51 to 75 of 252 Legacy Systems Jobs in the UK excluding London

improving our older Node.js applications (Express, Handlebars, MongoDB) Data and ingestion - working with large datasets, building and optimising data pipelines, and ensuring our systems perform at scale This is a hands on role. We are looking for someone who can take a feature from concept through to production - designing … databases, LLMs, retrieval-augmented generation (RAG), or applying AI/ML techniques to deliver better user experiences MongoDB (we still have legacy systems running on it) CI/CD and DevOps - Docker, build pipelines, automated testing AWS (or similar cloud platforms - GCP, Azure) Kubernetes ElasticSearch Real-time ...

software platforms that power our Physical Security business partners globally, with a primary focus on operating and engineering our existing Physical Security Systems and migrating to Genetec solutions for Access Control and CCTV. You will also work with non‐Genetec solutions that serve the needs of BNY’s Corporate … ways: Provide end-to-end Engineering support for our global suite of Physical security applications. This includes: Migration to Genetec from legacy systems (e.g., C-CURE, Victor), including architecture, cutover planning, device onboarding, integrations, data/credential migrations, and stakeholder communications. Plan and execute system updates, firmware ...

trusted technology partner to major NHS Trusts , with its platform now widely used by clinicians across the UK. Replacing outdated legacy systems with intuitive, user-centric tools, they are improving how healthcare teams operate and ultimately enhancing patient outcomes. With multiple industry awards , major contracts secured … platform and wider engineering function. Youll join a high-performing team of 20+ engineers , working on a mix of greenfield and evolving systems , contributing across a full-stack, microservices architecture . This is more than just a coding role its an opportunity to build technology that directly improves lives ...

product management, customer acquisition, ordering and fulfilment. Bravissimo is in the middle of a major digital transformation programme, with plans to transition our legacy .NET estate to new service-based architectures. We're evolving towards a full-stack engineering environment, with TypeScript, Node.js, React … Contribute to event-driven and API-led architectures. Troubleshoot production issues and implement sustainable solutions. Participate in the ongoing modernisation of legacy systems and platforms. Contribute to code reviews, technical discussions and continuous improvement initiatives. Participate in Agile ceremonies including sprint planning, refinement, reviews and retrospectives. Technical ...

Innovation Lead Job purpose summary: As Lead Technologist, you'll own the technical direction for our innovation product portfolio, leading development of operational intelligence systems, real-time monitoring tools, decision-support platforms and customer-facing experiences. Working embedded with operational, data science, and commercial stakeholders, you'll translate complex … requirements into production-ready systems that drive efficiency, safety, and service quality in a live operational environment. Key responsibilities and accountabilities: Drive technical architecture across the product pipeline - from real-time data processing and predictive analytics through to automated operations and intelligent alerting. Lead delivery of production ML/ ...

work closely with engineers, product teams and business stakeholders to develop scalable Python services, APIs and data solutions that replace legacy systems and improve the flow of information across the business. This role offers the opportunity to make a tangible impact on a high-profile transformation programme ...

Employment type: Permanent, Full time A specialist engineering manufacturer is looking for a Control and Automation Engineer to develop, improve and support the control systems used across its expanding product range. This is a varied engineering role combining controls hardware, software development, user-interface design and system integration. … support existing and legacy control systems. The company is open-minded regarding your technical background. You could come from PLC automation, embedded systems, industrial software or a combination of these areas. The role will include: Designing control and automation systems for new products Developing software applications ...

