8 of 8 Legacy Systems Jobs in West Yorkshire

Enterprise Architect

Hiring Organisation
CitNOW Group
Location
Bradford, UK
Employment Type
Full-time
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 ...

Oracle APEX Developer

Hiring Organisation
Frontier Resourcing
Location
Bradford, UK
Employment Type
Full-time
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 ...

Optimisation Consultant

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
Leeds, West Yorkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £65,000 per annum
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 ...

Senior IT Service Manager

Hiring Organisation
DWP Digital
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
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 ...

Software Engineer in Test

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B CorporationTM
Location
Wakefield, West Yorkshire, UK
Employment Type
Full-time
doing Owning and defining the QA strategy from scratch as the first SDET in the business Expanding test coverage across existing systems while setting standards for the future Leading testing across front-end, back-end, integration, and security Driving automation and scalability, reducing manual QA through robust frameworks … code approaches Coaching and mentoring engineers through pairing, code reviews, and promoting meaningful test coverage Ensuring reliability and security in mission-critical, data-driven systems that directly impact low-income families This role is open to mid-level through to senior engineers — mindset, ownership, and motivation matter more than ...

Software Engineer (PHP / SQL / AWS)

Hiring Organisation
Circle Group
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£70,000
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 ...

Software Engineer

Hiring Organisation
MRJ Recruitment
Location
Wakefield, West Yorkshire, UK
Employment Type
Full-time
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 ...

Lead AI Engineer

Hiring Organisation
OutSystems
Location
Wakefield, West Yorkshire, UK
Employment Type
Full-time
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 ...