26 to 50 of 154 Legacy Systems Jobs in the UK excluding London

Server expertise to help design, build, and modernise enterprise Windows applications and services. You’ll play a key role in refactoring legacy systems into modern .NET solutions while contributing to future cloud migration projects. What you’ll be doing: • Developing and maintaining Windows applications and services • Refactoring … Azure DevOps, CI/CD, Git, Visual Studio and secure coding practices • Strong problem-solving and communication skills If you’re passionate about modernising systems, delivering high-quality software, and working on impactful projects this could be the role for you. Hybrid Role – Two days a week onsite. ...

Role We’re looking for experienced Senior Software Engineers who enjoy building scalable systems, working with cloud infrastructure, and delivering high-quality software in production environments. This role sits at the intersection of software engineering and cloud/platform work. You’ll be designing and building backend services using … with modern cloud platforms. It’s a strong fit for someone who takes ownership, is comfortable leading on technical decisions, and enjoys improving how systems are designed, built, and operated. What You’ll Be Doing Design, build, and maintain backend services using C#, TypeScript (Node.js), or Java Develop cloud ...

Head of Engineering to define and deliver the next phase of our technology strategy. You’ll help lead transformation initiatives, modernise legacy systems, and enhance our search functionality — ensuring performance, scalability, and innovation across the platform. What you’ll be doing day to day Partner with … Product Engineering to define the technical strategy, architectural direction, and transformation roadmap. Lead the design and optimisation of search systems , ensuring relevance, scalability, and reliability. Oversee the evolution of existing systems — maintaining and refactoring C# codebases Champion engineering best practices across security, performance, testing, and continuous delivery. Provide ...

serve analytics. The role You'll take full ownership of the Databricks Lakehouse and BI architecture, leading the migration away from legacy systems while building a clean, governed and scalable platform. This is not just a design role - you'll be deep in the detail , refactoring … optimising performance. What you'll be doing Design and implement a governed Databricks Lakehouse architecture (Unity Catalog, schemas, volumes) Lead migration of complex legacy SQL logic into modular, scalable pipelines Build and optimise data transformation frameworks using Spark/Python/SQL pipelines ...

principles Collaborate with business, functional and technical teams to define solutions Align to solution governance, architecture reviews, risk assessments and design validations Evaluate existing systems and recommend cloud migration and modernization strategies Ensure integrations of Oracle SaaS with legacy systems, third-party platforms and enterprise tools ...

Cloud transformation programme . This is a senior, high-impact role focused on designing scalable data architectures, enabling seamless migration from legacy systems, and ensuring robust data governance across enterprise platforms. Key Responsibilities: Data Architecture & Strategy Define and lead the enterprise data architecture strategy for Oracle Fusion … domains Data Migration & Integration Lead data conversion and migration activities using: Oracle FBDI ADFdi HDL REST/SOAP APIs Map legacy data structures to Oracle Fusion data models Design and implement integrations using: Oracle Integration Cloud (OIC) Oracle Data Integrator (ODI) Oracle Fusion Data Intelligence (FDI) Governance & Data ...

Systems & Support Analyst - Dynamics 365 Manchester/Hybrid - one day on site every 2 weeks 18 months+ A Dynamics 365 HCM/HR Systems & Support Analyst is required to support the implementation and ongoing management of our client's D365 HR platform. You'll act as the link … scripts and lead business users through testing phases. Security Design: Experience defining and maintaining custom security roles and permissions within D365. Strong HR systems and data knowledge Confident working with stakeholders and external suppliers Desirable: Data Migration Expertise: Experience mapping and migrating complex data sets from legacy ...

Strong experience in designing and delivering scalable, secure, and integrated enterprise solutions across procurement and supply chain platforms using modern cloud technologies and legacy systems. Expertise in AWS cloud architecture, including designing, implementing, and supporting large-scale cloud environments. Hands-on development background in technologies such as . ...

Proven experience as a Solution Architect within complex programmes Strong background in application modernisation and cloud migration Experience working with both legacy systems and modern cloud ecosystems Knowledge of technologies such as: AWS, Azure Kubernetes, HELM Java, JavaScript Oracle, MySQL Experience working in agile environments across full ...

live stability. Data Migration Support: Collaborate with data owners to define objects, cleansing rules, and validation logic for migration from legacy systems to S/4HANA. Testing & QA: Coordinate User Acceptance Testing (UAT), develop test scripts, and ensure that the solution meets defined business criteria. Change Management ...

