151 to 175 of 340 Legacy Systems Jobs in the UK

your career at the intersection of technology, mathematics, and finance? Join an elite global trading firm where innovation drives everything — no legacy systems, no bureaucracy, just cutting-edge tech and world-class mentorship. You'll work on greenfield projects from day one, collaborating with exceptional engineers, quants … researchers to build the systems and models shaping the future of global trading. What You'll Do Design and enhance advanced trading systems and analytics platforms Develop and implement your own quantitative models and research ideas Collaborate closely with top technologists, quants, and portfolio managers Learn fast, build ...

your career at the intersection of technology, mathematics, and finance? Join an elite global trading firm where innovation drives everything — no legacy systems, no bureaucracy, just cutting-edge tech and world-class mentorship. You'll work on greenfield projects from day one, collaborating with exceptional engineers, quants … researchers to build the systems and models shaping the future of global trading. What You'll Do Design and enhance advanced trading systems and analytics platforms Develop and implement your own quantitative models and research ideas Collaborate closely with top technologists, quants, and portfolio managers Learn fast, build ...

your career at the intersection of technology, mathematics, and finance? Join an elite global trading firm where innovation drives everything — no legacy systems, no bureaucracy, just cutting-edge tech and world-class mentorship. You'll work on greenfield projects from day one, collaborating with exceptional engineers, quants … researchers to build the systems and models shaping the future of global trading. What You'll Do Design and enhance advanced trading systems and analytics platforms Develop and implement your own quantitative models and research ideas Collaborate closely with top technologists, quants, and portfolio managers Learn fast, build ...

your career at the intersection of technology, mathematics, and finance? Join an elite global trading firm where innovation drives everything — no legacy systems, no bureaucracy, just cutting-edge tech and world-class mentorship. You'll work on greenfield projects from day one, collaborating with exceptional engineers, quants … researchers to build the systems and models shaping the future of global trading. What You'll Do Design and enhance advanced trading systems and analytics platforms Develop and implement your own quantitative models and research ideas Collaborate closely with top technologists, quants, and portfolio managers Learn fast, build ...

your career at the intersection of technology, mathematics, and finance? Join an elite global trading firm where innovation drives everything — no legacy systems, no bureaucracy, just cutting-edge tech and world-class mentorship. You'll work on greenfield projects from day one, collaborating with exceptional engineers, quants … researchers to build the systems and models shaping the future of global trading. What You'll Do Design and enhance advanced trading systems and analytics platforms Develop and implement your own quantitative models and research ideas Collaborate closely with top technologists, quants, and portfolio managers Learn fast, build ...

your career at the intersection of technology, mathematics, and finance? Join an elite global trading firm where innovation drives everything — no legacy systems, no bureaucracy, just cutting-edge tech and world-class mentorship. You'll work on greenfield projects from day one, collaborating with exceptional engineers, quants … researchers to build the systems and models shaping the future of global trading. What You'll Do Design and enhance advanced trading systems and analytics platforms Develop and implement your own quantitative models and research ideas Collaborate closely with top technologists, quants, and portfolio managers Learn fast, build ...

your career at the intersection of technology, mathematics, and finance? Join an elite global trading firm where innovation drives everything — no legacy systems, no bureaucracy, just cutting-edge tech and world-class mentorship. You'll work on greenfield projects from day one, collaborating with exceptional engineers, quants … researchers to build the systems and models shaping the future of global trading. What You'll Do Design and enhance advanced trading systems and analytics platforms Develop and implement your own quantitative models and research ideas Collaborate closely with top technologists, quants, and portfolio managers Learn fast, build ...

your career at the intersection of technology, mathematics, and finance? Join an elite global trading firm where innovation drives everything — no legacy systems, no bureaucracy, just cutting-edge tech and world-class mentorship. You'll work on greenfield projects from day one, collaborating with exceptional engineers, quants … researchers to build the systems and models shaping the future of global trading. What You'll Do Design and enhance advanced trading systems and analytics platforms Develop and implement your own quantitative models and research ideas Collaborate closely with top technologists, quants, and portfolio managers Learn fast, build ...

