201 to 225 of 243 Legacy Systems Jobs in the UK

SharePoint Framework). Integrate Microsoft 365 services including Teams, OneDrive, Azure AD, and Exchange Online. Migrate content from legacy SharePoint or file systems into SharePoint Online. Create reusable templates, components, and governance-aligned solutions. Troubleshoot and resolve issues across SharePoint and Microsoft 365 applications. Ensure solutions follow ...

SharePoint Framework). Integrate Microsoft 365 services including Teams, OneDrive, Azure AD, and Exchange Online. Migrate content from legacy SharePoint or file systems into SharePoint Online. Create reusable templates, components, and governance-aligned solutions. Troubleshoot and resolve issues across SharePoint and Microsoft 365 applications. Ensure solutions follow ...

Manager to take a leading role. This is a rare opportunity to drive a complex, multi-country rollout, moving from legacy ERP systems to Oracle Fusion Cloud across Finance and SCM , impacting over 12 countries globally with a strong European focus. The Role You’ll be responsible ...

Agile Business Analyst - Enterprise Legacy Rebuild | Microservices | Cloud | .NET | React Are you an Agile Business Analyst who loves tackling complexity and shaping modern solutions that transform how organisations work? This is a rare opportunity to join a high-performing development team undertaking a full enterprise rebuild … complex, business-critical legacy application , replacing it with a modern, scalable platform built on today's best engineering practices. About the Role We're looking for a proactive, collaborative Agile Business Analyst to guide requirements, clarify business needs, and ensure value-driven delivery throughout a major transformation initiative. ...

leading companies modern application ecosystem, then please, do read on! This role requires strong expertise across cloud infrastructure, backend microservices, frontend development, and legacy system support. The ideal candidate will possess comprehensive skills in all these areas, ensuring a well-rounded and robust contribution to our technology landscape. … .NET application support Ideal Candidate Profile Comfortable working across cloud infrastructure, backend services, and front-end applications. Able to take ownership of systems end-to-end, from architecture to deployment. Strong documentation habits and the ability to communicate clearly with technical and non technical stakeholders. A collaborative ...

leading companies modern application ecosystem, then please, do read on! This role requires strong expertise across cloud infrastructure, backend microservices, frontend development, and legacy system support. The ideal candidate will possess comprehensive skills in all these areas, ensuring a well-rounded and robust contribution to our technology landscape. … .NET application support Ideal Candidate Profile Comfortable working across cloud infrastructure, backend services, and front-end applications. Able to take ownership of systems end-to-end, from architecture to deployment. Strong documentation habits and the ability to communicate clearly with technical and non technical stakeholders. A collaborative ...

looking for a regulatory specialist with knowledge of SAP and experience or interest in a systems and process development role. Your role will be to develop and automate regulatory processes to support the wider product stewardship team and ensure optimum use of the system and the data. This … central role with responsibility for developing harmonised regulatory systems and processes across the global business. You will: lead the implementation of new functionality (eg substance volume tracking) ensure all regulatory developments are understood and implemented act as process subject matter expert provide user training to regulatory colleagues ensure ...

customer-facing role. This position suits a Senior Infrastructure Architect from an IT MSP or Consultancy background, used to working across everything from legacy on-prem environments through hybrid estates to modern cloud-first platforms. What youll be doing As a Senior Infrastructure Architect, you will work directly … performance, and scalability Given the MSP client base, the successful Senior Infrastructure Architect must be confident modernising mixed estates while supporting business-critical legacy systems. What were looking for: Strong experience producing high-quality HLDs and LLDs Clear commercial awareness and comfort with design trade-offs Confident presenting ...

month in the office in London We are seeking a Senior Delivery Manager with a strong background in retail with experience in integrating legacy and mainframe applications into modern WMS platforms, managing large offshore delivery teams through third-party SIs and maintaining rigorous financial discipline across a multi … time zones. Key Skills & Qualifications: Proven experience as a Delivery Manager on large-scale application integration programmes, specifically integrating legacy or mainframe systems into modern platforms. Demonstrable experience with Azure and mainframe application environments. Direct experience with Warehouse Management Systems (WMS). Retail, FMCG, supply chain ...

