6 of 6 Legacy Systems Jobs in the City of 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 ❯

the Snowflake platform. System Analysis: Evaluate system requirements to ensure compatibility and performance. Legacy Migration: Lead data migrations from legacy systems to modern Snowflake environments. Security & Compliance: Implement robust data security protocols aligned with regulatory and organizational standards. Stakeholder Collaboration: Work cross-functionally to translate … data needs into actionable architecture and solutions. Performance Tuning: Continuously optimize data pipelines and database systems for speed and efficiency. Documentation: Produce and maintain architecture documentation, technical specs, and design artefacts. What We're Looking For Industry Expertise: Must have hands-on experience in the Lloyd's of London More ❯

Integration Lead. This hire will help architect and execute the company-wide data infrastructure from the ground up. Building the data warehouse, connecting disparate systems, and driving the overall data vision. £500 p/day (Outside IR35) 6 months (with view to extend) Hybrid - London (city)/remote. The … and scalable data infrastructure. Proven experience in building and managing data warehouses (e.g., Microsoft, Oracle, or Snowflake platforms) Strong familiarity with Microsoft and Oracle systems and environments is essential Deep experience integrating CRM and financial platforms Solid understanding of ETL/ELT processes and modern data pipeline tools Hands … on experience managing data migrations from diverse legacy systems into new consolidated environments (e.g., post-M&A or system upgrades) Strong strategic mindset with the ability to own, articulate, and execute a data strategy Excellent communication and stakeholder management skills, with the ability to influence at all 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 ❯

controls, processes, and reporting. Supporting the delivery of accurate and timely management information. Assisting with the migration of data from legacy accounting systems to the group’s accounting software. Key requirements ACA/CA qualified accountant, preferably trained in audit A minimum of 3 years experience, ideally More ❯