Legacy Systems Jobs in the North of England

1 to 25 of 66 Legacy Systems Jobs in the North of England

Fullstack Developer

Stockport, Greater Manchester, North West, United Kingdom
Hybrid / WFH Options
In Technology Group Limited
currently undergoing a large-scale digital transformation. They are looking for a Full Stack Developer with strong Microsoft and Azure experience to help modernise and integrate legacy systems with cloud-native, scalable applications. This is a hands-on role with involvement across the full software development lifecycle. You'll work in a hybrid environment with a tech … skills with a focus on scalability and security Experience working in agile teams and collaborating with product/design stakeholders Nice to Have Experience with modernising legacy systems Microsoft Azure Developer Certification Familiarity with Durable Functions , Logic Apps, or messaging systems like Event Grid Perks & Benefits 25 days holiday + birthday off Hybrid working Professional development More ❯
Employment Type: Permanent, Work From Home
Salary: £50,000
Posted:

Senior C# Software Developer

Manchester, North West, United Kingdom
Hybrid / WFH Options
Adria Solutions
collaborative team working across the full Microsoft and Azure technology stack. This is a hands-on role offering the chance to work on both legacy and greenfield systems, contribute to architectural decisions, and support the continuous improvement of development practices. Key responsibilities: Develop and maintain scalable, high-quality software using C#, .NET, and Azure Lead on coding … with Azure services and DevOps tools Understanding of secure coding and software development best practices Desirable experience: Microservices, containers (Docker/Kubernetes) Front-end frameworks such as Vue.js Messaging systems (e.g. Service Bus, Kafka) NoSQL databases, REST APIs, CI/CD pipelines Benefits: 25 days holiday plus bank holidays and additional Christmas leave Flexible 37.5-hour week Hybrid working More ❯
Employment Type: Permanent, Work From Home
Salary: £60,000
Posted:

Lead Data Engineer

Sunderland, England, United Kingdom
Peaple Talent
and curation e.g. using Azure Synapse notebooks, Databricks, etc. Experience of data modelling to describe the data landscape, entities and relationships. Experience with data migration from legacy systems to the cloud. Experience with Infrastructure as Code (IaC) particularly with Terraform. Proficient in the development of Power BI dashboards. Strong focus on documentation and diagramming (e.g. ERDs). More ❯
Posted:

C# Senior Software Engineer

Stockport, Lancashire, United Kingdom
Hybrid / WFH Options
Adria Solutions Ltd
collaborative team working across the full Microsoft and Azure technology stack. This is a hands-on role offering the chance to work on both legacy and greenfield systems, contribute to architectural decisions, and support the continuous improvement of development practices. Key responsibilities: Develop and maintain scalable, high-quality software using C#, .NET, and Azure Lead on coding … with Azure services and DevOps tools Understanding of secure coding and software development best practices Desirable experience: Microservices, containers (Docker/Kubernetes) Front-end frameworks such as Vue.js Messaging systems (e.g. Service Bus, Kafka) NoSQL databases, REST APIs, CI/CD pipelines Benefits: 25 days holiday plus bank holidays and additional Christmas leave Flexible 37.5-hour week Hybrid working More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

C# Senior Software Engineer

Manchester, Lancashire, England, United Kingdom
Hybrid / WFH Options
Adria Solutions
collaborative team working across the full Microsoft and Azure technology stack. This is a hands-on role offering the chance to work on both legacy and greenfield systems, contribute to architectural decisions, and support the continuous improvement of development practices. Key responsibilities: Develop and maintain scalable, high-quality software using C#, .NET, and Azure Lead on coding … with Azure services and DevOps tools Understanding of secure coding and software development best practices Desirable experience: Microservices, containers (Docker/Kubernetes) Front-end frameworks such as Vue.js Messaging systems (e.g. Service Bus, Kafka) NoSQL databases, REST APIs, CI/CD pipelines Benefits: 25 days holiday plus bank holidays and additional Christmas leave Flexible 37.5-hour week Hybrid working More ❯
Employment Type: Full-Time
Salary: £50,000 - £65,000 per annum, Negotiable
Posted:

C# Senior Software Engineer

Manchester, North West, United Kingdom
Hybrid / WFH Options
Adria Solutions
collaborative team working across the full Microsoft and Azure technology stack. This is a hands-on role offering the chance to work on both legacy and greenfield systems, contribute to architectural decisions, and support the continuous improvement of development practices. Key responsibilities: Develop and maintain scalable, high-quality software using C#, .NET, and Azure Lead on coding … with Azure services and DevOps tools Understanding of secure coding and software development best practices Desirable experience: Microservices, containers (Docker/Kubernetes) Front-end frameworks such as Vue.js Messaging systems (e.g. Service Bus, Kafka) NoSQL databases, REST APIs, CI/CD pipelines Benefits: 25 days holiday plus bank holidays and additional Christmas leave Flexible 37.5-hour week Hybrid working More ❯
Employment Type: Permanent, Work From Home
Salary: £65,000
Posted:

