51 to 75 of 257 Legacy Systems Jobs in the UK excluding London

this role are defined below: You will Define, refine and implement integration standards in support of SSEN Transmission business services. Lead a team to Integrate and configure various software systems to work together, ensuring data is properly exchanged and utilized. Collaborate with IT and development teams to ensure integrations meet technical and business requirements. Ensure that the solutions are … aligned with data governance policies, compliance requirements, and best practices for cloud architecture (working closely with our Cloud Engineering team). Perform analyses of varied source and target systems and their data models as well as the data contained therein to facilitate effective data extraction, data transformation, and data loading from legacy systems to go forward … over £20 billion in homegrown energy, with £20 billion more in the pipeline. Our IT division powers growth across all SSE business areas by making sure we have the systems, software and security needed to take the lead in a low carbon world. They provide expertise, advice and day-to-day support in emerging technologies, data and analytics, cyber More ❯

a growing Software Consultancy/MSP. As a Senior Developer/Consultant you will work with a long established client to help them modernise and transform legacy systems to modern microservices, cloud based solutions to support business growth. You'll collaborate with the client to understand their business needs and take a lead role in developing and … three times per month. About you: You are an experienced Software Developer/Consultant with strong C# .Net Core skills You have experience with API development, microservices, Cloud based systems (AWS, Azure or GCP) You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures You have excellent communication and collaboration skills and are More ❯

a growing Software Consultancy/MSP. As a Senior Developer/Consultant you will work with a long established client to help them modernise and transform legacy systems to modern microservices, cloud based solutions to support business growth. You'll collaborate with the client to understand their business needs and take a lead role in developing and … three times per month. About you: You are an experienced Software Developer/Consultant with strong C# .Net Core skills You have experience with API development, microservices, Cloud based systems (AWS, Azure or GCP) You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures You have excellent communication and collaboration skills and are More ❯

for patients and healthcare professionals. Why This Role Now? EU Expansion: Harmonise architecture across jurisdictions with varying compliance, data residency, and operational models. Platform Unification: Consolidate legacy systems into a modular, reusable platform architecture. Digital Acceleration: Enable rapid product development without compromising interoperability, governance, or safety. Cross-Functional Collaboration: Act as a unifying technical voice across Product … to articulate a future-state architecture aligned with business strategy. Principles-led Design: Grounded in sound architectural principles, not just trends. System Thinker: Views architecture as a system-of-systems — from infrastructure to UX. Pragmatic Execution: Balances scalability with lean governance; avoids overengineering. Strong Collaborator: Influences across disciplines and senior stakeholders. Regulatory Awareness: Experience designing within regulated environments (e.g. More ❯

office, flexible working hours The client are looking for an experienced .Net Developer to join the team and hit the ground running on the migration of legacy systems into the web, this is just 1 of a range of greenfield projects you will have to work on, their client base spans across multi-nationals and smaller UK … the .Net tech stack Solid experience with ASP.NET Core Must be comfortable working with REST API's Experience working with SQL/SQL Server Experience working with version control systems e.g Git Desirables Experience with JavaScript frameworks e.g ReactJS and AngularJS Experience with Winforms Working knowledge of NodeJS Azure DevOps What they're offering Salary More ❯

and Access Management (IdAM), and overall access governance.This role will collaborate closely with cyber security, engineering, and business stakeholders, ensuring the delivery of secure, modern platforms to replace legacy systems. Candidates based in the UK, able to work in a hybrid model (two days per week in either our London or Nuneaton office), are strongly preferred. The Role … new store and enterprise features. Technical Execution Ensure agile delivery of high-quality, secure solutions using Scrum, SAFe, or other scaled agile frameworks. Guide transitions from legacy systems to secure modern platforms with minimal disruption. Monitor and support post-implementation phases, addressing access issues, incidents, or escalations. Initial Objectives (First 3 Months) Establish and lead a comprehensive More ❯

including travel to London once a month) Salary: £60,000 - £70,000 Network IT are looking for an exceptional Solutions Architect who come from a technical background of applications, systems, and software development. This individual will utilise their experience and technical knowledge of the above in conjunction with their fantastic stakeholder management and wider strategic expertise. This role currently … with the expectation that you travel to their Central London office once a month (expensed) . Role Overview Our client is undertaking a significant application replacement programme (over 250 systems, fluctuating in scale) to ensure the application environment which is critical to how they operate is maintained and is utilised to the highest standards. The successful candidate in this … Design Authority)) in environments with competent experience supporting high-code, low-code and COTS (Commercial Off The Shelf) products/systems. Key Responsibilities Design and govern technical architecture across systems and cloud platforms Maintain alignment with the organisations technology roadmap, working alongside a second Solution Architect Collaborate with stakeholders to understand business goals, product needs, and technical implications Translate More ❯

