1 to 25 of 96 Legacy Systems Jobs in the North West

Reports into the Principal Architect (Lead Domain Architect) and aligned to the Business Value Stream to deliver innovative solutions that meet strategic business outcomes. Drives large-scale Policy Administration Systems migrations and challenge the status quo with modern architecture alternatives. Fast-paced project environment, working within an enduring squad in the regulated industry, preferably within Insurance, Life Assurance/… aging of the technologies used by the application, or misalignment with business requirements. Supports product managers in end-of-life product decisions to maintain, refresh or retire services or systems, including applications, technologies, processes and information. Analyses the business-IT environment to detect opportunities for ever-greening the legacy and technical debt and recommends options to make … ArchiMate. Robust understanding of data and application migration technologies like Azure Data Factory. Knowledge of core policy platforms like Bravura Sonata, TCS BaNCS, FNZ and bespoke legacy systems Skills to modernise architectural estates and drive serviceability, observability dashboarding and metrics in end products. Good understanding of information principles, guardrails and processes spanning data within operational contexts such More ❯

to clients across the UK, EMEA, and APAC. As one of Salesforce’s most active AppExchange partners, we’ve built a reputation for delivering tailored, scalable, and high-performance systems that recruiters love. Our platform supports ambitious start-ups, global staffing firms, and everyone in between – and data is at the heart of every successful go-live. We’re … of the most critical parts of implementation: data. Location: Liverpool City Centre, hybrid (2 days a week) Why Join Seven20? Work with high-volume, high-complexity datasets across recruitment systems like Bullhorn, Vincere, and JobAdder Shape the future of our data tooling and ETL frameworks Collaborate directly with Delivery Managers, BAs, and Clients – you're not in the dark … improvements and efficiencies in the tools used and the processes involved in a data migration project. Key Responsibilities: Analyse, map, and migrate complex datasets from third-party Applicant Tracking Systems (ATS) and recruitment platforms - such as Bullhorn and Vincere - to Seven20 (Salesforce) Design, build and execute ETL workflows using tools such as Apache Hop, Salesforce Dataloader and custom developed More ❯

/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 ❯

join our team. The ideal candidate will serve as a key bridge between business stakeholders and development teams , helping to modernize and optimize BAU processes currently running on legacy systems. This role requires hands-on technical expertise in API development , React , and strong proficiency in SQL (preferably including Oracle SQL). Key Responsibilities: Collaborate with business stakeholders to … BAU (Business-as-Usual) processes . Analyze and propose improvements to existing BAU workflows to drive efficiency and performance. Support and influence the digital transformation of legacy systems to modern platforms. Act as a system analyst with deep understanding of application architecture and integration points. Work closely with third-party vendors to manage dependencies, issues, and timelines. … years of experience in application development and technical/system analysis . Strong hands-on experience with: .NET Demonstrated experience in digital transformation projects , especially involving legacy systems . Solid understanding of SDLC , change management , and requirement gathering . Experience working with third-party vendors and managing external stakeholders . Ability to convert business needs into technical 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 ❯

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 ❯

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 ❯

the business. The candidate must understand stakeholder needs and collaborate to deliver effective solutions. Development will focus on Power BI and supporting Tabular models, including transitioning legacy systems (SSRS and QlikView) to our Azure data platform. The ideal candidate can translate business needs into accessible data-driven insights for various stakeholders. Key Responsibilities Develop data solutions using … evidence from approved sources Peer review development work for quality and adherence to policies Support and enhance existing reporting solutions and perform ad-hoc analyses Assist in transitioning legacy reporting solutions to the cloud platform Build strong internal client relationships Manage own tasks, plans, and priorities effectively Stay updated on data and reporting technology trends Skills & Experience Extensive 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 ❯

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 ❯

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 ensure solutions … 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 ❯

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 ❯

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 ❯

Services — a business that processes over 200,000 vehicles a year for the UK’s leading manufacturers, finance, and rental companies. We’re not just maintaining legacy systems — we’re transforming. You’ll be at the heart of a major tech shift: moving from .NET Framework monoliths to microservices in .NET 8, AWS, Docker, GraphQL, and Terraform … PostgreSQL, GraphQL, React, GitHub Actions What You Bring: Hands-on experience in .NET , AWS , and infrastructure-as-code ( Terraform ) Solid understanding of both SQL & NoSQL databases and event-driven systems Experience in TDD , clean code, and continuous delivery Strong communication and collaboration skills across technical and non-technical teams A proactive, curious mindset and desire to grow in a 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 ❯

