126 to 150 of 198 Legacy Systems Jobs in London

the UK’s leading retail organisations is seeking a contract Data Product Manager to join a strategic data migration programme , playing a critical role in transitioning legacy systems to a modern, governed data platform. 🔍 The Mission: Own and lead a core backend data platform during a major migration initiative - ensuring that data products are seamlessly and securely More ❯

to build in-house cloud services, particularly regarding availability, troubleshooting, and cost management. Upskilling and training department staff and providing operational escalation support when required. Supporting legacy systems as needed. Following Agile methodology for planned work with tasks and time estimates on a two-week cycle. Delivering work according to design specifications and within agreed timeframes. Participating More ❯

across the data lifecycle Collaborating with Principal ML Engineers, Product Managers, and Engineering Directors to solve high-impact business problems Championing data platform evolution from fragmented legacy systems to streamlined, scalable infrastructure SKILLS AND EXPERIENCE The successful Principal Data Engineer will have the following skills and experience: 7+ years in data engineering, ideally within consumer-facing tech More ❯

removing blockers, and ensuring critical infrastructure projects are delivered with speed and precision. You’ll take ownership of key ICT initiatives including data centre exits, cloud migrations, and legacy system decommissioning. Your role will ensure that teams stay focused, obstacles are resolved quickly, and milestones are consistently achieved. Responsibilities: Own and deliver multiple infrastructure projects from scoping to More ❯

data analytics and AI to inform strategies. Implement technology practices in accordance with security, compliance, and regulatory requirements, actively managing risks. Lead digital transformation projects, modernizing legacy systems and developing digital solutions to enhance customer, client, and colleague experiences. Manage the technology team, including hiring, training, mentoring, and resource allocation to achieve team goals. Oversee technology budgets More ❯

removing blockers, and ensuring critical infrastructure projects are delivered with speed and precision. You’ll take ownership of key ICT initiatives including data centre exits, cloud migrations, and legacy system decommissioning. Your role will ensure that teams stay focused, obstacles are resolved quickly, and milestones are consistently achieved. Responsibilities: Own and deliver multiple infrastructure projects from scoping to More ❯

requirements and translate them into technical specifications. Troubleshoot and resolve technical issues across the application stack as they arise. Maintain and improve existing codebases and refactor legacy systems to enhance performance. Requirements 7+ years experience as a full-stack engineer Ad-tech experience is preferred Discord experience is preferred AI-proficient to maximise efficiency in your workflow More ❯

inform business strategies. Implementation of technology practices according to security, compliance, and regulatory requirements, actively managing risks. Digital transformation/change projects, programmes, and initiatives, modernising legacy systems and developing new digital solutions to enable customers, clients, and colleagues. Management of the technology team, including hiring, training, mentoring, and setting team goals, ensuring resources and support for More ❯

all business units to help distribution provide focus in our underwriting approach for best value operational return Help provide feedback and direction as we transition from legacy systems to guidewire and implement salesforce into the business Perform other duties as assigned What Will Our Ideal Candidate Have? Previous experience in a similar role The ability to translate More ❯

financial technology company at the epicenter of the emerging internet of money, where value can finally travel like other digital data globally, nearly instantly and less expensively than legacy settlement systems. This ground-breaking new internet layer opens up previously unimaginable possibilities for payments, commerce and markets that can help raise global economic prosperity and enhance inclusion. Our More ❯

job requisition id JR Agency : Havas Group Job Description : Plan and direct the information processing activities of the organization and coordinate the effective design, implementation and operation of information systems and applications. Job Title: IT Infrastructure Manager Location: Hybrid (London HQ and remote working) About Us: We are seeking a hands-on IT Infrastructure Manager to join our Infrastructure … team. This role involves supporting our current systems and services, as well as leading new projects, solutions, and platforms across both on-premise and cloud environments. Havas Group is a global communications company, delivering advertising, marketing and media buying to many UK and global clients. Havas IT provides all aspects of IT services to the UK and IE based … to detail and a commitment to thorough documentation. Cloud Hosting: Experience with IaaS/PaaS/SaaS hosting (preferably Azure), including the consolidation and modernization of legacy systems to fit cloud environments. Relevant certifications in support and architecture. Networking: Robust networking background, with experience in managing multiple sites from firewalls to edge switches (Palo Alto, HP, Cisco More ❯

modernisation program. You'll lead the management and evolution of test environments, ensuring they are reliable, scalable, and aligned with strategic goals. The role spans both legacy systems and new services, requiring a blend of technical expertise, environment oversight, and collaboration across teams. Key Responsibilities: Strategy & Planning : Help define and implement a test environment strategy aligned with More ❯

stack from the ground up. This isn't a plug-and-play dashboarding role. This is hands-on transformation work. They're mid-project, moving from legacy systems into Snowflake . SIGMA is being rolled out as the new reporting tool. What they need is someone who can translate messy data into clean, usable insights - and build More ❯

privacy, leveraging data analytics and AI for insights. Implement technology practices compliant with security, regulatory, and policy requirements, actively managing risks. Lead digital transformation projects, modernizing legacy systems and developing digital solutions. Manage the technology team, including hiring, training, mentoring, and resource allocation. Oversee technology budgets, prioritize resources, optimize costs, and mitigate financial risks. Director Expectations Provide More ❯

