126 to 150 of 386 Legacy Systems Jobs in the UK

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 ❯

the first BC hire in the business Excellent communication and problem-solving skills Desirable : Knowledge of Business Central's finance modules Experience integrating BC with bespoke legacy systems If you're ready to take the lead on a pivotal ERP implementation and become the Business Central expert in a company undergoing digital change, we'd love to More ❯

the first BC hire in the business Excellent communication and problem-solving skills Desirable : Knowledge of Business Central's finance modules Experience integrating BC with bespoke legacy systems If you're ready to take the lead on a pivotal ERP implementation and become the Business Central expert in a company undergoing digital change, we'd love to More ❯

of secure coding practices and accessibility standards (e.g. WCAG 2.2).- Ability to work in agile, cross-functional teams and contribute to sprint planning and retrospectives.- Familiarity with legacy system integration and data migration strategies.- (Nice to have) Experience with service blueprinting and technical architecture documentation.- (Nice to have) Experience with Greenfield builds- Experience in GDS service assessment More ❯

end implementation of Hubspot. You will be defining and maintaining the roadmap alongside a cross-functional team. Responsibilities: Define the roadmap and lead the migration of legacy systems to Sitecore and HubSpot Integrate martech with CRM/ERP, analytics and identity platforms Embed A/B testing and partner with BI to gather insights to inform content More ❯

company is embarking on a greenfield NetSuite implementation to unify operations and drive scalability. Key Responsibilities Lead the end-to-end data migration process from multiple legacy systems into NetSuite. Develop and execute a robust data cleansing strategy to ensure accuracy, consistency, and completeness across all acquired entities. Define data mapping, transformation, and validation rules in collaboration More ❯

company is embarking on a greenfield NetSuite implementation to unify operations and drive scalability. Key Responsibilities Lead the end-to-end data migration process from multiple legacy systems into NetSuite. Develop and execute a robust data cleansing strategy to ensure accuracy, consistency, and completeness across all acquired entities. Define data mapping, transformation, and validation rules in collaboration More ❯

company is embarking on a greenfield NetSuite implementation to unify operations and drive scalability. Key Responsibilities Lead the end-to-end data migration process from multiple legacy systems into NetSuite. Develop and execute a robust data cleansing strategy to ensure accuracy, consistency, and completeness across all acquired entities. Define data mapping, transformation, and validation rules in collaboration 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 ❯

Data Lake Storage to manage and optimise large datasets. Collaborating with data analysts, engineers, and business stakeholders to deliver clean, reliable data. Supporting the migration of legacy systems to a modern Azure-based architecture Ensuring best practices in data governance, security, and performance tuning Requirements: Proven experience with Azure Data Services (ADF, Synapse, Data Lake) Strong hands More ❯

models with MLflow and Databricks Workflows. Building out reusable data products and feature stores for data science teams. Tuning performance across clusters, jobs, and workflows. Migrating legacy systems (SSIS/SQL) to Databricks and cloud-native tools. Collaborating with data scientists, analysts, and product teams to improve data usability and performance. KEY SKILLS AND REQUIREMENTS Advanced experience More ❯

of Participate in sprints & manage product backlog Define & build the architecture for greenfield projects Ensure that code is implemented using best practices and is well tested Maintain a legacy system until deprecation The Django Developer Must have: 2:1 Computer Science, Maths, Physics or Chemistry degree from a Red Brick UK or EU University Django Python PostreSQL An 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 ❯

Active Directory. Familiarity with ITIL, DevOps practices, and Agile frameworks such as Scrum and SAFe will be highly valued. Additionally, experience integrating Microsoft 365 solutions with legacy systems or field operations tools, along with knowledge of service management platforms like ServiceNow, would be advantageous. If this sounds like you, we'd love to hear from you! Closing More ❯

processes. Collaborate on client solutions including Office 365, Azure, Hyper-V/VMware, firewalls, and more. Scope and assist in project rollouts—from onboarding new clients to upgrading legacy systems. What We’re Looking For: Proven experience in a 2nd/3rd Line Support role within an MSP or similar environment. Proven experience leading and mentoring other engineers. More ❯

broader range of internal and external services. The job will involve working on both green-field projects, using the latest libraries and best practice, and maintaining and improving legacy systems. You will work with Senior Developers and the team lead on the development of software components, refactoring existing code and working in collaboration with other teams to build More ❯

Senior Software Engineer - Hybrid (1-2 days in HQ) - £ benefits This role will take ownership of a legacy product developed in Microsoft Access (Front End) and SQL. The successful candidate will maintain, document, and optimise the current product and then will - in due course (in partnership with a 3rd party) - design, develop, and implement reusable C# services and … based platform. Maintain and optimise the existing Access database, ensuring its reliability and efficiency. Produce comprehensive, high-level technical documentation, ensuring code is well-commented and maintainable. Rewrite legacy services to ensure they are modular and reusable in future system developments. Review and refine the SQL database, focusing on building a robust relational database model. Senior Software Engineer … the wider Microsoft technology stack/C# and .NET. Business process analysis and optimisation experience. Senior Software Engineer (Access Developer) - Skills and qualifications: Skilled in managing legacy systems while facilitating modernisation efforts. Strong documentation and communication skills. Ability to work independently and collaboratively across hybrid work environments. In return for joining, you will be provided with industry More ❯

services, and user platforms aligned with business needs • Manage relationships with internal teams and third-party IT providers ensuring high-quality service delivery • Support migration from legacy systems (particularly Citrix) to modern desktop environments • Oversee IT operations including systems availability, team performance, hardware lifecycle, and incident resolution • Liaise with UK and international office stakeholders to meet More ❯

