201 to 225 of 229 Legacy Systems Jobs in the UK

your time. What you'd be doing : Designing and building new features in C# and TypeScript, across Svelte, Angular, Vue or React Architecting backend systems and working across SQL and NoSQL databases Running Linux-based CI/CD pipelines (GitLab-CI/Jenkins) for containerised deployments Mentoring junior engineers … this is largely an on-site role, 4 to 5 days a week depending on workload. If "real-time simulation for next-generation defence systems" sounds more interesting than your current backlog, let's have a conversation, even if you weren't actively looking. ...

orchestration and configuration management. Implementing security best practices across automation platforms, CI/CD pipelines, and infrastructure deployments. Integrating automation platforms with enterprise systems using APIs, webhooks, and event-driven workflows. Creating reusable templates, frameworks, and standards to improve automation consistency across teams. Producing technical documentation, operational procedures … platforms within production environments. Solid understanding of automation and CI/CD security best practices, including RBAC, secrets management, and pipeline hardening. Experience integrating systems using REST APIs and event-driven architectures. Familiarity with Azure cloud services and cloud-native automation approaches. Does this sound like your next career ...

orchestration and configuration management. Implementing security best practices across automation platforms, CI/CD pipelines, and infrastructure deployments. Integrating automation platforms with enterprise systems using APIs, webhooks, and event-driven workflows. Creating reusable templates, frameworks, and standards to improve automation consistency across teams. Producing technical documentation, operational procedures … platforms within production environments. Solid understanding of automation and CI/CD security best practices, including RBAC, secrets management, and pipeline hardening. Experience integrating systems using REST APIs and event-driven architectures. Familiarity with Azure cloud services and cloud-native automation approaches. Does this sound like your next career ...

Senior Software Engineer (SFIA 5) to join a leading Central Government defence organisation, supporting the development, maintenance, and modernisation of complex mission critical software systems within a highly secure engineering environment. SENIOR SOFTWARE ENGINEER (SFIA 5) - PORTSMOUTH - PERMANENT - UP TO £90,000 - ACTIVE DV CLEARANCE REQUIRED - 3 DAYS ONSITE … complex software estate, where reliability, performance, and long term maintainability are critical. You will be working hands on across legacy and modern systems, driving improvement in code quality, resolving high severity defects, and supporting the evolution of engineering standards across the team. The environment is highly collaborative ...

technology, offering long-term career opportunities and a collaborative, supportive culture. The role: Gathering and documenting business and technical requirements Process mapping and systems analysis API and integration documentation Data analysis and migration support Legacy system analysis and transformation projects Facilitating workshops with business and technical teams … Requirements: Experience as a Technical Business Analyst, Systems Analyst or Business Systems Analyst Good data analytic experience with Excel, and either SQL or PowerBI Strong requirements gathering and documentation skills Experience working on technology delivery projects Communicating with stakeholders at a variety of levels Agile experience (financial services ...

ability to influence cross-functional global teams. Experience working on any of the following related projects: Core Banking Transformation; Enterprise Architecture Transformation; Legacy System Modernisation How to Apply If you are a hands-on Project Manager with experience working on any of the following projects: Core Banking Transformation … Enterprise Architecture Transformation or Legacy System Modernisation, we would love to hear from you. Apply today to register your interest! Randstad Technologies is acting as an Employment Business in relation to this vacancy. ...

successful delivery of infrastructure modernisation initiatives across ICAEW's technology estate. This includes planning and executing critical changes such as cloud migration, legacy system decommissioning, platform upgrades, and core infrastructure enhancements. The role ensures modernisation projects are delivered on time, to scope and budget, with appropriate governance, risk … lead delivery of infrastructure and platform modernisation programmes, including cloud enablement, server upgrades, network modernisation, backup and disaster recovery improvements, and decommissioning of legacy systems. * Identify and track delivery risks (e.g. downtime, system dependencies, support gaps) and proactively mitigate them through coordination with technical leads and suppliers. * Work ...

