1 to 25 of 355 Permanent Legacy Systems Jobs in the UK

week on site requirements) VIQU have partnered with a leading national organisation who are looking to migrate from their legacy systems, to modern, cloud first systems in Azure. They are looking to hire a lead/principal developer focused on C# and .NET development and architecture. … design, moving to Microservices architecture as/when required. Job Duties of the Principal Developer: Lead the design and migration from legacy systems (ASP and PHP) to modern, cloud first systems and applications. Design and implement software solutions using .NET and C#. Help to mentor junior ...

Governance: Develop, maintain, and realize architecture standards and principles that guide technology decisions across the organization. Technology Oversight: Provide strategic oversight of Awin’s systems, platforms, and infrastructure, including legacy systems and cloud-native environments. Integration Leadership: Lead architecture reviews and integration efforts across domains such … experts to ensure architectural consistency and scalability. Strategic Planning: Contribute to long-term planning for platform evolution, including the sunsetting of legacy systems and migration to unified platforms. Mentorship & Enablement: Support solution architects and engineering teams by providing architectural guidance and fostering a culture of technical excellence. ...

capable of designing secure, scalable architectures while providing day-to-day technical leadership. You will play a key role in modernising legacy systems, supporting the delivery of new features, and ensuring technical decisions align closely with both user needs and wider business goals. With a strong customer … gather feedback Skills & Experience (Essential) 5+ years’ experience designing and delivering solutions using the .NET framework Strong experience architecting scalable, secure, and high-performance systems Hands-on development experience with C# and modern .NET technologies Ability to translate business and user requirements into robust technical designs Experience leading code ...

Glue, Athena, LakeFormation, and DataBrew — unlocking the full potential of the organisation’s data assets. Working confidently across both AWS and legacy systems, you’ll source, validate, and connect data into a unified view, ensuring consistency and reliability. Collaboration will be at the heart of what … using AWS tools such as Glue, Athena, LakeFormation, or DataBrew. You’ll also be adept at working across both cloud and legacy systems, with excellent communication skills that allow you to bridge technical and non-technical audiences alike. A proactive, curious mindset and a passion for using ...

.NET framework, capable of designing secure and scalable architectures while providing leadership across multiple development teams. They will drive modernisation of legacy systems, support the delivery of new features and enhancements, and foster strong alignment between technical strategy and user needs. With a strong customer focus … translate business needs into clear technical designs and solutions. Experience conducting code reviews and establishing coding standards. Proven background in modernising legacy systems and building long-term technical strategies. Experience with at least two of the following: ORM frameworks (NHibernate, Entity Framework, etc.) SQL Server or other ...

Lead/Principal Architect, you'll take technical ownership of a critical business domain. You’ll guide the transition from legacy systems to a modern, cloud-native, microservices architecture, with a specific focus on solutions that serve the business unit you are aligned too. The Principle Architect … experienced Senior Architects with: Proven experience in solutions architecture within a heavily regulated industry. A strong track record of modernising legacy systems into scalable, microservices-based platforms Deep knowledge of design patterns, cloud-native practices, and architectural governance Experience of managing and running a team of Architects. ...

Lead/Principal Architect, you'll take technical ownership of a critical business domain. You’ll guide the transition from legacy systems to a modern, cloud-native, microservices architecture, with a specific focus on solutions that serve the business unit you are aligned too. The Principle Architect … experienced Senior Architects with: Proven experience in solutions architecture within a heavily regulated industry. A strong track record of modernising legacy systems into scalable, microservices-based platforms Deep knowledge of design patterns, cloud-native practices, and architectural governance Experience of managing and running a team of Architects. ...

manage complex projects, work with multi-functional teams, and deliver innovative services that support millions of people. From modernising legacy systems and driving cloud adoption to creating low-code solutions, you'll lead impactful change in a collaborative, forward-thinking environment. We have vacancies on different teams … citizens annually. You'll lead technical delivery across complex digital environments, managing cross-cutting projects and infrastructure/software upgrades on legacy systems and services. Working closely with our security manager, you'll plan and coordinate patches and upgrades to keep applications secure. Hybrid Cloud Services ...

