1 to 25 of 233 Remote Legacy Systems Jobs in the UK

will be responsible for designing, building, and maintaining robust data infrastructure to support the organisations expanding data and analytics needs. This includes leading the migration of legacy systems to modern cloud-based platforms , managing APIs for seamless data exchange , and ensuring data quality, security, and reliability across all systems. Youll play a key role in developing and … optimising ETL pipelines , automating data workflows , and supporting integration between core business systems such as Microsoft Dynamics . Strong hands-on experience with Azure, SQL, and Python-based data engineering is essential. This is an excellent opportunity for someone who thrives in a scalable, acquisition-driven environment , enjoys solving complex data challenges, and wants to help shape the data … strategy of a dynamic, technology-focused business. What Youll Be Doing Lead and deliver data migration projects from legacy systems to modern, cloud-based environments. Design, develop, and optimise ETL pipelines and automated data workflows. Collaborate across IT and business functions to define data requirements and deliver efficient solutions. Manage and maintain data integrations and APIs for More ❯

of AWS technologies such as 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 you do. You’ll work closely … modern architectures, with proven experience 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 data to influence and improve More ❯

established business in Brentford is seeking an experienced BI Developer to join their BI & Data Team as they embark on a major transformation journey, moving from legacy systems towards a modern Microsoft ecosystem built on Azure and Fabric. The team operates mostly remotely, with office collaboration up to once per week alongside the wider BI & Data team … data models for performance and reusability Supporting governance, security, and compliance best practices in a modern data platform Tooling for migration and reconciliation of data from legacy systems or acquisitions Providing technical support and hands-on data engineering across the full stack We are looking for: Strong experience as a BI Developer, Data Engineer, or similar Hands … Solid background in database technologies (SQL), reporting tools (Power BI) Excellent communication skills to work across technical and non-technical teams Experience with migration projects (e.g., moving from legacy BI to Fabric) is desirable Knowledge of governance and security within Microsoft Purview is a plus You will be rewarded with: Salary up to £60,000 depending on experience More ❯

established business in Brentford is seeking an experienced BI Developer to join their BI & Data Team as they embark on a major transformation journey, moving from legacy systems towards a modern Microsoft ecosystem built on Azure and Fabric. The team operates mostly remotely, with office collaboration up to once per week alongside the wider BI & Data team … data models for performance and reusability Supporting governance, security, and compliance best practices in a modern data platform Tooling for migration and reconciliation of data from legacy systems or acquisitions Providing technical support and hands-on data engineering across the full stack We are looking for: Strong experience as a BI Developer, Data Engineer, or similar Hands … Solid background in database technologies (SQL), reporting tools (Power BI) Excellent communication skills to work across technical and non-technical teams Experience with migration projects (e.g., moving from legacy BI to Fabric) is desirable Knowledge of governance and security within Microsoft Purview is a plus You will be rewarded with: Salary up to £60,000 depending on experience More ❯

drive the evolution of our Player Account Management systems. Full-time Closes 03/12/2025 We are seeking innovative individual with proven experience in architecting complex software systems and a strong track record in stakeholder engagement, particularly within in fast-paced environments. Your expertise in Microsoft technologies, GoLang, Kubernetes, and cloud platforms will be invaluable as you … emerging technologies, and deliver scalable and reliable solutions. You will collaborate with Business stakeholders to translate requirements into a robust architectural vision, guiding the transformation of legacy systems into modern, cloud-based solutions This role is eligible for inclusion in the Company's hybrid working from home policy. Preferred Skills and Experience Demonstrable experience in a dedicated … Architect role, with a proven ability to design and deliver complex software systems in fast-paced environments. Demonstrated ability to produce vision documents and technical roadmaps from Business requirements. Experience with Microsoft technologies, such as VB.Net, WPF, C# and MSSQL Server, and successful migration to modern, cloud-based solutions. Detailed understanding of the architectural application of modern technology stacks More ❯

