26 to 50 of 1,448 Legacy Systems Jobs in the UK

SQL modernization initiatives, including SQL Server upgrades, performance tuning, and data platform transformations. The role requires a balance of technical excellence and consultancy experience, guiding clients through both legacy system optimization and modern cloud-first analytics architectures. Additional activities and responsibilities not covered within the above may also be required as part of specific customer engagements or the More ❯

SQL modernization initiatives, including SQL Server upgrades, performance tuning, and data platform transformations. The role requires a balance of technical excellence and consultancy experience, guiding clients through both legacy system optimization and modern cloud-first analytics architectures. Additional activities and responsibilities not covered within the above may also be required as part of specific customer engagements or the More ❯

for developing and actively contributing to the technical vision and architectural strategy for our multi-language, multi-territory website, the booking and licensing system, and integrations with third-party systems such as ERP, CRM, online payment platforms, Lab, and other business-critical services. This role plays a critical part in ensuring that our technology solutions are scalable, secure, and … goals. The architect will guide cross-functional teams in designing modern, efficient, and maintainable platforms, supporting both product innovation and operational excellence, while also continuously improving and optimizing existing systems and architectures. Your Role Accountabilities Refine and evolve the overall architecture of key software systems, ensuring scalability, performance, and security. Lead architectural design sessions, code reviews, and technical … decision-making across development teams. Work hands-on with existing platforms to refactor, optimize, and modernize legacy systems and integrations. Collaborate with stakeholders across product, engineering, data, and infrastructure to translate business requirements into technical solutions. Evaluate and introduce new technologies, frameworks, and design patterns where appropriate. Act as a technical mentor and advisor to developers and More ❯

technologies Ability to recommend solutions 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 and requirements, design and testing techniques Proficiency in data modeling and design, including SQL development and database More ❯

technologies Ability to recommend solutions 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 and requirements, design and testing techniques Proficiency in data modeling and design, including SQL development and database More ❯

technologies Ability to recommend solutions 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 and requirements, design and testing techniques Proficiency in data modeling and design, including SQL development and database More ❯

technologies Ability to recommend solutions 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 and requirements, design and testing techniques Proficiency in data modeling and design, including SQL development and database More ❯

London Reports to Director for Technology for Group and Operations The Enterprise Solution Architect for Technology plays a critical role in shaping Aztec Group's technology landscape, ensuring that systems, integrations, and data architectures align with business objectives and market needs. Reporting to the Director for Group and Operations, you will define and govern enterprise-wide technology strategies, focusing … and cloud adoption. As a key advisor to senior stakeholders, the Enterprise Solution Architect will bridge business needs with technology capabilities, contributing to the transformation of legacy systems and integrating cutting-edge solutions to optimize operational workflows and processes. Key responsibilities: Enterprise Architecture & Strategy Define and maintain the technology architecture for Technology, ensuring alignment with business strategy … deliverables. Continuous Improvement: Identify opportunities for process improvements and drive initiatives to enhance the overall technology landscape. Qualifications & Experience Bachelor's or master's degree in computer science, Information Systems, or related field. Enterprise Solution Architecture Expertise: 10 years + experience as a Enterprise/Senior Solution Architect within a global/national organisation, Strong knowledge of modern enterprise More ❯

Southampton Reports to Director for Technology for Group and Operations The Enterprise Solution Architect for Technology plays a critical role in shaping Aztec Group's technology landscape, ensuring that systems, integrations, and data architectures align with business objectives and market needs. Reporting to the Director for Group and Operations, you will define and govern enterprise-wide technology strategies, focusing … and cloud adoption. As a key advisor to senior stakeholders, the Enterprise Solution Architect will bridge business needs with technology capabilities, contributing to the transformation of legacy systems and integrating cutting-edge solutions to optimize operational workflows and processes. Key responsibilities: Enterprise Architecture & Strategy Define and maintain the technology architecture for Technology, ensuring alignment with business strategy … deliverables. Continuous Improvement: Identify opportunities for process improvements and drive initiatives to enhance the overall technology landscape. Qualifications & Experience Bachelor's or master's degree in computer science, Information Systems, or related field. Enterprise Solution Architecture Expertise: 10 years + experience as a Enterprise/Senior Solution Architect within a global/national organisation, Strong knowledge of modern enterprise More ❯