on the South Coast is undergoing a major digital transformation. With a focus on service improvement, efficiency, and innovation, the council is investing in modernising its IT infrastructure and systems to better serve its community and strategic goals. Your new role As an IT Project Manager, you'll lead the delivery of multiple transformation initiatives, including the migration from … legacy systems to cloud-based SaaS solutions. You'll manage project planning, procurement, stakeholder engagement, and governance, while coordinating cross-functional teams and third-party suppliers. This role is key to ensuring successful implementation, data migration, testing, and rollout of new systems. What you'll need to succeed Degree or equivalent experience in IT Project Management PRINCE2 … Practitioner or PMP certification Proven track record of delivering complex IT and business change projects Strong leadership, stakeholder management, and communication skills Experience with SaaS, cloud systems, and data migration Proficiency in MS Office and MS Project Ability to manage budgets and develop business cases Understanding of local government operations (desirable) Experience in business analysis, process improvement, and change More ❯

for our non-differentiating needs) and a handful of legacy applications we are actively modernising, all integrated with each other and other areas of the business. These systems must be highly available, resilient, performant, secure, adaptable and scalable, enabling us to serve our customers at all times and respond quickly to evolving customer and business needs Find … ways of working and team maturity to deliver optimal engineering capabilities. A key objective of the role is to revisit some of our first generation microservices and remaining legacy tech in this area, as well as to extend our digital tech into our stores. To do this you will collaborate closely with key stakeholders such as Product Leads … event based, broker models). Knowledge/experience of techniques used to improve the resilience, performance, security and evolvability of complex systems. Experience of applying techniques from Lean and Systems Thinking. Desirable skills/experience you may have ECommerce or Retail experience Working with legacy systems Will have been a hands-on software engineer for part More ❯

problem spaces, extract domain models, and build ergonomic, performant and extendable engineering solutions Build, maintain and extend the central trading platform Work with both greenfield and legacy systems across multiple languages (Python, Java, C++, Typescript) Provide on-call support as needed Qualifications: A minimum of 2+ years' experience using Python (preferred) and other languages such as Java … C++, and can work comfortably in multiple programming languages A track record of working directly with end customers, scoping and delivering production systems in fast-moving and ambiguous environments Ability to dive deep into complex problems, develop intuitive understandings, spot risks early, and minimise complexity Exceptional interpersonal skills - you communicate clearly with stakeholders as well as other engineers, fostering … environment. Experience in the financial markets, especially in delta one store of value and/or FICC options trading Experience with linux-based, concurrent, high-throughput, low-latency software systems Experience with functional programming is a plus Have a Bachelors or advanced degree in Computer Science, Mathematics, Statistics, Physics, Engineering, or equivalent work experience More ❯

the design, governance, and continuous improvement of our enterprise-grade data platforms. You’ll play a key role in enabling business success through modern, compliant, and well-architected data systems—aligned to frameworks such as TOGAF or Zachman. Key Responsibilities Design and implement hybrid data architectures (cloud and on-prem) to support business strategy. Lead data governance initiatives, including … metadata management, data quality, and policy enforcement. Identify and address areas of technical debt within data systems, driving long-term sustainability and agility. Collaborate with cross-functional teams to define and enforce architectural and data standards. Provide architectural oversight during project delivery and ensure compliance with regulatory frameworks. Translate business requirements into scalable, maintainable technical solutions. Stay abreast of … such as TOGAF or Zachman. Experience implementing data governance frameworks, including data stewardship and data cataloguing. A track record of identifying and removing technical debt from legacy systems and data environments. Background in regulated industries (e.g. financial services, energy, healthcare). Excellent communication skills and ability to engage with both technical and business stakeholders. If this sounds More ❯

Are you a proactive IT professional with a passion for maintaining robust information systems? We're looking for an enthusiastic and collaborative IT & MIS Officer to support and enhance core technology across a growing Wales-based organisation. About the Role In this varied and hands-on role, you'll maintain and improve internal IT infrastructure and Management Information Systems. … Salary: 30,000 Key Responsibilities Maintain and support Microsoft Exchange Server, Windows Server, domain controllers, Active Directory, DNS, DHCP, and Group Policy Oversee and maintain SQL Server-based internal systems, including stored procedures, views, and user access Administer user accounts, security permissions, backups, and regular updates across infrastructure Generate and run business reports to meet operational and regulatory requirements … Policy SQL Server administration, including reports, stored procedures, and database maintenance Reporting tools such as SSRS or Crystal Reports Hybrid cloud/on-premise environments Troubleshooting legacy systems (e.g., ASP.NET, VB.NET) Excellent communication skills in English, both written and oral Strong attention to detail, time management, and organisational skills Analytical, proactive, and solutions-focused mindset Willingness to More ❯

Are you a proactive IT professional with a passion for maintaining robust information systems? We're looking for an enthusiastic and collaborative IT & MIS Officer to support and enhance core technology across a growing Wales-based organisation. About the Role In this varied and hands-on role, you'll maintain and improve internal IT infrastructure and Management Information Systems. … Salary: £30,000 Key Responsibilities Maintain and support Microsoft Exchange Server, Windows Server, domain controllers, Active Directory, DNS, DHCP, and Group Policy Oversee and maintain SQL Server-based internal systems, including stored procedures, views, and user access Administer user accounts, security permissions, backups, and regular updates across infrastructure Generate and run business reports to meet operational and regulatory requirements … Policy SQL Server administration, including reports, stored procedures, and database maintenance Reporting tools such as SSRS or Crystal Reports Hybrid cloud/on-premise environments Troubleshooting legacy systems (e.g., ASP.NET, VB.NET) Excellent communication skills in English, both written and oral Strong attention to detail, time management, and organisational skills Analytical, proactive, and solutions-focused mindset Willingness to More ❯