101 to 125 of 398 Legacy Systems Jobs in the UK

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 ❯

of the cryptocurrency ecosystem. About the role: This role sits within GSR's global Data Engineering team, where you'll contribute to the design and development of scalable data systems that support our trading and business operations. You'll work closely with stakeholders across the firm to build and maintain pipelines, manage data infrastructure, and ensure data is reliable … responsibilities may include: Build and maintain scalable, efficient ETL/ELT pipelines for both real-time and batch processing. Integrate data from APIs, streaming platforms, and legacy systems, with a focus on data quality and reliability. Design and manage data storage solutions, including databases, warehouses, and lakes. Leverage cloud-native services and distributed processing tools (e.g., Apache 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 ❯

stay up-to-date with new technologies Excellent communication and problem-solving skills Beneficial experience: Leading small development teams to deliver functionality on time Migrating large legacy systems Azure Pipelines, MSBuild, ASP.NET MVC, WCF Services WinForms/WPF Web accessibility, responsive web applications, localisation for global markets Responsibilities for Software Developer: Develop features across the full stack … our website). Keywords – Software Developer/Full Stack Developer/C# Developer/.NET Developer/Application Developer/Web Developer/Backend Developer/Frontend Developer/Systems Developer/API Engineer/C#/.NET/SQL Server/Angular/HTML/CSS/TypeScript/Web API/Azure/ASP.NET MVC/WinForms More ❯

d love to meet you. Responsibilities Customer Delivery and Configuration Configure, and deliver solutions using the Sprout.ai platform Liaise with Engineering to deliver integrations between Sprout and our customers' systems Liaise with Data Science to implement & optimise AI document-processing models, AI workflows, and automation processes related to claim management Troubleshoot and resolve technical issues related to Sprout implementations … on their claim, often in times of vulnerability. The barriers to rapid claims settlement were clear; understanding of unstructured data, complexity and volume of decision making, legacy systems and processes. Sprout.ai's patented claims automation platform solves these challenges, and has already delivered instant claims settlement on millions of insurance claims around the world. Our proprietary AI More ❯

program-level risks, dependencies, and integration points between initiatives and external teams. Technical Oversight: Maintain a strong understanding of the evolving technical landscape, including decommissioning of legacy systems and adoption of a new AWS-based data ecosystem. Essential Skills & Experience Certified SAFe Agilist (SA) or SAFe Program Consultant (SPC) with extensive, hands-on experience managing large-scale More ❯

countries, who are looking for a Senior .NET Core Developer to join their growing team. Why this role stands out: This isn't your typical "maintaining legacy systems" position. My client wants someone who can take ownership of greenfield projects from day one - starting fresh, using your initiative, and delivering complete applications. What they need from you More ❯

trading on a novel, high-performance EVM L1 High-impact role with direct influence on protocol design and capital strategy Fast-paced, collaborative culture with no legacy systems or bureaucracy Competitive compensation with significant token upside Flexible work environment with a primary office in London; relocation support available for strong candidates Ready to apply? Powered by First More ❯

Analytics (NYSE: CWAN) is transforming investment management with the industry's most comprehensive cloud-native platform for institutional investors across global public and private markets. While legacy systems create risk, inefficiency, and data fragmentation, Clearwater's single-instance, multi-tenant architecture delivers real-time data and AI-driven insights throughout the investment lifecycle. The platform eliminates information More ❯

ability to work cross-functionally. Experience in fintech or regulated environments. Certifications such as OSCP, CSSLP, or CISSP. Familiarity with compliance automation platforms (e.g., Drata). Exposure to legacy system security challenges and modernisation strategies. A true team player with a winning mentality and strong work ethic committed to continuous improvement and high performance. Adaptable, tenacious and flexible More ❯

roles, preferably within SaaS or web-based application environments. Proven success delivering digital services in fast-paced, complex technical delivery environments. Familiarity with both new and legacy systems, maintaining complex product and service portfolios. Strong planning and organising skills with an ability to prioritise and communicate trade-offs clearly. Exceptional relationship builder, able to influence at all More ❯