seeking an experienced Contract PHP Developer to lead delivery. You will play a key role in transitioning a live production system from a legacy session-based model to a modern OAuth2/OIDC-based architecture, leveraging a third-party identity provider. This is a hands-on, high-impact … Okta, Cognito, Descope, etc.), including Infrastructure as Code configuration Strong experience designing end-to-end authentication architectures Demonstrated experience migrating legacy authentication systems (sessions tokens) Strong backend engineering experience with Laravel or similar PHP frameworks Experience integrating authentication into SSR frontends (Vue.js preferred) Solid understanding of RBAC ...

managing full lifecycle SAP implementations from Discovery & Design through to UAT, Cutover and Go-Live supporting the migration from legacy ERP systems to a unified SAP platform. You will also lead targeted SAP optimisation initiatives, working closely with an established in-house SAP team and trusted delivery ...

continuous improvement Influence long-term technology strategy by developing patterns, frameworks, and reusable architectural approaches Support the transformation of legacy and monolithic systems into modern, cloud-native ecosystems Your Profile Essential skills/knowledge/experience: Proven experience in solution architecture and engineering, with a strong track … delivery, and design principles Experience architecting modern ecosystems to support the transformation of monolithic applications Strong understanding of event-driven architectures, APIs, and distributed systems Ability to define and embed patterns, standards, and engineering practices across teams Excellent storytelling and communication skills, able to articulate architectural vision and gain ...

Technical Specialist to support a major CRM transformation programme. This role will work closely with the CRM SME on the data migration from Legacy CRM platforms and the build of new services within a modern, cloud-based IT landscape. The successful candidate will be a hands-on technical … Strong database expertise, including: Oracle PostgreSQL Proven experience delivering end-to-end CRM/application development Hands-on experience with data migration and Legacy system decommissioning Experience working with CRM platforms (Siebel experience highly beneficial) Solid understanding of modern integration architectures, including: AWS APIs Kafka integrations Experience integrating ...

Lead end to end project management of Windows Server upgrade activity including estate discovery, upgrade planning, dependency management, testing, cutover, and decommissioning of legacy operating systems. • Work closely with Infrastructure, Operations, Application Owners, Architecture, and Information Security teams to confirm scope, upgrade approach, and non functional requirements such … migration activity ensuring clear runbooks, tested rollback plans, and approved maintenance windows are in place. • Identify and manage risks associated with unsupported operating systems, application compatibility, service availability, and security exposure. • Oversee third party vendors and partners supporting upgrade or remediation workstreams, ensuring delivery aligns with scope and quality ...

complex workflows. What you'll do Design, build and maintain end-to-end features across frontend and backend Architect scalable, secure and maintainable systems for private banking/institutional use cases Own key technical decisions, balancing delivery speed with long-term quality Build APIs, services, data models and modern … working as the team grows What we're looking for 8-12+ years' experience as a full-stack or senior engineer owning production systems Strong experience building modern web applications across frontend and backend Frontend expertise with modern frameworks (React, TypeScript or similar) Strong backend experience (Node.js, Java ...

payroll product from a specialist software company, the business is now investing heavily in a brand-new payroll platform that will replace its legacy system and power the next phase of growth. This is a rare opportunity to join a newly formed product team working on a greenfield … platform • Defining feature priorities and identifying product gaps • Working closely with engineering, payroll experts and leadership • Supporting customer migration from legacy payroll systems • Ensuring UK payroll legislative compliance • Using product metrics and customer insight to guide decisions • Enabling sales teams to win new customers and upgrade existing ...

enterprise‐grade security and compliance controls aligned with banking-sector regulatory expectations. The successful candidate will work onsite within a regulated environment, ensuring all systems adhere to strict audit, security, and change‐management standards . Job Description: Key Responsibilities Windows Engineering (Banking Environment) Lead the design, engineering, and lifecycle … rules, and security policies with strict adherence to change-control procedures . Support co-management scenarios with MECM/SCCM , where required within legacy systems. Device & Image Management Maintain a secure, version-controlled Windows image for regulated environments, ensuring: Risk-assessed image changes Comprehensive audit documentation Traceable approval ...

