51 to 75 of 398 Legacy Systems Jobs in the UK

a schedule of regular testing against various scenarios. Identify and recommend cost-effective investments in IT infrastructure in support of financial planning and budgeting. Monitor the performance of cloud systems, optimizing them for efficiency and ensuring high availability, with transparent cloud cost reporting enabling effective management of costs. Security: Ensure the security of all on-prem and cloud infrastructure. … CISSP, CCNA, CITP, CCSP, Microsoft Certified: Azure Solutions Architect Expert Familiarity with regulatory environment and risk management frameworks Demonstrable prior experience of migration projects moving from legacy systems to new/updated platforms (software/hardware/integration layer) and able to articulate role(s) played Proficiency in network architecture, server administration, storage systems, and information … experience in guiding and mentoring technical teams. Ability to collaborate effectively with diverse teams and stakeholders across different regions. Strong problem-solving skills with the ability to analyse complex systems and propose innovative solutions. Comfortable working in a dynamic environment with the ability to adapt to changing priorities and technologies. Benefits We believe in taking care of our team More ❯

/C# and WPF to guide the evolution of our LegalTech products. This is a hands-on leadership and technical role where you'll set technical direction, architect scalable systems, and ensure the delivery of high-quality, performant applications-ranging from modern WPF-based desktop software to robust cloud services. You'll play a critical part in mentoring engineers … embed testing into architecture and development, improving testability and enabling earlier defect detection. Use profiling and diagnostics tools to address performance, memory, and runtime optimizations. Refactor legacy systems to modern standards, boosting maintainability, coverage, and stability. Leverage tools like Autofac and clean architecture patterns to maintain loosely coupled and testable codebases. Team Mentorship & Collaboration Act as a More ❯

driven bank. As an IT professional, you will work closely with our business units. Our technology teams offer an environment with exciting challenges - supporting and developing legacy systems or introducing modern technologies such as AI, machine learning, and highly automated trading applications. Our Technology department, comprising around 300 employees, works largely in an agile manner using a … platform. Monitor market trends in cryptocurrencies and digital assets to identify new business opportunities and relevant regulatory requirements. Who are we looking for? University degree, ideally in business information systems, business administration, economics, or computer science. Strong knowledge of digital assets/cryptocurrencies. Experience in creating user stories and working with IT teams (e.g., agile/scrum). Experience More ❯

SQL DBA with Azure Migration Experience - Legacy to Serverless Transformation Location: Blackpool Job Type: Contract (Hybrid) - 6 months intially About the Role: We are looking for a hands-on SQL Database Administrator (DBA) with strong experience in Azure cloud migration , particularly someone who has helped transform legacy SQL Server environments into modern, cloud-native … serverless architectures . This is a transformation-focused role . You'll play a key part in re-architecting and migrating the existing on-premise and legacy systems to a fully modern Azure-based platform. The ideal candidate has walked this path before, from traditional SQL workloads to scalable, resilient, and cost-effective serverless solutions. Key Responsibilities … Assess current legacy SQL Server environment and create a clear roadmap for migration to Azure. Lead the end-to-end migration of SQL workloads to Azure SQL Database , Azure SQL Managed Instance , or serverless architectures . Design and implement serverless data architectures using Azure Functions , Event Grid , Logic Apps , etc., where appropriate. Optimise database performance, security, availability, and More ❯

SQL DBA with Azure Migration Experience - Legacy to Serverless Transformation Location: Blackpool Job Type: Contract (Hybrid) - 6 months intially About the Role: We are looking for a hands-on SQL Database Administrator (DBA) with strong experience in Azure cloud migration , particularly someone who has helped transform legacy SQL Server environments into modern, cloud-native … serverless architectures . This is a transformation-focused role . You'll play a key part in re-architecting and migrating the existing on-premise and legacy systems to a fully modern Azure-based platform. The ideal candidate has walked this path before, from traditional SQL workloads to scalable, resilient, and cost-effective serverless solutions. Key Responsibilities … Assess current legacy SQL Server environment and create a clear roadmap for migration to Azure. Lead the end-to-end migration of SQL workloads to Azure SQL Database , Azure SQL Managed Instance , or serverless architectures . Design and implement serverless data architectures using Azure Functions , Event Grid , Logic Apps , etc., where appropriate. Optimise database performance, security, availability, and More ❯

