126 to 150 of 202 Legacy Systems Jobs in the UK

functional teams throughout the software development lifecycle. Write clean, maintainable, and well-tested code following best practices. Support the modernisation of legacy systems into a unified SaaS platform. Participate in code reviews and contribute to technical discussions and solution design. Essential Skills Strong commercial experience with Java ...

aligned to our technology strategy. You will partner with Product, Platform, Cyber, Operations, Change and business stakeholders to reduce complexity, modernise legacy systems and support confident decision making across the organisation. Location: Fully remote (UK based). Responsibilities Define and maintain our enterprise and target state architecture ...

aligned to our technology strategy. You will partner with Product, Platform, Cyber, Operations, Change and business stakeholders to reduce complexity, modernise legacy systems and support confident decision making across the organisation. Location: Fully remote (UK based). Responsibilities Define and maintain our enterprise and target state architecture ...

aligned to our technology strategy. You will partner with Product, Platform, Cyber, Operations, Change and business stakeholders to reduce complexity, modernise legacy systems and support confident decision making across the organisation. Location: Fully remote (UK based). Responsibilities Define and maintain our enterprise and target state architecture ...

role involves close collaboration with multidisciplinary teams and input into architectural decisions. The Role You will work across a blend of modern service based systems and established desktop applications, contributing to both ongoing improvements and new product development. The position involves hands on development, architectural input, and close collaboration … responsiblities Design, develop, test, and maintain desktop and web applications Work with C#, WPF, and modern JavaScript frameworks Support and enhance legacy systems while helping drive modernisation Contribute to architectural decisions and system design discussions Requirements Strong experience in C# and WPF desktop application development Experience with ...

ensure timely resolution of production issues. Work closely with business users and cross functional teams to ensure system stability. Support Legacy systems with a focus on availability, performance, and reliability. Required Skills: Strong hands-on experience in AS400/IBM iSeries Expertise ...

ensure timely resolution of production issues. Work closely with business users and cross functional teams to ensure system stability. Support legacy systems with a focus on availability, performance, and reliability. Required Skills: Strong hands on experience in AS400/IBM iSeries Expertise ...

transformation of its trading and post-trade infrastructure. The programme centres on the implementation and consolidation of the Calypso platform, replacing legacy systems and establishing a single strategic platform across multiple asset classes. We are seeking an experienced Programme Director/Transformation Lead to take ownership ...

/Integration Lead to play a key role in a large scale global ERP transformation programme, a strategic initiative consolidating multiple legacy systems into a single, standardised platform.This is an exciting opportunity to shape and deliver end to end integration and solution architecture, supporting the onboarding ...

software ecosystem across firmware, cloud, desktop, and mobile platforms. This is a high-impact role focused on improving architectural consistency, modernising legacy systems, and driving scalable IoT-style solutions across a complex engineer... WKCL1_UKTJ ...

software ecosystem across firmware, cloud, desktop, and mobile platforms. This is a high-impact role focused on improving architectural consistency, modernising legacy systems, and driving scalable IoT-style solutions across a complex engineer click apply for full job details ...

software ecosystem across firmware, cloud, desktop, and mobile platforms. This is a high-impact role focused on improving architectural consistency, modernising legacy systems, and driving scalable IoT-style xkybehq solutions across a complex engineer Please read the information in this job post thoroughly to understand exactly what ...

solutions, and a deep understanding of modern architecture patterns. This position offers an opportunity to be at the forefront of transforming legacy systems into a modern, data-driven architecture. #J-18808-Ljbffr ...

essential Strong track record of implementing Xero for small business clients Experience supporting clients through full Xero setup and migrations from legacy systems Ability to troubleshoot and resolve complex Xero-related issues Experience delivering structured training to internal or external stakeholders Excellent communication skills, with the ability ...

essential Strong track record of implementing Xero for small business clients Experience supporting clients through full Xero setup and migrations from legacy systems Ability to troubleshoot and resolve complex Xero-related issues Experience delivering structured training to internal or external stakeholders Excellent communication skills, with the ability ...

solutions to businesses across the UK. Their reliable team have extensive knowledge of hardware, software and maintaining IT infrastructure, from legacy systems to the latest technologies. If you are an IT Support Engineer with a range of IT support experience and a thorough, professional approach to providing ...