financial data to support decision-making. Support forecasting and budget planning activities. Assist with data migration. Extract, manipulate and present data from legacy and modern business systems. Support wider business analysis initiatives across the organisation. Contribute to ongoing digital transformation and AI initiatives. Experience Required Strong experience using … present data effectively. Commercial awareness and strong numerical skills. Experience working with financial and operational data. Ability to learn and work with new systems quickly. Strong Microsoft Office skills. If this opportunity aligns with your experience, please apply as soon as possible. My client is looking to move quickly ...

existing platforms. Key Responsibilities Define and deliver technical architecture for IBM iSeries/AS/400 applications. Lead migration and modernisation projects involving legacy systems. Collaborate with business, technical, and third-party teams to deliver scalable solutions. Produce architecture roadmaps, solution designs, and technical documentation. Ensure solutions align … Knowledge of IBM i technologies, including RPG, CL, COBOL, or DB2 for i (desirable). Strong stakeholder management and communication skills. Experience integrating legacy and modern platforms. Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. ...

existing platforms. Key Responsibilities Define and deliver technical architecture for IBM iSeries/AS/400 applications. Lead migration and modernisation projects involving legacy systems. Collaborate with business, technical, and third-party teams to deliver scalable solutions. Produce architecture roadmaps, solution designs, and technical documentation. Ensure solutions align … Knowledge of IBM i technologies, including RPG, CL, COBOL, or DB2 for i (desirable). Strong stakeholder management and communication skills. Experience integrating legacy and modern platforms. Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. ...

Manual Tester - CESA Legacy (SFIA 5) Location: Telford Site Presence: Min 2 x monthly Rate: £500 - £525 per day inside IR35 Clearance : BPSS only Overview We are looking for an experienced Manual Test Analyst to support delivery within the CESA Legacy estate. This role is focused … minimal onboarding. Previous experience working within the CESA estate is considered essential. Key Responsibilities Perform manual functional and regression testing across the CESA Legacy application. Review requirements, change requests and defect fixes to determine appropriate test coverage. Create, maintain and execute manual test cases. Record, manage and retest ...

have product management experience and are comfortable owning and delivering roadmaps You’ve worked on backend services or platforms and understand how systems operate under the hood You’re a strong systems thinker, able to understand how different components interact and scale You’re technically minded, but always … proactive and curious, with a drive to learn and build deep domain expertise You’re comfortable working across both legacy and modern systems You’re skilled at stakeholder management and can prioritise effectively across competing needs You enjoy enabling others and are motivated by impact beyond just ...

points, partners, customer engagement, and redemption journeys. The work involves integrating and aligning data across a complex mix of legacy and modern systems to create a consistent end-to-end view of the platform. The environment includes strong engineering capability across microservices, cloud, AI, and data-driven … services, alongside complex integration across an existing estate. What you'll be doing; Design end-to-end data flows across multiple systems Translate requirements into data architecture and mapping solutions Support integration, migration, and system consolidation activity Define data pipelines and data movement (inbound/outbound) Work within microservices ...

+ Benefits This is a fantastic Technical Business Analyst (BA) opportunity to work with a UK-based technology services organisation, to support legacy system migration and process improvement for a critical IT trans click apply for full job details ...

works management system within a leading property and maintenance environment. You'll play a key role in delivering a smooth transition from a legacy system to MRI, working closely with operational teams to ensure a successful deployment and go-live. Key Responsibilities: Lead the mobilisation and deployment … communication skills. Experience within social housing, property maintenance, facilities management or construction is highly desirable. Knowledge of MRI or other CAFM/work management systems would be advantageous. ...

enables secure digital services, improves user experience, and supports long-term organisational objectives. The organisation currently operates a complex identity ecosystem comprising a legacy Student Information System (SIS), Active Directory, Microsoft Entra ID, and Auth0, with multiple identity stores and overlapping user management processes. Key Responsibilities Lead … technical assessments to understand current-state identity capabilities and challenges. Assess the existing identity architecture, including Active Directory, Microsoft Entra ID, Auth0, and legacy SIS integrations. Define a target-state identity operating model and architecture aligned to business and security requirements. Evaluate identity platform options and market offerings ...

