151 to 175 of 272 Legacy Systems Jobs in the UK

play a key role in developing new features, building applications from the ground up, and supporting the migration of legacy systems to the latest version of .NET, including the use of containerisation. You'll also work closely with analysts and other developers to continuously improve product performance ...

using Terraform to manage scalable infrastructure. Operating within Cloud (Azure/AWS/GCP) design patterns, the Data Platform Engineer will support both legacy and modern systems. This is a fantastic opportunity for a Data Platform Engineer to join a collaborative and forward-thinking environment where innovation ...

shaping system architecture, driving best practice, and developing robust, maintainable solutions that are relied upon by customers worldwide. You will work closely with electrical, systems, and test engineers to deliver integrated solutions, contributing across the full lifecycle from concept and design through to delivery and long term support. Backed … software architecture and design, ensuring scalable and maintainable solutions Contribute to microservice architecture and Azure based modernisation initiatives Maintain and evolve legacy systems while planning for their future development Collaborate with multidisciplinary engineering teams in an agile environment Participate in code reviews, sprint planning, and CI/ ...

single specialization (T-shaped skillset) — preferred but not strictly mandatory. - Experience integrating front-end applications with APIs and backend services. - Solid understanding of distributed systems and cloud environments (AWS preferred). - Familiarity with CI/CD pipelines, automated testing, and modern delivery practices. - Experience with performance optimisation, debugging … observability tools. - Exposure to legacy systems and modernisation projects is advantageous. - Knowledge of secure coding practices and common security standards. - Experience mentoring engineers or influencing technical decisions is beneficial but not mandatory. ...

effort or cost-of-delay approaches.- Confident working with cross-disciplinary teams and senior technical stakeholders.- Comfortable operating in environments with legacy systems, competing priorities and incomplete information.- Excellent communicator, can translate complex technical issues into clear decisions and trade-offs.You’ll Thrive Here If You...- Care … deliver value - “product thinking for platforms.”- Believe in outcomes over output and in learning through iteration.- Value sustainability over speed, preferring well-designed, reliable systems to quick fixes.- Enjoy bringing structure and clarity to technically challenging, interdependent environments.- Are collaborative, pragmatic and curious - a steady hand in a complex ...

transformation. This is a highly strategic role, central to one of the organisation’s most critical modernisation initiatives, focused on migrating legacy systems to a scalable, cloud-based architecture. Working closely with the Technology Leadership Team, you will take ownership of programme delivery end-to-end—ensuring … across a complex and high-impact transformation. In this role, you will combine strong programme leadership with a solid understanding of cloud and legacy modernisation, enabling the organisation to transition from mainframe environments to modern, cloud-native platforms. Key Responsibilities Lead the end-to-end delivery ...

transformation. This is a highly strategic role, central to one of the organisation’s most critical modernisation initiatives, focused on migrating legacy systems to a scalable, cloud-based architecture. Working closely with the Technology Leadership Team, you will take ownership of programme delivery end-to-end—ensuring … across a complex and high-impact transformation. In this role, you will combine strong programme leadership with a solid understanding of cloud and legacy modernisation, enabling the organisation to transition from mainframe environments to modern, cloud-native platforms. Key Responsibilities Lead the end-to-end delivery ...

graph models and Cypher queries Build scalable, idempotent ETL/ingestion pipelines Architect PostGIS spatial schemas and queries Lead migration from legacy systems into graph architecture Expose data via high-performance APIs (REST/GraphQL) Apply AI tools to accelerate development while maintaining data quality Requirements Strong … experience (production optimisation) Solid PostGIS/spatial SQL expertise Experience with graph modelling and large-scale ETL pipelines Strong API design for data-heavy systems Nice to have: UK property data (UPRN), Kafka/event streaming, spatial data experience Details Remote: Europe time zones preferred Type: Full-time (strong ...

Cloud finance processes and issue resolution. Executed and validated finance data migration activities, including data mapping, cleansing, reconciliation, and migration from legacy systems into IFS Cloud. Collaborated with cross-functional teams (IT, functional consultants, and stakeholders) to ensure successful integration, reporting accuracy, and continuous improvement of finance ...

containerised deployment (Docker/Kubernetes) Database architecture optimisation - latency, cost efficiency, SQL Server performance tuning Experience leading and mentoring technical teams Comfortable with legacy system migrations as well as greenfield builds Good to Have B2B or regulated fintech/trading platform background Familiarity with BizTalk, Logic Apps ...

Excel and other tools Strong Python, R, SQL skills and experience Experience extracting and collating data from multiple legacy systems Experience with Data Reporting tools (e.g. Tableau/PowerBI) Experience working in an Agile and dynamic delivery environment in which change and ambiguity often exist Soft skills ...