Emerald Group is seeking a price governance professional responsible for ensuring pricing and underwriting systems are robust and well controlled. You will lead on pricing change delivery across Radar and legacy systems and resolve incidents when systems fail. You will drive testing strategies, ensure requirements ...

delivery of scalable, cloud-first applications that make a real difference to people's lives? Excited by the challenge of modernising legacy systems while driving engineering excellence across Agile teams? As our Lead Software Engineer , you'll play a pivotal role in evolving StepChange's digital capability … Agile environment, balancing strategic thinking with hands-on technical delivery. Whether you're mentoring engineers, leading architectural decisions, improving development processes, or modernising legacy applications built on Angular and .NET, you'll play a key role in strengthening engineering capability and helping us deliver innovative digital solutions that ...

shipped production-grade platforms: the reusable foundations, tools, infrastructure, and workflows that help other teams shift faster and more reliably Taken AI and agentic systems from prototype to production, with a strong understanding of infrastructure, authentication, and observability Delivered on high-stakes consulting engagements across multiple language paradigms, stacks … record of understanding, assessing, and embracing new tooling and trends within the software industry Built or integrated AI/ML features into products and systems, including recommendation engines, NLP, computer vision, predictive analytics, RAG pipelines, and agents Successfully led modernisation and replatforming efforts to align legacy systems ...

team at Reassured. You’ll play a key role in evolving our internal CRM platform, taking ownership of complex features and helping shape the systems that support a fast-paced, highly regulated business. Working within a collaborative Scrum team, you’ll balance hands-on development with technical leadership, influencing … driving high-quality, scalable solutions across the team. What you’ll be doing Support in the design and implementation of robust, scalable backend systems using PHP (Laravel/CakePHP). Take ownership of features from concept through design, development, testing, and deployment. Improve and refactor legacy systems ...

data-platform transformation by translating commercial requirements into clear analytical and reporting specifications. Help harmonize data and reporting across legacy systems, products, regions, and acquired businesses. Promote appropriate controls for data access, privacy, confidentiality, and responsible handling of commercial information. Stakeholder Partnership Act as the primary analytics … pipeline, conversion, retention, NRR/GRR, churn, expansion, pricing, and forecast accuracy Experience improving data quality, metric governance, reporting controls, and documentation across multiple systems or business units Strong stakeholder-management skills, with the confidence to challenge assumptions and influence senior commercial leaders Ability to operate effectively ...

technical delivery for a Generative AI platform for a UK government department. This role involves eliciting and translating complex requirements - spanning Legacy systems, multi-cloud integration, and Responsible AI constraints - into clear, actionable specifications that engineering, product, and policy teams can build against. Key Responsibilities Requirements Elicitation … they were. Required Skills & Experience Demonstrable experience as a Business Analyst on complex, technical digital delivery programmes, ideally involving data-intensive or AI-assisted systems Strong requirements elicitation, process mapping, and gap analysis skills, with experience producing clear, unambiguous documentation Experience writing user stories and acceptance criteria within ...

knowledge on the job. Technology Exposure: Depending on your specific project, you’ll get exposure to a wide range of different technologies and systems and receive training to understand how to use as well as help implement them. Certifications: Weinvest more than $1 billion each year in continuous learning … supporting our client’s digital transformation, by defining business and technical requirements, mapping critical data and processes, guiding the migration from legacy systems to modern platforms, and decommissioning outdated infrastructure - improving efficiency, reducing costs, and securing long-term operational resilience. Where you take your career after ...

transformation business specialising in application engineering and support, cloud, data and AI and security. We differentiate in our ability to solve legacy systems challenges, helping organisations transition to more agile and efficient solutions. Our mission is to empower businesses through innovative technology that drives growth and enhances ...

Architect virtualisation solutions, containerisation strategies and orchestration platforms. Design disaster recovery, business continuity and resilience architectures meeting availability requirements. Guide infrastructure modernisation programmes, legacy system migrations and technology refresh initiatives. Ensure infrastructure designs comply with security requirements, Classification Guides and defence standards. Technical Leadership & Governance Lead infrastructure technical ...

closely with Product and Architecture to shape technical strategy and delivery plansGuide teams building and evolving AWS-native and cloud-based platforms, alongside legacy systemsSet and uphold strong engineering standards across code quality, testing, CI/CD, observability and documentationStay close to technical decisions through design reviews, architecture ...

