51 to 75 of 227 Legacy Systems Jobs in the UK

standards, governance, and design patterns Driving Microsoft‐first architecture across cloud, data, integration, and business platforms Leading architecture alignment across digital, operational, and business systems Translating business strategy into scalable, secure technical solutions Acting as a trusted advisor to senior leadership on technology direction and investment Technology Landscape This … Modern Data Platforms (Azure Data Services, data governance, analytics) API‐first & event‐driven architectures Enterprise‐scale integration across SaaS and legacy systems Key Responsibilities Define and govern the architecture roadmap aligned to business priorities Lead architectural design across D365 solutions and Microsoft cloud platforms Establish best practices ...

standards, governance, and design patterns Driving Microsoft‐first architecture across cloud, data, integration, and business platforms Leading architecture alignment across digital, operational, and business systems Translating business strategy into scalable, secure technical solutions Acting as a trusted advisor to senior leadership on technology direction and investment Technology Landscape This … Modern Data Platforms (Azure Data Services, data governance, analytics) API‐first & event‐driven architectures Enterprise‐scale integration across SaaS and legacy systems Key Responsibilities Define and govern the architecture roadmap aligned to business priorities Lead architectural design across D365 solutions and Microsoft cloud platforms Establish best practices ...

trusted technology partner to major NHS Trusts , with its platform now widely used by clinicians across the UK. Replacing outdated legacy systems with intuitive, user-centric tools, they are improving how healthcare teams operate and ultimately enhancing patient outcomes. With multiple industry awards , major contracts secured … platform and wider engineering function. Youll join a high-performing team of 20+ engineers , working on a mix of greenfield and evolving systems , contributing across a full-stack, microservices architecture . This is more than just a coding role its an opportunity to build technology that directly improves lives ...

person leadership position based at our Leeds HQ. You'll lead the engineering organisation responsible for BigChange's full product suite — from the legacy monolith to our rapidly evolving microservices platform and mobile applications — while embedding an AI-First engineering culture that makes every engineer more capable, every … companies you understand how engineering decisions compound into product and commercial outcomes.* Comfort with complexity — you've navigated hybrid environments combining legacy systems and modern platforms, and you've made that transition well.* Strong presence and communication — you lead in person, you build trust quickly ...

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 … 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 environments Modernising ...

deliver scalable, cloud-native platforms that power enterprise-grade products. The organisation works with major enterprise and regulated clients to modernise legacy systems, build new digital platforms, and deliver high-performance cloud solutions at scale. This is a hands-on engineering role where you will work across … full lifecycle — from design through to deployment and live operations — building serverless, event-driven systems on AWS. You’ll be part of a cross-functional team working closely with product, platform, and DevOps engineers, with real ownership of technical delivery. What you’ll be doing AWS Cloud Engineering Designing ...

inside Job Description: Borders & Trade within the client are poised for a noteworthy transformation, exploring the opportunity to move away from legacy systems built on the Ingres database and OpenROAD technology. The intention is to transition from older infrastructure, ease licensing limitations, and begin a new chapter … skills. Familiarity with tools such as Azure DevOps and Jira. Ability to manage complex dependencies and environments. Desirable Experience with migration programmes and legacy system replacement. Knowledge of the client MU frameworks and governance. Exposure to low-code/no-code platforms and modernisation initiatives. Experience and knowledge ...

intersection of AI strategy, technical consulting and presales engagement, working directly with airline customers to identify opportunities where AI can modernise legacy systems, automate operational processes and deliver measurable commercial value. Key responsibilities Act as the AI lead within presales and customer-facing engagements across the aviation ...

sprint goals. Your new development will be done within a Microservices architecture, but you will also be contributing to our legacy systems while we are in the transition period. Our stack runs on Azure including Front Door, App Services, Application Insights, and App Configuration with SQL Server ...

service performance, resilience and risk management, working with Technology to meet agreed service levels. Lead major digital change, including modernising legacy systems and improving integrations and data quality. Sponsor innovation where it adds value (including AI and automation), running controlled trials and scaling what works. Manage budgets ...

confidence. DWP is expanding its automation capability, using modern technologies such as cloud-native APIs and emerging Agentic AI, alongside RPA for legacy systems. You'll contribute to building new solutions from the ground up, strengthening your coding fundamentals while gaining practical experience with AWS and automation platforms. ...

your career at the intersection of technology, mathematics, and finance? Join an elite global trading firm where innovation drives everything—no legacy systems, no bureaucracy, just cutting‐edge tech and world‐class mentorship. You’ll work on greenfield projects from day one, collaborating with exceptional engineers, quants … researchers to build the systems and models shaping the future of global trading. The Role Depending on your track, you will focus on engineering high-performance systems or developing sophisticated mathematical models, all while learning how technology powers global markets. Key Responsibilities Designing and enhancing advanced trading systems ...