manage complex projects, work with multi-functional teams, and deliver innovative services that support millions of people. From modernising legacy systems and driving cloud adoption to creating low-code solutions, you'll lead impactful change in a collaborative, forward-thinking environment. We have vacancies on different teams … citizens annually. You'll lead technical delivery across complex digital environments, managing cross-cutting projects and infrastructure/software upgrades on legacy systems and services. Working closely with our security manager, you'll plan and coordinate patches and upgrades to keep applications secure. Hybrid Cloud Services ...

manage complex projects, work with multi-functional teams, and deliver innovative services that support millions of people. From modernising legacy systems and driving cloud adoption to creating low-code solutions, you'll lead impactful change in a collaborative, forward-thinking environment. We have vacancies on different teams … citizens annually. You'll lead technical delivery across complex digital environments, managing cross-cutting projects and infrastructure/software upgrades on legacy systems and services. Working closely with our security manager, you'll plan and coordinate patches and upgrades to keep applications secure. Hybrid Cloud Services ...

manage complex projects, work with multi-functional teams, and deliver innovative services that support millions of people. From modernising legacy systems and driving cloud adoption to creating low-code solutions, you'll lead impactful change in a collaborative, forward-thinking environment. We have vacancies on different teams … citizens annually. You'll lead technical delivery across complex digital environments, managing cross-cutting projects and infrastructure/software upgrades on legacy systems and services. Working closely with our security manager, you'll plan and coordinate patches and upgrades to keep applications secure. Hybrid Cloud Services ...

direct impact on millions of lives? You'll take the lead in defining the technical future, steering the transition from legacy PHP systems to a modern, scalable platform built with Laravel, InertiaJS, and Vue 3. With solid groundwork already in place, you'll have real freedom … next generation of our products. This role would suit an experienced PHP developer who's ready to step beyond maintaining legacy systems and help build something modern, scalable, and genuinely impactful. If you're excited by the idea of using your technical skills to support a Tech ...

manage complex projects, work with multi-functional teams, and deliver innovative services that support millions of people. From modernising legacy systems and driving cloud adoption to creating low-code solutions, you'll lead impactful change in a collaborative, forward-thinking environment. We have vacancies on different teams … citizens annually. You'll lead technical delivery across complex digital environments, managing cross-cutting projects and infrastructure/software upgrades on legacy systems and services. Working closely with our security manager, you'll plan and coordinate patches and upgrades to keep applications secure. Hybrid Cloud Services ...

sole complex and technical challenges. You'll take the lead in defining the technical future, steering the transition from legacy PHP systems to a modern, scalable platform built with Laravel, InertiaJS, and Vue 3. With solid groundwork already in place, you'll have real freedom to shape … next generation of our products. This role would suit an experienced PHP developer who's ready to step beyond maintaining legacy systems and help build something modern, scalable, and genuinely impactful. If you're excited by the idea of using your technical skills to support a Tech ...

fast-growing, acquisition-led organisation. Your core mission will be to migrate operational (CRM) and in time, finance data from multiple legacy systems into Microsoft Dynamics, repeatedly, reliably, and under pressure. You will work across: Bespoke, undocumented, and at times, home-grown systems SaaS platforms (e.g. … with minimal hand-holding, in a demanding BAU + project environment. What Youll Be Doing For each acquired business, analyse legacy source systems (often undocumented) Understand and interrogate data models at source and target (D365/Dynamics) Perform source-to-target mapping Extract, cleanse, transform, and load ...

Business Systems Analyst Location: Cullompton About Us: Welcome to Gregory Distribution Ltd, where technology and logistics come together to drive operational excellence. As part of our commitment to continuous improvement, we are undertaking a group-wide IT equipment upgrade. Join our dynamic Technology Team and be part … project that will modernise and enhance our IT infrastructure across the UK. Job Description: Join our dynamic Technology team as an IT Business Systems Analyst , where you'll play a pivotal role in shaping and supporting the systems that drive our visionary logistics solutions. This is more than ...

includes: Oversight of infrastructure, networks, cloud services, and business-critical applications, ensuring secure and reliable operations. Support for both legacy and modern systems, including ERP, CRM, Sage, Microsoft 365, and specialist software. Management and liaison with external providers, contractors, and internal teams to deliver IT solutions, support … user provisioning, group policies, account decommissioning, and organisational structure management. Configure and manage VLANs, switches, routers, firewalls, and wireless networks. Administer and support telephony systems, including Avaya onsite PBX, VoIP services, and phone recording/information requests. Provide support for audio-visual equipment, conferencing systems, and meeting room ...

