Permanent Legacy Systems Jobs in Wales

1 to 25 of 38 Permanent Legacy Systems Jobs in Wales

Senior Full Stack C# .NET Developer

cardiff, United Kingdom
Hybrid / WFH Options
WebX Systems Ltd
Senior Full Stack C# .NET DeveloperFully Remote (UK Residents Only) About WebX Systems At WebX, we specialise in technical publishing and content management solutions for the aerospace and defence sectors worldwide. Our flagship products— UltraCSDB®, UltraAuthorTM, UltraXMLTM , and UltraPortalTM —are used globally and combine proven legacy systems … Stack .NET Developer to help evolve our product suite. You’ll work across both legacy Windows desktop applications and modern web-based systems and help lead the transition toward cloud-native architecture. This role is perfect for someone who enjoys innovating within established environments while also driving … quality. What We Offer Salary : £70,000 – £85,000 depending on experience Technical Growth – Work across a diverse technology landscape, from legacy systems to cutting-edge cloud-native tools. Autonomy – Freedom to shape technical decisions and make a significant impact on product direction and architecture. Career Advancement More ❯
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Senior Full Stack C# .NET Developer

newport, midlands, United Kingdom
Hybrid / WFH Options
WebX Systems Ltd
Senior Full Stack C# .NET DeveloperFully Remote (UK Residents Only) About WebX Systems At WebX, we specialise in technical publishing and content management solutions for the aerospace and defence sectors worldwide. Our flagship products— UltraCSDB®, UltraAuthorTM, UltraXMLTM , and UltraPortalTM —are used globally and combine proven legacy systems … Stack .NET Developer to help evolve our product suite. You’ll work across both legacy Windows desktop applications and modern web-based systems and help lead the transition toward cloud-native architecture. This role is perfect for someone who enjoys innovating within established environments while also driving … quality. What We Offer Salary : £70,000 – £85,000 depending on experience Technical Growth – Work across a diverse technology landscape, from legacy systems to cutting-edge cloud-native tools. Autonomy – Freedom to shape technical decisions and make a significant impact on product direction and architecture. Career Advancement More ❯
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Cyber Security Asset Technician

newport, wales, United Kingdom
Carbon60
workstations, and providing IT support to eliminate production deviations. You will also be responsible for managing hardware and software licensing, maintaining backups and restoring systems, and applying relevant security measures. The ideal candidate for the IT Specialist role will have previous experience working in an industrial environment, supporting and … ability to effectively liaise with both IT professionals and end-users are essential. Experience in project management and a good understanding of Microsoft operating systems, including legacy systems, are also highly valued. This is an exciting opportunity to join a dynamic and innovative company, where you More ❯
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Senior .Net Developer

cardiff, United Kingdom
Ocho
Leading the development of new features using modern DevOps and deployment practices ( Docker, AWS ECS, CI/CD ) Refactoring and optimising legacy systems for performance, scalability, and maintainability Mentoring a junior developer through code reviews, guidance, and best practices Collaborating with business stakeholders to translate needs into More ❯
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Senior .Net Developer

newport, midlands, United Kingdom
Ocho
Leading the development of new features using modern DevOps and deployment practices ( Docker, AWS ECS, CI/CD ) Refactoring and optimising legacy systems for performance, scalability, and maintainability Mentoring a junior developer through code reviews, guidance, and best practices Collaborating with business stakeholders to translate needs into More ❯
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Software Engineer

cardiff, United Kingdom
Hybrid / WFH Options
Cloud Decisions
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 … 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 More ❯
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Software Engineer

newport, midlands, United Kingdom
Hybrid / WFH Options
Cloud Decisions
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 … 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 More ❯
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SAP Cloud Solutions Architect

cardiff, United Kingdom
Hybrid / WFH Options
Blue Astral Consulting
and guiding large-scale data platform migrations. Proficiency in AWS, Azure, or GCP is required, and familiarity with SAP BW, SAP Datasphere, and legacy-to-cloud migration strategies is a significant advantage. If you thrive in a consultative environment, have a passion for architecting scalable data solutions, and … and implement CDC and delta load frameworks to enhance data integration and performance. Platform Modernization & SAP Expertise: Lead complex migrations from legacy systems to modern cloud platforms; oversee SAP BW to SAP Datasphere transitions and leverage SAP Data Analytics to maximize solution effectiveness. Governance, Security & Collaboration: Ensure … experience as a Data Solutions Consultant, Pre-Sales Data Engineer, or in a cloud data architecture role in SAP BW, AP Datasphere, and legacy-to-cloud migration strategies Hands-on experience with AWS, Azure, or GCP and familiarity with cloud-native tools such as AWS Glue, DMS, Kafka More ❯
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SAP Cloud Solutions Architect