established business in Brentford is seeking an experienced BI Developer to join their BI & Data Team as they embark on a major transformation journey, moving from legacy systems towards a modern Microsoft ecosystem built on Azure and Fabric. The team operates mostly remotely, with office collaboration up to once per week alongside the wider BI & Data team … data models for performance and reusability Supporting governance, security, and compliance best practices in a modern data platform Tooling for migration and reconciliation of data from legacy systems or acquisitions Providing technical support and hands-on data engineering across the full stack We are looking for: Strong experience as a BI Developer, Data Engineer, or similar Hands … background in database technologies (SQL), and reporting tools (Power BI) Excellent communication skills to work across technical and non-technical teams Experience with migration projects (e.g., moving from legacy BI to Fabric) is desirable Knowledge of governance and security within Microsoft Purview is a plus You will be rewarded with: Salary up to £60,000 depending on experience More ❯

established business in Brentford is seeking an experienced BI Developer to join their BI & Data Team as they embark on a major transformation journey, moving from legacy systems towards a modern Microsoft ecosystem built on Azure and Fabric. The team operates mostly remotely, with office collaboration up to once per week alongside the wider BI & Data team … data models for performance and reusability Supporting governance, security, and compliance best practices in a modern data platform Tooling for migration and reconciliation of data from legacy systems or acquisitions Providing technical support and hands-on data engineering across the full stack We are looking for: Strong experience as a BI Developer, Data Engineer, or similar Hands … background in database technologies (SQL), and reporting tools (Power BI) Excellent communication skills to work across technical and non-technical teams Experience with migration projects (e.g., moving from legacy BI to Fabric) is desirable Knowledge of governance and security within Microsoft Purview is a plus You will be rewarded with: Salary up to £60,000 depending on experience More ❯

a Solutions Architect - Infrastructure & Cloud in the Technology Directorate, you would have: Led the design of a secure, scalable cloud platform to support the migration of legacy systems, enabling faster, more reliable services for users. Developed a cloud adoption roadmap that reduced operational costs while improving resilience and sustainability. Acted as a technical lead on a cross … by: Designing and assuring cloud and infrastructure solutions that align with CQC's digital strategy and enterprise architecture. Developing and maintaining infrastructure roadmaps, including transitions from legacy systems to modern platforms. Acting as the design authority for hosting, networking, identity, and platform services. Embedding security, resilience, and sustainability into all infrastructure designs. Collaborating with internal teams and More ❯

C, C# .NET, APIs, SQL and MVC frameworks within Visual Studio Design, develop and deploy integration solutions that connect the company’s automation platforms with customer ERP and business systems Work on internal projects to enhance and modernise the firm’s seamless integrations through the development of API driven solutions Provide regular support along with the rest of development … team in maintaining legacy systems when required Maintain and enhance Windows-based desktop applications (WinForms, WPF and VB.NET legacy systems) Collaborate with customers and internal teams to scope, design and deliver integration projects Build and maintain scalable data solutions leveraging SQL, XML and JSON Debug, optimise and deploy performance tune applications Produce accurate technical … JSON and XML data structures Desktop development experience in a Windows environment Experience using Git and JIRA for version control and tracking support tickets Experience configuring and implementing ERP systems highly advantageous Previous hands-on experience with web development languages and frameworks such as ASP.NET MVC, HTML and JavaScript About Express Recruitment Express Recruitment has been offering exceptional recruitment More ❯

benefits An established, financial services group is on the lookout for a Head of Data Engineering to lead their data platform transformation – a critical migration from legacy systems (SQL Server) to modern Azure cloud technologies. You’ll oversee a 40-person team of engineers (across the UK and offshore), guide delivery of critical regulatory and treasury projects … banking/financial services sector Strategic mindset with a delivery-focused leadership style Tech Environment: Azure Data Stack (Synapse, Databricks, Azure SQL, Power BI) SQL, Python Legacy systems primarily in SQL Server Interview Process: Initial 30-minute informal converdation 60-minute technical/competency interview with Engineering Managers Final 90 minute session with senior leadership (CDO, CTO More ❯

benefits An established, financial services group is on the lookout for a Head of Data Engineering to lead their data platform transformation - a critical migration from legacy systems (SQL Server) to modern Azure cloud technologies. You'll oversee a 40-person team of engineers (across the UK and offshore), guide delivery of critical regulatory and treasury projects … banking/financial services sector Strategic mindset with a delivery-focused leadership style Tech Environment: Azure Data Stack (Synapse, Databricks, Azure SQL, Power BI) SQL, Python Legacy systems primarily in SQL Server Interview Process: Initial 30-minute informal converdation 60-minute technical/competency interview with Engineering Managers Final 90 minute session with senior leadership (CDO, CTO More ❯