NET Developer

Brinsworth, Yorkshire, United Kingdom
Hybrid / WFH Options
Avanti Recruitment
Our client is a leading Finance Company seeking a talented .NET Developer to join their web application development team. This is an exciting opportunity to work on both legacy system modernization and new developments as they migrate from .NET Framework 4.8 to .NET 8 MVC and expand their digital capabilities. The Role Design, develop, and maintain web applications … across their Intranet and Internet platforms Modernize legacy .NET Framework 4.8 applications to .NET 8 MVC Develop RESTful APIs and integrate with web services Work using Agile methodologies with project managers and internal teams Technical Requirements Essential Skills: 4+ years commercial development experience .NET Framework 4.8 MVC and/or .NET 8 MVC (we're migrating to .NET … Highly Beneficial: Recent .NET 8 MVC experience (preferred for our modernization efforts) Blazor framework knowledge Azure cloud platform experience Mobile application development SSRS/Crystal Reports Experience with legacy system migration projects What We're Looking For 4+ years commercial development experience Strong understanding of MVC architecture and clean coding practices Self-motivated with excellent problem-solving skills More ❯
Employment Type: Permanent
Salary: GBP 40,000 - 50,000 Annual
Posted:

NET Developer

Rotherham, South Yorkshire, United Kingdom
Hybrid / WFH Options
Avanti Recruitment
Our client is a leading Finance Company seeking a talented .NET Developer to join their web application development team. This is an exciting opportunity to work on both legacy system modernization and new developments as they migrate from .NET Framework 4.8 to .NET 8 MVC and expand their digital capabilities. The Role Design, develop, and maintain web applications … across their Intranet and Internet platforms Modernize legacy .NET Framework 4.8 applications to .NET 8 MVC Develop RESTful APIs and integrate with web services Work using Agile methodologies with project managers and internal teams Technical Requirements Essential Skills: 4+ years commercial development experience .NET Framework 4.8 MVC and/or .NET 8 MVC (we're migrating to .NET … Highly Beneficial: Recent .NET 8 MVC experience (preferred for our modernization efforts) Blazor framework knowledge Azure cloud platform experience Mobile application development SSRS/Crystal Reports Experience with legacy system migration projects What We're Looking For 4+ years commercial development experience Strong understanding of MVC architecture and clean coding practices Self-motivated with excellent problem-solving skills More ❯
Employment Type: Permanent
Salary: £40000 - £50000/annum
Posted:

.NET Developer

Rotherham, South Yorkshire, England, United Kingdom
Hybrid / WFH Options
Avanti
Our client is a leading Finance Company seeking a talented .NET Developer to join their web application development team. This is an exciting opportunity to work on both legacy system modernization and new developments as they migrate from .NET Framework 4.8 to .NET 8 MVC and expand their digital capabilities. The Role Design, develop, and maintain web applications … across their Intranet and Internet platforms Modernize legacy .NET Framework 4.8 applications to .NET 8 MVC Develop RESTful APIs and integrate with web services Work using Agile methodologies with project managers and internal teams Technical Requirements Essential Skills: 4+ years commercial development experience .NET Framework 4.8 MVC and/or .NET 8 MVC (we're migrating to .NET … Highly Beneficial: Recent .NET 8 MVC experience (preferred for our modernization efforts) Blazor framework knowledge Azure cloud platform experience Mobile application development SSRS/Crystal Reports Experience with legacy system migration projects What We're Looking For 4+ years commercial development experience Strong understanding of MVC architecture and clean coding practices Self-motivated with excellent problem-solving skills More ❯
Employment Type: Full-Time
Salary: £40,000 - £50,000 per annum
Posted:

Senior Software Engineer (.NET)