Shopify Plus Platinum partner, excels in resolving complex e‐commerce challenges. We focus on integrating large catalogs, sophisticated data frameworks, and legacy systems into seamless unified commerce and B2B solutions, delivering unparalleled customer experiences. Our skill in deploying Shopify Plus caters to top‐tier merchants in manufacturing ...

engagement and functionality. REQUIRED SKILLS Strong experience in Frontend Development. Strong knowledge of HTML, CSS, JavaScript and Angular. Experience working with existing or legacy systems. Familiarity with Git version control. Understanding of SEO best practices and UI/UX principles. Knowledge of C#, APIs or backend integrations would ...

tests using Playwright and/or Cypress . Test services built using Kotlin and TypeScript technologies. Validate complex integrations between modern platforms and legacy systems. Deliver API testing across multiple services and enterprise applications. Perform resilience and failure testing, including timeout, degradation, and dependency failure scenarios. Implement … experience testing applications and services developed in Kotlin and TypeScript . Strong API testing experience within complex distributed environments. Experience testing integrations between multiple systems and services. Knowledge of resilience testing, fault injection, timeout handling, and service degradation scenarios. Experience with contract testing tools such as PACT . Strong ...

role involves close collaboration with multidisciplinary teams and input into architectural decisions. The Role You will work across a blend of modern service based systems and established desktop applications, contributing to both ongoing improvements and new product development. The position involves hands on development, architectural input, and close collaboration … responsiblities Design, develop, test, and maintain desktop and web applications Work with C#, WPF, and modern JavaScript frameworks Support and enhance legacy systems while helping drive modernisation Contribute to architectural decisions and system design discussions Requirements Strong experience in C# and WPF desktop application development Experience with ...

understanding of Irish industry processes (e.g., market flows, Gas/Elec market interactions, DSOs/TSOs, regulatory cycles), integrations to legacy BGE systems, and upstream/downstream impacts. Ensure architectures are robust, operable, cost-efficient, and able to scale for customer growth and increased digital adoption. Work … Core Competencies & Technical Skills (AI and emerging technology): Designs, integrates and operates AI-enabled solutions within enterprise environments, including prompt driven workflows, retrieval-augmented systems and AI agents. Applies structured evaluation, testing and monitoring practices to ensure AI outputs are reliable, secure and compliant with organisational guardrails. Prepares ...

Previous team leadership or mentoring experience Strong understanding of data architecture, engineering best practices, and data quality Comfortable working with legacy source systems and improving data reliability Able to communicate effectively with both technical and business stakeholders Why Apply? Newly created role with significant ownership and influence ...

Specific Experience (Highly Desirable) Whilst ERP experience is a must, direct experience building integrations out of Infor LN (or Legacy Baan systems). Familiarity with Infor LN's database schemas and functional tables (Finance, Logistics, Procurement, Warehousing, or Manufacturing modules). Understanding of how Infor LN interacts ...

Specific Experience (Highly Desirable) Whilst ERP experience is a must, direct experience building integrations out of Infor LN (or legacy Baan systems). Familiarity with Infor LN’s database schemas and functional tables (Finance, Logistics, Procurement, Warehousing, or Manufacturing modules). Understanding of how Infor LN interacts ...

Overview We're hiring 2x Lead Developers to support a Legacy application modernisation programme. The role involves maintaining and upgrading critical business systems while transitioning them into modern, sustainable solutions. Key Responsibilities Modernise and support Legacy applications Work across development and production support Collaborate with …/PL-SQL WebAPI, WCF, SSIS Jenkins, Azure DevOps, Git, TFS IIS, Windows Services, SharePoint XML/JSON, HTML, XPath/XSLT Strong Legacy system troubleshooting experience ...