1 to 25 of 70 Legacy Systems Jobs in Leeds

Job Description IT Systems Network Engineer 12 Months FTC offering £46,000 per annum + great benefits £8,000 Travel Assistance (HCAS) Generous pension (12% Personal Contribution + 23% Employer Contribution) Up to 35 days per year About the role This is an exciting opportunity to play a key … skills and make positive impact? We are looking for an experienced IT professional to join during the transition of legacy case management systems to modern, cloud-based solutions. Your role will focus on maintaining and supporting on prem legacy systems during ongoing transformation to … cloud-based (AWS) software as a service (SaaS). Your role would be in 60% focussing on supporting Applications/systems that sit on SQL, and 40% would be general Infrastructure support. Therefore we are looking for all-arounder, with good SQL knowledge. What You Will Do Provide expert More ❯

Job Description: Our global client is looking for a D365 F&O specialist with extensive experience migrating from legacy systems to D365 F&O. This is a hybrid role outside IR35 initially for 9 months, with a good chance to extend. The Data Migration Lead will oversee … the planning, execution, and management of data transfers from legacy systems to Microsoft Dynamics 365. Responsibilities include ensuring data accuracy, consistency, and compliance with business needs throughout the entire migration lifecycle. Requirements include: Strong understanding of data migration principles and best practices. Experience with data extraction, transformation … F&O and integration using Azure services. Proven experience in migrating Dynamics 365 F&O multiple times, leading data migration from legacy systems to D365. #J-18808-Ljbffr More ❯

Social network you want to login/join with: IT Systems Engineer, Leeds, West Yorkshire Client: Location: Leeds, West Yorkshire, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 7 Posted: 18.04.2025 Expiry Date: 02.06.2025 Job Description: 12 Months FTC offering £46,000 per annum + … and make a positive impact? We are looking for an experienced IT professional to join during the transition of legacy case management systems to modern, cloud-based solutions. Your role will focus on maintaining and supporting on-prem legacy systems during ongoing transformation to … cloud-based (AWS) software as a service (SaaS). What You Will Do Provide expert support and maintenance for legacy case management systems (Extranet, CMS, DTS, EKS2, and ADMS) in collaboration with the IT teams. Ensure the legacy systems continue to run smoothly during More ❯

and make a positive impact? We are looking for an experienced IT professional to join during the transition of legacy case management systems to modern, cloud-based solutions. Your role will focus on maintaining and supporting on-premises legacy systems during ongoing transformation to … cloud-based (AWS) Software as a Service (SaaS). Your role would be 60% focused on supporting applications/systems that sit on SQL, and 40% on general infrastructure support. Therefore, we are seeking an all-rounder with good SQL knowledge. What You Will Do Provide expert support and … maintenance for legacy case management systems (Extranet, CMS, DTS, EKS2, and ADMS) in collaboration with IT teams. Ensure the legacy systems continue to run smoothly during the transition to cloud-based solutions. Collaborate with cross-functional teams to ensure effective service delivery. Troubleshoot and More ❯

and make a positive impact? We are looking for an experienced IT professional to join during the transition of legacy case management systems to modern, cloud-based solutions. Your role will focus on maintaining and supporting on-prem legacy systems during ongoing transformation to … cloud-based (AWS) software as a service (SaaS). Your role would be 60% focused on supporting Applications/systems that sit on SQL, and 40% on general Infrastructure support. Therefore, we are seeking an all-rounder with good SQL knowledge. What You Will Do Provide expert support and … maintenance for legacy case management systems (Extranet, CMS, DTS, EKS2, and ADMS) in collaboration with IT teams. Ensure the smooth operation of legacy systems during the transition to cloud solutions. Collaborate with cross-functional teams to ensure effective service delivery. Troubleshoot and resolve system More ❯