Join one of the UK's largest electrical wholesalers as we reimagine our technology for the digital age. We're modernising our legacy systems and building new platforms powered by AWS and AI - and we need creative minds to help us shape the future! About the Role We're looking for a Talent Acquisition Partner with a … we work. What you'll bring Proven experience in technology recruitment (either in-house or agency) with exposure to complex, hard-to-fill requirements. Previous experience using applicant tracking systems and ideally exposure to CRMs (we use LeverTRM). Deep understanding of the technology landscape - from engineering to emerging digital skills. Strong stakeholder management skills, with the confidence to … and a strong presence in the USA, Canada, Spain and Australia. Our IT and digital teams are driving the next chapter of our journey Re-engineering legacy systems, adopting modern cloud technologies and exploring AI to deliver faster, smarter and more connected customer experiences. We're a predominantly remote workforce with teams distributed across the UK, USA More ❯

Join one of the UK’s largest electrical wholesalers as we reimagine our technology for the digital age. We’re modernising our legacy systems and building new platforms powered by AWS and AI — and we need creative minds to help us shape the future! What You'll Do: We have a fantastic opportunity for a forward thinking … the face of IT with responsibility for raising, triaging and managing Incident, Service Request and Procurement tickets, as well as providing 1st Line support on a wide range of systems, applications and devices across UK, Ireland, Spain and Netherlands. As an IT Service Desk Team Lead, you will manage a team of Service Desk analysts, oversee daily operations, and … and a strong presence in the USA, Canada, Spain and Australia. Our IT and digital teams are driving the next chapter of our journey... Re-engineering legacy systems, adopting modern cloud technologies and exploring AI to deliver faster, smarter and more connected customer experiences. Our teams are distributed across the UK, USA, Canada, Spain and Australia. Our More ❯

Job Title: Systems Engineer Location: Plymouth - Hybrid - 2 days per week on-site Role Type: Permanent Salary: 40,000 - 60,000 depending on experience Our client, an established engineering consultancy, require an experienced Systems Engineer to join their multi-disciplined team based in Plymouth. Please note we can only consider sole UK Nationals (no dual nationalities) due to … security clearance restrictions What the role of the Systems Engineer entails: Some of the main duties of the Systems Engineer will include: Work collaboratively with engineering discipline leads to obtain engineering assistance required, define activities and jointly establish Statements of Work. Work collaboratively with the client leadership to ensure goals of engagement are fulfilled, new ideas are discussed … and problem definition are done effectively and collaboratively Support the development of technical documentation including requirement sets, interface definitions, V&V plans and logical architectures. Apply and promote practical systems thinking in support of infrastructure and facilities maintenance projects Compile and peer review project and technical reports. Workload Management - Workload planning, estimating & scheduling, support project coordination if part of More ❯

ways of working as part of Phase 2 of this Project. Our IT Infrastructure team covers the following areas: Fully responsible for managing the technology stacks Ensuring the underlying systems and data are secure and highly protected from malicious actors Ensuring the systems are available Managing 3rd party suppliers who assist us in supporting, developing and securing the … systems Manage the technical and security risk registers and, with a risk based approach, mitigate risks to the best of our ability Embed principles of best value and money saving into all technology decisions We’ve made a significant investment in our Microsoft suite and have transitioned services to Azure. We’re also building a cloud infrastructure to support … the Organisation’s mission critical data use improvement project. Our Infrastructure Systems Manager plays a crucial role in the development, support and maintenance of these systems, implementing the tools and technology we need as well as driving the reduction of IT costs where possible. This role is responsible for: Maintenance of technical infrastructure based on Microsoft technologies Automated More ❯