Responsibilities: Work with clients to analyse their current and future business needs, recommend best practice solutions, and define project deliverables Translate accounting requirements into system configurations Configure debt accounting systems (i.e. Allvue, Broadridge Sentry) to track complex instruments Design customised workflows aligned with investment strategies and processes Migrate data from legacy systems with validation controls Track … strategies Produce detailed status reports, track actions, and manage progress meetings Create and deliver training materials and documentation Provide ongoing system optimisation and support Qualifications and Skills: Private Credit Systems Implementation Experience (Highly Desired): Minimum 2-3 years of experience implementing private credit Investment Accounting software is highly valued. Ideal candidates would have exposure to requirements gathering, system configuration … complex capital structures, and accurately book transactions such as drawdowns, repayments, PIK interest, and fee amortisation is essential. Experience reconciling positions and cash flows across administrators, custodians, and internal systems is also highly valued. System Knowledge: Proficiency with industry-standard platforms utilised in private credit investment operations and accounting. Strong expertise with Allvue investment accounting is highly desired. Experience More ❯

Responsibilities: Work with clients to analyse their current and future business needs, recommend best practice solutions, and define project deliverables Translate accounting requirements into system configurations Configure debt accounting systems (i.e. Allvue, Broadridge Sentry) to track complex instruments Design customised workflows aligned with investment strategies and processes Migrate data from legacy systems with validation controls Track … strategies Produce detailed status reports, track actions, and manage progress meetings Create and deliver training materials and documentation Provide ongoing system optimisation and support Qualifications and Skills: Private Credit Systems Implementation Experience (Highly Desired): Minimum 2-3 years of experience implementing private credit Investment Accounting software is highly valued. Ideal candidates would have exposure to requirements gathering, system configuration … complex capital structures, and accurately book transactions such as drawdowns, repayments, PIK interest, and fee amortisation is essential. Experience reconciling positions and cash flows across administrators, custodians, and internal systems is also highly valued. System Knowledge: Proficiency with industry-standard platforms utilised in private credit investment operations and accounting. Strong expertise with Allvue investment accounting is highly desired. Experience More ❯

this stream, playing a pivotal role in building robust, scalable, and secure applications using the Microsoft technology stack. You’ll work across front-end and back-end components, integrating systems and services within a modern Azure-based architecture. Core Responsibilities Design, develop, test, and deploy high-quality software solutions in alignment with business needs. Implement modern software engineering practices … code. Troubleshoot and resolve technical issues across distributed systems. Produce clear documentation for both technical teams and end users. Support and maintain both new solutions and legacy systems during transition phases. Contribute to improving development standards, tools, and processes within the team. Skills/Qualifications Bachelor’s degree in Computer Science, Information Technology, or a related field … with: DevOps pipelines, CI/CD, Bicep, and automated testing strategies. Database design, SQL, and database migrations. Familiarity with service-oriented and microservices architectures. Ability to work with legacy applications and transition them to modern platforms. Strong troubleshooting and debugging skills in decentralized environments. Excellent communication skills—both written and verbal—with the ability to explain complex topics More ❯

well as contributing to the realisation of business benefits. As a business analyst you must be able to demonstrate experience of working on a range of projects that combine systems, process and data changes along with a demonstrable track record of delivery in complex, commercially driven environments. The ability to understand the development lifecycle in terms of stages, principles … benefit case development as well as business processes modelling. The business analyst in this team will need to understand business implementation principles and issues relating to legacy systems including the analytical ability to assess legacy system documentation to impact high profile changes. You will need to have operated as BA supporting HR platforms or working More ❯

