1 to 25 of 77 Legacy Systems Jobs in the South East

advanced containerisation initiatives and improving the developer experience across the organisation. We’re particularly interested in engineers with deep experience modernising legacy systems, integrating CI/CD pipelines and mentoring senior technical teams. The Opportunity As Principal Engineer, you’ll lead pivotal engineering initiatives focused on making … complex Java estate fully containerisable. You’ll use your technical expertise to replatform, refactor and rebuild legacy systems, ensuring they integrate effectively with modern developer tooling and CI/CD pipelines. Alongside hands-on technical delivery, you’ll provide leadership and mentorship to senior engineers while promoting ...

established, multi-site retail business to recruit an ERP Applications Manager, to oversee a major technology transformation, supporting the transition from legacy systems to a new ERP platform while maintaining the stability of existing business applications. The role will lead a team of Analysts and oversee … highly desirable. Bachelor's degree in IT, Computer Science, or a related field, or equivalent experience. Experience supporting and transitioning legacy systems during major technology migrations. Good knowledge of enterprise architecture, system integrations, APIs, ETL and data governance. Proven ability to lead technical teams and manage multiple ...

Systems Accountant (9-12 Month FTC) Location: Hybrid/Remote - Travel to London required every 2 weeks Salary: £65,000 - £85,000 + Benefits Contract: 9-12 Month Fixed-Term Contract An exciting opportunity has arisen for an experienced Systems Accountant to join a large listed organisation undergoinga … significant finance systems transformation programme. This role will play a key part in the implementation of a new integrated pay and bill platform, acting as the link between Finance, Operations and IT teams. This is an excellent opportunity for a finance professional with strong systems and project experience ...

responsible for identifying, designing, developing and implementing technology solutions that support the organisation's strategic objectives. This role combines software development, solution architecture, systems integration and technology innovation. The postholder will lead the design and delivery of business applications, databases, record management systems, automation solutions and cloud‐based … whilst maintaining awareness of emerging technologies and industry best practice. The Technology Solutions Lead will play a key role in modernising legacy systems and delivering future‐state digital platforms across the Microsoft ecosystem, including Azure, Microsoft 365, SharePoint, Teams, Fabric, Purview and AI‐enabled technologies. The role ...

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 ...

role will focus on designing and building robust data pipelines, migrating data from a wide range of legacy and enterprise source systems, and establishing scalable data flows into Azure Data Lake and Databricks. A key part of the role will also involve integrating data into a proprietary … scale data migration and integration Oracle and/or Oracle Fusion data sources SharePoint data extraction and integration Working with multiple and varied source systems Data transformation, mapping and validation Designing data pipelines in environments where architecture and processes are still developing Key Responsibilities Design, build and maintain data ...

role will focus on designing and building robust data pipelines, migrating data from a wide range of legacy and enterprise source systems, and establishing scalable data flows into Azure Data Lake and Databricks. A key part of the role will also involve integrating data into a proprietary … scale data migration and integration Oracle and/or Oracle Fusion data sources SharePoint data extraction and integration Working with multiple and varied source systems Data transformation, mapping and validation Designing data pipelines in environments where architecture and processes are still developing Key Responsibilities Design, build and maintain data ...

helping the client achieve their goal.The Hove office is an important growth location for Capgemini. Today, our south coast team has a strong legacy technology heritage, with smaller pockets of modern data work. We want to build on that foundation and create a broader, modern data engineering capability.Working … Hove but working with our wider team to achieve this.• Shape the modernisation of a mixed estate, bringing pragmatic leadership across legacy systems, cloud platforms and contemporary data engineering practices.• Build trusted relationships with client, partner and internal stakeholders, bringing clarity, ownership and constructive challenge to complex ...

client achieve their goal. The Hove office is an important growth location for Capgemini. Today, our south coast team has a strong legacy technology heritage, with smaller pockets of modern data work. We want to build on that foundation and create a broader, modern data engineering capability. Working … Hove but working with our wider team to achieve this. • Shape the modernisation of a mixed estate, bringing pragmatic leadership across legacy systems, cloud platforms and contemporary data engineering practices. • Build trusted relationships with client, partner and internal stakeholders, bringing clarity, ownership and constructive challenge to complex ...