on their claim, often in times of vulnerability. The barriers to rapid claims settlement were clear; understanding of unstructured data, complexity and volume of decision making, legacy systems and processes. Sprout.ai's patented claims automation platform solves these challenges, and has already delivered instant claims settlement on millions of insurance claims around the world. Our proprietary AI 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 ❯

and documentation Running Jira and Agile ceremonies Working with the product manager to plan sprints and prioritize workload for team members Build and maintain robust, secure, and maintainable software systems end to end. Develop loosely coupled, layered software components ensuring they are replaceable, testable, and version-controlled with minimal impact on others. Embrace Clean Code and SOLID principles: your … testing frameworks. Solid understanding of RESTful services and API design. Strong understanding of software design principles (SOLID, DRY or Clean Code). Comfortable navigating and maintaining legacy systems when needed. Experience writing unit and integration tests using JUnit or similar frameworks. Excellent problem-solving skills and attention to detail. Experience in agile environments and working with ticketing … systems (e.g., Jira). Proficiency with Git and modern development workflows (CI/CD). Who are ClearCourse? ClearCourse is a disruptive tech company with one mission to help our customers businesses become even better As a business, were growing (900+ employees in 5 years to be exact), currently providing more than 40 software and payment solutions to More ❯

or Brighton Join a leading international eCommerce organization committed to driving innovation through AI. We are looking for a Senior Frontend Developer to lead the modernization of our core systems, utilizing React and JavaScript to enhance performance and efficiency. Your expertise will be key in transforming our technology stack and implementing AI-powered solutions. About the Role: Play a … pivotal role in transforming our technology stack and driving the adoption of AI-powered tools to enhance development workflows. Modernize critical systems and implement intelligent solutions that support business growth and efficiency. Key Responsibilities: Lead the migration of legacy systems to a modern tech stack using React, JavaScript, and cloud platforms. Design and implement AI-driven More ❯

Senior Database Developer - Liverpool - £70K – Hybrid Fed up with legacy systems that make you want to pull your hair out? Want to work somewhere that actually values your expertise? Tired of boring database work? Ready to actually make a difference with your SQL skills? We're working with a long-standing client to find their next Senior … looking for someone who thrives on technical challenges and strategic thinking: Design and maintain robust database solutions across Azure VM and cloud environments Develop and support MI and DWH systems using Azure Synapse/Sharedo and related technologies Enforce best practices in SQL development and source control methodologies Ensure data security, access control, and maintain audit compliance standards Work … seamlessly across departments to deliver and support critical production systems Skills: Strong SQL Server Management Studio, SSIS, Azure Data Factory, and Visual Studio Solid hands-on experience with Data Warehousing, SSRS, Power BI Proven track record managing secure, high-performance database environments A genuine passion for continuous learning and staying ahead of industry innovation Experience with Azure Synapse/ More ❯

seeking a Solution Architect with a strong background in retail and end to end supply chain operations. If you've led or supported ERP migrations from legacy systems and have a knack for designing robust integration solutions , we want to hear from you. This is a hands on, strategic role where your architectural vision will drive real … transformation in a fast paced retail environment. Key experience: ERP migration (legacy to modern platforms) Designing and implementing integration architectures Supply chain systems knowledge (preferred end to end) Advanced knowledge of leading architecture solutions in the industry area Strong interpersonal and collaboration skills Please apply if interest or reach out to Craig at Cathcart Technology More ❯

seeking a Solution Architect with a strong background in retail and end to end supply chain operations. If you've led or supported ERP migrations from legacy systems and have a knack for designing robust integration solutions , we want to hear from you. This is a hands on, strategic role where your architectural vision will drive real … transformation in a fast paced retail environment. Key experience: ERP migration (legacy to modern platforms) Designing and implementing integration architectures Supply chain systems knowledge (preferred end to end) Advanced knowledge of leading architecture solutions in the industry area Strong interpersonal and collaboration skills Please apply if interest or reach out to Craig at Cathcart Technology More ❯

