12 of 12 Legacy Systems Jobs in West Yorkshire

Senior Developer - Python

Hiring Organisation
Greenfield I T Recruitment
Location
Leeds, UK
best practices for scalability, resilience and security Contribute to CI/CD pipelines and deployment workflows Embed monitoring, logging and observability within cloud-hosted systems Legacy Transition Support phased migration away from the existing PHP platform Provide technical oversight during system replacement and integration Reduce technical debt … clean architecture principles Mentor junior developers where appropriate Contribute to Agile ceremonies and cross-functional collaboration Essential Experience Strong commercial experience developing backend systems in Python Experience designing and implementing RESTful APIs Proven experience building and deploying applications within AWS (e.g. Lambda, ECS, API Gateway, CloudWatch, DynamoDB, Cognito ...

Senior Developer - Python

Hiring Organisation
Greenfield I T Recruitment
Location
Leeds, West Yorkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 per annum, Inc benefits
best practices for scalability, resilience and security Contribute to CI/CD pipelines and deployment workflows Embed monitoring, logging and observability within cloud-hosted systems Legacy Transition Support phased migration away from the existing PHP platform Provide technical oversight during system replacement and integration Reduce technical debt … clean architecture principles Mentor junior developers where appropriate Contribute to Agile ceremonies and cross-functional collaboration Essential Experience Strong commercial experience developing backend systems in Python Experience designing and implementing RESTful APIs Proven experience building and deploying applications within AWS (e.g. Lambda, ECS, API Gateway, CloudWatch, DynamoDB, Cognito ...

Project Manager

Hiring Organisation
Candour
Location
Halifax, West Yorkshire, UK
shaping product direction, prioritising feature delivery, and ensuring technology genuinely drives business value. Responsibilities include: Lead end-to-end migration from legacy systems to a modern .NET stack Define and manage the roadmap, milestones, risks, and resource planning Work closely with developers to unblock technical challenges Communicate … actively exploring AI and smarter ways of working If you’re a technically grounded Product/Project Manager who enjoys untangling legacy systems and driving meaningful change I would like to speak with you. Product & Project Manager – Halifax ...

Software Engineer (Applied AI)

Hiring Organisation
Euphoric
Location
Wakefield, West Yorkshire, UK
Employment Type
Full-time
trillion on benefits every year. It's their second-largest cost after payroll — yet the entire category is still running on legacy systems and outdated assumptions. The space is primed for transformation: despite its scale, it's been almost completely overlooked by AI-first startups. Incumbents — including … deployment, and iteration of our next-generation benefits platform features that leverage personalization, experimentation, and AI/ML methods (e.g. agents/LLMs, recommender systems, reinforcement learning) to enhance user experience in a meaningful business domain. Contribute across the tech stack: You'll work in React (JavaScript/TypeScript ...

Senior Business Analyst - Banking

Hiring Organisation
Inspire People
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£55,000
enable successful implementation of our change initiatives. You will be joining the Markets, Banking, Payments and Resolution (MBPR) Tower, which delivers change across the systems and services that support the Bank's markets, banking and payments operations. The tower focuses on modernising platforms, improving processes and ensuring critical services … transformation within financial services or banking environments. Experience contributing to large-scale platform modernisation programmes, including migration from legacy systems to target-state architectures. Benefits In addition to the base salary of ££49,360 - £55,530, you can expect a planned, transparent progression with learning and development ...

Oracle Solutions Architect Manager

Hiring Organisation
Oliver James
Location
Leeds, West Yorkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 per annum, Negotiable, OTE
platform. The Role: Are you a proven Solutions Architect looking to step into an exciting leadership position? Reporting directly into the Head of Finance Systems, this role will be predominantly functional and hands on. However, due to the nature of this organisation's plans, you will also be required … work cross functionally with the finance teams to deliver. Key Responsibilities: Lead end to end Oracle ERP solution design, shaping a unified finance systems architecture across ERP, EPM and integrated platforms. Drive multi-region Oracle transformation programmes, replacing legacy systems with scalable, standardised solutions. Provide hands ...

Cutover Manager - SAP S4/HANA

Hiring Organisation
Hays
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£600.0 - £700.0 per day + Negotiable Outside IR35 Day Rate
public sector organisation is delivering a major technology and business transformation programme. As part of this change, they are transitioning from legacy systems to a modern S/4HANA landscape. To support this critical programme, they are seeking an experienced Cutover Lead to ensure a smooth … transformation programmes. Significant experience transitioning IT change into live service across multi-system, integrated technology landscapes. Strong understanding of data migration, SaaS transition, and systems integration risks. Knowledge of business continuity planning and disaster recovery within service transition contexts. Experience leading and supporting delivery teams within complex IT organisations. ...

Cutover Manager - SAP S4/HANA

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Leeds, UK
Employment Type
Full-time
public sector organisation is delivering a major technology and business transformation programme. As part of this change, they are transitioning from legacy systems to a modern S/4HANA landscape. To support this critical programme, they are seeking an experienced Cutover Lead to ensure a smooth … transformation programmes. Significant experience transitioning IT change into live service across multi‐system, integrated technology landscapes. Strong understanding of data migration, SaaS transition, and systems integration risks. Knowledge of business continuity planning and disaster recovery within service transition contexts. Experience leading and supporting delivery teams within complex IT organisations. ...

Power BI Developer

Hiring Organisation
Chapman Tate Associates
Location
West Yorkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
maps • Work with stakeholders to refine KPIs and ensure dashboards are intuitive and performance-optimised Requirements: • Experience working with ERP/legacy systems data (AS400 desirable) • Background in retail, wholesale, merchandising, finance or warehouse reporting environments • Strong DAX and data modelling expertise • Proven commercial experience delivering Power ...

Full Stack Developer (ReactJS & Java)

Hiring Organisation
KBC Technologies UK Ltd
Location
Leeds, UK
Employment Type
Full-time
/Bristol UK (Hybrid ) Experience: 5+ years (flexible for strong candidates) Are you a Full Stack Developer who enjoys solving complex problems, building scalable systems, and working with modern cloud technologies? We’re hiring on behalf of a forward-thinking client who is investing heavily in cloud-native platforms … opportunities Ideal For Someone Who: Enjoys full-stack ownership Likes mentoring and sharing knowledge Wants to work with modern tech, not legacy systems Values clean code, automation, and quality delivery Apply now or get in touch for a confidential discussion. ...

Full Stack Developer (ReactJS & Java)

Hiring Organisation
KBC Technologies UK LTD
Location
Leeds, West Yorkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
/Bristol UK (Hybrid ) Experience: 5+ years (flexible for strong candidates) Are you a Full Stack Developer who enjoys solving complex problems, building scalable systems, and working with modern cloud technologies? We’re hiring on behalf of a forward-thinking client who is investing heavily in cloud-native platforms … opportunities Ideal For Someone Who: Enjoys full-stack ownership Likes mentoring and sharing knowledge Wants to work with modern tech, not legacy systems Values clean code, automation, and quality delivery Apply now or get in touch for a confidential discussion . ...

Data Manager

Hiring Organisation
Fruition Group
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
governance policies, documentation, and clear steps to achieve a modern, unified data environment. Lead the data migration process from legacy and acquired systems, ensuring accuracy, integrity, and minimal disruption. Manage and improve data quality across multiple systems, ensuring consistency, reliability, and context. Identify opportunities to automate ...