24 of 24 Permanent Legacy Systems Jobs in Berkshire

will lead the delivery of business-critical applications while supporting a major ERP transformation programme. You'll oversee the transition from legacy systems to a new ERP platform, ensuring business continuity throughout the migration. Managing a team of application specialists, you'll coordinate testing, training and data … applications such as ERP, WMS and OMS. You'll be a confident people leader with strong stakeholder management skills, a solid understanding of enterprise systems, integrations and data governance, and experience managing multiple projects simultaneously. Knowledge of Oracle Retail would be highly advantageous, as would experience supporting legacy ...

business continues to integrate newly acquired companies, it is looking to appoint an experienced Data Migration Lead to take ownership of finance systems data migration across the group. This is a highly influential role where you will lead the end-to-end migration of financial data from multiple legacy systems into a standardised finance platform. You will be responsible for ensuring that data is accurately extracted, cleansed, transformed, mapped, validated and loaded, while maintaining financial integrity throughout each acquisition integration. Key Responsibilities Lead the end-to-end finance data migration strategy for acquired businesses. ...

join RSM UK on a 9-month FTC. This role will be accountable for planning, leading and controlling the successful transition from existing systems to new systems across a complex enterprise applications environment. The role will establish and manage the cutover strategy, detailed runbooks, readiness criteria, control approach … live with minimal disruption to business operations. Following successful cutover, the role will also establish the timetable for controlled decommissioning of legacy systems, ensuring appropriate business, technical, data, audit and operational controls are in place before retirement. Key Deliverables Cutover strategy, governance model and integrated cutover plan ...

models, support arrangements, supplier relationships and internal capabilities. Identify gaps in documentation, governance, ownership and decision-making. Evaluate the impact of legacy systems and unsupported or obsolete technologies. Assess non-functional considerations, including resilience, scalability, availability, performance, security and maintainability. Business and Capability Analysis Understand the business … environments Enterprise applications ERP, CRM and line-of-business platforms Legacy application modernisation SaaS, COTS and low-code platforms API management and systems integration Event-driven and service-oriented architecture Data platforms, analytics and business intelligence Data governance, quality, lineage and master data Artificial intelligence, machine learning ...

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 ...

incumbent payroll provider to a new provider. You’ll lead the payroll data workstream, ensuring accurate extraction, mapping, cleansing, validation, and migration across multiple systems including Workday, UKG, and the new payroll platform. Key Responsibilities Data migration leadership — Own the payroll data migration strategy, plans, timelines, and delivery. Data … analysis & cleansing — Perform detailed validation, reconciliation, and quality checks. Data mapping — Map data between legacy systems, UKG, Workday, and the new provider. Migration cycles — Execute mock migrations, testing cycles, and final cutover. Issue resolution — Identify and resolve data discrepancies and risks. Testing support — Support UAT, parallel runs ...

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 ...

delivery processes. Led the build-out and ongoing evolution of high-traffic Ruby on Rails platforms supporting significant commercial throughput. Modernised legacy systems while ensuring uninterrupted business operations. Introduced AI-powered enhancements to improve customer journeys and internal operational efficiency. Collaborated with stakeholders across pricing, quoting ...

/4HANA integration. You will define migration strategy, ensure data quality, and manage end-to-end activities from legacy systems to target SAP environments. Your leadership, stakeholder management, and deep SAP data migration expertise will drive governance, testing, cutover planning, and successful go-lives across the program. ...

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 ...

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 ...

help banks, credit unions, and insurers design, launch, and evolve financial products dramatically faster than traditional methods. Our platform sits above existing core systems, enabling institutions to modernize without rip-and-replace, and to innovate without rebuilding from scratch. Why This Role Exists Insurance organizations are facing increasing pressure … modernize legacy systems, accelerate product innovation, improve customer experiences, and respond to changing regulatory requirements. FintechOS enables insurers to navigate this transformation successfully. As our customer footprint continues to grow, we are seeking an experienced Program Manager to lead complex customer-facing transformation initiatives across the insurance ...

study teams can begin work in a ready and reliable environment. You will support programming teams during onboarding, transition from legacy systems, and ongoing operations as a first-line technical contact. You will improve lifecycle management and workflows by documenting processes, supporting validation activities, and automating practical … understand SDLC, validation, audit readiness, and compliant configuration expectations. You can communicate clearly with technical teams and business stakeholders, while tracking setup processes across systems and teams. You bring practical experience with tools such as Domino Data Lab, SAS, R, Git, Azure DevOps, VS Code, or SAS Studio. ...

programme for a central government department. The programme represents the next generation of the UKs biometric capability replacing and integrating with legacy systems and other government departments. You will be part of a Mastek team in a multi-vendor project with a shared code base. … services (EC2, ECS, EKS, API Gateway and Serverless technologies) Integration Engine tools: Apache Camel and Active MQ for messaging, web services and distributed systems Public Sector domain experience preferable #J-18808-Ljbffr ...

