201 to 225 of 339 Legacy Systems Jobs in the UK

talented team on our mission to help people and businesses thrive through technology. If you love untangling hard problems, improving legacy systems, and shipping clean, tested code, you'll fit right in. Your role as a Senior PHP Software Engineer at True9: Lead the back-end - write ...

talented team on our mission to help people and businesses thrive through technology. If you love untangling hard problems, improving legacy systems, and shipping clean, tested code, you'll fit right in. Your role as a Senior PHP Software Engineer at True9: Lead the back-end - write ...

talented team on our mission to help people and businesses thrive through technology. If you love untangling hard problems, improving legacy systems, and shipping clean, tested code, you'll fit right in. Your role as a Senior PHP Software Engineer at True9: Lead the back-end - write ...

talented team on our mission to help people and businesses thrive through technology. If you love untangling hard problems, improving legacy systems, and shipping clean, tested code, you'll fit right in. Your role as a Senior PHP Software Engineer at True9: Lead the back-end - write ...

talented team on our mission to help people and businesses thrive through technology. If you love untangling hard problems, improving legacy systems, and shipping clean, tested code, you'll fit right in. Your role as a Senior PHP Software Engineer at True9: Lead the back-end - write ...

talented team on our mission to help people and businesses thrive through technology. If you love untangling hard problems, improving legacy systems, and shipping clean, tested code, you'll fit right in. Your role as a Senior PHP Software Engineer at True9: Lead the back-end - write ...

lead technology and product through a critical phase of scale and modernisation. This role suits a hands-on leader who has successfully modernised legacy platforms, built high-performing teams, and can balance innovation with operational stability in mission-critical environments. You'll lead a team of 50+ engineers … transformation programmes (not just attempted) Strong product mind-set and evidence-based decision making Experience with cloud, modern frameworks, and legacy systems (e.g. AWS, MS SQL, C#, Go, React or similar) Comfortable operating at board level and with enterprise customers Desirable Skills Familiarity with investor-backed ...

migration phases Interface with Oracle Fusion data models and manage FBDI, HDL, and BICC artefacts Coordinate migration activities across multiple legacy source systems Provide leadership and guidance to technical and functional teams Identify, manage, and mitigate risks related to data quality, security, and cutover readiness Minimum Requirements … projects for Oracle Fusion Cloud Financial Management, HCM, and EPM Experience working in complex legacy environments with both Oracle and non-Oracle systems Proven experience with Oracle Master Data Management products Strong understanding of data management methodologies Excellent problem-solving, analytical, communication, and leadership skills Ability ...

volume digital commerce business. This role sits at the heart of the product ecosystem, shaping how products, prices, availability and rules flow through complex systems and into customer-facing experiences. Youll work on foundational capabilities rather than surface-level features, helping to create scalable, predictable systems that enable … product, API and data requirements Define scalable product models, pricing logic and configuration rules Own roadmap initiatives that reduce reliance on legacy systems APIs, Data & Integrations Partner with engineering to design and evolve API contracts, data structures and error handling Work closely with suppliers and internal teams ...

Excellent communication skills Exceptional Stakeholder Management skills Flexible approach towards onsite working (minimum 3 days per week) Nice to have: Working knowledge of CRM systems and ability to refine requirements (ie MS Dynamics) Experience of working on Programmes relating to legacy systems, mapping out what ...

looking for a CRM Data Migration Lead to own the end-to-end migration of data from three complex legacy systems into a new Salesforce CRM. This role sits within a major transformation programme and requires someone who has previously defined, planned, and executed a full data … data selection, cleansing rules, mapping, and transformation logic. Conduct multiple dry runs and ensure thorough testing at each stage. Tackle messy, low-quality legacy data and apply robust governance for what transfers to the new CRM Translate technical detail for non-technical stakeholders and operate effectively within ...

work within a collaborative, multidisciplinary environment to design, build, and maintain high-quality digital services. The role involves contributing to both new and existing systems, supporting multiple languages and platforms, and applying strong DevOps, TDD, and modern engineering practice throughout. Key Responsibilities Develop new services using Python while supporting … existing components written in Java and .NET Work with Oracle PL/SQL to support legacy and operational systems Engineer solutions across cloud and infrastructure environments including AWS, Azure, Linux, SQL Server, Postgres, Docker, and Kubernetes Implement CI/CD pipelines using GitHub or Azure DevOps Deliver ...