reporting requirements such as SUS, HES, RTT, ECDS, SitRep and CSDS , alongside local performance, operational and financial reporting. EPR programmes Experience working with EPR systems such as Nervecentre, Cerner or Epic , ideally across implementation, optimisation, data migration, validation and reporting workstreams. Dashboards and insight Strong reporting and dashboarding experience … quality and governance A good understanding of data quality, IG, DSPT and NHS reporting standards, with experience cleansing, validating and reconciling data across legacy and EPR systems. Stakeholder engagement Someone who can work confidently with clinical, operational, technical and executive stakeholders, and communicate complex data ...

will also have the opportunity to upgrade legacy infrastructure an decommission legacy Domains to protect existing business capabilities, ensuring systems remain secure, compliant, and operational. We are looking for: Proven experience working on infrastructure focused projects - specifically infrastructure/legacy system upgrades, application ...

Platform built for the enterprise. Global organizations trust OutSystems to rapidly build mission-critical apps and agents, modernize legacy processes with agentic systems, and govern their entire AI portfolio across complex regulatory environments, all on one unified platform.As the future becomes agentic, our customers need ...

recruiting for a Solutions Architect to lead the design and delivery of a Salesforce CRM implementation and wider systems integration programme. This role will define how Salesforce fits within the broader technology landscape, how it integrates with existing systems, and how the architecture can enable scalability, resilience … Working with developers to shape robust, practical technical solutions. Working with product and business stakeholders to translate requirements into clear architectural decisions. Reviewing existing systems, integrations and processes to identify improvements and simplification opportunities. Advising on configuration, customisation, integration patterns and technical trade-offs. Creating clear, accessible documentation ...

Capital Markets. You will join a high‐calibre London‐based front office engineering team working on a next‐generation issuance platform replacing a legacy bookbuilding system. This is a hands‐on engineering role with a strong emphasis on Extreme Programming (XP) practices, including mob programming, test‐driven development … store, Artifact Registry and Cloud Logging, Key Management Experience with CI/CD and SDLC in regulated or enterprise environments Comfortable working on production systems requiring high availability and accuracy *Rates depend on experience and client requirements #J-18808-Ljbffr ...

enables secure digital services, improves user experience, and supports long-term organisational objectives. The organisation currently operates a complex identity ecosystem comprising a legacy Student Information System (SIS), Active Directory, Microsoft Entra ID, and Auth0, with multiple identity stores and overlapping user management processes. Key Responsibilities Lead … technical assessments to understand current-state identity capabilities and challenges. Assess the existing identity architecture, including Active Directory, Microsoft Entra ID, Auth0, and legacy SIS integrations. Define a target-state identity operating model and architecture aligned to business and security requirements. Evaluate identity platform options and market offerings ...

experienced Telephony Engineer to support a large-scale communications transformation programme within a secure environment. This role will focus on the migration of legacy telephony platforms to modern unified communications solutions, supporting the design, configuration, deployment, testing, and optimisation of enterprise voice services. You’ll play … telephony technologies including SIP, VoIP, SBCs, and cloud-based voice platforms • Supporting migration activities such as number porting, handset deployments, endpoint onboarding, and legacy system decommissioning • Troubleshooting telephony incidents, call routing issues, and integration problems • Supporting the build and configuration of gateways, trunks, routing policies, and voice services ...

Platform built for the enterprise. Global organizations trust OutSystems to rapidly build mission-critical apps and agents, modernize legacy processes with agentic systems, and govern their entire AI portfolio across complex regulatory environments, all on one unified platform.As the future becomes agentic, our customers need ...

experienced contract developer to join a small engineering team for a focused 3-month engagement. The work spans front-end development and a legacy database migration — a good mix of hands-on building and behind-the-scenes groundwork. The Project You'll be working on a platform rebuild … data migration, helping to modernise a legacy system and deliver a clean, well-engineered result ahead of a hard go-live deadline. What You'll Be Doing Building and improving front-end features using React Supporting the migration of a legacy database to PostgreSQL Integrating Clerk ...