51 to 75 of 275 Legacy Systems Jobs in the UK excluding London

within our Business Services and Outsourcing Stream consists of cloud accounting specialists that support businesses with the implementation and migration from legacy systems to innovative cloud accounting. We are supported by integration partners offering systems designed to enhance productivity, operational performance, the control environment, business agility … production of timely management information. You will also be working with clients to transform their finance function through the application of technology, identifying suitable systems to help them achieve their aims. You will take responsibility for client onboarding, migration and configuration of the selected cloud accounting systems, work … closely and manage members of the team to ensure our clients' requirements are met. If you are interested in accounting systems and how they can be utilised to transform finance functions into a lean, efficient and automated engine for any business, come and join us! You'll be someone More ❯

within our Business Services and Outsourcing Stream consists of cloud accounting specialists that support businesses with the implementation and migration from legacy systems to innovative cloud accounting. We are supported by integration partners offering systems designed to enhance productivity, operational performance, the control environment, business agility … production of timely management information. You will also be working with clients to transform their finance function through the application of technology, identifying suitable systems to help them achieve their aims. You will take responsibility for client onboarding, migration and configuration of the selected cloud accounting systems, work … closely and manage members of the team to ensure our clients' requirements are met. If you are interested in accounting systems and how they can be utilised to transform finance functions into a lean, efficient and automated engine for any business, come and join us! You'll be someone More ❯

of the DealCloud platform, ensuring seamless functionality and troubleshooting issues. Support system integrations and monitor application performance. Manage data migration from legacy systems, ensuring accuracy and integrity. Collaborate with Investment Bankers, Operations, Business Support, and IT teams to tailor DealCloud to business needs. Drive a modern IT … and stakeholder management skills. Knowledge of Investment Banking best practices and regulatory requirements. Proficiency in Microsoft Office Suite and relevant software applications. Preferred: Information Systems Degree (2:1 or higher) If you’re passionate about CRM technology and want to make an impact in a leading Investment Banking firm More ❯

and innovative Mainframe Architect. This organization specializes in designing, managing, and modernizing enterprise-grade technology environments across industries, helping clients transform legacy systems and accelerate cloud adoption. Position Overview The Mainframe Architect plays a pivotal role in delivering end-to-end technical solutions for complex enterprise environments. … best practices, supporting continuous improvement and innovation. Required Skills and Qualifications 12+ years of experience in enterprise IT, with deep expertise in mainframe database systems such as IBM DB2™, IMS, Adabas, Cincom Supra, or Datacom. Strong understanding of z/OS environments and technologies including JCL, JES, RACF/ More ❯

Synapse notebooks, Databricks, etc. Experience of data modelling to describe the data landscape, entities and relationships. Experience with data migration from legacy systems to the cloud. Experience with Infrastructure as Code (IaC) particularly with Terraform. Proficient in the development of Power BI dashboards. Strong focus on documentation More ❯

Synapse notebooks, Databricks, etc. Experience of data modelling to describe the data landscape, entities and relationships. Experience with data migration from legacy systems to the cloud. Experience with Infrastructure as Code (IaC) particularly with Terraform. Proficient in the development of Power BI dashboards. Strong focus on documentation More ❯

our data. In addition to the technologies above, we also use Python, APIs, and various ETL solutions interfacing with a small number of legacy systems. Responsibilities Take ownership for delivering all asks made of you on time and to specification. Build strong relationships with key stakeholders outside the More ❯

our data. In addition to the technologies above, we also use Python, APIs, and various ETL solutions interfacing with a small number of legacy systems. Responsibilities Take ownership for delivering all asks made of you on time and to specification. Build strong relationships with key stakeholders outside the More ❯

a global financial services firm undergoing large-scale digital and cloud transformation. This role sits at the intersection of cloud-native architecture and legacy system integration , and is critical to building scalable, secure data solutions using the Azure ecosystem. You’ll work across modern and hybrid environments, lead … end-to-end data pipelines on Azure Synapse and Databricks. Work with DevOps and Architecture teams to ensure seamless integration between cloud and legacy on-prem systems. Contribute to a cloud-native data engineering framework built around a “single version of the truth.” Create and govern analytical data … and fast-paced change. Why This Role? Own critical engineering work across a modern Azure stack Influence the integration strategy between legacy systems and cloud platforms Be part of a business making bold investments in data and technology Please Apply More ❯