Job Summary Are you a systems developer looking to apply your skills in a role that truly makes a difference? NHS Blood and Transplant has an exciting opportunity to join our in-house development team in a supportive, inclusive environment where innovation and collaboration are valued. for Senior Systems Developer to join our in-house development team working … in a friendly and progressive environment. This role offers the chance to work with cutting-edge technologies, like MuleSoft, contributing to systems that support organ and tissue donation and transplantation across the UK. You ll help modernise legacy systems, manage servers both on-premises and in Azure cloud and contribute to DevOps practices. We re looking … building impactful technology. With flexible hybrid working and a culture that champions diversity, learning and personal growth, this is a meaningful career opportunity for developers who want to build systems that matter. Main duties of the job You will develop and deploy high-quality information systems, and applications using approved technologies. Your aim will be to produce and More ❯

HM Land Registry (HMLR) is undertaking one of the largest transformation programmes in government, modernising the digital systems that support over £7 trillion of property ownership. As a Senior Software Developer, you'll take a leading role in designing and delivering the systems and services that power this national infrastructure. Salary up to £60,800, 29% employer pension … Software Developer, you'll combine hands-on coding with technical leadership. You'll work in a multidisciplinary team of developers, testers, product managers and architects to build secure, scalable systems and help guide technical direction across your team. You'll also mentor colleagues and contribute to improving development processes and standards across the Software Development Practice. HMLR's Developers … work on a variety of projects that are central to their digital transformation. This includes rebuilding core registration and casework systems, geospatial data initiatives, developing new cloud-native services and modernising legacy applications into scalable, containerised solutions. If you would like to find out more about the role, The Software Development profession and what it's like More ❯

HM Land Registry (HMLR) is undertaking one of the largest transformation programmes in government, modernising the digital systems that support over £7 trillion of property ownership. As a Senior Software Developer, you'll take a leading role in designing and delivering the systems and services that power this national infrastructure. Salary up to £60,800, 29% employer pension … Software Developer, you'll combine hands-on coding with technical leadership. You'll work in a multidisciplinary team of developers, testers, product managers and architects to build secure, scalable systems and help guide technical direction across your team. You'll also mentor colleagues and contribute to improving development processes and standards across the Software Development Practice. HMLR's Developers … work on a variety of projects that are central to their digital transformation. This includes rebuilding core registration and casework systems, geospatial data initiatives, developing new cloud-native services and modernising legacy applications into scalable, containerised solutions. If you would like to find out more about the role, The Software Development profession and what it's like More ❯

establishing a right to work, or you are already employed by the NHS and would transfer to the pay point at the top of Band 7. Are you a systems developer looking to apply your skills in a role that truly makes a difference? NHS Blood and Transplant has an exciting opportunity to join our in-house development team … in a supportive, inclusive environment where innovation and collaboration are valued. for Senior Systems Developer to join our in-house development team working in a friendly and progressive environment. This role offers the chance to work with cutting-edge technologies, like MuleSof, contributing to systems that support organ and tissue donation and transplantation across the UK. Youll help … modernise legacy systems, manage servers both on-premises and in Azure cloud and contribute to DevOps practices. Were looking for someone who enjoys solving complex problems, values teamwork and is passionate about building impactful technology. With flexible hybrid working and a culture that champions diversity, learning and personal growth, this is a meaningful career opportunity for developers More ❯

code with precision At times you will be asked to shape epics and tickets yourself - always aligned with the CTO's direction Build new features, fix problems in old systems and keep everything running fast and reliable Work on a mix of greenfield projects and legacy systems - both matter and both need doing right About You … it gets messy Respectful - confident in your skills without arrogance Confident resilient pragmatic and results-driven Clear judgement and able to balance speed with quality Experienced in building new systems and fixing legacy Keeps calm under pressure and still delivers Raises the bar for those around them by example Working Style Execute CTO direction with precision Deliver …/CD and cloud hosting Architecture scalability performance tuning Education 2:1+ degree in Software Engineering Experience 7+ years in software engineering Proven ability to deliver independently on complex systems while aligning with overall technical strategy Please contact Alvin More ❯