Social network you want to login/join with: Senior Full Stack C# .NET Developer, leeds, west yorkshire col-narrow-left Client: WebX Systems Ltd. Location: leeds, west yorkshire, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date … 15.07.2025 col-wide Job Description: Senior Full Stack C# .NET DeveloperFully Remote (UK Residents Only) About WebX Systems At WebX, we specialise in technical publishing and content management solutions for the aerospace and defence sectors worldwide. Our flagship products— UltraCSDB, UltraAuthor, UltraXML , and UltraPortal —are used globally and combine … proven legacy systems with cutting-edge, cloud-native innovations. As a privately owned UK business, we take pride in delivering exceptional software and highly responsive support. Joining our close-knit team means your work has direct and meaningful impact. We work closely with customers to ensure our More ❯

implement tailored NetSuite solutions. Responsibilities include gathering customer requirements, configuring NetSuite across Finance, E-commerce, and Procurement, managing data migration from legacy systems, and providing ongoing support, troubleshooting, and user training. Key responsibilities: Consult with clients to document and translate their requirements into NetSuite functionality Configure and … design NetSuite systems across Finance, Procurement, and E-commerce Lead data migration from legacy systems to NetSuite Troubleshoot, diagnose issues, and provide end-user training Stay up-to-date with the latest NetSuite features What we’re looking for: Proven experience with 4-5 successful NetSuite More ❯

pivotal in supporting and leading this transformation. Key Responsibilities: Cloud Adoption: Play a central role in helping the organisation move its legacy systems to the Cloud, with the goal of making solutions cloud-native. Technical Leadership: Work on modernising the company's legacy systems More ❯

pivotal in supporting and leading this transformation. Key Responsibilities: Cloud Adoption: Play a central role in helping the organisation move its legacy systems to the Cloud, with the goal of making solutions cloud-native. Technical Leadership: Work on modernising the company's legacy systems More ❯

you'll take technical ownership of a critical business domain — Pensions, Protection, or Closed Book. You’ll guide the transition from legacy systems to a modern, cloud-native, microservices architecture, with a specific focus on solutions that serve the Pensions business unit. This role blends hands-on … secure, user-focused platforms. Key Responsibilities Own the solutions architecture for your domain (applications, cloud infrastructure, integration, and security) Guide the modernisation of legacy platforms into a decoupled, event-driven microservices estate Define and implement architecture patterns, development standards, and observability practices Act as the go-to technical … looking for experienced Senior Architects with: Proven experience in solutions architecture with the Insurance Industry A strong track record of modernising legacy systems into scalable, microservices-based platforms Deep knowledge of design patterns, cloud-native practices, and architectural governance Excellent communication skills with both technical and non More ❯

s largest Mutual Pensions company. This role offers a unique opportunity to shape the future technology landscape as they transition from legacy systems to a modern, microservices-based architecture. About the Role As a Lead Architect, you will own your domain, overseeing applications, cloud infrastructure, and services. … You will help transform a legacy "spaghetti" architecture into a modern microservices architecture. This is a transformative journey with full backing from the board, a clear vision, and in-house work, making it an exciting initiative. Key Responsibilities Provide technical oversight for your domain Collaborate with the board … on delivering user-centric designs We’re seeking experienced Architects with: Strong background in solutions architecture (Applications, Cloud, Security) Experience modernizing legacy systems into microservices Deep knowledge of design patterns, cloud infrastructure, and security Prior experience in the Life Insurance industry is preferred Effective communication with technical More ❯

through quality software practices and expertise. We work for leading organizations like Tesco, ASOS, Santander, and The Salvation Army to modernise legacy systems, build new features and products, and adopt new technologies that enhance their software and development processes. We are looking for a strategic, consultative sales … quality software engineering, platform solutions, and technical consulting. Our work ranges from short discovery workshops to long-term projects like modernizing legacy systems, building new features, and creating full products. Projects can last anywhere from a few weeks to several years. You will work closely with our More ❯

through quality software practices and expertise. We work for leading organizations like Tesco, ASOS, Santander, and The Salvation Army to modernise legacy systems, build new features and products, and adopt new technologies that enhance their software and development processes. Role Overview As a Sales Development Representative (SDR … quality software engineering, platform solutions, and technical consulting. Our work ranges from short discovery workshops to long-term projects like modernising legacy systems, building new features, and creating full products. Projects can last anywhere from a few weeks to several years. You will work closely with our More ❯