highly secure S/4HANA platform, you will develop custom enhancements, reports, interfaces, and CDS views, while debugging complex code to keep critical systems running smoothly. Rather than getting stuck on legacy systems, this role offers hands-on exposure to modern SAP development tools (such ...

seeks a Senior Software Engineer to join Agentic Engineering initiatives. You will leverage AI coding agents to refactor and modernise complex legacy systems, building the engineering harness and governance needed for safe AI-driven development. The role emphasizes a strong C#/.NET foundation, working with large … legacy codebases, and collaborating across teams to implement automated tests, evals and quality controls. #J-18808-Ljbffr ...

Pertemps Thames Water, is a full-time contract paying £400 daily. This role supports existing People Analytics reporting and the shift toward SuccessFactors-based systems, preserving historical output while building new capabilities. Responsibilities include gathering HR reporting requirements from stakeholders and developing interactive Story Reports. Strong expertise … complex information into actionable insights, ensuring continuity of legacy reporting and advancing analytics functions. This contract suits an analyst experienced in HR systems and modern visualisation tools. We are seeking a talented and highly motivated Data Analyst with experience of SAP Success Factors to join our dynamic ...

drill-down functionality. Support SuccessFactors data mapping, migration, validation and testing activities. Support integration of SuccessFactors data with existing Power BI reporting and legacy HR data to maintain historical trend analysis. Ensure data quality, accuracy and consistency across reporting solutions. Support reporting through SuccessFactors implementation, go-live … SuccessFactors reporting and HR data . Experience with SuccessFactors data mapping, validation, migration and testing . Experience supporting reporting across legacy HR systems and SuccessFactors . Experience with Power BI RLS . Strong understanding of data modelling, data quality and SQL database principles. Excellent analytical, problem-solving ...

Solutions Ltd in Reading seeks an experienced BizTalk/.NET integration consultant to design and implement integration solutions across portals, B2B partners and legacy systems. You will work within an onsite/offshore delivery model, participate in architecture discussions, and develop schemas, pipelines, mappings, and orchestrations while driving ...

defining the migration strategy, managing end-to-end migration activities, ensuring data quality, and delivering successful migration from legacy HR and payroll systems into SAP SuccessFactors and SAP S/4HANA. The role requires strong leadership, stakeholder management, and extensive experience in SAP data migration methodologies, reconciliation … Data migration requirements and align with client data requirements. Define and implement the Data Migration Strategy, Data Quality Strategy, and Migration Approach. Analyse legacy HR and Payroll data and map it to SAP SuccessFactors target objects. Define migration objects, transformation rules, validation criteria, and reconciliation processes. Manage data ...

Twelve in Reading is seeking a backend-focused engineer to tackle technical debt, refactor legacy systems, and optimize performance while delivering new features. The role combines strong PHP 8+ and Laravel expertise with hands-on MySQL optimization, Docker tooling, and modern frontend integration. Ideal candidates will balance ...

Senior Software Engineer – Agentic Engineering x4 Using AI and agentic engineering to modernise complex legacy software, and fundamentally change how engineering teams build software. What will you actually be doing? Use AI coding agents to investigate, refactor and modernise legacy codebases Design the "engineering harness" that … seriously strong software engineering foundation . You’ll ideally have deep experience in C#/.NET , alongside experience working with large, complex or legacy systems. You might have worked with: Claude Code, Cursor, GitHub Copilot, Codex or similar coding agents Agentic development or AI-assisted software engineering Automated ...

ensuring products can be tested efficiently, reliably and cost-effectively, while also supporting and improving the test infrastructure used across existing and legacy products. Working closely with engineering and other technical teams, you’ll have the opportunity to influence product design through Design for Test (DfT) principles … with relevant information and security requirements. About You We’re looking for an experienced test development professional with a strong background in automated test systems and electronic product testing. You’ll ideally bring: Strong experience developing automated test programmes using National Instruments TestStand, CVI and/or LabVIEW. Proficiency ...

/week on-site Core Focus Backend-heavy engineering role for an established UK digital platform. Primary responsibility is tackling technical debt, refactoring legacy architecture, and optimizing application performance alongside new feature delivery. Strict Requirements PHP 8+ & Laravel: Commercial experience with Eloquent, Form Requests, Queued Jobs, and custom … Artisan commands. Codebase Refactoring: Proven history of refactoring legacy codebases and improving system maintainability rather than just executing feature tickets. MySQL Optimization: Hands-on experience with indexing strategies, query analysis, and schema design. Stack Balance: 70/30 to 50/50 backend-to-frontend focus. Tooling: Docker ...