26 to 50 of 223 Legacy Systems Jobs in the UK

Lead Contract length: 6 months Rate: £500/day (Inside) Location: Greater London area Working arrangement: once a week Want to lead a shift from legacy data systems into MS Power Platforms within the public sector? Or have experience in MS Power Platforms and looking for your next interim assignment? We need a decisive expert to optimise … custom Power Apps and Flows, replacing manual processes. You will be the key driver of this transformation. Key responsibilities: Architect the Migration: Design transfer strategies from legacy systems (Agresso, Business objects) to the Power Platform. IT Skills: Demonstrable skills in Power BI, Power Apps, and Power Automate. Data Governance: Establish quality and cleansing protocols using SQL and More ❯

Lead Contract length: 6 months Rate: £500/day (Inside) Location: Greater London area Working arrangement: once a week Want to lead a shift from legacy data systems into MS Power Platforms within the public sector? Or have experience in MS Power Platforms and looking for your next interim assignment? We need a decisive expert to optimise … custom Power Apps and Flows, replacing manual processes. You will be the key driver of this transformation. Key responsibilities: Architect the Migration: Design transfer strategies from legacy systems (Agresso, Business objects) to the Power Platform. IT Skills: Demonstrable skills in Power BI, Power Apps, and Power Automate. Data Governance: Establish quality and cleansing protocols using SQL and More ❯

Lead Contract length: 6 months Rate: £500/day (Inside) Location: Greater London area Working arrangement: once a week Want to lead a shift from legacy data systems into MS Power Platforms within the public sector? Or have experience in MS Power Platforms and looking for your next interim assignment? We need a decisive expert to optimise … custom Power Apps and Flows, replacing manual processes. You will be the key driver of this transformation. Key responsibilities: Architect the Migration: Design transfer strategies from legacy systems (Agresso, Business objects) to the Power Platform. IT Skills: Demonstrable skills in Power BI, Power Apps, and Power Automate. Data Governance: Establish quality and cleansing protocols using SQL and More ❯

wide data transformation. You will engage with a stakeholders across the organisation to understand the current landscape before creating and delivering a strategy that migrates current legacy systems to a new data warehouse-driven approach. Ultimately, making data a key enabler for both operational decisions and customer-facing insights. Key Responsibilities Spearhead the migration from legacy reporting systems to a centralised data warehouse. Own the transition to ensure there is a single source of truth that drives decision making. Work closely with leaders across all business functions to understand their requirements and turn them into clear and actionable insights. Oversee the selection and migration to a new BI platform to ensure reports and More ❯

Screening Systems Modernization Engineer Location: New York, NY Employment Type: Full-time About the Role We are seeking a hands-on technology leader to drive the modernization of compliance screening platforms. This role emphasizes expertise in FIRCO, Prime Compliance Manager, and Quantexa , with a focus on optimizing legacy systems into agile, cloud-native solutions. You'll … compliance requirements. Key Responsibilities Implement and optimize compliance screening platforms (FIRCO, Prime Compliance Manager, Quantexa). Design and deliver scalable cloud-native screening solutions. Develop integration strategies across partner systems and data platforms. Ensure systems meet AML, KYC, and sanctions compliance standards. Provide leadership on upgrades, API integrations, and data pipeline enhancements. Mentor engineering teams and support vendor More ❯

Screening Systems Modernization Engineer Location: New York, NY Employment Type: Full-time About the Role We are seeking a hands-on technology leader to drive the modernization of compliance screening platforms. This role emphasizes expertise in FIRCO, Prime Compliance Manager, and Quantexa , with a focus on optimizing legacy systems into agile, cloud-native solutions. You'll … compliance requirements. Key Responsibilities Implement and optimize compliance screening platforms (FIRCO, Prime Compliance Manager, Quantexa). Design and deliver scalable cloud-native screening solutions. Develop integration strategies across partner systems and data platforms. Ensure systems meet AML, KYC, and sanctions compliance standards. Provide leadership on upgrades, API integrations, and data pipeline enhancements. Mentor engineering teams and support vendor More ❯

Hello {firstName}, My client within Financial Services is looking for a Senior C#.Net Developer to join their team. The role will be working on strategic transformation of a legacy system built on PHP and Oracle, migrating to a modern architecture using PostgreSQL and .NET (C# … . Requirements 5+ years of experience in .NET/C# development , with a strong focus on backend services and data access layers. Proven experience in migrating legacy systems , especially from Oracle to PostgreSQL or similar. Strong understanding of PL/SQL and experience translating stored procedures into application logic. Familiarity with PostgreSQL , including performance tuning and SQL … dialect differences. Experience working in hybrid environments where legacy and modern systems coexist. Comfortable using AI tools (e.g., GitHub Copilot, ChatGPT, code translators) to assist in development and migration tasks. Solid understanding of software architecture , design patterns, and integration strategies. Excellent communication skills and ability to work collaboratively in a cross-functional team. Contract: 6 Months Rolling More ❯