AI to extract insights and inform strategies. Implement technology practices that comply with security, regulatory, and policy requirements, actively managing risks. Lead digital transformation projects, modernizing legacy systems and developing digital solutions to enhance customer, client, and colleague experiences. Manage the technology team through hiring, training, mentoring, and resource allocation to ensure team success. Oversee technology budgets More ❯

kept current. Implementation of work in accordance with policies and controls and are actively managing risks. . Digital transformation/change projects, programmes and initiatives, modernising legacy systems new and enhanced digital solutions to enable customers, clients and colleagues Management of the technology team includes hiring, training, mentoring, and setting and achieving team goals and ensuring that More ❯

kept current. Implementation of work in accordance with policies and controls and are actively managing risks. . Digital transformation/change projects, programmes and initiatives, modernising legacy systems new and enhanced digital solutions to enable customers, clients and colleagues.. Management of the technology team includes hiring, training, mentoring, and setting and achieving team goals and ensuring that More ❯

kept current. Implementation of work in accordance with policies and controls and are actively managing risks. . Digital transformation/change projects, programmes and initiatives, modernising legacy systems new and enhanced digital solutions to enable customers, clients and colleagues. . Management of the technology team includes hiring, training, mentoring, and setting and achieving team goals and ensuring 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 ❯

platform. Design, develop, and maintain critical software components using Java , Spring Boot , and Spring Cloud in a Microservices architecture. Build and enhance RESTful APIs that integrate seamlessly with other systems and services. Work with cloud infrastructure, primarily AWS , to deploy and support applications in production environments. Collaborate with cross-functional teams to ensure the delivery of high-quality software … retrocession. Exposure to containerization tools such as Docker or Kubernetes . Relevant certifications in Java development, AWS, or DevOps tools are a plus. Experience with cloud modernisation and legacy system migration. What We Can Offer You: Competitive Compensation & Pension Scheme: Rewarding your expertise while helping secure your financial future. Comprehensive Benefits Package: Including DXC Select , Perks at Work … purchase IT or other equipment on our behalf.More information on employment scams is available here . About Us DXC Technology (NYSE: DXC) helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability across public, private and hybrid clouds. The world's largest companies and public sector organizations trust More ❯

connect traditional finance with blockchain technology . Our flagship product, the Ownera Router , powered by the FinP2P protocol , enables seamless connectivity between institutions, blockchains, and legacy financial systems to unlock new opportunities in digital asset trading and tokenization . Job Overview We are seeking a Senior Technical Delivery Manager to join our delivery team and drive end More ❯

a day to day basis. Be a trusted and respected leader. Building and running a highly effective team that delivers customer outcomes and develops the team and individuals. Introduce systems, processes and experience to improve delivery output. Support business development initiatives and produce compelling consultancy propositions for public sector opportunities. Draw on your sector network and take responsibility for … a day to day basis. Be a trusted and respected leader. Building and running a highly effective team that delivers customer outcomes and develops the team and individuals. Introduce systems, processes and experience to improve delivery output. Support business development initiatives and produce compelling consultancy propositions for public sector opportunities. Draw on your sector network and take responsibility for … Infrastructure (CNI), ideally across energy generation, utilities, or similar regulated sectors. Strong understanding of Operational Technology (OT) environments, with hands-on experience in securing and modernising legacy systems, including DCS, SCADA, and ICS, aligned to NCSC CAF, IEC 62443, and NIST 800-82. Direct experience supporting Ofgem regulatory reporting and compliance, including preparation of ISSA returns More ❯

international environment. This is not a “keep the lights on” role. We’re looking for a visionary technology leader with a proven track record in modernising legacy systems, managing strategic IT budgets, and building empowered, high-performing teams. Key Responsibilities: Drive a technology and AI-led transformation , delivering secure, scalable digital solutions. Lead global cybersecurity, data protection … IT programmes , vendor relationships, and risk management frameworks. Shape the organisation’s AI strategy and explore emerging technologies for impact. You’ll Bring: Deep knowledge of IT infrastructure, digital systems, and data governance . Expertise in UK/EU GDPR, ISO27001 , and cybersecurity best practices. Strong background in enterprise architecture and legacy system transformation. Strategic leadership experience More ❯

international environment. This is not a “keep the lights on” role. We’re looking for a visionary technology leader with a proven track record in modernising legacy systems, managing strategic IT budgets, and building empowered, high-performing teams. Key Responsibilities: Drive a technology and AI-led transformation , delivering secure, scalable digital solutions. Lead global cybersecurity, data protection … IT programmes , vendor relationships, and risk management frameworks. Shape the organisation’s AI strategy and explore emerging technologies for impact. You’ll Bring: Deep knowledge of IT infrastructure, digital systems, and data governance . Expertise in UK/EU GDPR, ISO27001 , and cybersecurity best practices. Strong background in enterprise architecture and legacy system transformation. Strategic leadership experience More ❯

s a level playing field that gives small businesses with a fighting chance against the giants of the high street. We're here because we see banks and legacy service providers making things harder for them. We don't think the best technology or the best service should be reserved for those with the biggest headquarters. We're … challenge constructively and navigate sensitive people topics with empathy and integrity. A hands-on, builder's mindset, comfortable creating new approaches, iterating quickly, and operating without legacy systems or heavy process. The Perks We trust you, so we offer flexible working hours, as long it suits both you and your team Physical and mental health support through More ❯