26 to 50 of 210 Legacy Systems Jobs in England

well-regarded organisation to recruit an HR Data Migration Analyst to support a key transformation programme, migrating people data from legacy systems into SAP SuccessFactors. This is an excellent opportunity to play a central role in a high-profile data migration project, working closely with stakeholders across … transition of HR data into the new system environment. Key responsibilities will include: Data mapping and data modelling across legacy and target systems Data reconciliation and business validation activities Identifying and analysing data defects, errors and inconsistencies Supporting data remediation and cleansing activities Managing your own workload ...

Avanti Recruitment is working with a growing, technology-led business based in Slough, that is undergoing a major systems transformation. As part of this programme, they are looking to hire a Senior .NET/C# Developer to play a key role in evolving a large-scale legacy … projects Agile environments CI/CD practices Testing experience (TDD is a bonus) Exposure to cloud (AWS preferred) Desirable: Experience migrating legacy systems React or JavaScript exposure Experience introducing testing, deployment improvements or modern engineering practices into existing systems would be highly advantageous. AI Exposure/ ...

delivering a modern enterprise data platform. This is an opportunity to join a business undergoing significant data transformation, moving from legacy systems and manual processes to a scalable, automated, cloud-first architecture. You will be responsible for defining architectural standards, driving best practices, and enabling engineering teams … Star Schema patterns, Snowflake object hierarchies, and governance frameworks. Design scalable integration architectures for legacy platforms, including AS400, iSeries, and SQL-based systems, ensuring robust reconciliation, auditability, and incremental data loading capabilities. Architect modern data pipelines leveraging Snowflake and orchestration technologies, ensuring reliability, scalability, idempotency, and effective ...

Avanti Recruitment is working with a growing, technology-led business based in Slough, that is undergoing a major systems transformation. As part of this programme, they are looking to hire a Senior .NET/C# Developer to play a key role in evolving a large-scale legacy … projects Agile environments CI/CD practices Testing experience (TDD is a bonus) Exposure to cloud (AWS preferred) Desirable: Experience migrating legacy systems React or JavaScript exposure Experience introducing testing, deployment improvements or modern engineering practices into existing systems would be highly advantageous. AI Exposure/ ...

Dynamics and Power Platform solutions.Your new role Translate complex business requirements into scalable, secure, and maintainable designs Architect integrations between Dynamics 365 and external systems Leverage Power Platform and Azure services (Logic Apps, Functions, Service Bus, API Management) Design and oversee CI/CD pipelines and release automation Ensure … D365 implementations Experience managing multi-environment deployments (Dev, Test, UAT, Prod) Strong integration experience with Azure services and legacy systems Ability to design scalable data models (Dataverse/SQL) Expertise in: C# plugins, custom workflows, JavaScript Power Apps (Model-Driven & Canvas) Power Automate Dataverse design and optimisation ...

Power Platform solutions. Your new role Translate complex business requirements into scalable, secure, and maintainable designs Architect integrations between Dynamics 365 and external systems Leverage Power Platform and Azure services (Logic Apps, Functions, Service Bus, API Management) Design and oversee CI/CD pipelines and release automation Ensure … D365 implementations Experience managing multi-environment deployments (Dev, Test, UAT, Prod) Strong integration experience with Azure services and legacy systems Ability to design scalable data models (Dataverse/SQL) Expertise in: C# plugins, custom workflows, JavaScript Power Apps (Model-Driven & Canvas) Power Automate Dataverse design and optimisation ...

from you. Required education None Preferred education Bachelor's Degree Required technical and professional expertise Extraction transformation and loading (ETL) of data from legacy system (mainly Oracle eBS) to Oracle Fusion ERP and HCM. Data mapping cleansing and validation processes to ensure accuracy and consistency. Troubleshoot data migration ...