inside IR35, initially until the end of the year. Developing and maintaining data pipelines to ingest data from legacy systems and operational platforms into the Azure Lakehouse environment. Designing and implementing data transformation processes using Databricks, supporting Bronze, Silver, and Gold data layers in line with Medallion … other reporting tools. Ensuring data quality, consistency, and integrity through automated validation, monitoring, and testing processes. Supporting data migration activities from legacy platforms to cloud native Azure services. Contributing to the adoption of engineering best practices, including CI/CD, Infrastructure as Code, automated testing, and version control. ...

business services organisation, is seeking an experienced HRIS & Payroll Programme Manager to lead a major transformation programme consolidating and standardising HR and Payroll systems across its UK business. This is a critical leadership role responsible for delivering a complex, multi-workstream programme transitioning multiple legacy systems … ensure adoption The successful candidate will have proven experience delivering end-to-end HRIS and Payroll transformation programmes in complex organisations. Strong expertise in systems such as SuccessFactors, Workday, or Oracle HCM is essential, along with deep knowledge of payroll integration, data migration, and UK payroll compliance .You will ...

business services organisation, is seeking an experienced HRIS & Payroll Programme Manager to lead a major transformation programme consolidating and standardising HR and Payroll systems across its UK business. This is a critical leadership role responsible for delivering a complex, multi-workstream programme transitioning multiple legacy systems … ensure adoption The successful candidate will have proven experience delivering end-to-end HRIS and Payroll transformation programmes in complex organisations. Strong expertise in systems such as SuccessFactors, Workday, or Oracle HCM is essential, along with deep knowledge of payroll integration, data migration, and UK payroll complian ce.You will ...

need Engineers to support the transformation and the future growth of the business, simplifying our IT architecture by removing our legacy systems and delivering new solutions providing market-leading services for our colleagues, customers and advisers. What you'll do The Engineer is responsible for the design … decision-making skills. Excellent time and self-management through effective planning & prioritisation of tasks Desirable Skills: Azure PaaS M-Files Experience with distributed systems (SOA, Microservices) Benefits of working at Canada Life We believe in recognising and rewarding our people, so we offer a competitive salary and benefits package ...

Level 1 (Level 2 desirable) Experience delivering enterprise-scale integrations Integration experience with Salesforce, SAP, ServiceNow, AWS/Azure, databases, and legacy systems Knowledge of API security (OAuth 2.0, JWT, mTLS/SSL/TLS) Familiarity with CloudHub v2.0, Runtime Fabric, and hybrid architectures Why Apply Fully ...

Level 1 (Level 2 desirable) Experience delivering enterprise-scale integrations Integration experience with Salesforce, SAP, ServiceNow, AWS/Azure, databases, and legacy systems Knowledge of API security (OAuth 2.0, JWT, mTLS/SSL/TLS) Familiarity with CloudHub v2.0, Runtime Fabric, and hybrid architectures Why Apply Fully ...

enterprise-grade solutions across cloud, hybrid and on-prem environments. Working alongside experienced architects, youll help shape modern architectures connecting legacy systems with emerging technologies, including AI. This is a client-facing role with strong progression into a fully-fledged Solution Architect position. Key Responsibilities Contribute ...

enterprise-grade solutions across cloud, hybrid and on-prem environments. Working alongside experienced architects, you’ll help shape modern architectures — connecting legacy systems with emerging technologies, including AI. This is a client-facing role with strong progression into a fully-fledged Solution Architect position. Key Responsibilities Contribute ...

understanding of working in secure, regulated, or classified environments Ability to work effectively within structured delivery frameworks Desirable Experience with large-scale or legacy system migration to cloud Knowledge of data governance, security, and compliance in public sector environments This role offers an immediate start for the right ...

contribute to the development of smart contracts and core components. Integration & Scaling: Define API layers, node data flows, and enterprise integration patterns for legacy systems. Security & Governance: Implement strict security best practices (key management, node communication) and define data privacy and access models (GDPR, KYC/AML compliance ...

help shape the future of their flagship platform. This is a genuine opportunity to build software from the ground up rather than maintain legacy systems. Working within a highly collaborative engineering team, you'll develop scalable applications using TypeScript, modern JavaScript frameworks and cloud technologies, while influencing architecture ...

range of transformational projects for clients, mainly within the financial services sector and with a focus on Kafka messaging, migrating legacy systems to AWS and introducing CI/CD pipelines and cloud deployments. You'll join a collaborative team with a focus on engineering best practice … continuous improvement of client systems; you will have lots of business and client exposure and continual learning and development opportunities. Location/WFH: There's a hybrid work from home policy with three days a week in the London, City office (or at client sites), you'll join ...

delivery discipline. You will take ownership of a transformation spanning Microsoft Dynamics 365 ERP (Essential), enterprise data, AI capability, business process improvement, and legacy system retirement. Working closely with Executive leadership and senior stakeholders, you will ensure technology investments deliver measurable operational and commercial outcomes.The Role As Digital … Suppliers & Legacy • Manage system integrators, consultancies, and delivery partners • Hold suppliers accountable for outcomes and timelines • Drive retirement of legacy systems and manual processes • Support transition to a simplified technology landscapeAbout You You are a hands-on transformation leader comfortable operating in fast-paced environments ...