including travel to London once a month) Salary: £60,000 - £70,000 Network IT are looking for an exceptional Solutions Architect who come from a technical background of applications, systems, and software development. This individual will utilise their experience and technical knowledge of the above in conjunction with their fantastic stakeholder management and wider strategic expertise. This role currently … with the expectation that you travel to their Central London office once a month (expensed) . Role Overview Our client is undertaking a significant application replacement programme (over 250 systems, fluctuating in scale) to ensure the application environment which is critical to how they operate is maintained and is utilised to the highest standards. The successful candidate in this … Design Authority)) in environments with competent experience supporting high-code, low-code and COTS (Commercial Off The Shelf) products/systems. Key Responsibilities Design and govern technical architecture across systems and cloud platforms Maintain alignment with the organisation’s technology roadmap, working alongside a second Solution Architect Collaborate with stakeholders to understand business goals, product needs, and technical implications More ❯

and validate the processes that will be used with the new system Data migration: Identifying, cleansing and validating the data which we will need to extract from our legacy system for migration into the new system and ensuring the data is extracted and manipulated into the new format Proactively identifying and managing project risks and issues, ensuring minimal More ❯

and establish a modern, scalable, and secure technology platform that supports their long-term goal. This role will be instrumental in managing the transition away from legacy systems, introducing new platforms, and shaping the future direction of IT across the organisation. This role will require 5 days per week in the Redhill office. * Salary … technology, operations, and strategic business objectives. * Define and deliver the technology strategy to support modernisation and growth * Lead the phased migration from legacy platforms .NET to modern systems * Introduce best practices across architecture, integration, and security * Oversee end-to-end delivery of major technology transformation initiatives * Manage cross-functional teams through complex change, including cultural and technical … Manage relationships with external vendors, consultants, and delivery partners * Foster a culture of collaboration, accountability, and continuous improvement * Guide system selection, data architecture, API strategy, cloud adoption, etc * Ensure systems are secure, well-documented, and compliant with industry standards * Drive innovation through automation, analytics, and user-focused tools * Work closely with senior leadership and operational teams to understand needs More ❯

Desirable Skills Strong knowledge of technologies used to deliver end-to-end cloud solutions. Experience with cloud data platforms (e.g., AWS, Azure, Google Cloud). Proven experience designing complex systems in secure or regulated environments. Familiar with a range of cloud programming and management tools. Experienced at delivering hybrid cloud solutions and migration of legacy systems More ❯

including travel to London once a month) Salary: £60,000 - £70,000 Network IT are looking for an exceptional Solutions Architect who come from a technical background of applications, systems, and software development. This individual will utilise their experience and technical knowledge of the above in conjunction with their fantastic stakeholder management and wider strategic expertise. This role currently … co-own the technology roadmap, influence architecture decisions, and enable scalable, secure, and well-integrated solutions across a range of services. Key Responsibilities Design and govern technical architecture across systems and cloud platforms Maintain alignment with the organisations technology roadmap, working alongside a second Solution Architect Collaborate with stakeholders to understand business goals, product needs, and technical implications Translate … solution designs Lead technical design sessions and ensure clarity in decision-making across delivery teams Champion architectural standards and best practices, including DevOps methodologies Support smooth rollout of new systems, ensuring technical architecture is embedded in delivery programmes Experience Required Strong experience designing solutions architecture across cloud and legacy systems Excellent stakeholder engagement and communication skills More ❯

Borehamwood, seeking an experienced Software Developer to join our small but growing team in progressing the development of our bespoke software, and supporting the migration of legacy systems to the new architecture. As a key member of our team the Software Developer will play a pivotal role in shaping the platform and services that support a suite … of mobile and web applications. Your responsibilities will include designing and developing robust, scalable, and secure backend systems, providing technical expertise across multiple squads as well as defining and enforcing the standards that ensure their integrity and compliance. Software Developer - Required Skills and Experience Good Knowledge of .Net Framework and .Net Core. Develop applications using C#. These are mainly More ❯

valuable tool to support our understanding of performance, to drive improvements; and also communicate our impact, to support our ambitious growth journey. Working across our full suite of internal systems the role will incorporate all aspects of the data analysis function, including data cleansing and defect management, root cause analysis and process review, data collation and manipulation. Using this … insights to team operations. - Support ad hoc projects such as reporting on property pipeline and deployment for new other business expansions - Support migration of data from legacy systems into Omniledger or others - Establish and document processes to obtain information from various data sources - Work with external IT support to ensure Omniledger data accuracy and consistency - Train members … BI Competencies Who with and your skill level? Skills & Experience - Data manipulation - Data analysis and strong attention to detail - Visualisation and presentation of data with reconciliation back to source systems to assure consistency - Problem solving and innovation - Strong business decision support through knowledge of key financial and growth drivers of the business Desirable Skills - Experience working in or with More ❯

healthcare providers. We bring together technology, data, and human-centred design to improve patient experiences, streamline clinical workflows, and enable smarter decision-making. Our work supports delivering integrated care systems, interoperable platforms, cloud-native solutions, and AI-powered tools built around user needs. The role We're looking for an Enterprise Solution Architect to join our growing team and … Contribute to business case development and procurement processes by advising on architectural trade-offs. Maintain awareness of emerging technologies and advise clients on opportunities to modernise legacy systems or adopt innovation responsibly. Champion architecture best practices and coach other team members on digital health architecture principles. Required skills and knowledge Proven expertise in enterprise or solution architecture … to technical and non-technical audiences. Strong stakeholder engagement and communication skills across clinical, business, and technical teams. Experience working on projects related to Community Diagnostic Centres, Integrated Care Systems, or Electronic Patient Records. Understanding of AI, ML, and data analytics applications in healthcare. Exposure to openEHR, IHE profiles, and OpenAPI specifications. TOGAF, BCS, or relevant architecture certification. Experience More ❯

