3 of 3 Permanent Legacy Applications Jobs in the City of London

estate. This organisation is investing heavily in modernising its technology environment, including the implementation of Dynamics 365, Microsoft Fabric and the replacement of legacy systems. You'll join an established transformation team and act as the key Solutions Architect, helping define how systems, platforms and integrations fit together … across Dynamics 365, Azure, Power Platform, Microsoft Fabric and wider enterprise systems Design integrations and support the migration and decommissioning of legacy applications Work with development teams, technical specialists and external suppliers to turn architecture into deliverable solutions Provide technical leadership while helping shape the longer-term ...

zones, hands‐on with Terraform and Helm Architect platforms that host and serve generative AI systems (LLM hosting, LLM gateways, agentic workflows) Guide legacy application modernisation, microservices migrations, and API integrations Implement security end‐to‐end across the platform: security tooling built into CI/CD pipelines, namespace ...

Intercontinental Exchange (ICE) seeks a Senior Data Engineer to design and optimise SQL queries, develop stored procedures, and migrate legacy apps to support ICE Derivatives and ICE Mortgage. The candidate will design Snowflake-based data warehouses, develop ETL/ELT pipelines using SQL, Python, and Snowflake procedures ...