8 of 8 Legacy Systems Jobs in Central London

a large-scale publishing platform. This platform integrates both modern and legacy technologies, and your role will be pivotal in maintaining existing systems while contributing to a long-term transition toward a more scalable and modern architecture. You ll work across the stack using technologies like .NET … love to hear from you. Key Responsibilities Design, develop, and maintain scalable web applications using .NET and Vue.js. Support and enhance legacy systems built with older .NET and Vue.js versions. Optimize database performance (SQL Server, MongoDB). Collaborate with cross-functional teams to gather requirements and implement … as Camunda. Proficient in automated testing using frameworks like NUnit or Playwright. Understanding of architectural patterns such as Domain-Driven Design (DDD), event-driven systems, and microservices. Knowledge of Behavior-Driven Development (BDD) and Test-Driven Development (TDD) methodologies. What s on Offer 4 Wellbeing days annually. Access to More ❯

of the DealCloud platform, ensuring seamless functionality and troubleshooting issues. Support system integrations and monitor application performance. Manage data migration from Legacy systems, ensuring accuracy and integrity. Collaborate with Investment Bankers, Operations, Business Support, and IT teams to tailor DealCloud to business needs. Drive a modern IT … and stakeholder management skills. Knowledge of Investment Banking best practices and regulatory requirements. Proficiency in Microsoft Office Suite and relevant software applications. Preferred: Information Systems Degree (2:1 or higher) If you're passionate about CRM technology and want to make an impact in a leading Investment Banking firm More ❯

Data Management team at a leading reinsurance broker in London. The successful candidate will play a key role in supporting the integration of Oracle systems and services, with a focus on policy and claims data, as part of our broader migration to the Azure cloud. Key Responsibilities: Develop and … data flows and reporting. Collaborate with data engineering teams to enable seamless integration with Azure cloud services. Support the migration of legacy systems to Azure using tools such as Azure Data Factory (ADF) and Databricks (desirable). Troubleshoot integration issues and ensure data accuracy, consistency, and availability. More ❯

Digital Communications Platforms (intranet and public website) * Deliver and integrate software applications to form a complete service, enabling the decommissioning of legacy systems and applications, migration to Cloud infrastructure, and deploying Commercial Off-The-Shelf products * Plan and lead development on sets of related stories * Work with … services you build, always seeking ways to improve system robustness, resilience and stability Skills required: * Web development (JavaScript; React; Node; HTML); AWS; version control systems (e.g. Atlassian, GitLab) * Experience of SharePoint, Drupal and/or MATOMO would be advantageous, but not vital. As an organisation and as a team More ❯

ensuring robust data governance principles are adhered to and suitable processes and tooling are in place Design and specifications development for migration from legacy system to the new developed products Ensure solutions are implemented correctly, properly documented and easily supported by the team. Required Skills and Experience Experience … Project Management skills required with the ability to shift between strategic planning and technical implementation Exposure and understanding of big data technologies and messaging systems Hands on experience working with unified analytics platforms such as DataBricks, GCP, AWS and familiarity with the available data governance tools. Good knowledge on … and manipulation languages e.g. SQL, Python Knowledge of statistical software and packages such as R, Matlab, Pandas, NumPy or SciPy Experience with algorithmic trading systems and low-latency trading Knowledge of financial markets is desirable but experience of working in other "big data" or HPC environments is equally valid. More ❯

Web Software Analyst Developer to lead a pivotal system transition project within the central IT department. You will take full ownership of a legacy web system – a bespoke PHP-based suite developed in-house – which integrates with internal data to offer tailored alternatives to broader systems. This is … technologies, including Microsoft’s Azure-based Power Platform. Key Responsibilities: Collaborate with the current system owner to gain a deep understanding of the legacy PHP 4-based platform. Maintain and support the existing system throughout the transition period. Thoroughly document workflows, functionalities, and integrations to ensure continuity. Consult … to ITS leadership and key faculty stakeholders. Essential Skills & Experience Deep understanding of PHP, SQL, and web architecture. Proven experience supporting and evolving legacy PHP systems. Skilled in reverse-engineering and documenting undocumented software platforms. Demonstrated success delivering projects using modern web or low-code solutions. Experience in More ❯

Web Software Analyst Developer to lead a pivotal system transition project within the central IT department. You will take full ownership of a legacy web system – a bespoke PHP-based suite developed in-house – which integrates with internal data to offer tailored alternatives to broader systems. This is … technologies, including Microsoft’s Azure-based Power Platform. Key Responsibilities: Collaborate with the current system owner to gain a deep understanding of the legacy PHP 4-based platform. Maintain and support the existing system throughout the transition period. Thoroughly document workflows, functionalities, and integrations to ensure continuity. Consult … to ITS leadership and key faculty stakeholders. Essential Skills & Experience Deep understanding of PHP, SQL, and web architecture. Proven experience supporting and evolving legacy PHP systems. Skilled in reverse-engineering and documenting undocumented software platforms. Demonstrated success delivering projects using modern web or low-code solutions. Experience in More ❯

from legacy system, data loading into the new system and local technical advisory support. The role will additionally support with CCL HRIS systems, specifically as they interact and integrate with the scheduling system, and some ad-hoc projects to enhance HRIS functionality locally in London. What makes … conduit between enterprise HRIS team and new system vendor support function What we need from you? Demonstrable experience working with scheduling and time-keeping systems in a technical support capacity (essential) Experience with on-site system support for a complex organization (essential) Experience increasing user capability and confidence in … HRIS systems, through development of job aids, coaching sessions and system best-practice demonstration sessions (essential) Exposure to 1st line/2nd line system support structures (desirable) Experience with Workday HR software or similar corporate HRIS systems (desirable) What can we offer you? As a private hospital with More ❯