your career at the intersection of technology, mathematics, and finance? Join an elite global trading firm where innovation drives everything — no legacy systems, no bureaucracy, just cutting-edge tech and world-class mentorship. You'll work on greenfield projects from day one, collaborating with exceptional engineers, quants … researchers to build the systems and models shaping the future of global trading. What You'll Do Design and enhance advanced trading systems and analytics platforms Develop and implement your own quantitative models and research ideas Collaborate closely with top technologists, quants, and portfolio managers Learn fast, build ...

your career at the intersection of technology, mathematics, and finance? Join an elite global trading firm where innovation drives everything — no legacy systems, no bureaucracy, just cutting-edge tech and world-class mentorship. You'll work on greenfield projects from day one, collaborating with exceptional engineers, quants … researchers to build the systems and models shaping the future of global trading. What You'll Do Design and enhance advanced trading systems and analytics platforms Develop and implement your own quantitative models and research ideas Collaborate closely with top technologists, quants, and portfolio managers Learn fast, build ...

your career at the intersection of technology, mathematics, and finance? Join an elite global trading firm where innovation drives everything — no legacy systems, no bureaucracy, just cutting-edge tech and world-class mentorship. You'll work on greenfield projects from day one, collaborating with exceptional engineers, quants … researchers to build the systems and models shaping the future of global trading. What You'll Do Design and enhance advanced trading systems and analytics platforms Develop and implement your own quantitative models and research ideas Collaborate closely with top technologists, quants, and portfolio managers Learn fast, build ...

your career at the intersection of technology, mathematics, and finance? Join an elite global trading firm where innovation drives everything — no legacy systems, no bureaucracy, just cutting-edge tech and world-class mentorship. You'll work on greenfield projects from day one, collaborating with exceptional engineers, quants … researchers to build the systems and models shaping the future of global trading. What You'll Do Design and enhance advanced trading systems and analytics platforms Develop and implement your own quantitative models and research ideas Collaborate closely with top technologists, quants, and portfolio managers Learn fast, build ...

your career at the intersection of technology, mathematics, and finance? Join an elite global trading firm where innovation drives everything — no legacy systems, no bureaucracy, just cutting-edge tech and world-class mentorship. You'll work on greenfield projects from day one, collaborating with exceptional engineers, quants … researchers to build the systems and models shaping the future of global trading. What You'll Do Design and enhance advanced trading systems and analytics platforms Develop and implement your own quantitative models and research ideas Collaborate closely with top technologists, quants, and portfolio managers Learn fast, build ...

your career at the intersection of technology, mathematics, and finance? Join an elite global trading firm where innovation drives everything — no legacy systems, no bureaucracy, just cutting-edge tech and world-class mentorship. You'll work on greenfield projects from day one, collaborating with exceptional engineers, quants … researchers to build the systems and models shaping the future of global trading. What You'll Do Design and enhance advanced trading systems and analytics platforms Develop and implement your own quantitative models and research ideas Collaborate closely with top technologists, quants, and portfolio managers Learn fast, build ...

your career at the intersection of technology, mathematics, and finance? Join an elite global trading firm where innovation drives everything — no legacy systems, no bureaucracy, just cutting-edge tech and world-class mentorship. You'll work on greenfield projects from day one, collaborating with exceptional engineers, quants … researchers to build the systems and models shaping the future of global trading. What You'll Do Design and enhance advanced trading systems and analytics platforms Develop and implement your own quantitative models and research ideas Collaborate closely with top technologists, quants, and portfolio managers Learn fast, build ...

your career at the intersection of technology, mathematics, and finance ? Join an elite global trading firm where innovation drives everything — no legacy systems, no bureaucracy, just cutting-edge tech and world-class mentorship . You’ll work on greenfield projects from day one, collaborating with exceptional engineers … quants, and researchers to build the systems and models shaping the future of global trading. 🔧 What You’ll Do 🧠 Design and enhance advanced trading systems and analytics platforms 📊 Develop and implement your own quantitative models and research ideas 🤝 Collaborate closely with top technologists, quants, and portfolio managers 🚀 Learn ...

challenges and deliver practical improvements. The ideal candidate is experienced with modern automation and monitoring tools, comfortable navigating both new and legacy systems, and capable of translating unclear requirements into actionable work. Strong communication skills and the ability to work effectively across a global team are important. … Experience with backup or storage systems is helpful but not required. Required Skills Ability to clarify and break down unclear requirements Strong Python development skills; familiarity with Perl and/or PowerShell is a bonus Experience with Git and CI/CD pipelines (e.g., Jenkins) Hands-on experience with ...

