1 to 25 of 150 Permanent Legacy Systems Jobs in the UK

mission-critical data migration projects. You'll be part of an expert unit supporting onboarding for a new cloud platform - working directly with raw datasets from legacy systems and transforming them into future-ready digital infrastructure. What You'll Be Doing: Leading data migration and ETL projects for UK public sector software implementations Analysing and mapping legacy database schemas (Oracle, SQL Server, Postgres) Extracting raw data from legacy systems, often with limited documentation Writing and executing SQL scripts and/or using ETL tools to build data pipelines Creating transformation logic and performing reconciliation and validation Working closely with customers and internal teams to troubleshoot and ensure smooth migrations This role is … Problem-solving mindset when facing incomplete or messy data A consulting approach - proactive, collaborative, and detail-driven Nice to Have: Experience with UK Local Government datasets or public sector systems Familiarity with cloud platforms (Azure, AWS, GCP) Knowledge of spatial data tools (ArcGIS, QGIS) Experience with document management systems and data validation processes What's in it for More ❯

Systems Engineering Lead Location: Farnborough, with flexibility to work from home dependent on business demands The Role: We are in search of a Systems Engineering Lead for our Leidos engineering capability. The successful Systems Engineer will have a full understanding of the principles of systems engineering, will have prior experience as a Systems Engineer on … a major programme involving accepting and integrating deliveries from suppliers. As a Systems Engineer in Leidos, you will be immersed in one of our key programmes transformation from legacy systems to cloud. On behalf of our central government customer, you will have direct impact on the current and future iterations of one of our most important … pieces of critical national infrastructure. If this sounds like the kind of environment where you can thrive, keep reading! Using your experience in Systems Engineering, you will be responsible for working with customers and suppliers to execute/lead Systems Engineering activities across the full lifecycle. What Youll Be Doing: Leader of a high-performing team to deliver More ❯

Systems Engineering Lead Location: Farnborough, with flexibility to work from home dependent on business demands The Role: We are in search of a Systems Engineering Lead for our Leidos engineering capability. The successful Systems Engineer will have a full understanding of the principles of systems engineering, will have prior experience as a Systems Engineer on … a major programme involving accepting and integrating deliveries from suppliers. As a Systems Engineer in Leidos, you will be immersed in one of our key programmes transformation from legacy systems to cloud. On behalf of our central government customer, you will have direct impact on the current and future iterations of one of our most important … pieces of critical national infrastructure. If this sounds like the kind of environment where you can thrive, keep reading! Using your experience in Systems Engineering, you will be responsible for working with customers and suppliers to execute/lead Systems Engineering activities across the full lifecycle. What Youll Be Doing: Leader of a high-performing team to deliver More ❯

a wide variety of projects across both modern and legacy systems. Unlike companies where engineers spend years on the same product, this business offers exposure to diverse systems and infrastructures, from short-term initiatives to large-scale programmes. Following a recent restructure, the development function has been unified into a single, collaborative team. This creates a unique … remain hands-on, contributing across the full stack and helping deliver high-quality solutions. The position is varied, offering the chance to work across modern and legacy systems, cloud platforms, and a broad technology stack. It’s an excellent opportunity for someone who enjoys balancing coding and leadership responsibilities. Key Skills: Essential Strong background in C# software … MSSQL, Postgres, or equivalent) Proven track record in leading and mentoring developers Broad technical foundation with ability to work across frontend and backend Desirable RabbitMQ or other message broker systems HTML, CSS, JavaScript (React or Vue desirable) Redis, APIs, Git, Bootstrap, SOLR (or equivalent) Experience with both modern and legacy systems Candidate Profile: Senior engineer with More ❯

truly innovative technology. The role: We're seeking a versatile and proactive Senior Full Stack Developer to join our team and help bridge the gap between legacy systems and modern application development. This is a hands-on role working on a ColdFusion-based application backed by an Oracle database, with a strong emphasis on both front-end … and back-end capabilities. Key Responsibilities Develop and maintain full stack solutions using Oracle DB Support legacy system migration and ERP integration efforts Build and consume APIs to enhance application functionality Collaborate with offshore development teams to ensure smooth delivery and coordination Contribute to front-end development using modern technologies (e.g., HTML5, CSS3, JavaScript frameworks) Participate in code … SQL Exposure to ColdFusion or willingness to learn quickly Experience of front-end technologies and frameworks Experience with API development and integration (RESTful services) Familiarity with legacy systems and migration projects Ability to coordinate and communicate effectively with offshore teams The following benefits: 10% employer pension contribution 25 Days annual leave, plus public holidays Life assurance 4x More ❯

partner for a government agency's transformation programme. They are looking for a Lead Technical Architect to join the a high-profile initiative aimed at modernising legacy systems and improving data validation across the client's business gateway. This is a fully remote role, working within a blended agile team of consultancy and end client staff. You … To be considered, you'll need: Strong background in technical architecture within large-scale digital programmes Deep understanding of API Gateway design and enhancement Experience modernising legacy systems and migrating to cloud-native platforms Solid grasp of AWS (API Gateway, Lambda, S3, VPC) Familiarity with Java, DB2, relational databases, and network concepts Desirable experience includes: OpenAPI schemas More ❯

someone who has good programming skills Microsoft programming languages. The team uses cutting edge technology, but you will ideally be versed with a wide variety of legacy systems and migrating away from these to new cutting-edge technology solutions. These positions report to the Integration Lead and Architect and you will be working alongside a team of … . Responsibilities: Design and support all integration processes including migrations to and from new businesses as well as within internal applications and databases. Migrations away from legacy systems into new applications Review, support, feedback and size requirements produced by the Analysis team. Manage your delivery commitments within the relevant sprints to ensure timely and quality delivery of More ❯