Dynamics 365 solutions, ensuring they meet the business requirements of our clients. Integration : Integrate Dynamics 365 with third-party applications and legacy systems, ensuring seamless data flow and interoperability across platforms. Development & Coding : Write clean, efficient code to implement features and functionality within Dynamics 365, including custom … 365. Familiarity with Dynamics 365 SDK and other tools like Power Apps, Power Automate, and Power BI. Experience integrating Dynamics 365 with other business systems (e.g., ERP, CRM, or cloud-based solutions). Understanding of Microsoft Azure, Office 365, and other cloud services that integrate with Dynamics. Strong knowledge More ❯

phase of their tech journey. What You’ll Be Doing: You’ll lead on rebuilding a high-volume pricing platform, modernising legacy systems, and supporting complex backend architecture. While the role leans heavily towards backend work, you’ll occasionally contribute to front-end projects to ensure seamless … integration across systems. Key Responsibilities: Rebuild and modernise existing systems with minimal PHP maintenance. Design and develop backend services in C# and PostgreSQL . Collaborate on front-end features using Node.js and React when needed. Support Python-based AI content projects. Apply your DevOps and Linux expertise to ensure … of projects from concept to delivery in a flat, agile team. What You’ll Need: Strong backend experience (C# preferred), with solid PostgreSQL knowledge. Systems architecture and API integration experience. Comfortable with front-end tech (Node/React) for full-stack delivery. DevOps skills: Linux command line, Docker, AWS More ❯

CRM modules, including Sales, Customer Service, and Marketing, to meet business requirements. Data Migration: Ensure smooth data migration, integrity, and testing from the legacy Dynamics 2011 system to D365 CE Online. Collaboration: Work closely with functional consultants, project managers, and the wider development team to ensure successful project More ❯

a Cutover role, you would plan, manage, and execute the cutover activities for SAP implementations to ensure a smooth transition from legacy systems to SAP solutions. As PMO, you will be responsible for the definition of project management and governance processes for the SAP implementation, while supporting More ❯

experience is essential You have experience with building APIs, microservice, and event-driven solutions You have experience integrating with greenfield and legacy systems You have experience working with NoSQL & relational databases You believe that testing and software quality is everyone's responsibility, have experience with both unit More ❯

and querying of both transactional and analytical databases A proven track record of delivering end to end solutions and supporting incremental updates to legacy systems. 5+ years of professional .NET experience: Entity framework 6 and Core ASPNET MVC and MVC Core Data manipulation and querying in a conventional More ❯

extraction of existing data and alignment with SAP S/4 HANA requirements. You will be developing and maintaining ETL scripts to transform legacy … data into the format required for SAP S/4 HANA, whilst validating and troubleshooting data quality issues, ensuring consistency between legacy systems and SAP, thus ensuring a smooth transition to SAP S/4 HANA. What you'll need to succeed * Strong proficiency in SQL, including More ❯

another architecture role. This is a chance to make a tangible impact in a truly enterprise-scale environment , working with high-traffic applications, distributed systems, and cloud-first engineering teams . You will: Define and lead the AWS cloud strategy for large-scale SaaS platforms. Architect and implement cloud … native, event-driven, microservices-based solutions . Drive modernisation initiatives , replacing legacy systems with state-of-the-art cloud solutions. Work closely with engineering teams, guiding them on best practices in .NET, AWS, and cloud security . Influence technical decision-making at the highest levels while remaining … DevOps, and Infrastructure as Code (Terraform, CloudFormation) . ? A collaborative, pragmatic approach , comfortable influencing both engineers and senior stakeholders. ? Experience in large-scale distributed systems and enterprise environments. Why Join? Exceptional package Up to £100K base + 15-30% bonus + up to £10K car allowance. True hybrid working More ❯

your role. This is an exciting time to join the team as you will be involved in developing and re-architecting legacy systems using cutting-edge technologies and driving the business into the Big Data era. Job responsibilities Executes standard software solutions, design, development, and technical troubleshooting … Tests with Flexible/Open Source Frameworks using a Test Driven Development approach Designs, develops, codes, and troubleshoots with consideration of upstream and downstream systems and technical implications Applies knowledge of tools within the Software Development Life Cycle toolchain to improve the value realized by automation Applies technical troubleshooting … making in service of secure, stable application development Learns and applies system processes, methodologies, and skills for the development of secure, stable code and systems Participates in regular standups and code reviews Adds to team culture of diversity, equity, inclusion, and respect Required qualifications, capabilities, and skills Formal training More ❯