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 ...

leadership experience across digital, data and technology, with organisation-wide accountability. o Proven ability to define, own & maintain a digital, data and technologyarchitecture across systems, infrastructure, data and integrations. o Strong understanding of solution architecture, including how systems, integrations, data flows, cyber security, user needs and operational requirements … line of sight between your leadership and real-world outcomes. You'll help make care safer, faster and more joined-up by ensuring our systems, data, governance and infrastructure are reliable, secure and fit for purpose. Senior influence with clear accountability You'll work closely with the CEO, Directors ...

deployed globally. Key Responsibilities Support the implementation and rollout of Microsoft Dynamics 365 Business Central across the business. Lead the migration of legacy data, ensuring data … cleansed, validated, and accurately transferred prior to go-live. Work with project teams to map data fields and business processes from legacy systems into the new ERP environment. Configure Business Central modules and reporting solutions aligned to approved business requirements. Create and execute test scripts within Azure ...

role Our client is looking to appoint a QA Analyst who can take real ownership of quality across a suite of business-critical systems, at a point where the organisation is evolving its technology landscape. This role will sit at the centre of that journey, balancing the ongoing support … working with data at a SQL level where required. The environment is Agile and includes a mix of enterprise and legacy systems, so you'll need to be comfortable adapting your approach depending on the context, while still maintaining a consistent level of quality. Beyond the core ...

high-performing team tackling some of the most technically demanding challenges in the defence sector. This isn't about maintaining legacy systems or shipping incremental updates - it's about building cutting-edge capability that operates at the edge, in the field, and under pressure. ## The Role … hardware environments, sensors, and robotics - the kind of engineering problems that push you to grow. You'll own code releases and deployments, support operational systems, and collaborate across disciplines to drive agile best practice into real-world solutions. ## What You'll Be Doing You'll work closely with ...

Lead Data Engineer Hands-on technical leadership building data systems that actually work We're looking for a Lead Data Engineer to join an enterprise data engineering capability and play a critical role in designing, building, and improving real-world data systems . This is not a line … engineers and adjacent roles through design decisions, code, and delivery support Improve data sharing, onboarding of new data sources, and interoperability across teams and systems Introduce and evaluate new tools, patterns, and technologies where they genuinely add value - balancing innovation with pragmatism Build robust, production-grade solutions , not proofs ...

D365 HR - Systems & Support Analyst Manchester/Hybrid - one day on site every 2 weeks 18 months+ A Dynamics 365 HCM/HR Systems & Support Analyst is required to support the implementation and ongoing management of our client's D365 HR platform. You'll act as the link … scripts and lead business users through testing phases. Security Design: Experience defining and maintaining custom security roles and permissions within D365. Strong HR systems and data knowledge Confident working with stakeholders and external suppliers Desirable: Data Migration Expertise: Experience mapping and migrating complex data sets from legacy ...

designing and building high‐quality applications using Java/JEE and modern web technologies. In this role, you will develop application features, integrate systems, and apply best‐practice engineering techniques such as dependency injection, TDD, and CI/CD. If you enjoy creating secure, dependable solutions and collaborating with … driven development. Develop secure, efficient data access using appropriate data access frameworks and transaction management. Support integration with wider enterprise and legacy systems common within Public Sector and Defence environments. Participate in DevOps‐aligned practices including CI/CD, automated testing, and version control. Troubleshoot and resolve ...

clear, engaging way to non-technical audiences Experience designing and delivering reporting solutions that drive business outcomes Desirable Experience working with legacy systems and integrating data from multiple sources Familiarity with Agile ways of working Awareness of data governance and regulatory requirements within housing About ...

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 ...

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 ...

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 ...

Avanti Recruitment is working with a growing, technology-led business based in Slough, that is undergoing a major systems transformation following a recent acquisition. As part of this programme, they are looking to hire a Senior .NET/C# Developer to play a key role in evolving a large … Server Refactoring and modernisation projects Agile environments CI/CD practices Testing methodologies such as TDD Cloud experience Desirable: Experience migrating legacy systems React or JavaScript exposure This is an opportunity to shape a long-term transformation programme, with high-level of technical ownership and influence. This ...

exceptional van callout (1 in 3-4) Requirements • 5 years in electronic security • Experience with enterprise and legacy systems • Competent with servers, firmware, commissioning & fault finding Systems Experience (some of) • Milestone Systems, Genetec, Avigilon • Gallagher, Lenel, Nedap • CCure, AMAG, S2 • 2N, Zenitel Profile • Strong ...

consistency . Collaboration: Work alongside Architecture and Cloud teams to ensure solutions are scalable and secure. Modernization: Drive the transition from legacy systems to VXLAN/EVPN fabrics and SD-WAN technologies. Essential Technical Skills (The 'Must-Haves') To be successful, you need deep, hands-on expertise … Nice-to-Haves') Aruba Central/ClearPass SD-WAN technologies SaaS and cloud-delivered WLAN/WiFi solutions Prior experience modernizing large-scale legacy public sector networks What This Role Is Not Not an Operations-only or monitoring role. Not a pure SRE role without deep networking roots. ...