monitoring of all master data migration activities Work in close collaboration with the SI partner to deliver a seamless transition from legacy systems to the new Oracle Fusion platform Develop and implement robust data integration strategies to support efficient and secure interoperability with other internal and external … systems Drive data validation, reconciliation and quality control across all core master data domains (e.g. suppliers, customers, chart of accounts) Functional & Technical Support on Oracle Fusion Financials: Support cutover, RBAC security, data reconciliation, and business testing Produce validation and reconciliation reports using OTBI, BI Publisher and Smart View Ideal … large-scale ERP programmes In-depth knowledge of Oracle Fusion Financials Cloud Extensive experience of data migration and integration from legacy finance systems Hands-on expertise with Oracle Strong stakeholder engagement and project communication skills Experience working alongside SI partners and managing cross-functional delivery Public sector More ❯

including accounting, financial reporting, and budgeting, and how these map to D365. Experience supporting or leading ERP system migrations, particularly from legacy systems to D365. Skilled in gathering, analysing, and documenting business requirements, and translating them into functional specifications and system solutions. Excellent problem-solving abilities with … solutions. Assess and solve complex finance-related problems by applying industry best practices and technology solutions. Support the migration from legacy finance systems to a new platform, ensuring smooth transition and minimal disruption. Analyse and understand matured finance processes and adapt them to the new platform, leveraging More ❯

to improve new and existing database systems. Assess data implementation procedures to ensure they comply with internal and external regulations. Install and organize information systems to guarantee functionality. Prepare accurate database design and architecture reports for management and executive teams. Oversee the migration of data from legacy systems to new solutions. Educate staff members through training and individual support. Offer support by responding to system problems in a timely manner. Requirements: Strong knowledge of database structure systems and data mining. Knowledge of systems development, including system development life cycle, project management approaches More ❯

one of their most forward-thinking teams. This role offers the chance to be part of something genuinely transformative: moving from legacy systems to a modern, cloud-native platform built with .NET 8, AWS, Docker, GraphQL and Terraform. The systems you'll help build are critical … shape solutions end to end. What Youll Be Doing Designing and building robust, scalable services in .NET 8 Helping drive the shift from monolithic systems to distributed, microservices-based architecture Writing clean, maintainable and well-tested code Actively contributing to code reviews, knowledge sharing and mentoring Working with a … APIs: Kafka, GraphQL, REST CI/CD: GitHub Actions Data: PostgreSQL, DynamoDB, DocumentDB What We're Looking For Solid experience building modern, cloud-based systems using .NET and AWS Strong understanding of software design principles, clean code, and TDD Exposure to infrastructure-as-code and cloud automation (ideally Terraform More ❯

Lead Cloud & Architecture Transformation for a Financial Services Organisation Are you a technically hands-on Solutions Architect with experience in modernising legacy systems and a passion for cloud-native design? We’re supporting a Financial Services company on a multi-year transformation programme as they evolve their … UK banks and other FS clients) helping them streamline critical digital transactions. Specific responsibilities include: Cloud Modernisation: Lead the architecture design of a legacy .NET-based platform, moving it to Microsoft Azure, building cloud-native capabilities along the way. Architecture Governance: Help design … and implement governance frameworks, design authorities, and target-state architectures across the wider group. Legacy System Uplift: Introduce new functionality to existing systems while ensuring scalability, compliance, and long-term maintainability. Data Architecture & Compliance: Work on establishing data flow mapping, data classification, and compliance with industry regulations More ❯

Data Solutions Engineer at Lawfront, you will play a key role in developing and maintaining our enterprise data environment, ensuring smooth integration between legacy and modern applications, and supporting the Master Data Management (MDM) framework. Your work will directly support the organisation data strategy and enterprise architecture, ensuring … operational needs. Conduct performance tuning, updates, and enhancements to ensure reliability and scalability. Design and maintain efficient data integration pipelines between legacy systems and modern applications. Ensure data consistency, quality, and accuracy across all integrated platforms. 3. Master Data Management (MDM) Manage master data records to ensure … enterprise data warehouses. Proficiency in designing and managing ETL processes and integration pipelines. Practical knowledge of master data management principles. Familiarity with both legacy and cloud-based application environments. Attention to detail with strong analytical and problem-solving skills. Excellent communication and stakeholder engagement skills. Experience with cloud More ❯