Integration Delivery Lead - Oracle Fusion/Workforce Systems Contract£800 per day, Inside IR35London (Hybrid - 3 days onsite) Long-term contract until 2027NPPV2 & CTC required We are recruiting for an experienced System Integration Delivery Lead to join a major enterprise transformation programme replacing legacy ERP and other … systems with Oracle Fusion Cloud and a modern workforce management platform. This is a senior technical leadership role responsible for ensuring robust integration between platforms within a complex multi-vendor delivery environment supporting a large workforce. Key Responsibilities Lead the end-to-end integration between the workforce management platform ...

platform) The broader engineering environment includes: • AWS • CI/CD pipelines • Automated testing frameworks You’ll be working on long-lived product systems rather than short-term project work. What They’re Looking For You’ll likely be a Senior, Lead or Principal Front End Engineer who enjoys staying … SaaS platforms • Involvement in front end architecture decisions • Experience mentoring or guiding other engineers • A pragmatic approach to improving legacy or evolving systems Engineers from product or platform environments will be a particularly good fit. Working Pattern This role is almost fully remote. The team meets once ...

hands-on software engineering experience and the ability to engage deeply in technical discussions and solution design. Experience modernising legacy or monolithic systems into scalable, cloud-native ecosystems. Ability to clearly articulate architectural vision and gain stakeholder alignment. Experience defining practical engineering standards, patterns, and delivery practices. ...

Property Gazetteer (LLPG) Specialist to support the delivery of our new customer experience platform. During the migration from legacy regulatory services systems to the Arcus (Salesforce-based) platform , a substantial number of addresses did not align with the authoritative data within our LLPG . This role will ...

supported applications. Contribute to steady-state improvements across applications, process efficiency, and service quality. Profile: 1-4 years' experience in Application Support, IT Support, Systems Support, or similar technology roles. Basic understanding of SQL, including reading and running simple queries. Ability to work with and interpret JSON files. Experience … reviewing and analysing log files. Understanding of application process flows and how systems interact. Knowledge of ITIL practices (certification desirable). Strong communication skills and the ability to work with users at all levels. A proactive and curious mindset, with a willingness to learn new applications and technologies. Previous ...

customer experience platform. You will review, resolve, and help prevent these discrepancies in data from the migration of data from the legacy regulatory services system into the new Arcus (Salesforce-based) platform.. This is a key role ensuring the quality, consistency, and reliability of address and property data … standards, including: BS 7666 (spatial datasets and geographical referencing standards) GeoPlace Street Naming & Numbering Code of Practice Strong working knowledge of GIS and LLPG systems (any major platform considered). Experience using digital mapping tools and geospatial analysis software. Expertise in data cleansing, validation, transformation, and problem identification. Excellent ...

time off in lieu). Your projects will include: Developing a new Contact Management System (CMS) and managing the decommissioning of the existing legacy system. Overseeing implementation and enhancement of a Microsoft 365 Business Central accounting system, including changes to the fixed asset register. Managing the deployment … collaborative, adaptable, and solutions-focused approach. Excellent planning, organisation, and problem-solving abilities. Desirable:. Certified AgilePM Practitioner. Previous experience as a Business or Systems Analyst. If you’re an organised, driven project professional who thrives on delivering impactful technology change, we’d love to hear from you. Please ...

seeking a Programme Manager to lead on a multi-year retail modernisation programme. This engagement focuses on delivering a new platform to replace legacy systems. Programme Manager Responsibilities: Lead on a complex, multi-vendor programme delivering large-scale platform modernisation Oversee multiple … concurrent workstreams, ensuring alignment to a single governance model Deliver programme governance, reporting, and stakeholder communication at senior level Manage complex interdependencies across vendors, systems, and migration activities Drive programme performance through KPIs, risk management, and budget oversight Facilitate decision-making and remove delivery blockers across teams Engage ...