Build workflows and automation using Power Automate. Implement plugins, custom APIs, and Dataverse extensions for advanced functionality. Integration & Extensibility Integrate D365 with external HR systems and microservices via REST APIs, and custom connectors. Manage data migration from legacy systems ensuring integrity and consistency. Optimize performance ...

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 ...

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 ...

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 ...

Description Main Purpose: Design, define, and lead architecture across corporate platforms, including Finance (reporting, audit, and controls), HR, Property, Legal, and other back-office systems, to modernise and evolve enterprise capabilities across the retail business. Provide strategic architectural leadership across ERP, core finance, and corporate platforms, enabling the organisation … progressively evolve from legacy systems (e.g. Oracle EBS) toward modern, scalable, and integrated enterprise solutions, while ensuring resilience and stability of the existing estate in the interim. Act as the design authority for corporate platforms, guiding incremental modernisation while shaping the long-term ERP and corporate systems ...

platforms and datasets are reliable, performant, and ready to support analytics and business intelligence. Lead hands-on data mapping activities from legacy systems into Databricks, considering downstream analytics requirements including Tableau and future AI-driven use cases such as Mulesoft IDP and Data360/Agentforce. Support … similar cloud-based data platforms. Demonstrable experience designing and building production-grade data pipelines. Experience working with data migration and mapping from legacy systems. Strong understanding of data modelling, transformation, and data engineering principles. Experience supporting analytics and reporting platforms such as Tableau. Desirable: Experience working with Salesforce ...

exciting transformation journey. With over 30 years of domain expertise, we are introducing a new API driven architecture alongside our existing Legacy system and are looking for a Senior Software Engineer to play a key role in that evolution. We are seeking an experienced C# Backend Developer … development Proven experience designing and building RESTful APIs Strong understanding of API architecture, design patterns, security, and auditing Experience modernising Legacy systems Strong SQL Server/database experience Experience working with distributed systems or service-oriented architectures Strong communication and problem-solving skills Experience working within ...

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 . ...

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 ...

Description 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-management … 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 ...

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 … 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 clear, actionable technical specifications. Oversee ...

testing, version control (Git), & code review workflows. Hands‐on CI/CD experience — building, configuring, or maintaining automated build & deployment pipelines. Experience modernizing legacy software — migrating codebases from older languages or frameworks to current platforms, including UI/UX modernization. Senior Software Engineer Job Duties This … complex desktop & cloud applications using modern software engineering practices (design patterns, SOLID principles, automated testing, continuous integration/delivery). Modernize legacy systems — Lead migration of mature C/C++ codebases to modern languages, runtimes, & UI/UX frameworks while preserving scientific accuracy & performance. Leverage AI‐assisted ...

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 ...

investment management with the industry’s most comprehensive cloud-native platform for institutional investors across global public and private markets. While legacy systems create risk, inefficiency, and data fragmentation, Clearwater’s single-instance, multi-tenant architecture delivers real-time data and AI-driven insights throughout the investment ...

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 ...

software ecosystem across firmware, cloud, desktop, and mobile platforms. This is a high-impact role focused on improving architectural consistency, modernising legacy systems, and driving scalable IoT-style solutions across a complex engineering environment. You will work closely with engineering leadership and domain teams to define technical … direction, align technologies, and ensure systems evolve in a scalable and maintainable way. What Youll Be Doing Define end-to-end architecture across embedded devices, cloud, mobile, and desktop Drive architectural standards and major technical decisions Reduce technical debt and support legacy modernisation Align teams around scalable ...

engagements across client environments. This role focuses on shaping and delivering business and technology transformation initiatives, with particular emphasis on modernising legacy systems and services. The successful candidate will apply a user‐centred and design‐led approach across the full agile lifecycle, from Discovery through to Live … phases of delivery, from Discovery, Alpha, Beta through to Live. Facilitate and manage organisational change activities, working closely with users to embed new processes, systems and ways of working. Engage and influence senior stakeholders to build strong relationships, elicit critical information and support successful delivery outcomes. Identify opportunities ...