1 to 25 of 32 Legacy Systems Jobs in Manchester

/ASP.NET, C# Utilize Continuous Integration and Delivery development Collaborate closely with other developers, testers, front-end designers, and product owners Assist in the migration from legacy systems to AWS (Amazon Web Services) What We're Looking For: Basic Required Qualifications: Strong experience with .NET Core/ASP.NET , C# , and Entity Framework Proficient in front-end technologies … Ability to handle multiple tasks and meet deadlines in a fast-paced environment Additional Preferred Qualifications: Proven experience in monitoring, analyzing, and optimizing the performance of large-scale distributed systems in a cloud environment Proven experience with Windows production environments, including managing servers, operating systems, and network configurations within the cloud Proven scripting and automation skills, preferably Powershell More ❯

that improve internal ops and customer experience Working with AWS infrastructure (EC2, S3, Cognito) and improving DevOps practices (Docker, CI/CD, Terraform) Migrating and consolidating legacy systems to improve maintainability and reduce overheads Collaborating with cross-functional teams in an agile environment Mentoring junior devs and championing best practices What they're looking for: ~3 years More ❯

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 ❯

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 ❯

that improve internal ops and customer experience Working with AWS infrastructure (EC2, S3, Cognito) and improving DevOps practices (Docker, CI/CD, Terraform) Migrating and consolidating legacy systems to improve maintainability and reduce overheads Collaborating with cross-functional teams in an agile environment Mentoring junior devs and championing best practices What they’re looking for: ~3 years More ❯

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 ❯

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 ❯

The Role The successful candidate will join a cross-functional team delivering end-to-end, full stack solutions from design through to deployment helping to modernise legacy systems and build scalable, cloud-native applications in Azure. You'll be working on a range of client and internal projects using a well-rounded tech stack including C#, .NET … principles/design patterns What They’re Looking For: Strong experience building applications using C# and .NET frameworks Hands-on with SQL, MVC, and WCF Familiarity with modernising legacy apps into cloud-native Azure environments Confident with DevOps practices, CI/CD pipelines, and agile delivery Solid understanding of software engineering best practices, including SOLID and design patterns More ❯

The Role The successful candidate will join a cross-functional team delivering end-to-end, full stack solutions from design through to deployment helping to modernise legacy systems and build scalable, cloud-native applications in Azure. You'll be working on a range of client and internal projects using a well-rounded tech stack including C#, .NET … principles/design patterns What They’re Looking For: Strong experience building applications using C# and .NET frameworks Hands-on with SQL, MVC, and WCF Familiarity with modernising legacy apps into cloud-native Azure environments Confident with DevOps practices, CI/CD pipelines, and agile delivery Solid understanding of software engineering best practices, including SOLID and design patterns More ❯

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 ❯

Software Developer (Legacy Systems) AI for Healthcare Location: UK Remote Salary: £50,000£55,000 Tech Stack: VB.NET | C# | .NET | Azure Building Smarter Healthcare with AI At WeareDecoded, were helping our client secure the right individuals to reshape the future of healthcare through intelligent technology. Their mission is clear: use AI to radically improve healthcare processes, eliminate … sectorhelping organisations streamline workflows, reduce admin overload, and turn untapped data into actionable insights. The Role Were looking for a Software Developer who thrives on modernising legacy systems and making them future-ready. Youll be diving deep into their platform, helping them refactor, rebuild and integrate them into a modern cloud-native Azure platform. This is a … solutions using .NET Core and Azure services Collaborate closely with our AI, DevOps, and healthcare integration teams Solve real-world technical challenges in complex, regulated healthcare environments Help ensure systems are secure, performant, and easy to maintain What Youll Bring Solid experience working with VB.NET, C#, and .NET Framework/.NET Core Experience working in cloud environments, ideally Microsoft More ❯

