6 of 6 Permanent Legacy Applications Jobs in the City of London

required by a leading financial services firm in the City. Core part of the role is and resolving tickets tied to legacy applications - VB.NET, SQL, C#. Key Responsibilities First point of contact for legacy system issues—triaging, updating, and resolving support tickets Investigate issues within … legacy applications - VB.NET, SQL, and C#. Execute SQL queries and data updates for fixes, adhering to ITIL-aligned incident and change protocols Monitor system alerts and performance metrics Key Skills - MUST HAVES Proven experience in customer-facing technical support, with a service-first mindset. General knowledge ...

Engineer – Application Modernization (Contract) About the Role: We’re looking for a hands-on software engineer to help modernize a suite of critical financial applications that support Reference Data, the backbone of trading and market workflows. This role offers the chance to upgrade legacy systems, improve reliability … ensure data-driven systems remain secure and maintainable for the future. Responsibilities: Take legacy applications written in Kotlin, Java, and C# and bring them up to modern standards Review and understand existing systems to identify areas for improvement Plan and execute upgrades, ensuring seamless integration and minimal ...

direction. 🧠 The Role You’ll work closely with the new Tech Lead and wider engineering group to rebuild internal platforms, modernise legacy applications, and support a major shift toward cloud-native, data-centric engineering. Your work will include: 💡 You will be responsible for building and enhancing applications … suite of C#-based systems, ensuring they remain robust, scalable, and aligned with business needs. 🏗️ You will design and model databases for data-heavy applications, playing a key role in shaping how data is structured, stored, and accessed. 🌐 You will develop front-end applications, ideally having experience building ...

Responsibilities & Duties Responsibilities include but are not limited to: Working as part of an Agile development team to deliver the migration of the legacy application to new event-based and service-oriented architecture solution, working in collaboration with the Solution Architect, Technical Lead, Application architects and other stakeholders. ...

building sustainable communities. Job Description: Title : Architect Location : London , UK About the Role HANDS-ON Architecture definition and implementation experience on a Legacy App Modernization project. Legacy App could be Visual Basic/Oracle Forms/Power Builder/Old Java Monolithic Apps. Modernised App should … customer environments, recommending improvements that enhance efficiency, scalability, and business value. Application & Data Modernization Lead end-to-end modernization of monolithic Java/J2EE applications into scalable microservices using Domain-Driven Design. Architect and implement database modernization strategies, including migration from Oracle Exadata/ExaCC to PostgreSQL or other ...

days per month which is mandatory. Responsibilities & Duties Working as part of an Agile development team to deliver the migration of the legacy application to new event-based and service-oriented architecture solution, working in collaboration with the Solution Architect, Technical Lead, Application architects and other stakeholders. Lead … skills Experience of Public Cloud development Desirable Skills: Working in an Agile development team Designing and implementing platform independent, database independent event driven applications Database design skills in technologies such as Oracle Splunk DevOps principles, processes and tooling IBM MQ Messaging Standards, for example ...