Hello {firstName}, My client within Financial Services is looking for a Senior C#.Net Developer to join their team. The role will be working on strategic transformation of a legacy system built on PHP and Oracle, migrating to a modern architecture using PostgreSQL and .NET (C# … . Requirements 5+ years of experience in .NET/C# development , with a strong focus on backend services and data access layers. Proven experience in migrating legacy systems , especially from Oracle to PostgreSQL or similar. Strong understanding of PL/SQL and experience translating stored procedures into application logic. Familiarity with PostgreSQL , including performance tuning and SQL … dialect differences. Experience working in hybrid environments where legacy and modern systems coexist. Comfortable using AI tools (e.g., GitHub Copilot, ChatGPT, code translators) to assist in development and migration tasks. Solid understanding of software architecture , design patterns, and integration strategies. Excellent communication skills and ability to work collaboratively in a cross-functional team. Contract: 6 Months Rolling More ❯

Job Summary Electrical and Software Modernisation Engineer required for permanent, full-time work in bristol. This role focuses on the modernization of electrical and software systems in existing packaging machinery. The ideal candidate will deliver tailored upgrade solutions, support legacy systems, and assist in integrating modern technologies into both existing and new equipment. This position requires … depending on experience Monday to Friday role Permanent role Asap Start Key Responsibilities Develop and implement electrical and software modernization solutions for legacy packaging equipment. Upgrade systems to enhance performance and extend equipment lifespan. Troubleshoot and resolve complex technical issues in collaboration with field service and engineering teams. Serve as a technical advisor for diagnostics and system … improvements. Document upgrade procedures and create service support materials. Travel to customer sites for installation and commissioning of modernization projects. Support integration of new control systems into existing machinery. Assist engineering teams with new equipment development and customer projects. Perform risk assessments and ensure compliance with relevant international electrical and safety standards. Participate in project meetings and support assembly More ❯

Job Summary Electrical and Software Modernisation Engineer required for permanent, full-time work in bristol. This role focuses on the modernization of electrical and software systems in existing packaging machinery. The ideal candidate will deliver tailored upgrade solutions, support legacy systems, and assist in integrating modern technologies into both existing and new equipment. This position requires … depending on experience Monday to Friday role Permanent role Asap Start Key Responsibilities Develop and implement electrical and software modernization solutions for legacy packaging equipment. Upgrade systems to enhance performance and extend equipment lifespan. Troubleshoot and resolve complex technical issues in collaboration with field service and engineering teams. Serve as a technical advisor for diagnostics and system … improvements. Document upgrade procedures and create service support materials. Travel to customer sites for installation and commissioning of modernization projects. Support integration of new control systems into existing machinery. Assist engineering teams with new equipment development and customer projects. Perform risk assessments and ensure compliance with relevant international electrical and safety standards. Participate in project meetings and support assembly 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 ❯

role in modernising national services used by millions. You'll join a large team, working on a variety of evolving assignments across multiple workstreams. Projects range from modernising legacy platforms to developing brand new, cloud-native solutions. Engineers in this team are rotated based on project demand, with regular extensions and reassignments - making this an ideal environment for … and support continuous delivery pipelines What You'll Bring Strong experience with Java (ranging from legacy versions to modern stacks) Comfortable working across both legacy systems and greenfield projects Experience with microservices, TDD, unit testing, and CI/CD Understanding of Docker, Kubernetes, and cloud platforms like AWS or Azure Exposure to SQL/NoSQL More ❯

Do you have experience of moving data from legacy systems to new IT systems? Have you worekd with D365 F&O previously? This could be the role for you! An exciting opportunity has arisen for a Date Engineer to join a well-established manufacturing business based. This role is crucial in supporting the successful implementation and … ongoing operation of Microsoft Dynamics 365 Finance & Operations (D365 F\&O). You'll be responsible for migrating manufacturing-related data from a legacy system, ensuring its accuracy, and maintaining high-quality master data to support production processes. Data Engineer - Key Responsibilities - D365, F&O, ERP, IT, Manufacturing Cleanse and migrate manufacturing data (BOMs, routes, resources, inventory) into More ❯

Apply: Joining a busy Application Services Development Team, you will be supporting the enhancements and modifications of key Policing applications as well as the migration of legacy systems to new systems and necessary integrations. It's a fascinating role developing and enhancing a Police Forces Applications, (as well as the API's so that they integrate More ❯

translating business needs into data solutions. Process Improvement: Proven track record of streamlining data workflows. Data Quality: Experience in data cleansing and ensuring consistency across systems. Legacy Systems: Familiarity with data extraction from systems like AS400. AI/ML Interest: Exposure to or interest in applying AI/ML in analytics is desirable. Communication: Excellent written 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 ❯

and ensuring quality throughout. Solve complex technical and business problems with pragmatic, results-oriented solutions. Our Tech We work across many projects, some involving integrations with Legacy systems, so a strong conceptual understanding of software architecture is key. Current and upcoming projects involve: Frontend: React, Angular, strong TypeScript knowledge Backend: C#, SQL (Postgres primarily, others possible), PHP More ❯

