15 of 15 Permanent Legacy Systems Jobs in West Yorkshire

ll help modernise core applications, shape technical direction, and build new functionality that supports long-term platform evolution. If you enjoy solving complex technical problems, improving legacy systems, and working closely with business stakeholders to deliver practical, high-impact solutions, this role will suit you perfectly. What You'll Do Develop and maintain full-stack applications using … C#, .NET, .NET Core, Blazor and SQL Server. Modernise and refactor legacy systems to improve scalability and performance. Contribute to technical architecture and help define future platform strategy. Build and support integrations with external systems (ordering, PMR, WMS, logistics, partners). Ensure system reliability across pricing, order-routing and product-mapping processes. Collaborate with operational teams … environments Key Traits Strong communicator – able to work with both technical and non-technical teams Highly organised, self-motivated and detail-oriented Curious, forward-thinking and keen to improve systems continuously Additional Details Salary: Up to £60,000 Working Pattern: On-site 3 days per week in Leeds Employment Type: Permanent, Full-time More ❯

ll help modernise core applications, shape technical direction, and build new functionality that supports long-term platform evolution. If you enjoy solving complex technical problems, improving legacy systems, and working closely with business stakeholders to deliver practical, high-impact solutions, this role will suit you perfectly. What You'll Do Develop and maintain full-stack applications using … C#, .NET, .NET Core, Blazor and SQL Server. Modernise and refactor legacy systems to improve scalability and performance. Contribute to technical architecture and help define future platform strategy. Build and support integrations with external systems (ordering, PMR, WMS, logistics, partners). Ensure system reliability across pricing, order-routing and product-mapping processes. Collaborate with operational teams … environments Key Traits Strong communicator – able to work with both technical and non-technical teams Highly organised, self-motivated and detail-oriented Curious, forward-thinking and keen to improve systems continuously Additional Details Salary: Up to £60,000 Working Pattern: On-site 3 days per week in Leeds Employment Type: Permanent, Full-time More ❯

technologies Help customers make informed decisions by weighing critical technical solutions Create high-quality, reusable solutions for customers Build solutions such as migrating source code from legacy systems, creating CI/CD pipelines, or automating infrastructure provisioning Qualifications Required Qualifications 7+ years experience in technical consulting, software development, application security, or related field OR Bachelor's Degree … experience 3+ years experience leading customer projects 3+ years experience in technical consulting Familiarity with the GitHub platform and associated workflows or familiarity with legacy version control systems (SVN, CVS, ClearCase, AccuRev, etc.) Strong experience with AI-assisted coding assistants (e.g., GitHub Copilot, Cursor) to accelerate and improve software development workflows GitHub values Customer-obsessed Ship to More ❯

technologies Help customers make informed decisions by weighing critical technical solutions Create high-quality, reusable solutions for customers Build solutions such as migrating source code from legacy systems, creating CI/CD pipelines, or automating infrastructure provisioning Qualifications Required Qualifications 7+ years experience in technical consulting, software development, application security, or related field OR Bachelor's Degree … experience 3+ years experience leading customer projects 3+ years experience in technical consulting Familiarity with the GitHub platform and associated workflows or familiarity with legacy version control systems (SVN, CVS, ClearCase, AccuRev, etc.) Strong experience with AI-assisted coding assistants (e.g., GitHub Copilot, Cursor) to accelerate and improve software development workflows GitHub values Customer-obsessed Ship to More ❯

technologies Help customers make informed decisions by weighing critical technical solutions Create high-quality, reusable solutions for customers Build solutions such as migrating source code from legacy systems, creating CI/CD pipelines, or automating infrastructure provisioning Qualifications Required Qualifications 7+ years experience in technical consulting, software development, application security, or related field OR Bachelor's Degree … experience 3+ years experience leading customer projects 3+ years experience in technical consulting Familiarity with the GitHub platform and associated workflows or familiarity with legacy version control systems (SVN, CVS, ClearCase, AccuRev, etc.) Strong experience with AI-assisted coding assistants (e.g., GitHub Copilot, Cursor) to accelerate and improve software development workflows GitHub values Customer-obsessed Ship to More ❯