I am on the lookout for an Enterprise/Solution Architect for a top 50 Law firm and will sit in the Business Systems team that ensures that core business applications and data platforms are reliable, scalable, and aligned with the firm's objectives. Acting as the link between business needs and technology delivery, the team drives digital transformation … estates, reduce technical debt and enable outstanding client and colleague experiences. Solution Design: Develop and design innovative technology solutions that address technical debt, modernise legacy systems, and create new digital products and services across both internal and client-facing initiatives. Strategy: Help set and deliver the firm's technology strategy, aligning solutions with business goals … Provide technical leadership and guidance throughout the project lifecycle, from concept to implementation, ensuring best practices and standards are followed. Integration: Ensure seamless integration of new solutions with existing systems and platforms, maintaining data integrity and security. Collaboration: Work closely with lawyers, clients, internal technical resources, and third-party suppliers to understand requirements, gather feedback, and ensure solutions meet More ❯

Hybrid) Salary £80,000 - £90,000 DOE About the Opportunity A trailblazer in the legal sector is seeking a Solutions Architect with a specialist focus on legacy systems transformation, API-centric design, and enterprise-scale data platform migration. The company is recognised for embracing cutting-edge technology and innovation, driving platform modernisation to support the professional services … architecture role offers the chance to lead on technology consolidation, shape future-state data and application landscapes, and set a clear roadmap for unifying and migrating core business-critical systems to modern SaaS and Azure-based solutions. Key Responsibilities Application Portfolio Mapping: Catalogue and document all enterprise systems, with focus on legacy platforms and complex business … portfolio rationalisation and IT modernisation projects in complex organisations. Strong hands-on experience with Azure and cloud-native integration strategies. Deep understanding of API design, data migration, and enterprise systems integration. Desirable Legal/FinTech/InsurTech/Professional Services sector experience. Experience with legal operations or industry-specific platforms (such as workflow and data processing tools). Certifications More ❯

Hybrid) Salary £80,000 - £90,000 DOE About the Opportunity A trailblazer in the legal sector is seeking a Solutions Architect with a specialist focus on legacy systems transformation, API-centric design, and enterprise-scale data platform migration. The company is recognised for embracing cutting-edge technology and innovation, driving platform modernisation to support the professional services … architecture role offers the chance to lead on technology consolidation, shape future-state data and application landscapes, and set a clear roadmap for unifying and migrating core business-critical systems to modern SaaS and Azure-based solutions. Key Responsibilities Application Portfolio Mapping: Catalogue and document all enterprise systems, with focus on legacy platforms and complex business … portfolio rationalisation and IT modernisation projects in complex organisations. Strong hands-on experience with Azure and cloud-native integration strategies. Deep understanding of API design, data migration, and enterprise systems integration. Desirable Legal/FinTech/InsurTech/Professional Services sector experience. Experience with legal operations or industry-specific platforms (such as workflow and data processing tools). Certifications More ❯

Develop and maintain detailed project plans, timelines, and resource allocations. Oversee project governance, risk management, and reporting. Process & Change Management: Map and embed new processes, drive adoption of new systems, and support change management activities to ensure smooth operational transition. Data Migration & Quality: Oversee data extraction, cleansing, migration, and validation from legacy systems to EnergyCAP, ensuring … data integrity and audit-readiness. You will be expected to demonstrate how you have managed operational data and systems transitions in previous roles-planning, executing, and embedding new ways of working. Testing & Go-Live: Coordinate system configuration, user acceptance testing (UAT), training, and go-live activities. Ensure robust handover to business-as-usual (BAU) teams. Performance Tracking: Monitor project … Apply a structured approach to risk identification and mitigation, with particular focus on data migration and operational handover. Digital Transformation: Lead the digital transformation journey by ensuring that new systems and processes are not only implemented but also fully embedded and operationalised to deliver tangible business value. Utilities Project Manager Experience Required Proven experience as a Project Manager delivering More ❯

contribute to strategic solutions while being part of a broader modernisation programme into a cloud and data platform focused environment. As the business moves away from legacy systems and invests in modern architecture, you’ll work at the intersection of stability and transformation — ensuring continuity in existing applications while helping shape the future tech landscape. What You … using C#, SQL, and front-end technologies like React. Support mission-critical regulatory applications as part of a collaborative, Agile feature team. Contribute to the strategic migration from legacy platforms to a cloud-based architecture using Python, Azure, and Databricks. Apply best practices in DevOps, CI/CD, and test-driven development. Participate in technical governance and architectural More ❯