Legal services are delivered. DWF Office Locations: Manchester, Liverpool, Leeds, Newcastle, Birmingham, Bristol, Southampton, London, Edinburgh, Glasgow. Responsibilities Application Portfolio Mapping responsible for cataloguing all enterprise applications, documenting each systems purpose, capabilities, technology stack, ownership, and interdependencies. Identify areas of overlap or redundancy in functionality, especially those stemming from past acquisitions. Application Portfolio Analysis & Planning use data driven analysis … the current state to the target state. Align the roadmap closely with business priorities and ensure stakeholder engagement. Target Architecture Design - design and define an optimised landscape of core systems that effectively and efficiently support all business functions without unnecessary duplication. Ensure the target architecture is scalable, secure, and resilient, leveraging modern approaches such as cloud-native services, microservices … or service-oriented architecture and a well-structured data architecture. Integration & Migration Planning - plan and lead the integration of systems and data migration efforts required by the consolidation roadmap. Develop migration strategies for moving users and data from legacy systems to their new destinations. Technology Evaluation & Standardisation lead the evaluation and recommend the tools, platforms, and More ❯

/FMCG Employment Type: Contract/Freelance About the Role We are working on a major global initiative that bridges the gap between Operational Technology (OT) and Enterprise IT systems across a diverse and evolving manufacturing landscape. This role sits at the intersection of engineering, project delivery, and technology integration. You will lead complex IT/OT integration projects … working hands-on with site teams to connect plant-level systems into enterprise infrastructure - all while ensuring stakeholder alignment, risk mitigation, and practical on-the-ground execution. This role is ideal for someone with deep technical knowledge, strong project leadership, and experience navigating the challenges of real-world manufacturing environments. Key Responsibilities Lead the end-to-end delivery of … IT/OT integration projects across global manufacturing sites. Act as the bridge between engineering, IT, cybersecurity, and site operations. Assess, design, and implement solutions that integrate control systems, sensors, MES, and other OT assets into enterprise networks. Adapt solutions to a wide range of equipment vintages, from legacy systems to modern infrastructures. Ensure practical deployment More ❯

and guide the development function. This role is responsible for designing and implementing scalable, modern software solutions that meet business needs, while leading the transition of legacy systems into more flexible, web-based platforms using APIs and industry-standard practices. Technical & Architectural Skills Software architecture and system design Application modernization (legacy-to-web/platform … in collaboration with the current Development Manager, fostering a collaborative and high-performing environment. Architect and design modern, scalable applications and integrations, with a focus on transitioning from legacy platforms to modern solutions. Collaborate with stakeholders and change management teams to gather requirements and translate them into clear, actionable technical specifications. Oversee the full software development lifecycle, ensuring … Computer Science, IT, or a related field, or equivalent practical experience. Proven experience as a Software Development Manager or in a similar leadership role. Strong background in modernizing legacy applications and integrating with web-based platforms. Solid understanding of software architecture, database design, integration patterns, and performance optimization. Familiarity with modern development methodologies, such as Agile and DevOps More ❯

and increase advanced analytics. What You'll Be Doing: Designing and building robust data pipelines using AWS Glue, Lambda, S3, and Redshift Leading the migration of legacy systems to a modern AWS architecture Ensuring data quality, integrity, and performance across platforms Developing scalable lakehouse and warehouse solutions Operationalizing machine learning models and analytics workflows Mentoring junior engineers More ❯

and real-world usage. Solve complex technical and business problems with pragmatic, results-oriented solutions. Our Tech We work across many projects, some involving integrations with Legacy systems, so a strong conceptual understanding of software architecture is key. Current and upcoming projects involve: Frontend: React, Angular, strong TypeScript knowledge Backend: C#, SQL (Postgres primarily, others possible), PHP More ❯

travel once per month to Newport Office). Join IPO's transformation programme as a Senior DevOps Engineer, where you'll support a modern platform, modernise Legacy systems and lead improvements to Azure DevOps and Terraform pipelines. You'll drive automation and embed DevOps best practices across the delivery life cycle. As a Senior DevOps Engineer you More ❯

our most pressing data problems including GenAI applications Integrate data from a variety of sources, assuring that they adhere to data quality and technical standards. Migrating legacy systems into a modern scalable platform Creating frameworks and processes for data pipelines across the data and analytics platform Improve data engineering processes and roll these out across our team More ❯

to support the frontend sites and automate business processes Extend service APIs, by replacing legacy services, and creating service gateways for integration into the legacy systems Set up test, UAT and live environments/continuous integration pipelines, for new sites using Azure, Azure Dev-Ops and IIS, including deployment tests to detect major issues as … early as possible Maintain DNS records and SSL certificates for sites and services Research, implement and document new tools and technologies to improve workflow. Develop Back End Systems Full Stack Development You will also be required to mentor staff. Call now for an immediate interview.. More ❯