leading commodities trading firm to hire an experienced Endur Developer to join their London-based Middle Office tech team. In this role, you’ll support and enhance critical regulatory systems built on the Openlink Endur platform, contributing to both legacy system management and the firm’s ongoing cloud transformation. Key Responsibilities Develop, enhance, and support the Openlink … Endur platform (AVS, JVS, OpenComponents – .NET/Java) Maintain and troubleshoot in-house applications integrated with Front and Middle Office systems Collaborate with Business Analysts, Technical Leads, and Architects to deliver scalable, high-quality solutions Ensure alignment with enterprise architecture standards and best practices Work within an Agile (Kanban) environment to deliver across the feature team backlog Utilise Azure More ❯

Governance for data ownership and security Design access controls and ensure data security and compliance Analyze requirements for new software and applications Support data migrations from legacy systems Optimize system performance and database systems Define security and backup procedures Work with architecture to build a comprehensive view of the enterprise environment Qualifications Proven experience as a More ❯

of this mission, the Data Engineer role focuses on the planning, execution, and management of data migration projects. Data Engineer are responsible for transferring data from legacy systems to new platforms, ensuring accuracy, consistency, and adherence to data integrity standards. Analyse existing data structures and understand business requirements for data migration. Design and implement robust data migration … RBAC implementation. Cloud automation and orchestration tools like Terraform and Airflow. Strong analytical skills to assess data quality, identify inconsistencies, and troubleshoot data migration issues. Understanding of database management systems (SQL Server, Oracle, MySQL and NoSQL) and SQL query optimisation. Ability to plan and execute data migration projects, manage timelines, and coordinate with stakeholders. Precision in handling large volumes More ❯

or micro-services architecture, mainly in Azure. At BIFFA, we have a significant legacy estate, and you will bring strategies to move away from legacy systems, focusing on the latest technology trends to enable business growth. Your core responsibilities include: Collaborating with technology and business stakeholders to develop a cross-business, multi-functional platform vision. … Data Persistence, and IaC. Collaborating with Product Managers and other architects to shape and align product roadmaps and feature delivery. Analyzing the current technology environment, including legacy systems, to identify deficiencies and technical debt, and recommending strategies for modernization. Monitoring industry and market trends to assess their impact on enterprise architecture. Driving digital innovation by leveraging emerging More ❯

alignment with our platform and the needs of our customers. MongoDB Pre-Sales Solution Architects are responsible for guiding our customers and users to design and build reliable, scalable systems using our data platform. Our team is made up of seasoned technical sales professionals, software architects, entrepreneurs, and developers who take direct responsibility for customer success, including the design … languages (e.g. Python, Node.js, SQL) and/or popular programming languages (e.g. C/C++, Java, C#) in a professional capacity Experience designing with scalable and highly available distributed systems in the cloud and on-prem Demonstrated ability to work with customers to review complex architecture of existing applications, providing guidance on how to improve by leveraging technology Excellent … with any of the major cloud providers Experience with database programming and data models Experience in data engineering or AI/ML projects Experience in transforming legacy systems and platforms into modern, scalable, and efficient technology stacks Understanding of popular sales methodologies/frameworks such as MEDDPICC/Command of the Message A MongoDB Certification What you More ❯