Business Analyst you will support the transition from the legacy systems into the new platforms. Engaging with key business stakeholders to support the transition and capture further improvements. You will provide analytical and creative problem-solving to improve business processes. Working independently and flexibly, organising activities … gathering requirements, developing user stories and recommending business solutions as part of a continuous improvement. Provide the business with a functional understanding of how systems are integrated and how data flows between applications. Develop business cases, cost-benefit analyses, and implementation roadmaps for procurement system enhancements. Analysing situations ...

lead a major tax software migration within its UK Life Tax division. Key Responsibilities Lead the end-to-end migration from a legacy tax system to a new third-party platform. Manage planning, timelines, risks, and stakeholder updates. Oversee data configuration, data take-on, and system testing ...

position where you will have freedom to work on bespoke projects. This company is a digital transformation company specialising in bespoke software development, legacy system support, and enterprise applications for a diverse range of clients. In this varied role you will design, develop, and maintain Umbraco-based ...

position where you will have freedom to work on bespoke projects. This company is a digital transformation company specialising in bespoke software development, legacy system support, and enterprise applications for a diverse range of clients. In this varied role you will design, develop, and maintain Umbraco-based ...

alike. The Role As a Web Developer, you will: Develop, and maintain both internal and external web and mobile applications. Redevelop legacy systems and create bespoke digital solutions. Participate in the full software development lifecycle - from requirements gathering to development, deployment and maintenance. Ensure code quality through ...

play a key role in developing new features, building applications from the ground up, and supporting the migration of legacy systems to the latest version of .NET, including the use of containerisation. You'll also work closely with analysts and other developers to continuously improve product performance ...

technical depth , gain exposure to DevOps, cloud, and observability practices, and help define how we build software at Firenze. With no legacy systems , you’ll be shaping our platform from the ground up and growing alongside a team that values mentorship, learning, and engineering excellence. Key Responsibilities … pipelines) and learn how to scale reliable delivery. Performance & Observability: Gain hands-on experience with monitoring tools and learn how to build observable systems from day one. Documentation & Developer Experience: Help create clear technical docs and reusable tooling that makes development smoother for everyone. Cross-Functional Collaboration: Partner with ...

technical depth, gain exposure to DevOps, cloud, and observability practices, and help define how we build software at Firenze. With no legacy systems, you'll be shaping our platform from the ground up and growing alongside a team that values mentorship, learning, and engineering excellence. Key Responsibilities … pipelines) and learn how to scale reliable delivery. Performance & Observability: Gain hands-on experience with monitoring tools and learn how to build observable systems from day one. Documentation & Developer Experience: Help create clear technical docs and reusable tooling that makes development smoother for everyone. Cross-Functional Collaboration: Partner with ...

looking for a Systems Analyst to bridge the gap between business needs and technical solutions across our core line-of-business applications. You'll translate business requirements into clear, functional specifications, shape system designs, and ensure seamless integrations - both in-house and with trusted third-party partners. Your … role Translate business needs: Integrate business requirements into functional requirements for in-house developed systems. Design core systems: Create system designs for line-of-business applications, with a strong appreciation for third-party integrations and data feeds. Collaborate cross-functionally: Work closely with analysts, developers, testers, and a variety ...

training team at Baltic Apprenticeships. A Typical Day in the Job: Develop, deliver and support dynamic web applications and services. Upgrade legacy systems to improve functionality and usability with modern web technologies. Use APIs to synchronise the flow of data between internal and external systems. Support … keen interest in modern software development principles. A desire to be involved in a fast paced team environment. Knowledge and experience of modern information systems including computer proficiency. Strong people and communication skills. Grade 6 in GCSE Maths and Grade 4 in GCSE English. Salary, Hours?&?Benefits ...

involve? As a Full Stack Developer, youll be: Developing new features across our Laravel and Angular applications Supporting the modernisation of legacy systems as part of our platform evolution Building APIs and integrations that connect farm data to actionable insights Contributing to architecture discussions and technical decision … receive feedback, and learn from the team Experience with AI-assisted development, such as Junie, Claude, or similar code generation tools Comfort with legacy codebases, understanding that modernisation is a journey not a rewrite Package We offer a competitive salary reflecting your experience, 33 days holiday (including bank ...

impact and your voice drives innovation? This is your chance to join a global, tech-forward organisation that’s transforming its legacy systems into a modern, service-oriented architecture. You’ll play a key role in that transformation, with the opportunity to grow your skills, contribute fresh … Server and T-SQL Excellent communicator who thrives in a team setting Bonus: Experience working on high-availability , multi-user , n-tier distributed systems Hybrid Working Based in the West Midlands , with flexible hybrid working that balances collaboration and personal productivity. If you're ready to join a business ...

profile sectors. Focusing on delivering high-fidelity synthetic environments, robust software assurance, and complex cloud migrations, often bridging the gap between legacy systems and modern digital architectures - all across various classified environments. Key Responsibilities: Planning, design, and implementation of physical and virtual IT infrastructure solutions. Ensuring timely ...