Application Security Consultant to support a long-standing, business-critical payments product within their Global portfolio. The focus of this role is a legacy IHCM application. The application is built on a Microsoft technology stack, including SQL Server and holds sensitive employee base data, making internal access control … Specialist or similar Strong understanding of application-level security, particularly user access management rather than external cyber threats Experience working with legacy systems and complex, long-established products Solid technical knowledge of Microsoft-based applications (e.g. SQL Server, enterprise apps) Comfortable influencing without coding - able to translate ...

Land Registry (HMLR) is undertaking one of the largest transformation programmes in government, modernising the digital systems that support over £7 trillion of property ownership. As a Data Engineer, you will support the development of HMLR's data engineering capability by helping to build and maintain reliable data pipelines … funding secured and a dedicated Data Engineering capability being formed for the first time, there is a crucial need to build strong, reliable data systems that can support future services and national programmes. As a Data Engineer, you'll work closely with senior data engineering colleagues and multidisciplinary teams ...

Land Registry (HMLR) is undertaking one of the largest transformation programmes in government, modernising the digital systems that support over £7 trillion of property ownership. As a Data Engineer, you will support the development of HMLR's data engineering capability by helping to build and maintain reliable data pipelines … funding secured and a dedicated Data Engineering capability being formed for the first time, there is a crucial need to build strong, reliable data systems that can support future services and national programmes. As a Data Engineer, you'll work closely with senior data engineering colleagues and multidisciplinary teams ...

Land Registry (HMLR) is undertaking one of the largest transformation programmes in government, modernising the digital systems that support over £7 trillion of property ownership. As a Data Engineer, you will support the development of HMLR's data engineering capability by helping to build and maintain reliable data pipelines … funding secured and a dedicated Data Engineering capability being formed for the first time, there is a crucial need to build strong, reliable data systems that can support future services and national programmes. As a Data Engineer, you'll work closely with senior data engineering colleagues and multidisciplinary teams ...

About the Role We're looking for a Principal Software Engineer to lead the migration and modernisation of a complex legacy application into a modern, scalable architecture. This is a hands-on technical role where … shape the design, guide the team, and ensure successful delivery of a critical transformation project. Key Responsibilities Drive the migration of legacy systems to modern, cloud-based solutions. Define and implement microservice architecture using a code-first approach . Apply strong architectural principles and design patterns ...

will act as a senior technical leader within the organisation, shaping architecture strategy and guiding engineering teams through the transition from legacy systems to modern, scalable cloud-based solutions. This is a highly influential, non-coding role focused on architectural direction, technical governance, and enabling teams … term skills development. Identify opportunities to improve developer experience, efficiency, and tooling across the engineering function. Skills & Experience: Proven experience leading large-scale legacy transformation and cloud migration initiatives. Strong background in modern architectural patterns, cloud-native design, and distributed systems. Deep understanding of security, networking, observability ...

Portal Transformation Expansion of e-billing and invoice capabilities API-based integrations Web and customer portal integration (“MyAccount”) Coordination with internal and third-party systems Key Responsibilities Lead end-to-end delivery of multiple concurrent digital and IT projects Manage cross-platform integrations across CRM, web, data, billing … commerce systems Own project governance including planning, RAID logs, change control, reporting and benefits tracking Coordinate stakeholders across IT, Marketing, Sales, Finance, Operations, Legal/InfoSec and external agencies Act as the bridge between technical teams and commercial/marketing stakeholders Manage third-party agencies (development, HubSpot, web, creative ...

fast-growing, acquisition-led organisation. Your core mission will be to migrate operational (CRM) and in time, finance data from multiple legacy systems into Microsoft Dynamics, repeatedly, reliably, and under pressure. You will work ... ...