8 of 8 Legacy Systems Jobs in West Yorkshire

platforms, applications and data landscapes. We are seeking an experienced Enterprise Architect to define and implement a group-wide architecture strategy that unifies these systems within a cohesive, scalable and future-ready environment, enabling us to accelerate innovation in a secure and scalable manner. We're seeking strong expertise … Develop and maintain a unified enterprise architecture framework that spans all acquired businesses Define standards and blueprints for integration, data architecture, and core enterprise systems Integration & Consolidation Lead the design of integration strategies to connect disparate platforms, applications, and processes across the group and with external third-parties Oversee ...

integration layers (OIC) to curate clean, well-modelled datasets. Contribute to data migration activities, ensuring accuracy, integrity and auditability throughout transitions from legacy systems. Apply security-by-design, access controls and logging appropriate for regulated MOD environments. Operate in Agile delivery squads with APEX devs, data engineers, integration ...

based technology company with their own air traffic management platform expanding its engineering team to support a major programme delivering secure, cloud-native systems for national defence users. This role sits within a highly experienced engineering group working on mission-critical applications used across air, land and maritime operations. … will work end-to-end across backend and frontend systems, contributing to the design and delivery of resilient, secure software in a pure cloud environment. Key responsibilities: Design, develop and maintain full-stack features across a .NET backend and Angular frontend. Build and operate scalable, secure services hosted entirely ...

government? As a Senior IT Service Manager, you'll join a team responsible for leading the migration of DWP Digital Integration customers from legacy products to more efficient, modern strategic solutions, or oversee their decommissioning. You'll ensure minimal disruption to live services used by millions of customers … desirable but not essential You and your role As our Senior IT Service Manager you will lead the safe transition from legacy systems to modern, strategic services that underpin critical digital platforms used by millions of people. You'll make sure these migrations happen smoothly, with minimal ...

Hybrid | Birmingham, Leicester, or Leeds A major financial services organisation is undergoing significant digital transformation, moving from legacy systems into a modern, product-led operating model. They are mid-way through migrating core operations onto Salesforce and embedding intelligent automation across the business. The Role ...

Remote with one day a month in the office, commutable from Manchester, Leeds, Sheffield) Software Developer, Software Engineer, PHP Developer, E-commerce & Fulfilment Systems Brand new role due to expansion - We are looking for a mid to senior software engineer who enjoys working on systems that actually keep … perfectly defined up front. It's a pragmatic environment, not a theoretical one. A lot of the work sits in established PHP and SQL systems that support e-commerce and fulfilment operations. The codebases are large, sometimes messy, and undeniably important. The expectation isn't to rewrite everything ...

APIs around legacy systems. The focus here is on API infrastructure that powers core products, third-party integrations and AI services, including systems that automate real end-to-end workflows, not just surface-level features. They are now hiring an Software Engineer to take real ownership … testing mindset and care for clean, maintainable code Nice to have, not essential: API gateways or API management platforms Event-driven or message-based systems Building APIs for external partners or developers Supporting AI services via APIs This is a strong move for someone who wants to grow beyond ...

fields is highly valued. 7+ years of work experience in Machine Learning and AI Engineering roles, preferably building with LLMs and/or Agentic Systems, from development to production. Hands-on experience with LLM frameworks (e.g. langchain, langgraph, llamaindex, langsmith), AI platforms (e.g. Databricks, mlflow) and containerization solutions (e.g. … sprawling without governance, data isn't ready, and talent isn't there yet. Enterprises are still drowning in application backlogs and struggling with legacy systems. But with the right platform, AI doesn't have to add to the chaos. It can become the breakthrough that brings clarity ...