programme to transition from SAP ECC to the SAP Cloud, featuring S/4HANA and SuccessFactors. This is your chance to lead a pivotal role in modernising core business systems and enhancing data integrity! Role Overview As the Data Migration Manager , you will be at the forefront of this high-profile programme, orchestrating the end-to-end data migration … strategy. Your mission? To ensure the accurate, secure, and timely migration of data from legacy systems to a cutting-edge SAP Cloud environment. You'll work in close collaboration with business stakeholders, technical teams, and external partners. Key Responsibilities Lead the Charge: Define and own the comprehensive data migration strategy, approach, and roadmap. Data Mastery: Oversee data More ❯

for the evolution of the University's IT landscape, ensuring alignment with institutional goals and objectives. The Enterprise Architect will lead the review of the existing on-premise legacy estate, recommend optimal future-state architectures, and develop comprehensive roadmaps for migration and modernization. This position requires a deep understanding of enterprise architecture principles, technology trends, and the unique … University's enterprise architecture framework, standards, and principles, ensuring alignment with institutional strategic goals. Roadmap Development: Lead the assessment of the current IT landscape (on-premise legacy systems) and develop comprehensive roadmaps for future-state architectures, including cloud migration (Azure), application modernization (CRM/ERP), infrastructure upgrades, and security enhancements. Technology Leadership: Provide technical leadership and guidance … Expertise: Apply understanding of the unique challenges and opportunities within a higher education environment to develop effective and relevant architectural solutions. Qualifications: Bachelor's degree in Computer Science, Information Systems, or a related field; Master's degree . Extensive experience (typically 10+ years) in IT, with a focus on enterprise architecture. Proven experience in developing and implementing enterprise architecture More ❯

provide technical guidance and oversight of customisations, including plugins, workflows, Power Automate flows, and JavaScript, ensuring efficient, reusable, and well-documented code. Integrate D365 CE with other applications and systems using tools like Azure Logic Apps, Power Automate, and custom APIs. Oversee the Dynamics 365 environment to enable the successful delivery of their Digital Transformation. Manage and control D365 … and maintenance for D365 CE applications, troubleshoot issues, and implement fixes and enhancements. Assist in data migration tasks, ensuring accurate and secure transfer of data from legacy systems to D365 CE Collaborate with cross-functional teams, including business analysts, project managers, and other developers, to deliver high-quality solutions. Stay updated with the latest D365 CE features More ❯

be working on the latest and most cutting edge tech from the outset. If you are an expert in and passionate about designing and configuring Dynamics 365 Business Central systems then look no further! The role: Collaborating with clients to understand their business requirements and translate them into system configurations and customisations within Dynamics 365 Business Central. Designing and … enabling them to effectively utilise Dynamics 365 Business Central and maximise its potential. Performing data migration activities, ensuring the accurate and timely transfer of data from legacy systems to Dynamics 365 Business Central. Developing and maintaining technical documentation, including functional specifications, user guides, and training materials. Identifying opportunities for process improvements and advising clients on best practices More ❯

this single Oracle Millennium instance. As an EPR Senior Information Business Partner you will help develop and implement the strategy for successful migration of data from legacy systems into the new EPR. The post holder will identify and translate data migration requirements into conversion processes whilst managing any risks and issues that arise. The role will involve … drive the delivery of the data migration Programme, motivating the team and support continual improvement. Lead in supporting Directorates in understanding their data quality in regards of the legacy system and the new system. Liaise with service managers and clinical leads within the trusts to address any data quality issues prior to migration. Ensuring that the importance of … checking and remediation. Enables efficiencies by ensuring that information about data sources is documented and made available for the benefit of others. Clearly articulates dependencies on other teams/systems/infrastructure and builds these in to plans. For a full comprehensive list of main responsibilities and duties, please kindly refer to job description and personal specification attached. Person More ❯

native applications using C# , .NET Core , and Azure Functions Build and maintain responsive front-end interfaces using React , TypeScript , and modern UI libraries Integrate with internal and third-party systems via REST APIs Contribute to the design and implementation of AI-driven features to enhance automation and user experience Lead on DevOps practices , including CI/CD pipelines, automated … It for You? A flexible hybrid working model with just one day a week in the office The chance to work on greenfield projects and modernise legacy systems A collaborative, supportive team culture with opportunities for career progression Competitive salary, comprehensive benefits, and a strong focus on work-life balance Ready to take the lead on exciting More ❯