Provide accurate progress reports to clients and internal stakeholders. Oversee user testing, issue management, and prioritization. Ensure smooth data migration from legacy systems to target solutions. Manage scope, risks, and changes, ensuring alignment with the agreed solution and business case. Collaborate with internal teams, mentor junior members … and drive process improvements. Qualifications: Strong experience in Project Management, particularly in Agile environments. Knowledge of front, middle and back office Background in Trading Systems Proven ability to manage complex projects and deliver high-quality results. Excellent communication and stakeholder management skills. Experience with data migration and user testing. More ❯

the company’s hydrogen production and sales operations. This role is instrumental in advancing the digital transformation agenda by integrating isolated legacy systems, deploying new digital tools, and ensuring full compliance with evolving regulatory frameworks. The ideal candidate will combine technical acumen with excellent programme management skills … custom web-based production planning tool Carbon, pricing, and scheduling data from electricity providers Data from hydrogen production plant PLCs Logistics partner transport management systems (TMS) Invoicing and financial processes through Microsoft Dynamics Core Objectives: Ensure compliance with UK regulatory and pricing mechanisms, including the Low Carbon Hydrogen Standard … Sound financial and budgeting capabilities Effective multitasking and problem-solving abilities under pressure Proficiency in project management tools (e.g. Microsoft Project) Experience integrating diverse systems and technologies Knowledge of Python is a plus Familiarity with UK low-carbon certification schemes (LCHS, RTFC) is advantageous More ❯

requirements. The Project Manager will work closely with technical teams, business stakeholders, and external partners to drive the transformation from legacy data systems to a cloud-based SAP Data Sphere environment. Key Responsibilities: Develop detailed project plans, timelines, and resource allocation for the SAP Data Sphere modernization … goals. Stay up to date with industry trends, emerging technologies, and SAP Data Sphere capabilities. Required Qualifications: Bachelor's degree in Computer Science, Information Systems, Business Administration, or a related field. Master's degree preferred. Minimum 7-10 years of experience in project management, with a focus on data … requirements. The Project Manager will work closely with technical teams, business stakeholders, and external partners to drive the transformation from legacy data systems to a cloud-based SAP Data Sphere environment. Key Responsibilities: Develop detailed project plans, timelines, and resource allocation for the SAP Data Sphere modernization More ❯

collaborative and innovative environment, supporting the FX Options Trading business. The team focuses on developing cutting-edge solutions while transitioning from legacy systems, and this is an exciting opportunity to work on high-impact projects in a fast-paced front office environment . Key Responsibilities: Develop, deploy … closely with brokers, external clients, and business partners to expand and improve electronic offerings. Ensure system integration with upstream trade execution platforms and enhance systems to meet regulatory requirements (MiFID II, UMR, IMM). Liaise with teams across Trading, Sales, Market Risk, and Operations to gather requirements and implement More ❯

University's IT landscape, ensuring alignment with institutional goals and objectives. The Enterprise Architect will lead the review of the existing on-premise legacy estate, recommend optimal future-state architectures, and develop comprehensive roadmaps for migration and modernization. This position requires a deep understanding of enterprise architecture principles … standards, and principles, ensuring alignment with institutional strategic goals. Roadmap Development: Lead the assessment of the current IT landscape (on-premise legacy systems) and develop comprehensive roadmaps for future-state architectures, including cloud migration (Azure), application modernization (CRM/ERP), infrastructure upgrades, and security enhancements. Technology Leadership … unique challenges and opportunities within a higher education environment to develop effective and relevant architectural solutions. Qualifications: Bachelor's degree in Computer Science, Information Systems, or a related field; Master's degree preferred. Extensive experience (typically 10+ years) in IT, with a focus on enterprise architecture. Proven experience in More ❯

for someone who enjoys setting standards, mentoring others, and leading from the front. Why Join? Work exclusively on Greenfield projects-no legacy systems Influence architectural and technical decisions from day one Join a team that values clean code, modern engineering practices, and continuous improvement Hybrid working … Functions, Service Bus, DevOps) Docker and containerisation CI/CD pipelines and Git-based workflows What We're Looking For: Extensive experience developing backend systems in C# and .NET Core Strong understanding of microservices and distributed system design Hands-on experience with Azure cloud services in a production environment More ❯

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 … 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 More ❯