Engineer to join a major replatforming and migration project focused on modernising existing software platforms and infrastructure. The role involves transforming legacy systems to be cloud-ready, enabling on-demand deployment and delivery through a Docker and Kubernetes-based stack. You will work closely with DevOps ...

Programme Manager - Data Platform, AI, Data Ecosystem, Data migration, Technology platforms, Analytics, AI Capabilities, Data Integration, Cloud, ERP, Snowflake, Service Transition, Legacy Systems, End-to-end, Transformation, Retail, Budget Management An amazing new opportunity has just become available to join a leading Retail company as a Programme ...

/Hybrid environments. Nice-to-Have: Domain expertise in Customer Support, Contact Centres, or Order Management . Previous experience with SAP migrations or legacy system modernisations. Proficiency in Jira, Confluence, Miro, and BPMN tools. Randstad Technologies is acting as an Employment Business in relation to this vacancy. ...

needs Competitive stock options program and location-based salary Who we are Sanity.io is a modern, flexible content operating system that replaces rigid legacy content management systems. One of our big differentiators is treating content as data so that it can be stored in a single source ...

platforms Ensure the applications estate delivers measurable business value, driving efficiency, performance and an excellent user experience Drive the modernisation of legacy systems, championing scalable, cloud‐based and low‐code solutions Lead and develop application development, configuration and support teams to ensure high‐quality, reliable delivery Ensure ...

This is a rare opportunity to define and own the data foundations of a growing, modern FinTech, shaping strategy rather than incrementally improving legacy systems. If you’re motivated by building trusted platforms, influencing enterprise decisions, and enabling AI in a regulated environment, we’d love to hear ...

This is a rare opportunity to define and own the data foundations of a growing, modern FinTech, shaping strategy rather than incrementally improving legacy systems. If you’re motivated by building trusted platforms, influencing enterprise decisions, and enabling AI in a regulated environment, we’d love to hear ...

Senior Technical Leader to drive the evolution of a trading platform within an investment bank. This role involves assessing current legacy systems and defining a clear technical roadmap for modernization. Candidates should have robust experience in investment banking and familiarity with Java and .NET systems. The position ...

commercially minded finance professional who enjoys systems, reporting transformation and making numbers genuinely useful to senior leaders? Gifford and Partners are working on behalf of a well-established and growing Yorkshire business seeking an experienced Project Accountant to lead a high-impact finance systems project over the next … will be doing Lead the rollout and implementation of IBM Planning Analytics (IBM PA) Extract and transition reporting data from legacy systems Build improved weekly and monthly reporting packs Support budgeting and forecasting models within the new platform Create logic-driven dashboards and meaningful management reports Partner ...

Bring Strong, confident leadership with the ability to build an engaged, high-performing culture Excellent commercial acumen and experience managing vendor relationships, including systems integrators Hands-on experience applying Agile frameworks Deep understanding of technologies, legacy systems and complex technical environments Proven ability to manage performance ...

latest AI tools and models, partner technical teams, and early capability previews that the wider market does not. We are deploying production AI systems into the world's most complex organisations across Financial Services, Energy, and Healthcare. We exist to make AI a genuine competitive advantage for our clients … where you built and shaped teams A true lifetime software engineer - you have written production code across your career, led architecture decisions on complex systems, and built engineering cultures that ship Deep passion for how AI is transforming software engineering - you are already using AI native development tools ...

across core back-office platforms including HR, Finance, and ERP. You'll lead the design of scalable, integrated architectures that modernise legacy systems and enable efficient, data-driven operations. Acting as a subject matter expert, you'll define target architecture, support business cases, and ensure technology choices … party providers, and guide teams to deliver high-value outcomes. We're looking for a pragmatic, influential architect with strong experience across HRIS, finance systems, ERP platforms, and enterprise integration within complex environments. A key role driving the evolution of critical business systems. ...

delivering, maintaining, and evolving our core on-premise and cloud-based infrastructure. Youll work across virtualisation, storage, server platforms, identity services, and high-availability systems to ensure our hybrid environment remains resilient, secure, and high-performing. Youll collaborate closely with colleagues across DDaT including Cyber Security, Networking, Software Development … Service Desk, and Business Systems to design, support, and optimise services that underpin our organisation. Youll also help modernise legacy systems, support migrations, and contribute to the ongoing development of our hybrid-cloud estate. Key Dates Closing date for applications ...

Developer with experience maintaining and enhancing critical business systems is sought by a 400m to logistics and distribution business based in Birmingham. This is a fantastic opportunity to join a stable, well-established organisation where your work will have direct impact on core logistics and distribution processes. … using RPG (RPG III/RPG IV/ILE RPG) - Working with green screen (5250) interfaces - Supporting and enhancing existing warehouse, distribution, and logistics systems - Troubleshooting and resolving system issues - Collaborating with internal teams to gather and refine requirements - Contributing to system improvements and modernisation initiatives where appropriate This ...