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 … 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 ...

management, branching strategies, and collaboration. Strong Python scripting for data automation, orchestration, and pipeline optimisation. Working knowledge of C# for maintaining/modifying legacy Windows applications. Experience with Power BI, QuickSight, or similar tools for analytics. Adherence to ETL/data management best practices (e.g., incremental loads, error … GDPR, CCPA) and security protocols (encryption, RBAC). Agile/SCRUM practitioner with experience in offshore team collaboration. Ability to migrate legacy systems to modern cloud architectures. Anticipates issues, recommends pragmatic solutions, and writes clean, reusable code. Articulate with stakeholders, from engineers to non-technical leaders. Manages ...

years) including The Disclosure & Barring Service (DBS) checks for criminal convictions and possibly a search of open source data. The Role The UNIX Solaris Systems Specialist provides specialist technical direction and assurance for Solaris platforms, ensuring that legacy systems and applications are operated in a secure … administration with maintenance and evolution of existing applications. It exists to sustain critical Solaris-based applications and services that underpin scientific workloads and enterprise systems, while enabling controlled migration or retirement strategies. Without this role, UKAEA would face increased operational, security, and continuity risks associated with unsupported or constrained ...

modern CI/CD deployment practices. Deep understanding of data modeling, metadata management, and data lineage. Desirable Experience Experience migrating legacy systems into Azure or Microsoft Fabric . Prior background in Financial Services working on Governance, Risk, and Compliance (GRC) systems. Familiarity with data governance frameworks ...

Developer - Cloud Platform & AI We're recruiting for a Senior Software Developer to join a small, highly capable technology team delivering a major legacy-to-cloud transformation. The business is moving its core booking platform to an Azure and modern .NET solution, while also building an AI-powered … Blazor experience. Strong Azure experience, including App Service or Container Apps, Azure SQL, API Management and Azure DevOps pipelines. Experience modernising legacy systems, ideally using strangler-fig or similar incremental migration approaches. Good understanding of REST API design, microservices and event-driven architecture patterns. Practical ...

large, complex organisation undergoing a significant programme of technology transformation, including the introduction of new SaaS platforms, the consolidation of legacy systems and ongoing business change. As Data Migration Lead, you will take ownership of the organisation's data migration strategy and delivery, ensuring data is accurately … Experience with Power BI or similar technical reporting tools. Familiarity with Microsoft Dynamics 365 and the Power Platform would be advantageous. Understanding of business systems such as Finance, Invoicing, CRM and HR systems. Previous experience managing or mentoring data migration professionals. Strong project management skills and the ability ...

TypeScript Engineer to help shape the services and tooling behind this transformation. The team's mission is to replace legacy systems with clean, event-driven services and provide consistent, reliable data to applications across the business - from customer-facing products to operational systems. The Role … background workers, and microservices. Ability to work with SQL or NoSQL databases and understand how to model and query data effectively. Familiarity with distributed systems concepts such as event sourcing, resilience patterns, and asynchronous communication. Experience with containerised development (Docker) and deploying cloud-native applications (Azure ...

data‐platform transformation by translating commercial requirements into clear analytical and reporting specifications. Help harmonize data and reporting across legacy systems, products, regions, and acquired businesses. Promote appropriate controls for data access, privacy, confidentiality, and responsible handling of commercial information. Stakeholder Partnership Act as the primary analytics … pipeline, conversion, retention, NRR/GRR, churn, expansion, pricing, and forecast accuracy Experience improving data quality, metric governance, reporting controls, and documentation across multiple systems or business units Strong stakeholder‐management skills, with the confidence to challenge assumptions and influence senior commercial leaders Ability to operate effectively ...

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 ...

Employment type: Permanent, Full time A specialist engineering manufacturer is looking for a Control and Automation Engineer to develop, improve and support the control systems used across its expanding product range. This is a varied engineering role combining controls hardware, software development, user-interface design and system integration. … support existing and legacy control systems. The company is open-minded regarding your technical background. You could come from PLC automation, embedded systems, industrial software or a combination of these areas. The role will include: Designing control and automation systems for new products Developing software applications ...

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 ...

team at Reassured. You’ll play a key role in evolving our internal CRM platform, taking ownership of complex features and helping shape the systems that support a fast-paced, highly regulated business. Working within a collaborative Scrum team, you’ll balance hands-on development with technical leadership, influencing … driving high-quality, scalable solutions across the team. What you’ll be doing Support in the design and implementation of robust, scalable backend systems using PHP (Laravel/CakePHP). Take ownership of features from concept through design, development, testing, and deployment. Improve and refactor legacy systems ...

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 ...

desktop and 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, and UI/UX frameworks while preserving scientific accuracy and performance. Leverage … control (Git), and code review workflows. Hands-on CI/CD experience — building, configuring, or maintaining automated build and deployment pipelines. Experience modernizing legacy software — migrating codebases from older languages or frameworks to current platforms, including UI/UX modernization. Self-motivated and collaborative; thrives in a team ...