channels. Product Management: Define and manage customer data products, including use case prioritisation, roadmap development, and value measurement. Data Modernisation: Apply modern data principles to transform legacy systems into scalable, cloud-native architectures. Customer Data Architecture: Collaborate with architects to design and implement CDPs, MDM, and CRM systems that support real-time decisioning. Insight Generation: Partner More ❯

environment using a wide array of different technologies: Microservices Dynamic data schema and SQL Server Newer technologies: .NET 8 and ReactJS Older technologies: .NET framework, AngularJS, and jQuery Design systems: Carbon You will have a structured career path supporting your technical growth from your starting position to Software Architect. What is CAS? CAS is an employee-owned software company … take pride in enhancing Workpro for everyone. We foster innovation and creativity to improve our product, keeping our skills current with the latest technologies. We support legacy systems, working with both older and newer technologies to maintain and extend the system. Ownership and pride in our work are core values. We collaborate to fix issues and celebrate … hours and compressed work schedules are supported. Short-term international work is possible, depending on circumstances. Duties Activities include: Implementing new features Fixing bugs Writing automated tests Supporting build systems Collaborating with analysts and product owners Deploying releases Modernizing legacy system components Customer support Technical documentation Out-of-hours support may occasionally be required, with a rota More ❯

This is a key role working alongside the Group Technology Director and a small UK team, mentoring junior developers, writing and reviewing code, and helping transition legacy systems to modern AWS-powered solutions. Projects include pricing analytics for competitive pricing, streamlining warehouse processes, and expanding product offerings across multiple sales channels. Key Responsibilities: Develop and maintain eCommerce … and warehouse fulfilment systems Mentor and coach junior developers Write, review, and document code within a fast-paced environment with limited legacy documentation Support CI/CD pipelines and devops practices What We're Looking For: 3+ years professional experience with .NET, SQL databases, AWS, Docker, and CI/CD pipelines Strong problem-solving skills and autonomous More ❯

value curiosity, collaboration, humility, and a willingness to learn from failure. Duties and Responsibilities You will play a key role in reimagining the Lasernet platform, balancing legacy systems with new development. Your responsibilities include: Refactoring and modernizing core codebase Deep problem analysis before solution implementation Participating in agile planning, estimation, and delivery Owning your work end-to … and new technologies Sharing knowledge and reviewing code with teammates Knowledge and Experience Must-haves: 5-10 years of software development experience across various domains Experience modernizing monolithic systems Strong C++ skills and Windows Desktop Development experience (Win32 is a bonus) Understanding of desktop application development Experience working in a platform team Commitment to long-term projects and … team stability Nice-to-haves: Knowledge of Qt Framework Experience with .NET and C# Front-end skills: HTML, React, TypeScript, Node.js Low-level programming (C, C++, Rust) and systems knowledge Skills Ideal candidate traits: Pragmatic problem solver Comfortable with legacy and greenfield projects Eager to learn new tools and technologies Collaborative but capable of independent work Knowledge More ❯

a tight-knit development team to make key technical decisions, shape architecture, and drive feature development. Integrate seamlessly with third-party APIs, cloud platforms, and existing legacy systems where necessary. Own and evolve database design, models, and schemas to support new features and improve system efficiency. Craft performant SQL queries, stored procedures, and triggers to support mission … learning-focused, collaborative engineering culture. Qualifications & Requirements You thrive in a fast-moving, collaborative environment where ideas are welcomed, and experimentation is encouraged. 7+ years of experience building backend systems in a production environment. 3+ years of hands-on experience with modern software architecture and scalable frameworks. Proficiency in Java (Spring Boot), Python, or similar. Proficiency in JavaScript/…/CD pipelines, monitoring, containerization, etc.). Full stack development Knowledge of the dental or healthcare domain is a plus. Demonstrated experience in technical leadership or ownership of features, systems, or architecture. Experience with .NET Our Recruiting Process We try to make our process as simple as possible while still giving us opportunities to learn about each other. Phone More ❯