newport, midlands, United Kingdom
Hybrid / WFH Options
Blue Astral Consulting
and guiding large-scale data platform migrations. Proficiency in AWS, Azure, or GCP is required, and familiarity with SAP BW, SAP Datasphere, and legacy-to-cloud migration strategies is a significant advantage. If you thrive in a consultative environment, have a passion for architecting scalable data solutions, and … and implement CDC and delta load frameworks to enhance data integration and performance. Platform Modernization & SAP Expertise: Lead complex migrations from legacy systems to modern cloud platforms; oversee SAP BW to SAP Datasphere transitions and leverage SAP Data Analytics to maximize solution effectiveness. Governance, Security & Collaboration: Ensure … experience as a Data Solutions Consultant, Pre-Sales Data Engineer, or in a cloud data architecture role in SAP BW, AP Datasphere, and legacy-to-cloud migration strategies Hands-on experience with AWS, Azure, or GCP and familiarity with cloud-native tools such as AWS Glue, DMS, Kafka More ❯
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Salesforce Consultant

cardiff, united kingdom
Hybrid / WFH Options
Solution Junkies
Configure Salesforce and perform necessary customisations to meet client requirements. Oversee data migration efforts, ensuring the accurate transfer of data from legacy systems to Salesforce. Develop and execute test plans to ensure the quality and functionality of Salesforce solutions. Provide user training and support to ensure the More ❯
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Salesforce Consultant

newport, midlands, united kingdom
Hybrid / WFH Options
Solution Junkies
Configure Salesforce and perform necessary customisations to meet client requirements. Oversee data migration efforts, ensuring the accurate transfer of data from legacy systems to Salesforce. Develop and execute test plans to ensure the quality and functionality of Salesforce solutions. Provide user training and support to ensure the More ❯
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Senior Platform Engineer

cardiff, United Kingdom
Ntegra
practices, and mentor more junior team members internally. Initial Project Responsibilities Diverse assignments spanning modern cloud and data infrastructure, from modernising legacy systems into cloud-native architectures to building and maintaining robust data platforms across multiple cloud providers. Implementation of secure data processing environments for classified information More ❯
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Senior Platform Engineer

newport, midlands, United Kingdom
Ntegra
practices, and mentor more junior team members internally. Initial Project Responsibilities Diverse assignments spanning modern cloud and data infrastructure, from modernising legacy systems into cloud-native architectures to building and maintaining robust data platforms across multiple cloud providers. Implementation of secure data processing environments for classified information More ❯
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Magento Solutions Architect

cardiff, United Kingdom
Kevin Edward
design, server-side architecture) best practices. Key Responsibilities As our solutions architect, you will be accountable for the development, maintenance and execution of the systems architecture roadmaps. Conduct architectural reviews and propose technical solutions for ongoing digital transformation initiatives. Working closely with the logistics, business systems and development … to ensure that design options are effectively evaluated and that robust recommendations are made. Proven ability to react to issues with legacy systems and suggest innovative approaches to day-to-day challenges within the existing bounds of those platforms. Ongoing governance of project delivery against agreed designs More ❯
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Magento Solutions Architect

newport, midlands, United Kingdom
Kevin Edward
design, server-side architecture) best practices. Key Responsibilities As our solutions architect, you will be accountable for the development, maintenance and execution of the systems architecture roadmaps. Conduct architectural reviews and propose technical solutions for ongoing digital transformation initiatives. Working closely with the logistics, business systems and development … to ensure that design options are effectively evaluated and that robust recommendations are made. Proven ability to react to issues with legacy systems and suggest innovative approaches to day-to-day challenges within the existing bounds of those platforms. Ongoing governance of project delivery against agreed designs More ❯
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Martech Product Manager

cardiff, United Kingdom
developrec
of GDPR, consent management, and data security best practices. Practical experience with Agile methodologies. Proficient in integrating third-party APIs, internal tools, and legacy systems. Familiarity with architecture tools (e.g., Ardoq) to identify system dependencies and gaps. Strong stakeholder management and cross-functional collaboration skills. Strategic thinker with More ❯
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Martech Product Manager

newport, midlands, United Kingdom
developrec
of GDPR, consent management, and data security best practices. Practical experience with Agile methodologies. Proficient in integrating third-party APIs, internal tools, and legacy systems. Familiarity with architecture tools (e.g., Ardoq) to identify system dependencies and gaps. Strong stakeholder management and cross-functional collaboration skills. Strategic thinker with More ❯
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Full Stack Developer

Cardiff, South Glamorgan, Wales, United Kingdom
Page 1 Recruitment
others Confident with Symfony, Vue.js, HTML, SCSS, JS, and MySQL Comfortable with Git, APIs, Webpack, Composer, and NPM Skilled at modernising legacy systems without breaking stability Calm, analytical problem-solver who works well under pressure Strong communicator who collaborates across teams You build clean, scalable apps with More ❯
Employment Type: Permanent
Salary: £60,000
Posted:

Principal Software Developer

Remote/Hybrid, Cardiff
Hybrid / WFH Options
Companies House
of innovation and experimentation. Keep up to date with emerging technologies and lead the introduction into the development community when appropriate, ensuring that legacy technologies and services are constantly improved or removed as necessary. We want our profession to: Be passionate about meeting user needs by releasing software … Docker. We also have a dedicate Research and Development driving Innovation at the heart of Engineering. We're migrating our current legacy systems into a Microservice architecture. All new services are hosted on AWS and we're using trunk-based development and Continuous Integration. We're working More ❯
Employment Type: Permanent
Salary: £51,854 - £65,717
Posted:

Senior Application Security Engineer

cardiff, United Kingdom
Lawrence Harvey
You’ll be joining a high-impact security team at a pivotal point in the company’s growth. The environment spans legacy systems, enterprise-grade platforms, and greenfield builds – making it an ideal opportunity for individuals who thrive in varied, fast-paced environments and enjoys taking ownership More ❯
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Senior Application Security Engineer

newport, midlands, United Kingdom
Lawrence Harvey
You’ll be joining a high-impact security team at a pivotal point in the company’s growth. The environment spans legacy systems, enterprise-grade platforms, and greenfield builds – making it an ideal opportunity for individuals who thrive in varied, fast-paced environments and enjoys taking ownership More ❯
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Senior AI Engineer

cardiff, United Kingdom
Volaris Group
models) and delivered measurable improvements like a 10% boost in classification accuracy. • System Modernization: Proficient in optimizing workflows, reducing technical debt, and modernizing legacy systems. • Automation and Efficiency: Developed automated solutions, including CI/CD pipelines, testing frameworks, and predictive models to enhance efficiency. • Collaboration and Impact: Demonstrated … As an AI-Powered Solutions Developer, you will be at the forefront of Volaris' transformation efforts. Your role will involve modernizing legacy systems, enhancing developer efficiency, reducing technical debt, and applying AI-driven tools to optimize workflows. This is a hands-on role for someone eager to … generators. • Continuous Learner: Driven to seek out, learn, and apply new technologies. • Adaptable: Proficient in switching across technologies, toolsets, and working with both legacy and modern systems. • Project Focused: Maintains a clear focus on milestones and timelines. Key Responsibilities • Blend technical expertise with clear, impactful storytelling • Focus demos More ❯
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Senior AI Engineer

newport, midlands, United Kingdom
Volaris Group
models) and delivered measurable improvements like a 10% boost in classification accuracy. • System Modernization: Proficient in optimizing workflows, reducing technical debt, and modernizing legacy systems. • Automation and Efficiency: Developed automated solutions, including CI/CD pipelines, testing frameworks, and predictive models to enhance efficiency. • Collaboration and Impact: Demonstrated … As an AI-Powered Solutions Developer, you will be at the forefront of Volaris' transformation efforts. Your role will involve modernizing legacy systems, enhancing developer efficiency, reducing technical debt, and applying AI-driven tools to optimize workflows. This is a hands-on role for someone eager to … generators. • Continuous Learner: Driven to seek out, learn, and apply new technologies. • Adaptable: Proficient in switching across technologies, toolsets, and working with both legacy and modern systems. • Project Focused: Maintains a clear focus on milestones and timelines. Key Responsibilities • Blend technical expertise with clear, impactful storytelling • Focus demos More ❯
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3rd line support Engineer

cardiff, United Kingdom
Hybrid / WFH Options
Stable
party applications, and anti-virus definitions including Microsoft Defender. Maintain compliance with Cyber Essentials standards. Provide support including Microsoft Intune and legacy systems Support device endpoints using Manage Engine Endpoint & Applications Manager. Maintain patching schedules and configuration for various devices via policy, and daily checks. Report on … the Disaster Recovery Plan is fit for purpose, via detailed documentation in conjunction with the client. Conduct regular disaster recovery assurance testing for various systems, including Azure infrastructure failover, M365 backup/restore, network infrastructure failover. The Person Strong experience with Microsoft Azure, Intune, Manage Engine, and M365 AZ More ❯
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3rd Line Service Support Engineer

Cardiff, South Glamorgan, United Kingdom
Stable Resources Ltd
party applications, and anti-virus definitions including Microsoft Defender. Maintain compliance with Cyber Essentials standards. Provide support including Microsoft Intune and legacy systems Support device endpoints using Manage Engine Endpoint & Applications Manager. Maintain patching schedules and configuration for various devices via policy, and daily checks. Report on … the Disaster Recovery Plan is fit for purpose, via detailed documentation in conjunction with the client. Conduct regular disaster recovery assurance testing for various systems, including Azure infrastructure failover, M365 backup/restore, network infrastructure failover. The Person Strong experience with Microsoft Azure, Intune, Manage Engine, and M365 AZ More ❯
Employment Type: Permanent
Salary: £32000 - £35000/annum
Posted:
Legacy Systems
Wales
25th Percentile
£46,250
Median
£47,500
75th Percentile
£48,750