autonomy over where you work from? You'll take the lead in defining the technical future, steering the transition from legacy PHP systems to a modern, scalable platform built with Laravel, InertiaJS, and Vue 3. With solid groundwork already in place, you'll have real freedom … next generation of our products. This role would suit an experienced Lead PHP developer who's ready to step beyond maintaining legacy systems and help build something modern, scalable, and genuinely impactful. If you're excited by the idea of using your technical skills to support ...

autonomy over where you work from? You'll take the lead in defining the technical future, steering the transition from legacy PHP systems to a modern, scalable platform built with Laravel, InertiaJS, and Vue 3. With solid groundwork already in place, you'll have real freedom … next generation of our products. This role would suit an experienced Lead PHP developer who's ready to step beyond maintaining legacy systems and help build something modern, scalable, and genuinely impactful. If you're excited by the idea of using your technical skills to support ...

autonomy over where you work from? You'll take the lead in defining the technical future, steering the transition from legacy PHP systems to a modern, scalable platform built with Laravel, InertiaJS, and Vue 3. With solid groundwork already in place, you'll have real freedom … next generation of our products. This role would suit an experienced Lead PHP developer who's ready to step beyond maintaining legacy systems and help build something modern, scalable, and genuinely impactful. If you're excited by the idea of using your technical skills to support ...

autonomy over where you work from? You'll take the lead in defining the technical future, steering the transition from legacy PHP systems to a modern, scalable platform built with Laravel, InertiaJS, and Vue 3. With solid groundwork already in place, you'll have real freedom … next generation of our products. This role would suit an experienced Lead PHP developer who's ready to step beyond maintaining legacy systems and help build something modern, scalable, and genuinely impactful. If you're excited by the idea of using your technical skills to support ...

team of 50+ engineers and product professionals and manage a multi-million-pound technology budget. The technology estate includes legacy and modern systems (Delphi, .NET, Go, AWS, SQL Server). A serverless AWS migration is under evaluation, supported by an AI-driven PoC - you will decide … regulated vertical SaaS Background in investor-backed or portfolio-owned software businesses Practical exposure to AI-augmented development approaches Experience modernising legacy systems using code-as-data or knowledge graph techniques Chief Technology Officer (CTO) Location: Buckinghamshire - (2 Days week in office ...

scale insurance carriers. This role is critical in ensuring seamless connectivity between Insurance platforms (e.g., Guidewire PolicyCenter, BillingCenter, ClaimCenter, Reinsurance Management) and external enterprise systems, InsurTech platforms, regulatory bodies, and cloud environments. Key Responsibilities: Integration Architecture & Solution Design Architect scalable, high-performance, and secure integration solutions for Insurance policy … real-time claims validation, risk modeling, and actuarial data processing. Lead legacy modernization efforts, defining data migration strategies from on-prem core systems to insurance platforms. Design and implement Guidewire Edge APIs, GX Models, Messaging Framework, and Integration Gateway for external system connectivity. Optimize performance, security ...

just advise from the sidelines Technical Environment Multiple platforms and applications AWS and Azure cloud environments Mix of legacy and modern systems Mainframe experience is beneficial Cloud-native and modern applications DevOps skills and mindset are highly desirable About You Proven experience as a Senior … Coach/Consultant Strong background in transforming ops teams and operating models Comfortable working with both modern cloud platforms and legacy systems Excellent stakeholder engagement and coaching skills Passionate about culture change and building sustainable SRE practices Collaborative, pragmatic, and outcome-focused Why Join? This ...

global client, operating multiple business lines, is hiring a Group People Technology Manager to own its people technology strategy and HR systems landscape. This high-impact role sits at the heart of the People function, driving digital transformation, employee experience and HR data insights. Key Responsibilities Technology Strategy & Delivery … Lead the development and execution of a global people technology roadmap. Act as the technical expert across all HR systems, supporting escalations and representing technology needs in planning forums. User Experience & Process Improvement Drive system integration and automation to improve employee experience and data flow. Lead enhancements and tooling ...