is building smarter, greener technology to power a low-carbon future. We're looking for a Junior Software Developer to join us and help combat the challenges of legacy tech and drive the evolution of our cloud-based digital services. Ofgem is Great Britain's independent energy regulator. We're at the forefront of change across the energy … looking to kick-start or reshape their career in software development. This role offers experience across a wide range of technologies and applications, from working with legacy systems to contributing to modern cloud-based platforms. From day one, you'll join a collaborative digital team, gaining exposure to real-world projects. You'll have the chance to … maintain digital solutions that help us on our vital mission to protect consumers and accelerate Net Zero. In this role, you'll be part of that mission, contributing to systems that support environmental programmes and energy reform across the UK. Read on and find out more. Key Responsibilities Monitor site uptime and site reliability and take necessary action. Stewardship More ❯

is building smarter, greener technology to power a low-carbon future. We're looking for a Junior Software Developer to join us and help combat the challenges of legacy tech and drive the evolution of our cloud-based digital services. Ofgem is Great Britain's independent energy regulator. We're at the forefront of change across the energy … looking to kick-start or reshape their career in software development. This role offers experience across a wide range of technologies and applications, from working with legacy systems to contributing to modern cloud-based platforms. From day one, you'll join a collaborative digital team, gaining exposure to real-world projects. You'll have the chance to … maintain digital solutions that help us on our vital mission to protect consumers and accelerate Net Zero. In this role, you'll be part of that mission, contributing to systems that support environmental programmes and energy reform across the UK. Read on and find out more. Key Responsibilities Monitor site uptime and site reliability and take necessary action. Stewardship More ❯

is building smarter, greener technology to power a low-carbon future. We're looking for a Junior Software Developer to join us and help combat the challenges of legacy tech and drive the evolution of our cloud-based digital services. Ofgem is Great Britain's independent energy regulator. We're at the forefront of change across the energy … looking to kick-start or reshape their career in software development. This role offers experience across a wide range of technologies and applications, from working with legacy systems to contributing to modern cloud-based platforms. From day one, you'll join a collaborative digital team, gaining exposure to real-world projects. You'll have the chance to … maintain digital solutions that help us on our vital mission to protect consumers and accelerate Net Zero. In this role, you'll be part of that mission, contributing to systems that support environmental programmes and energy reform across the UK. Read on and find out more. Key Responsibilities Monitor site uptime and site reliability and take necessary action. Stewardship More ❯

directly with hosts, our Property Experts, and designers to deeply understand the product this industry needs most. Improving how we work. We have a ton of legacy systems to refactor and simplify. A mixture of great and not so great CI/CD and, a patchwork of patterns from years of experimentation. What successful looks like at … infrastructure. GitHub Actions for testing and deployment. Sentry and Grafana for observability. OpenAI for LLM integrations. We also work with: Python and Flask which underpin most of our legacy estate. We actively maintain services following a number of legacy patterns. What we offer Salary between £60,000 and £80,000 Unlimited holiday allowance Comprehensive benefits package More ❯

for patients and healthcare professionals. Why This Role Now? EU Expansion: Harmonise architecture across jurisdictions with varying compliance, data residency, and operational models. Platform Unification: Consolidate legacy systems into a modular, reusable platform architecture. Digital Acceleration: Enable rapid product development without compromising interoperability, governance, or safety. Cross-Functional Collaboration: Act as a unifying technical voice across Product … to articulate a future-state architecture aligned with business strategy. Principles-led Design: Grounded in sound architectural principles, not just trends. System Thinker: Views architecture as a system-of-systems — from infrastructure to UX. Pragmatic Execution: Balances scalability with lean governance; avoids overengineering. Strong Collaborator: Influences across disciplines and senior stakeholders. Regulatory Awareness: Experience designing within regulated environments (e.g. More ❯