Leeds, West Yorkshire, Yorkshire, United Kingdom
Hybrid / WFH Options
Daniel James Resourcing Ltd
Senior Software Engineer to join one of their most forward-thinking teams. This role offers the chance to be part of something genuinely transformative: moving from legacy systems to a modern, cloud-native platform built with .NET 8, AWS, Docker, GraphQL and Terraform. The systems you'll help build are critical to the daily operations of … engineering, product and DevOps to shape solutions end to end. What Youll Be Doing Designing and building robust, scalable services in .NET 8 Helping drive the shift from monolithic systems to distributed, microservices-based architecture Writing clean, maintainable and well-tested code Actively contributing to code reviews, knowledge sharing and mentoring Working with a modern engineering toolset including AWS … DynamoDB, Aurora), Docker, Terraform Eventing & APIs: Kafka, GraphQL, REST CI/CD: GitHub Actions Data: PostgreSQL, DynamoDB, DocumentDB What We're Looking For Solid experience building modern, cloud-based systems using .NET and AWS Strong understanding of software design principles, clean code, and TDD Exposure to infrastructure-as-code and cloud automation (ideally Terraform) A collaborative mindset and the More ❯
Employment Type: Permanent
Salary: £70,000
Posted:

Lead Developer

Manchester, North West, United Kingdom
Hybrid / WFH Options
Daniel James Resourcing Ltd
part in a transformation that is central to the companys wider digital evolution. Our client is a well-established and respected organisation operating across the UK and Europe. The systems in scope support complex, high-volume operational processes, and are used daily by a wide network of internal and external users. The Role This is a hands-on leadership … ideal for someone who enjoys building high-performing teams while remaining technically involved. You'll be leading the design and delivery of cloud-native services, moving from a legacy .NET architecture towards a modern, event-driven microservices platform hosted in AWS. Youll work closely with architecture, product, UX and engineering leadership to ensure the platform is scalable, secure … team members, promoting a culture of continuous learning Tech Stack The role will suit someone who is confident in modern cloud-native development and familiar with transitioning from legacy systems. Technologies include: Backend: .NET 8, Python, JavaScript Frontend: React Cloud: AWS including EKS, ECS, Lambda, DynamoDB, Aurora, DocumentDB Infrastructure: Docker, Linux, Terraform Eventing/Messaging: Kafka, SNS/ More ❯
Employment Type: Permanent
Salary: £85,000
Posted:

Fullstack Developer

Stockport, Cheshire, England, United Kingdom
Hybrid / WFH Options
In Technology Group Limited
currently undergoing a large-scale digital transformation. They are looking for a Full Stack Developer with strong Microsoft and Azure experience to help modernise and integrate legacy systems with cloud-native, scalable applications. What You'll Do Develop and maintain full-stack solutions using .NET Core , C# , and React/Angular/Blazor Build and optimise REST More ❯
Employment Type: Full-Time
Salary: £50,000 per annum
Posted:

Fullstack Developer

Stockport, Greater Manchester, North West, United Kingdom
Hybrid / WFH Options
In Technology Group Limited
currently undergoing a large-scale digital transformation. They are looking for a Full Stack Developer with strong Microsoft and Azure experience to help modernise and integrate legacy systems with cloud-native, scalable applications. What You'll Do Develop and maintain full-stack solutions using .NET Core , C# , and React/Angular/Blazor Build and optimise REST More ❯
Employment Type: Permanent
Salary: £50,000
Posted:

Data Engineer

Newcastle Upon Tyne, England, United Kingdom
Hybrid / WFH Options
In Technology Group
and business stakeholders to deliver high-quality data solutions. Ensuring data quality, integrity, and security across various platforms. Supporting the migration and integration of data from legacy systems to modern cloud-based environments. What We’re Looking For: Proven experience as a Data Engineer or in a similar role. Strong SQL skills and experience with data modelling More ❯
Posted:

Data Engineer

Middlesbrough, Cleveland, England, United Kingdom
Hybrid / WFH Options
Reed
Day of the role: Lead the development of BI Solution Architecture, Replication Warehouse, and secure data sets using the Microsoft application stack. Create and maintain secure data sets for systems, enabling Key users to produce reports. Perform ETL integrations and support tasks using Azure Data Factory (ADF) and other technologies. Coach and mentor junior BI professionals. Test and modify … new data sets and reports to ensure reliability and operational continuity. Address data integrity, quality, and robustness issues in legacy/system data to enhance reporting. Develop and update BI process maps that underpin system architecture and configuration. Drive excellence through effective and efficient use of systems. Document business requirements and consult with end users to ensure evolving More ❯
Employment Type: Full-Time
Salary: £60,000 - £70,000 per annum
Posted:

Data Engineer

Goldthorpe, Rotherham, South Yorkshire, England, United Kingdom
Hybrid / WFH Options
Reed
Day of the role: Lead the development of BI Solution Architecture, Replication Warehouse, and secure data sets using the Microsoft application stack. Create and maintain secure data sets for systems, enabling Key users to produce reports. Perform ETL integrations and support tasks using Azure Data Factory (ADF) and other technologies. Coach and mentor junior BI professionals. Test and modify … new data sets and reports to ensure reliability and operational continuity. Address data integrity, quality, and robustness issues in legacy/system data to enhance reporting. Develop and update BI process maps that underpin system architecture and configuration. Drive excellence through effective and efficient use of systems. Document business requirements and consult with end users to ensure evolving More ❯
Employment Type: Full-Time
Salary: £60,000 - £70,000 per annum, Inc benefits
Posted:

Principal Solution Architect - .NET & AWS

Manchester, North West, United Kingdom
Hybrid / WFH Options
Daniel James Resourcing Ltd
Opportunity This is not just another architecture role. This is a chance to make a tangible impact in a truly enterprise-scale environment , working with high-traffic applications, distributed systems, and cloud-first engineering teams . You will: Define and lead the AWS cloud strategy for large-scale SaaS platforms. Architect and implement cloud-native, event-driven, microservices-based … solutions . Drive modernisation initiatives , replacing legacy systems with state-of-the-art cloud solutions. Work closely with engineering teams, guiding them on best practices in .NET, AWS, and cloud security . Influence technical decision-making at the highest levels while remaining hands-on in proof-of-concept work. Collaborate with product, business, and technology leaders to … of CI/CD pipelines, DevOps, and Infrastructure as Code (Terraform, CloudFormation) . ? A collaborative, pragmatic approach , comfortable influencing both engineers and senior stakeholders. ? Experience in large-scale distributed systems and enterprise environments. Why Join? Exceptional package Up to £100K base + 15-30% bonus + up to £10K car allowance. True hybrid working Manchester or Leeds office (just More ❯
Employment Type: Permanent, Work From Home
Posted:

Software Developer

Leeds, West Yorkshire, Yorkshire, United Kingdom
Hybrid / WFH Options
Oscar Associates (UK) Limited
office, flexible working hours The client are looking for an experienced .Net Developer to join the team and hit the ground running on the migration of legacy systems into the web, this is just 1 of a range of greenfield projects you will have to work on, their client base spans across multi-nationals and smaller UK … the .Net tech stack Solid experience with ASP.NET Core Must be comfortable working with REST API's Experience working with SQL/SQL Server Experience working with version control systems e.g Git Desirables Experience with JavaScript frameworks e.g ReactJS and AngularJS Experience with Winforms Working knowledge of NodeJS Azure DevOps What they're offering Salary More ❯
Employment Type: Permanent
Salary: £65,000
Posted:

Senior .Net Developer

Birkenhead, Merseyside, United Kingdom
Hybrid / WFH Options
Maxwell Bond
in a high-impact transformation initiative that will define their future. What's in it for you? Want to work on 100% greenfield projects with no legacy systems? You've got it. Interested in collaborating with a team that values modern coding practices, standards, and innovation ? This is the place. Looking for clear opportunities to lead projects More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Developer

Wirral, Merseyside, North West, United Kingdom
Searchability (UK) Ltd
or call on 07880 358 148. Who We Are: We're a tight-knit development team focused on building and maintaining robust internal and client-facing software platforms. Our systems are designed for real-time access, ease of use, and user-driven decision-making, supported by web and mobile applications. We value independent thinking, clean code, and the continuous … as C#, ASP.Net Core, SQL and Blazor. You'll contribute to the development of new features, enhancements, and system fixes, while also helping to reverse engineer legacy systems to improve performance and maintainability. You'll work within a Kanban workflow and use Azure DevOps for source control and task management. The ideal candidate can work independently, write More ❯
Employment Type: Permanent
Salary: £35,000
Posted:

Dynamics Business Central - Senior Support Consultant

Manchester, United Kingdom
Hybrid / WFH Options
Nigel Frank International
and delivering high-quality customer service in a fast-paced environment. Role Responsibilities Provide 2nd and 3rd line support for Dynamics 365 Business Central and legacy NAV systems Act as the escalation point for complex support tickets across all BC modules, with a focus on finance-related issues Troubleshoot functional and technical issues, identifying root causes and … suggest process or system improvements Assist with testing and deployment of patches, updates and new functionality Provide user training and support post go-live to ensure smooth adoption of systems Knowledge & Skills Strong support experience with Dynamics NAV and Dynamics 365 Business Central Proven background in handling complex support cases within a Microsoft Partner or end-user environment Excellent … across finance, sales, purchasing, inventory and warehousing Strong communication skills and ability to manage client expectations effectively Logical problem solver with great attention to detail Familiarity with support ticketing systems and service desk processes What's on Offer Salary up to £50,000 25 days holiday plus bank holidays Remote or hybrid working options to suit your lifestyle Progression More ❯
Employment Type: Permanent
Salary: £45000 - £50000/annum
Posted:

Dynamics Business Central - Senior Support Consultant

Manchester, Lancashire, England, United Kingdom
Hybrid / WFH Options
Nigel Frank International
and delivering high-quality customer service in a fast-paced environment. Role Responsibilities Provide 2nd and 3rd line support for Dynamics 365 Business Central and legacy NAV systems Act as the escalation point for complex support tickets across all BC modules, with a focus on finance-related issues Troubleshoot functional and technical issues, identifying root causes and … suggest process or system improvements Assist with testing and deployment of patches, updates and new functionality Provide user training and support post go-live to ensure smooth adoption of systems Knowledge & Skills Strong support experience with Dynamics NAV and Dynamics 365 Business Central Proven background in handling complex support cases within a Microsoft Partner or end-user environment Excellent … across finance, sales, purchasing, inventory and warehousing Strong communication skills and ability to manage client expectations effectively Logical problem solver with great attention to detail Familiarity with support ticketing systems and service desk processes What's on Offer Salary up to £50,000 25 days holiday plus bank holidays Remote or hybrid working options to suit your lifestyle Progression More ❯
Employment Type: Full-Time
Salary: £45,000 - £50,000 per annum
Posted:

Dynamics Business Central - Senior Support Consultant

Sheffield, South Yorkshire, United Kingdom
Hybrid / WFH Options
Nigel Frank International
and delivering high-quality customer service in a fast-paced environment. Role Responsibilities Provide 2nd and 3rd line support for Dynamics 365 Business Central and legacy NAV systems Act as the escalation point for complex support tickets across all BC modules, with a focus on finance-related issues Troubleshoot functional and technical issues, identifying root causes and … suggest process or system improvements Assist with testing and deployment of patches, updates and new functionality Provide user training and support post go-live to ensure smooth adoption of systems Knowledge & Skills Strong support experience with Dynamics NAV and Dynamics 365 Business Central Proven background in handling complex support cases within a Microsoft Partner or end-user environment Excellent … across finance, sales, purchasing, inventory and warehousing Strong communication skills and ability to manage client expectations effectively Logical problem solver with great attention to detail Familiarity with support ticketing systems and service desk processes What's on Offer Salary up to £50,000 25 days holiday plus bank holidays Remote or hybrid working options to suit your lifestyle Progression More ❯
Employment Type: Permanent
Salary: £45000 - £50000/annum
Posted:

Dynamics Business Central - Senior Support Consultant

Newcastle upon Tyne, Tyne and Wear, Tyne & Wear, United Kingdom
Hybrid / WFH Options
Nigel Frank International
and delivering high-quality customer service in a fast-paced environment. Role Responsibilities Provide 2nd and 3rd line support for Dynamics 365 Business Central and legacy NAV systems Act as the escalation point for complex support tickets across all BC modules, with a focus on finance-related issues Troubleshoot functional and technical issues, identifying root causes and … suggest process or system improvements Assist with testing and deployment of patches, updates and new functionality Provide user training and support post go-live to ensure smooth adoption of systems Knowledge & Skills Strong support experience with Dynamics NAV and Dynamics 365 Business Central Proven background in handling complex support cases within a Microsoft Partner or end-user environment Excellent … across finance, sales, purchasing, inventory and warehousing Strong communication skills and ability to manage client expectations effectively Logical problem solver with great attention to detail Familiarity with support ticketing systems and service desk processes What's on Offer Salary up to £50,000 25 days holiday plus bank holidays Remote or hybrid working options to suit your lifestyle Progression More ❯
Employment Type: Permanent
Salary: £45000 - £50000/annum
Posted:

Software Developer/ Delphi

Tyne and Wear, North East, United Kingdom
Hybrid / WFH Options
Reed Technology
Skills & Experience: Proven experience in Delphi development (preferably Delphi 7 or later). Strong understanding of Object-Oriented Programming principles. Experience working with SQL databases Familiarity with version control systems (e.g., Git). Ability to work independently and as part of a team. ?? Desirable: Experience with legacy system migration or integration. Exposure to other technologies such as More ❯
Employment Type: Permanent, Work From Home
Salary: £55,000
Posted:
Legacy Systems
the North of England
10th Percentile
£44,256
25th Percentile
£56,000
Median
£67,500
75th Percentile
£86,125
90th Percentile
£91,500