Lead initiatives in data cloud management, including usage monitoring and optimization. Configure and test disaster recovery processes, ensuring business continuity through backup and restore exercises. Archive or delete legacy data in line with governance and retention requirements. Delivery & Documentation Conduct data mapping exercises, analysing various sources and formats to … design fit-for-purpose models. Create and present complete logical data models to both technical teams and business stakeholders. Participate in scoping future platforms and assessing legacy systems for migration to Azure. Perform functional and systems analysis, producing supporting documentation (e.g., flowcharts, data diagrams). Be the lead in discovery workshops, weekly stand-ups, and cross … cloud databases, and file systems. Comfortable working with Power Automate, SharePoint, and Office 365 integrations. Basic knowledge of C# or PowerShell for custom data integration tasks. Experience troubleshooting production systems and optimizing SQL workloads. Strong understanding of database administration, performance, and scalability. Cloud certification (e.g., Azure Practitioner or equivalent) is highly desirable. Desirable Experience with AWS services and data More ❯

Data Migration & Integration: Lead complex data migration efforts, ensuring seamless transition and data integrity across systems. Legacy Modernisation: Lead data transformation initiatives to modernise legacy systems, ensuring seamless migration to modern architectures while maintaining data integrity and optimising performance. Technical Leadership: Provide guidance on best practices for data architecture, data engineering, and AI-driven solutions. More ❯

delivery model. Career Growth : Access to training, certifications, and opportunities to shape technical standards. ?? What You'll Do: Lead end-to-end data migration projects from legacy systems to D365. Design, build, and assure robust migration pipelines using SSIS, KingswaySoft, Azure Data Factory, and more. Define best practices, mentor data engineers, and drive continuous improvement. Engage with More ❯

ZILO is focused on transforming global transfer agency by providing a single global solution that replaces legacy technology and systems. Our mission is to create sustainable value for firms and the customers they serve, all while putting people first. With a design-driven approach and a commitment to innovation, our team of experts has unified the full breadth … Bachelor's degree in computer science, engineering or related field. Minimum of 3 years of experience in data engineering roles. Strong proficiency in SQL, ETL processes and database management systems (e.g., MySQL, PostgreSQL, MongoDB). Hands-on experience with AWS services for data processing, storage and analysis (e.g., S3, Redshift, EMR, Glue). Familiarity with programming languages such as More ❯

leadership skills. Key responsibilities: Define end-to-end cloud architectures aligning with business and technology objectives. Develop strategies for cloud adoption, migration, and modernization, ensuring seamless transitioning from legacy systems. Design and implement multi-cloud, hybrid cloud, or cloud-native architectures for scalability and resilience. Provide architectural guidance on security, compliance, and governance in cloud solutions. Collaborate with … conceptual application architectures, ensuring standardization and reusability across cloud environments. Enable automated deployment, CI/CD pipelines, and Infrastructure-as-Code (IaC) for streamlined application lifecycle management. Support legacy application modernization, helping organizations transition from monolithic to cloud-native architectures. Strategic Engagement & Leadership Work closely with senior leadership to align IT strategies with cloud transformation objectives. Define security … masking, access policies). Experience in microservices, containerization, and serverless computing. Proficiency in API management, application security, and CI/CD automation. Deep understanding of transitioning strategies from legacy to cloud-native applications. Security & Compliance - Strong understanding of cloud security controls, IAM, compliance frameworks (GDPR, SOC2, NIST), and threat mitigation strategies. Strategic Collaboration - Experience working with CIOs and More ❯

leadership skills. Key responsibilities: Define end-to-end cloud architectures aligning with business and technology objectives. Develop strategies for cloud adoption, migration, and modernization, ensuring seamless transitioning from legacy systems. Design and implement multi-cloud, hybrid cloud, or cloud-native architectures for scalability and resilience. Provide architectural guidance on security, compliance, and governance in cloud solutions. Collaborate with … conceptual application architectures, ensuring standardization and reusability across cloud environments. Enable automated deployment, CI/CD pipelines, and Infrastructure-as-Code (IaC) for streamlined application lifecycle management. Support legacy application modernization, helping organizations transition from monolithic to cloud-native architectures. Strategic Engagement & Leadership Work closely with senior leadership to align IT strategies with cloud transformation objectives. Define security … masking, access policies). Experience in microservices, containerization, and serverless computing. Proficiency in API management, application security, and CI/CD automation. Deep understanding of transitioning strategies from legacy to cloud-native applications. Security & Compliance - Strong understanding of cloud security controls, IAM, compliance frameworks (GDPR, SOC2, NIST), and threat mitigation strategies. Strategic Collaboration - Experience working with CIOs and More ❯