delivery, providing practical technical leadership to development teams while defining a scalable, long-term architectural approach. Define the software architecture for complex automation and systems integration projects. Design scalable, secure and maintainable applications using C#/.NET, Python and Django. Establish clear architectural standards, design principles and technology roadmaps. … Translate customer, operational and engineering requirements into practical technical solutions. Design platforms that integrate business applications, databases, automation systems, third-party products and physical equipment. Define service boundaries, APIs, data flows, interface specifications and integration patterns. Produce architecture diagrams, technical designs, data models and supporting documentation. Design distributed, event ...

benefits Chippenham, Wiltshire Permanent We're looking for a talented Software Developer to join a busy development team, working on a mix of existing systems and new software solutions. You'll take ownership of developing, improving and maintaining applications, working with C#, .NET and SQL Server, alongside a range … modern technologies. From building APIs and optimising databases to modernising legacy systems, this is a varied role where your technical expertise will make a real impact. Working within an Agile team, you'll have the opportunity to contribute ideas, solve complex problems and help shape reliable, secure ...

scale data migration and integration Oracle and/or Oracle Fusion data sources SharePoint data extraction and integration Working with multiple and varied source systems Data transformation, mapping and validation Designing data pipelines in environments where architecture and processes are still developing Key Responsibilities Design, build and maintain data … migration and ingestion pipelines within Azure. Support the setup and development of the Azure Data Lake environment. Build integrations between source systems, Azure Data Lake and Databricks. Develop and manage pipelines using Azure Data Factory (ADF). Extract and migrate data from a variety of source systems, including ...

Solutions Architect required for an initial 6-month contract with a well-established global organisation undergoing a major technology transformation and legacy systems modernisation programme. Working within a predominantly Microsoft technology environment, you will play a key role in defining solution architecture, supporting the migration of legacy … across transformation and modernisation initiatives. Produce high-level and low-level solution designs to support business and technical requirements. Support the migration of legacy applications and platforms to modern cloud-based solutions. Ensure solutions align with architectural standards, security requirements, and business objectives. Collaborate closely with business stakeholders ...

Solutions Architect required for an initial 6-month contract with a well-established global organisation undergoing a major technology transformation and legacy systems modernisation programme. Working within a predominantly Microsoft technology environment, you will play a key role in defining solution architecture, supporting the migration of legacy … across transformation and modernisation initiatives. Produce high-level and low-level solution designs to support business and technical requirements. Support the migration of legacy applications and platforms to modern cloud-based solutions. Ensure solutions align with architectural standards, security requirements, and business objectives. Collaborate closely with business stakeholders ...

operational business processes into effective IT and SAP-based solutions. You will act as a bridge between business stakeholders and technical teams, ensuring systems are aligned with and enhance core business operations. The ideal candidate will have strong business process knowledge, hands-on SAP experience across multiple modules … within budget Develop system blueprints outlining design and configuration Build and validate prototypes with stakeholders Manage and execute data migration from legacy systems Plan, execute, and oversee testing activities, including unit testing and UAT Coordinate and support Go-Live activities, providing immediate post-implementation support Develop ...

engineering capability, translating customer needs and business requirements into scalable digital solutions. As ARC's subject matter expert for user experience, accessibility, design systems and front-end standards, the UX/UI Designer & Front-End Developer will lead the development and governance of the Design System, ensuring consistency, usability … applications. Advanced proficiency in Figma, wireframing, prototyping and interface design, plus experience with Adobe Creative Suite or equivalent tools. Experience creating and maintaining design systems and reusable component libraries. Experience integrating front-end applications with APIs and backend services, with an understanding of .NET architecture and API-driven applications. ...

software ecosystem across cloud, desktop, Firmware and mobile platforms. This is a high-impact role focused on improving architectural consistency, modernising legacy systems, and driving scalable IoT solutions across a complex engineering environment. You will work closely with senior management and the relevant technical teams to define … technical direction, align technologies, and ensure systems evolve in a scalable and maintainable way. Key skills/experience required: Extensive experience in software engineering, with significant time in architectural roles Proven experience designing distributed systems across cloud and application layers Strong experience with at least one major cloud ...