to support an Engineering clientbased in Huddersfield. Youll take the technical lead on end-to-end PLM and CAD data migrations into Siemens Teamcenter working across legacy systems, data mapping, script configuration, validation, and post-go-live support. This is a hands-on, technically challenging role within a high-performing engineering environment. Youll be part of a … term programme delivering critical solutions for a key defence client. What Youll Do: Lead full lifecycle Teamcenter migration projects from planning through execution and validation. Analyse and interpret legacy PLM, ERP, and CAD data to define scope and migration strategy. Collaborate with business and functional teams to capture and document data mappings and transformation rules . Configure and More ❯

to support an Engineering clientbased in Huddersfield. Youll take the technical lead on end-to-end PLM and CAD data migrations into Siemens Teamcenter working across legacy systems, data mapping, script configuration, validation, and post-go-live support. This is a hands-on, technically challenging role within a high-performing engineering environment. Youll be part of a … term programme delivering critical solutions for a key defence client. What Youll Do: Lead full lifecycle Teamcenter migration projects from planning through execution and validation. Analyse and interpret legacy PLM, ERP, and CAD data to define scope and migration strategy. Collaborate with business and functional teams to capture and document data mappings and transformation rules . Configure and More ❯

major defence manufacturing project based in Huddersfield. Youll take the technical lead on end-to-end PLM and CAD data migrations into Siemens Teamcenter working across legacy systems, data mapping, script configuration, validation, and post-go-live support. This is a hands-on, technically challenging role within a high-performing engineering environment. Youll be part of a … term programme delivering critical solutions for a key defence client. What Youll Do: Lead full lifecycle Teamcenter migration projects from planning through execution and validation. Analyse and interpret legacy PLM, ERP, and CAD data to define scope and migration strategy. Collaborate with business and functional teams to capture and document data mappings and transformation rules . Configure and More ❯

a solid overview of the current environment and developing future technology roadmaps - Working with senior stakeholders and 3rd party technology providers - Planning the move away from legacy systems to new digital technology and cloud migration To be considered suitable for this IT Enterprise Architect role you will need to have the following skills and experience: - A strong More ❯

multiple industries. As a Cutover Manager, you'll be responsible for managing all aspects of cutover planning, coordination, execution, and risk mitigation, ensuring seamless transitions from legacy systems to SAP S/4HANA or other SAP landscapes. Key Responsibilities Lead the end-to-end cutover planning and execution for SAP transformation programmes. Develop and own the cutover More ❯

multiple industries. As a Cutover Manager, you'll be responsible for managing all aspects of cutover planning, coordination, execution, and risk mitigation, ensuring seamless transitions from legacy systems to SAP S/4HANA or other SAP landscapes. Key Responsibilities Lead the end-to-end cutover planning and execution for SAP transformation programmes. Develop and own the cutover More ❯

multiple industries. As a Cutover Manager, you'll be responsible for managing all aspects of cutover planning, coordination, execution, and risk mitigation, ensuring seamless transitions from legacy systems to SAP S/4HANA or other SAP landscapes. Key Responsibilities Lead the end-to-end cutover planning and execution for SAP transformation programmes. Develop and own the cutover More ❯

a comprehensive data roadmap, including 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 processes and improve efficiency using More ❯

SC-400, or MS-700. Experience with: o Microsoft Teams, OneDrive, Exchange Online o Microsoft Defender for Cloud Apps and Entra ID Protection o Migrating legacy file systems to SharePoint Online o Agile or ITIL-based service management practices What We Can Offer in Return: With a robust order book our client offers stability, exciting projects, and More ❯

SC-400, or MS-700. Experience with: o Microsoft Teams, OneDrive, Exchange Online o Microsoft Defender for Cloud Apps and Entra ID Protection o Migrating legacy file systems to SharePoint Online o Agile or ITIL-based service management practices What We Can Offer in Return: With a robust order book our client offers stability, exciting projects, and More ❯