A) . The new property will operate under a separate brand , requiring distinct technical, operational, and distribution strategies. This role is critical in architecting a clean separation from existing systems while ensuring the new brand is intentionally excluded from direct digital distribution platforms and to be sold only on OTAs and GDS. The architect will also lead a comprehensive … impact assessment across systems, operations, and digital channels. Key Responsibilities: ·Design and lead the migration of existing PMS infrastructure to Oracle Opera Cloud PMS for the newly acquired property. ·Architect a technical and operational separation of systems to support a distinct, standalone brand identity. ·Define and implement restrictions to prevent the new property from being sold or marketed … websites. ·Define and implement strategies to sell the new property on GDS and OTAs ( booking.com , Expedia). ·Conduct detailed impact assessments across current customer technology platforms, guest experience, financial systems (FUSION), interfaces, and internal operations. ·Develop data migration strategies ensuring accuracy, compliance, and data integrity throughout the transition. ·Collaborate with stakeholders from IT, operations, e-commerce, revenue management, and More ❯

experience. Evaluating and integrating CRM and Commerce solutions from leading platforms (Salesforce, Microsoft, Oracle, etc.) based on client needs. Designing architectures that integrate CRM and commerce solutions with ERP systems, data platforms, analytics tools (Tableau, Power BI), and external systems. Leading large-scale digital transformation projects, ensuring CRM solutions align with ERP, data lakes, cloud infrastructure, and CI/… or retail sectors. Proven experience with CRM platforms like Salesforce, SAP, Microsoft Dynamics, or Oracle across sales, service, and marketing functions. Expertise in delivering complex CRM integrations with external systems such as Data Lakes, ERP, and analytical platforms. Experience with commerce platforms (e.g., Salesforce Commerce Cloud, Adobe Commerce) and integration tools (e.g., Mulesoft, Dell Boomi). Knowledge of legacy More ❯

Participate in broader architectural discussions ensuring robust data governance principles are adhered to and suitable processes and tooling are in place Design and specifications development for migration from legacy system to the new developed products Ensure solutions are implemented correctly, properly documented and easily supported by the team. This list is not exhaustive and may include other tasks … PowerBI or Tableau Data extraction and manipulation languages e.g. SQL, Python Knowledge of statistical software and packages such as R, Matlab, Pandas, NumPy or SciPy Experience with algorithmic trading systems and low-latency trading Knowledge of financial markets is desirable but experience of working in other "big data" or HPC environments is equally valid. Hours of work: 40 hours More ❯

Social network you want to login/join with: Senior Full Stack C# .NET Developer, bath col-narrow-left Client: WebX Systems Ltd. Location: bath, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 9 Posted: 06.06.2025 Expiry Date: 21.07.2025 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 … a proactive, experienced Senior Full Stack .NET Developer to help evolve our product suite. You’ll work across both legacy Windows desktop applications and modern web-based systems and help lead the transition toward cloud-native architecture. This role is perfect for someone who enjoys innovating within established environments while also driving forward new development. Technology Stack More ❯

Social network you want to login/join with: Senior Full Stack C# .NET Developer, woking col-narrow-left Client: WebX Systems Ltd. Location: woking, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 9 Posted: 06.06.2025 Expiry Date: 21.07.2025 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 … a proactive, experienced Senior Full Stack .NET Developer to help evolve our product suite. You’ll work across both legacy Windows desktop applications and modern web-based systems and help lead the transition toward cloud-native architecture. This role is perfect for someone who enjoys innovating within established environments while also driving forward new development. Technology Stack More ❯