more programming languages youre a polyglot who chooses tools pragmatically , Strong fundamentals in system design, software architecture, and data modelling , Deep experience working in complex domains such as financial systems, logistics, or workflow-heavy platforms , Hands-on experience with relational databases (PostgreSQL preferred) , Comfortable working in an event-driven, modular monolith environment , Experience with refactoring legacy systems … and implementation-focused, with strong scope for architectural input , If youre driven by complex domains, clean abstractions, and high-impact ownership, this is for you , Behind the scenes, our systems model deep commercial logic, financial rules, and real-world operations at scale , Were moving fast, redesigning our architecture for the next chapter, and hiring exceptional engineers to help us … build the future of global trade in drinks , Own the design and implementation of backend systems driving business-critical workflows, financial calculations, and operational tooling , Model domain complexity using DDD and other architectural approaches across an event-driven modular monolith , Shape and evolve our architecture as we transition from Java to Node.js/TypeScript in a modern AWS-based More ❯

programming languages - you're a polyglot who chooses tools pragmatically , Strong fundamentals in system design, software architecture, and data modelling , Deep experience working in complex domains - such as financial systems, logistics, or workflow-heavy platforms , Hands-on experience with relational databases (PostgreSQL preferred) , Comfortable working in an event-driven, modular monolith environment , Experience with refactoring legacy systems … implementation-focused, with strong scope for architectural input , If you're driven by complex domains, clean abstractions, and high-impact ownership, this is for you , Behind the scenes, our systems model deep commercial logic, financial rules, and real-world operations at scale , We're moving fast, redesigning our architecture for the next chapter, and hiring exceptional engineers to help … us build the future of global trade in drinks , Own the design and implementation of backend systems driving business-critical workflows, financial calculations, and operational tooling , Model domain complexity using DDD and other architectural approaches across an event-driven modular monolith , Shape and evolve our architecture as we transition from Java to Node.js/TypeScript in a modern AWS 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 ❯

testing strategies to ensure parity and quality. Assist in managing a hybrid Oracle/.NET environment during phased rollout. Contribute to BAU operations and the stability of the legacy system while migration activities are underway. Required Skills & Experience 5+ years of experience developing in Oracle PL/SQL, including deep knowledge of stored procedures, triggers, and packages. Proven … to work collaboratively in a cross-functional team environment. Strong problem-solving ability and attention to technical detail. Excellent communication skills, with the ability to document and explain complex systems clearly. Desirable Skills Experience working with legacy PHP systems and their integration with Oracle. Exposure to AI-assisted development tools for code analysis and migration. Familiarity More ❯

testing strategies to ensure parity and quality. Assist in managing a hybrid Oracle/.NET environment during phased rollout. Contribute to BAU operations and the stability of the legacy system while migration activities are underway. Required Skills & Experience 5+ years of experience developing in Oracle PL/SQL, including deep knowledge of stored procedures, triggers, and packages. Proven … to work collaboratively in a cross-functional team environment. Strong problem-solving ability and attention to technical detail. Excellent communication skills, with the ability to document and explain complex systems clearly. Desirable Skills Experience working with legacy PHP systems and their integration with Oracle. Exposure to AI-assisted development tools for code analysis and migration. Familiarity More ❯

successful project delivery. Responsibilities: Lead and oversee data migration strategies and approaches as the SAP Data Architect, including governance processes and reconciliation, ensuring smooth transitions from legacy systems to SAP S/4HANA. Architect comprehensive end-to-end data solutions that leverage SAP technologies, custom applications, and partner solutions, driving business transformation within the value chain tower. … or SAP Data Architect, with at least two full project lifecycles completed in an SAP environment. Strong expertise in data migration, including governance, reconciliation, and ETL processes from legacy systems. Proficiency in SAP S/4HANA and a deep understanding of SAP technologies, custom applications, and partner solutions within the value chain tower. A solid grasp of data More ❯

successful project delivery. Responsibilities: Lead and oversee data migration strategies and approaches as the SAP Data Architect, including governance processes and reconciliation, ensuring smooth transitions from legacy systems to SAP S/4HANA. Architect comprehensive end-to-end data solutions that leverage SAP technologies, custom applications, and partner solutions, driving business transformation within the value chain tower. … or SAP Data Architect, with at least two full project lifecycles completed in an SAP environment. Strong expertise in data migration, including governance, reconciliation, and ETL processes from legacy systems. Proficiency in SAP S/4HANA and a deep understanding of SAP technologies, custom applications, and partner solutions within the value chain tower. A solid grasp of data More ❯