one of their most forward-thinking teams. This role offers the chance to be part of something genuinely transformative: moving from legacy systems to a modern, cloud-native platform built with .NET 8, AWS, Docker, GraphQL and Terraform. The systems you'll help build are critical … shape solutions end to end. What Youll Be Doing Designing and building robust, scalable services in .NET 8 Helping drive the shift from monolithic systems to distributed, microservices-based architecture Writing clean, maintainable and well-tested code Actively contributing to code reviews, knowledge sharing and mentoring Working with a … APIs: Kafka, GraphQL, REST CI/CD: GitHub Actions Data: PostgreSQL, DynamoDB, DocumentDB What We're Looking For Solid experience building modern, cloud-based systems using .NET and AWS Strong understanding of software design principles, clean code, and TDD Exposure to infrastructure-as-code and cloud automation (ideally Terraform More ❯

over 200,000 vehicles a year for the UK’s leading manufacturers, finance, and rental companies. We’re not just maintaining legacy systems — we’re transforming. You’ll be at the heart of a major tech shift: moving from .NET Framework monoliths to microservices in .NET … What You Bring: Hands-on experience in .NET , AWS , and infrastructure-as-code ( Terraform ) Solid understanding of both SQL & NoSQL databases and event-driven systems Experience in TDD , clean code, and continuous delivery Strong communication and collaboration skills across technical and non-technical teams A proactive, curious mindset and More ❯

you’ll own the definition and implementation of enterprise-wide security architecture. You’ll be responsible for designing strategies and frameworks that secure critical systems and services, spanning both on-premise and cloud environments. You’ll also play a hands-on leadership role in mentoring solution and technical architects … security-focused architecture patterns Design and maintain conceptual and logical security architectures across multiple technology domains Support secure delivery of cloud and on-premise systems (Oracle, Microsoft, Salesforce, MuleSoft) Guide solution and technical architects on security principles, best practices, and assurance Contribute to architecture governance, standards, and documentation Partner … in complex environments Strong understanding of enterprise security frameworks, governance, and risk management Experience delivering secure architectures in cloud, hybrid, and legacy systems Hands-on knowledge of modelling tools and frameworks (UML, ArchiMate, Bizz design ideal) Broad technical knowledge across infrastructure, data, CRM, HR, and finance systems More ❯

are seeking a hands-on Data Engineer with strong AWS experience to support two key initiatives: finalising a Braze CRM integration and migrating legacy R-based data pipelines to a modern cloud-native stack. Support the CRM team with data engineering requests. QA, deploy, and monitor data pipelines … and understand existing R-based data pipelines created by data scientists. Migrate these pipelines into Airflow, dbt, and Terraform workflows. Modernize and scale legacy infrastructure running on AWS. Collaborate with engineering teams to ensure a smooth transition and system stability. Languages & Scripting: Python (primary scripting language for Lambda … decisions and project status. Willing to take on essential but sometimes "tedious" tasks without hesitation. Practical attitude, especially when working with legacy systems or imperfect code. Ideally, experience migrating legacy scripting environments (e.g., R to Python) to modern pipelines. #J-18808-Ljbffr More ❯

over 200,000 vehicles a year for the UK’s leading manufacturers, finance, and rental companies. We’re not just maintaining legacy systems — we’re transforming. You’ll be at the heart of a major tech shift: moving from .NET Framework monoliths to microservices in .NET … What You Bring: Hands-on experience in .NET , AWS , and infrastructure-as-code ( Terraform ) Solid understanding of both SQL & NoSQL databases and event-driven systems Experience in TDD , clean code, and continuous delivery Strong communication and collaboration skills across technical and non-technical teams A proactive, curious mindset and More ❯

The Opportunity Fast-paced, growing ecommerce business looking for a hands-on IT Director from an ecommerce background to lead a full tech transformation. Systems are complex, with a mix of legacy and modern tech, minimal structure, and growing commercial demands. This is a high-impact role … infrastructure and cyber security, while directly enabling performance in ecommerce, operations, and marketing. What You’ll Do Lead the overhaul of legacy systems (.NET, Classic ASP) to modern platforms (Laravel). Define and deliver a tech roadmap that improves speed, stability, and scalability. Build and manage a … Laravel (primary), bespoke PHP, .NET, Classic ASP (legacy) Frontend: JS/CSS stack with custom integrations Hosting: Digital Ocean + Cloudflare Support Systems: Zendesk, Trello (ad hoc), Office 365 Infrastructure: Internal servers accessed via VPN What You Bring Proven leadership in ecommerce or fast-moving tech environments. More ❯