An innovative software company is looking for a gifted Software Developer to join their growing development team. As a Software Developer, you'll help develop, maintain, and support key systems and applications, with a focus on our services platform. You'll also play a role in onboarding new customers through system migrations. Working closely with the Managing Director and … wider team, you'll contribute to delivering reliable, customer-focused solutions. Your day-to-day will involve developing and maintaining both desktop and web-based systems using languages like C# .Net, ASP.NET, SQL. You'll work with technologies such as SQL, LINQ, and WPF to build scalable solutions, support data migration from legacy systems, and ensure More ❯

An innovative software company is looking for a gifted Software Developer to join their growing development team. As a Software Developer, you'll help develop, maintain, and support key systems and applications, with a focus on our services platform. You'll also play a role in onboarding new customers through system migrations. Working closely with the Managing Director and … wider team, you'll contribute to delivering reliable, customer-focused solutions. Your day-to-day will involve developing and maintaining both desktop and web-based systems using languages like C#, ASP, SQL, WPF, and WCF. You'll work with technologies such as SQL, LINQ, and WPF to build scalable solutions, support data migration from legacy systems More ❯

An innovative software company is looking for a gifted Software Developer to join their growing development team. As a Software Developer, you'll help develop, maintain, and support key systems and applications, with a focus on our services platform. You'll also play a role in onboarding new customers through system migrations. Working closely with the Managing Director and … wider team, you'll contribute to delivering reliable, customer-focused solutions. Your day-to-day will involve developing and maintaining both desktop and web-based systems using languages like C#, ASP, SQL, WPF, and WCF. You'll work with technologies such as SQL, LINQ, and WPF to build scalable solutions, support data migration from legacy systems More ❯

An innovative software company is looking for a gifted Software Developer to join their growing development team. As a Software Developer, you'll help develop, maintain, and support key systems and applications, with a focus on our services platform. You'll also play a role in onboarding new customers through system migrations. Working closely with the Managing Director and … wider team, you'll contribute to delivering reliable, customer-focused solutions. Your day-to-day will involve developing and maintaining both desktop and web-based systems using languages like C#, ASP, SQL, WPF, and WCF. You'll work with technologies such as SQL, LINQ, and WPF to build scalable solutions, support data migration from legacy systems More ❯

myairops. This is a hands-on technical role, with around 80% of your time focused on personally delivering customer data migrations; transforming and onboarding customer data from third-party systems into the myairops platform. The remaining 20% of your time will provide technical leadership to the wider data engineering function. Youll help set and maintain standards across all migration … as part of their onboarding journey. Work with stakeholders to define, validate, and document migration requirements. Transform, map, and load customer data from third-party or legacy systems into the myairops platform. Develop and maintain onboarding scripts and tooling to support repeatable, high-quality data processing. Ensure data quality and accuracy, validating outcomes and addressing anomalies early. More ❯

in a high-impact transformation initiative that will define their future. What's in it for you? Want to work on 100% greenfield projects with no legacy systems? You've got it. Interested in collaborating with a team that values modern coding practices, standards, and innovation ? This is the place. Looking for clear opportunities to lead projects More ❯

fit right in. The Role You'll 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 and user experience. More ❯

integration, and innovation. We're looking for experienced architects with a strong technical foundation and a passion for business outcomes. If you're ready to refresh legacy systems, experiment boldly, and drive meaningful change-we want to hear from you. Join a supportive, inclusive team that values trust, growth, and shared success. About the role Work with More ❯

team has over 20 years of expertise in sustainable IT equipment management. We specialize in refurbishing and remarketing preowned technology, handling everything from 25-year-old legacy systems to cutting-edge HPE products like Aruba networking solutions. As a Manufacturing Test Engineer - Network , you'll be part of a small, agile, and adaptive engineering team driving innovation More ❯

brands, known for its strong retail roots and customer-first ethos. We're looking for a Product Owner to lead a major transformation initiative: the migration of a legacy private cloud estate to a modern Azure-based platform. This is a 12-month contract based in Slough, with 2 flexible on-site days per week (no anchor days … . Your Mission: You'll be at the heart of a strategic programme to modernise critical infrastructure. The client is currently operating on a legacy private cloud setup, including SQL Server and file servers. Your role will focus on driving the migration to Azure Cloud - improving scalability, efficiency, and resilience across the business. Key Responsibilities: Lead the Cloud … experience as a Product Owner or Product Manager in cloud transformation or infrastructure modernisation projects Strong understanding of Azure cloud services and migration strategies Familiarity with legacy systems such as SQL Server and file servers Excellent stakeholder management and facilitation skills Strong grasp of agile methodologies, particularly Scrum Experience in telecoms, retail, or digital platforms is a More ❯