internal platforms (e.g., CRM, credit bureaus, document management, payments) and external third-party systems. Manage the full data migration lifecycle, including data extraction, transformation, validation, and cutover from legacy systems. Collaborate closely with business units across lending, risk, compliance, and finance to ensure solution alignment with operational needs. Ensure accurate configuration of lending workflows, risk scoring, approval processes … management, and compliance. Demonstrated capability in system integration using API-led and middleware architectures in banking environments. Proven success in managing complex data migration projects from legacy systems to modern core banking platforms. Solid understanding of credit policy, lending lifecycle management, and regulatory compliance (e.g., PRA, FCA, Basel). Exceptional stakeholder engagement and leadership across cross-functional More ❯

internal platforms (e.g., CRM, credit bureaus, document management, payments) and external third-party systems. Manage the full data migration lifecycle, including data extraction, transformation, validation, and cutover from legacy systems. Collaborate closely with business units across lending, risk, compliance, and finance to ensure solution alignment with operational needs. Ensure accurate configuration of lending workflows, risk scoring, approval processes … management, and compliance. Demonstrated capability in system integration using API-led and middleware architectures in banking environments. Proven success in managing complex data migration projects from legacy systems to modern core banking platforms. Solid understanding of credit policy, lending lifecycle management, and regulatory compliance (e.g., PRA, FCA, Basel). Exceptional stakeholder engagement and leadership across cross-functional More ❯

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 ❯

end development of trading tools used by internal stakeholders. The organisation is transitioning to a micro-services architecture, which means that there will be an equal balance between legacy system work and new development initiatives on the road map. The intention is to move away from old ways of working, and look at the best approach and technologies … NoSQL databases) Good understanding of pipelines such as Jenkins Good understanding of database operations and clustering Understanding of either AWS, Azure or other cloud environments Experience with large scale systems On offer: Annual bonus 25 days leave + bank holidays Pension etc. Only candidates residing within a reasonable commutable distance from Manchester (or willing to relocate) and whom have More ❯

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 ❯

impactful demos, discovery workshops, and strategic proposals Work closely with project and engagement managers to ensure alignment with technical requirements Conduct business analysis, run solution workshops, and configure Workday systems Collaborate with cross-functional teams to deliver measurable value to clients Mentor and support the development of junior team members About You Experienced in finance transformation, ERP, or Workday … with the ability to align technology with business goals Skilled in stakeholder management, including with executives and technical leads Strong understanding of integration architecture (APIs, middleware, legacy systems) Proven leadership of delivery teams, including offshore and cross-functional groups Comfortable presenting complex ideas to both technical and non-technical audiences Why Join? Hybrid working with flexibility across More ❯

back-end development of trading tools used by internal stakeholders. The organisation is transitioning to a microservices architecture, which means that there will be an equal balance between legacy system work and new development initiatives on the roadmap. The intention is to move away from old ways of working, and look at the best approach and technologies, giving … understanding of database operations and clustering Prior experience with the likes of WinForms, WCP or WPF Understanding of either AWS, Azure or other cloud environments Experience with large scale systems On offer: Flexible working hours Annual bonus 25 days leave + bank holidays Pension Enhanced paternity and maternity leave etc. Only candidates residing within a reasonable commutable distance from More ❯

back-end development of trading tools used by internal stakeholders. The organisation is transitioning to a microservices architecture, which means that there will be an equal balance between legacy system work and new development initiatives on the roadmap. The intention is to move away from old ways of working, and look at the best approach and technologies, giving … understanding of database operations and clustering Prior experience with the likes of WinForms, WCP or WPF Understanding of either AWS, Azure or other cloud environments Experience with large scale systems On offer: Flexible working hours Annual bonus 25 days leave + bank holidays Pension Enhanced paternity and maternity leave etc. Only candidates residing within a reasonable commutable distance from More ❯

in SAP B1! Responsibilities: • Provide support & consultancy services to end users • Project management and Budget management • Report writing with Crystal Reports • Migrate data from client's legacy systems into SAP B1 Experience: • SAP Business One experience with end user or partner • Previous full cycle implementation experience • Add-on experience e.g. Boyum, BPA, WMS • SQL or HANA experience More ❯

