (collaborating with others if necessary) used your strong skills in Linux administration, shell scripting (KSH, Bash) and server configuration to modify or enhance multiple applications spanning a variety of programming languages. Details. Wages. Perks. Location: You'll join us in one of our brilliant digital hubs in Birmingham, Blackpool, Leeds, Manchester, Newcastle or Sheffield More ❯

future of their technology landscape. This is a great opportunity for someone who's passionate about technology and problem-solving someone who enjoys building new solutions and modernising legacy applications. You'll be joining a fast-moving, agile, and dynamic team focused on continuous improvement. This is not a people management position, but a position to lead technically. More ❯

across multiple environments on a cloud platform such as AWS. Extensive experience in designing and implementing best practices using IaC tools such as Terraform and automating legacy applications with scripting languages such as shell scripts, python. Extensive experience in designing and implementing best practices using CaC tools (Ansible) Extensive experience in designing and implementing CI/CD … hoc days on site in London or Leeds InterQuest Group is acting as an employment agency for this vacancy. InterQuest Group is an equal opportunities employer and we welcome applications from all suitably qualified persons regardless of age, disability, gender, religion/belief, race, marriage, civil partnership, pregnancy, maternity, sex or sexual orientation. Please make us aware if you More ❯

Senior Developer with deep expertise in AWS BluAge modernization tools, Java Spring Boot, and Apache Kafka. The ideal candidate will play a key role in modernizing legacy applications, building scalable microservices, and implementing real time data pipelines. Must have technical skills: AWS BluAge Kafka Java Springboot Nice to have skills: Good to have some knowledge on banking More ❯

enhancing user experience and ensuring security and scalability. This role will also support the transition to a modern workplace environment, deploying VDI solutions, and managing the seamless deployment of applications to operational sites. Responsibilities: Design and implement VDI solutions that meet business needs and enhance user experience. Manage and deploy applications seamlessly to operational sites, ensuring optimal performance. … user experience with VDI by optimising performance and ensuring security and scalability. Monitor and manage VDI environments to ensure high uptime and reliability. Reduce reliance on legacy applications by supporting modern virtualization technologies. Collaborate with other IT teams and stakeholders to ensure alignment and support for VDI initiatives. Skills and Experience: Proven experience in a similar VDI … vendors. Expert level experience of VDI platforms such as Azure Virtual Desktop, Citrix, or similar and knowledge of VDI technologies and best practices. Detailed understanding and experience of deploying applications to production environments. Knowledge of security and compliance standards relevant to VDI. Excellent written and verbal communication skills with the ability to communicate complex concepts to technical and non More ❯

on security insights. Desirable Skills Experience working in fintech or regulated environments. Certifications such as OSCP, CSSLP, or CISSP. Familiarity with compliance automation platforms like Drata. Exposure to legacy application security and modernisation strategies. This role is based in central London working on a hybrid basis with 3 days on-site. Interview slots available asap. Apply now to More ❯

Application Developer utilising the MERN stack, will be responsible for developing web applications. Your role involves working with Public Cloud (AWS) services to enhance applications. Duties Application Developer • Test applications for performance and functionality. • Collaborate with other developers on projects and work alongside development members and business partners to develop microservices. • Drive the development of web applications using … Senior development experience using MERN framework for web application development. • Unit with React Testing Library/Jest and E2E test automation with Cypress • Experience in refactoring legacy applications into modern, scalable, and maintainable solutions • Release procedures, coding design and documentation Candidates who are currently an Application Developer, Software Engineer, Software Developer, Web Developer, Application Engineer and IT More ❯

Application Developer utilising the MERN stack, will be responsible for developing web applications. Your role involves working with Public Cloud (AWS) services to enhance applications. Duties – Application Developer • Test applications for performance and functionality. • Collaborate with other developers on projects and work alongside development members and business partners to develop microservices. • Drive the development of web applications using … Senior development experience using MERN framework for web application development. • Unit with React Testing Library/Jest and E2E test automation with Cypress • Experience in refactoring legacy applications into modern, scalable, and maintainable solutions • Release procedures, coding design and documentation Candidates who are currently an Application Developer, Software Engineer, Software Developer, Web Developer, Application Engineer and IT More ❯

/Qualities Experience working in large organisations with demonstrableskills of cross team collaboration Recent experience in product and compliance management Java - Extensive experience working with both large enterprise monolithic applications and modern cloud, micro service platforms Spring Boot, Spring MVC, JSP, Dropwizard, Maven, Gradle, Tomcat, Jetty, Junit, Mockito Microsoft SQL Server/Service Broker, TSQL, RDS Functional and Nonfunctional … testing experience - ability to create and maintain complex automated testing suites for modern and legacy application DevOps capabilities Containers, cloud, automation, security, configuration management, CI/CD Continuous Integration - Jenkins (declarative and containerised pipelines), GIT Experience working with Agile processes and methodologies Payments experience Lead the evaluation of ideas, tools, technology, standards and best practice Support innovation by More ❯

Overview Bicester, Oxfordshire (on-site £85,000 - £95,000) Are you a strategic, hands-on IT leader who can steady a legacy estate while preparing a business for cloud transformation? We're hiring a Head of Technology to lead BAU IT across a multi-site UK operation from their Bicester HQ, working with a fractional CIO and trusted … Microsoft 365), contribute to design and readiness, and support a small in-house team. What You'll Do Own and stabilise BAU for on-prem infrastructure, networks and legacy apps, ensuring availability, performance and security. Lead service delivery and suppliers; coach a core team of 5 to clear priorities and measurable SLAs. Uplift governance and compliance (GDPR); progress … Contribute to the transformation: shape target architecture and cutover for ERP, e-commerce, CRM and WMS. What We're Looking For Senior IT lead comfortable in multi-site, legacy-heavy environments, happy to be hands-on when needed. Strong Microsoft 365/Azure and SaaS know-how plus deep on-prem experience; able to discuss code/integrations More ❯

researchers) My client are embarking on a strategic programme of work whereby they are looking to implement a new best-in-class LIMS across their organisation, to replace legacy a LIMS and other various legacy applications. I am interested in speaking with experienced contractors who have worked within the life sciences or healthcare sectors before on More ❯