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 ❯

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: Annual bonus 25 days leave + bank holidays Pension Enhanced paternity and maternity leave etc. Only candidates residing within a reasonable commutable distance from Manchester (or willing More ❯

are looking for A Software Architect, who will drive the evolution of our Player Account Management systems. We are seeking innovative individual with proven experience in architecting complex software systems in fast-paced environments. Your expertise in Microsoft technologies, GoLang, Kubernetes, and cloud platforms will be invaluable as you lead development teams to ensure high-quality implementations. This is … emerging technologies, and deliver scalable and reliable solutions. You will collaborate with Business stakeholders to translate requirements into a robust architectural vision, guiding the transformation of legacy systems into modern, cloud-based solutions This role is eligible for inclusion in the Company’s hybrid working from home policy. Preferred Skills, Qualifications and Experience Demonstrated ability to produce … translate them into a robust architectural vision. Developing comprehensive vision documents and strategic blueprints for the Player Account Management platform. Leading the design and transformation of legacy systems into modern, cloud-based solutions. Overseeing and guiding development teams to ensure architectural integrity and high-quality implementations. Facilitating effective communication across cross-functional teams to align technical solutions More ❯

are looking for A Software Architect, who will drive the evolution of our Player Account Management systems. We are seeking innovative individual with proven experience in architecting complex software systems in fast-paced environments. Your expertise in Microsoft technologies, GoLang, Kubernetes, and cloud platforms will be invaluable as you lead development teams to ensure high-quality implementations. This is … emerging technologies, and deliver scalable and reliable solutions. You will collaborate with Business stakeholders to translate requirements into a robust architectural vision, guiding the transformation of legacy systems into modern, cloud-based solutions This role is eligible for inclusion in the Company’s hybrid working from home policy. Preferred Skills, Qualifications and Experience Demonstrated ability to produce … translate them into a robust architectural vision. Developing comprehensive vision documents and strategic blueprints for the Player Account Management platform. Leading the design and transformation of legacy systems into modern, cloud-based solutions. Overseeing and guiding development teams to ensure architectural integrity and high-quality implementations. Facilitating effective communication across cross-functional teams to align technical solutions More ❯

are looking for A Software Architect, who will drive the evolution of our Player Account Management systems. We are seeking innovative individual with proven experience in architecting complex software systems in fast-paced environments. Your expertise in Microsoft technologies, GoLang, Kubernetes, and cloud platforms will be invaluable as you lead development teams to ensure high-quality implementations. This is … emerging technologies, and deliver scalable and reliable solutions. You will collaborate with Business stakeholders to translate requirements into a robust architectural vision, guiding the transformation of legacy systems into modern, cloud-based solutions This role is eligible for inclusion in the Company’s hybrid working from home policy. Preferred Skills, Qualifications and Experience Demonstrated ability to produce … translate them into a robust architectural vision. Developing comprehensive vision documents and strategic blueprints for the Player Account Management platform. Leading the design and transformation of legacy systems into modern, cloud-based solutions. Overseeing and guiding development teams to ensure architectural integrity and high-quality implementations. Facilitating effective communication across cross-functional teams to align technical solutions More ❯

are looking for A Software Architect, who will drive the evolution of our Player Account Management systems. We are seeking innovative individual with proven experience in architecting complex software systems in fast-paced environments. Your expertise in Microsoft technologies, GoLang, Kubernetes, and cloud platforms will be invaluable as you lead development teams to ensure high-quality implementations. This is … emerging technologies, and deliver scalable and reliable solutions. You will collaborate with Business stakeholders to translate requirements into a robust architectural vision, guiding the transformation of legacy systems into modern, cloud-based solutions This role is eligible for inclusion in the Company’s hybrid working from home policy. Preferred Skills, Qualifications and Experience Demonstrated ability to produce … translate them into a robust architectural vision. Developing comprehensive vision documents and strategic blueprints for the Player Account Management platform. Leading the design and transformation of legacy systems into modern, cloud-based solutions. Overseeing and guiding development teams to ensure architectural integrity and high-quality implementations. Facilitating effective communication across cross-functional teams to align technical solutions 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 ❯