track record in end-to-end project delivery across Agile (Scrum) and Waterfall environments. Experience with containerised microservices architectures and cloud methodologies. Practical experience in migrating legacy systems to cloud-based solutions (e.g., private cloud, GCP, Azure). Familiarity with technologies such as Windows Server, Linux/UNIX, SQL, Oracle, VMware, Citrix, IBM P Series, SAN, F5 More ❯

role Are you fascinated by the intricate workings of old embedded technology? Do you possess a keen eye for detail and a passion for unraveling the mysteries of outdated systems? If so, we have an exciting opportunity for you! Our client are seeking a talented and experienced Principle Embedded Software Engineer with a specialization in reverse engineering old embedded … technology to join this dynamic team! The main objective of this role will be to reverse engineer a range of outdated embedded systems and bring them up to current industry standards. Alongside this you will be given the opportunity to lead on the newer and more complex projects that the business is working on. Your Responsibilities: - Reverse engineer and … analyse legacy embedded systems, including hardware and software components. - Develop strategies and methodologies for extracting code, protocols, and data from outdated embedded devices. - Collaborate with cross-functional teams to understand system requirements and design specifications of legacy systems. - Identify and document system vulnerabilities, weaknesses, and potential security risks in the reverse-engineered technology. - Perform testing More ❯

days a year, they are embarking on a bold and strategic transformation of their IT estate. This includes a shift to a cloud-first strategy, modernising legacy systems, consolidating data centres, and enhancing disaster recovery, business continuity, and security capabilities. Their IT services are delivered through strategic vendor partnerships, and they are now seeking a Head of … transformation. You will provide expert technical leadership for complex initiatives such as data-centre migrations, cloud adoption (with a focus on Azure), and the rationalisation of suppliers and legacy systems. Working closely with a lean team of architects and specialists, and matrix-managing project and delivery teams, you will ensure that infrastructure and hosting services are secure, scalable … and strategic goals. Profile A successful Head of Infrastructure Strategy and Architecture should have: Proven experience delivering enterprise-scale infrastructure transformation in complex environments. Deep expertise in IT infrastructure, systems architecture, and cloud technologies (especially Azure). Strong commercial acumen, including CAPEX/OPEX management and vendor negotiations. Familiarity with agile delivery methodologies and modern IT operating models. A More ❯

days a year, they are embarking on a bold and strategic transformation of their IT estate. This includes a shift to a cloud-first strategy, modernising legacy systems, consolidating data centres, and enhancing disaster recovery, business continuity, and security capabilities. Their IT services are delivered through strategic vendor partnerships, and they are now seeking a Head of … transformation. You will provide expert technical leadership for complex initiatives such as data-centre migrations, cloud adoption (with a focus on Azure), and the rationalisation of suppliers and legacy systems. Working closely with a lean team of architects and specialists, and matrix-managing project and delivery teams, you will ensure that infrastructure and hosting services are secure, scalable … and strategic goals. Profile A successful Head of Infrastructure Strategy and Architecture should have: Proven experience delivering enterprise-scale infrastructure transformation in complex environments. Deep expertise in IT infrastructure, systems architecture, and cloud technologies (especially Azure). Strong commercial acumen, including CAPEX/OPEX management and vendor negotiations. Familiarity with agile delivery methodologies and modern IT operating models. A More ❯

hires—are you ready to be part of the transformation and help shape the future of the travel industry? 🏡 About the role: We've replaced outdated legacy systems with three new, data-rich solutions: Pricing Engine, Price Management, and First Time Pricing. As Engineering Manager for our Pricing team, you’ll head up the full stack team … as an Engineering Manager | Tech Lead in a Product/Customer-driven environment, leading a small team (5) of full stack engineers Extensive background in high-volume, scalable distributed systems Experience with cloud services (ideally AWS), Infra-as-Code tools like Terraform or CloudFormation and best practices for scalable infrastructure Solid background in API technologies plus knowledge of GO More ❯