someone who has good programming skills Microsoft programming languages. The team uses cutting edge technology, but you will ideally be versed with a wide variety of legacy systems and migrating away from these to new cutting-edge technology solutions. These positions report to the Integration Lead and Architect and you will be working alongside a team of … . Responsibilities: Design and support all integration processes including migrations to and from new businesses as well as within internal applications and databases. Migrations away from legacy systems into new applications Review, support, feedback and size requirements produced by the Analysis team. Manage your delivery commitments within the relevant sprints to ensure timely and quality delivery of More ❯

someone who has good programming skills Microsoft programming languages. The team uses cutting edge technology, but you will ideally be versed with a wide variety of legacy systems and migrating away from these to new cutting-edge technology solutions. These positions report to the Integration Lead and Architect and you will be working alongside a team of … . Responsibilities: Design and support all integration processes including migrations to and from new businesses as well as within internal applications and databases. Migrations away from legacy systems into new applications Review, support, feedback and size requirements produced by the Analysis team. Manage your delivery commitments within the relevant sprints to ensure timely and quality delivery of More ❯

someone who has good programming skills Microsoft programming languages. The team uses cutting edge technology, but you will ideally be versed with a wide variety of legacy systems and migrating away from these to new cutting-edge technology solutions. These positions report to the Integration Lead and Architect and you will be working alongside a team of … . Responsibilities: Design and support all integration processes including migrations to and from new businesses as well as within internal applications and databases. Migrations away from legacy systems into new applications Review, support, feedback and size requirements produced by the Analysis team. Manage your delivery commitments within the relevant sprints to ensure timely and quality delivery of More ❯

Join one of the UK's largest electrical wholesalers as we reimagine our technology for the digital age. We're modernising our legacy systems and building new platforms powered by AWS and AI - and we need creative minds to help us shape the future! About the Role: We're looking for a Talent Acquisition Partner with a … we work. What you'll bring: Proven experience in technology recruitment (either in-house or agency) with exposure to complex, hard-to-fill requirements. Previous experience using applicant tracking systems and ideally exposure to CRMs (we use LeverTRM). Deep understanding of the technology landscape - from engineering to emerging digital skills. Strong stakeholder management skills, with the confidence to … and a strong presence in the USA, Canada, Spain and Australia. Our IT and digital teams are driving the next chapter of our journey Re-engineering legacy systems, adopting modern cloud technologies and exploring AI to deliver faster, smarter and more connected customer experiences. We're a predominantly remote workforce with teams distributed across the UK, USA More ❯

Join one of the UK’s largest electrical wholesalers as we reimagine our technology for the digital age. We’re modernising our legacy systems and building new platforms powered by AWS and AI — and we need creative minds to help us shape the future! About the Role: We’re looking for a Talent Acquisition Partner with a … we work. What you'll bring: Proven experience in technology recruitment (either in-house or agency) with exposure to complex, hard-to-fill requirements. Previous experience using applicant tracking systems and ideally exposure to CRMs (we use LeverTRM). Deep understanding of the technology landscape – from engineering to emerging digital skills. Strong stakeholder management skills, with the confidence to … and a strong presence in the USA, Canada, Spain and Australia. Our IT and digital teams are driving the next chapter of our journey... Re-engineering legacy systems, adopting modern cloud technologies and exploring AI to deliver faster, smarter and more connected customer experiences. We’re a predominantly remote workforce with teams distributed across the UK, USA More ❯

varying levels of complexity and risk Communicate effectively across organisational, technical and political boundaries, making complex technical information accessible for non-technical audiences Design how to expose data from systems (APIs, real-time streams), link data from multiple systems, and deliver modern data services Ensure that risks associated with deployment are adequately understood and documented Design end-to … end data solutions from requirements through implementation, including technical documentation and architecture blueprints Lead complex data migration projects from legacy systems to modern cloud-native platforms Evaluate and recommend appropriate technologies across the modern data stack to meet specific client needs Mentor junior team members and collaborate with data engineers, software engineers, data scientists, and business stakeholders … and architectural patterns that ensure quality, security, and maintainability Help cultivate a data-driven culture within client organisations and internally Deliver architectures that seamlessly integrate traditional and modern data systems You Will Demonstrate Deep knowledge of the Azure data stack (Azure SQL Server, CosmosDB, Azure Data Factory, Purview, Synapse, Event Hub, Azure Databricks/Fabric) Extensive data modelling experience More ❯

IT Business Systems Analyst Location: Cullompton About Us: Welcome to Gregory Distribution Ltd, where technology and logistics come together to drive operational excellence. As part of our commitment to continuous improvement, we are undertaking a group-wide IT equipment upgrade. Join our dynamic Technology Team and be part of a project that will modernise and enhance our IT infrastructure … across the UK. Job Description: Join our dynamic Technology team as an IT Business Systems Analyst , where you'll play a pivotal role in shaping and supporting the systems that drive our visionary logistics solutions. This is more than just a technical role - it's an opportunity to make a real impact across our business, helping teams work … smarter and deliver exceptional service to our customers. Key Responsibilities: Championing Business-Critical Systems: Configure, maintain, and support essential line-of-business systems that power our operations and enable us to deliver cutting-edge logistics solutions. Driving Change and Innovation: Lead the planning, implementation, and testing of system updates, feature releases, and configuration changes - whether part of strategic 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 ❯

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 ❯

/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 ❯