176 to 200 of 272 Legacy Systems Jobs in the UK

with human expertise to make complex services accessible, scalable and radically better for everyone. The industry has long been constrained by legacy systems and slow-moving processes. They’ve rebuilt the model from first principles, with a proprietary AI-native platform at its core—designed to amplify … scale-ups or own venture and having led 30+ Engineers) with strong technical depth, high standards, and a passion for building both great systems and great teams. You care about craft, not just output—and you know how to scale both people and platforms without compromising either. The Offer ...

strong, stable presence in the manufacturing sector. As an RPG Developer, you’ll play a key role in supporting and enhancing core business systems, working closely with internal stakeholders to deliver reliable and scalable solutions. You’ll be involved in: Developing and maintaining RPG (RPG III/IV/… applications Supporting and improving IBM i (AS/400) systems Working on system integrations and modernisation projects Troubleshooting and resolving technical issues Collaborating with cross-functional teams across the business What We’re Looking For Proven experience as an RPG Developer (RPG III/IV/ILE) Strong experience ...

seeking an experienced Project Manager to lead a large-scale, multi-year transformation programme. The role will focus on replacing legacy systems with a modern, centralised platform, ensuring smooth delivery from initial requirements through to implementation and business transition.This is a high-profile role requiring strong coordination ...

Project Manager with strong knowledge of D365 F&O (Dynamics) . The successful applicant will be working on the integration of legacy systems with D365. Must have: Strong experience and knowledge of Dynamics D365 Finance & Operations modules Strong core IT PM skill set An ability to work ...

where you will have the freedom to work on bespoke platforms. This company is a digital transformation company specialising in bespoke software development, legacy system support, and enterprise applications for a diverse range of clients. In this varied role you will design, develop, and maintain cross-platform mobile ...

procurement, invoicing, and finance postings) o SAP SuccessFactors (HR payroll postings and finance reporting, where applicable) o Other third-party and legacy systems • Coordinate closely with Technical, Ariba, and SuccessFactors leads to ensure end-to-end process integrity and reconciliation ________________________________________ Governance, Quality & Compliance • Own delivery governance ...

procurement, invoicing, and finance postings) o SAP SuccessFactors (HR payroll postings and finance reporting, where applicable) o Other third-party and legacy systems • Coordinate closely with Technical, Ariba, and SuccessFactors leads to ensure end-to-end process integrity and reconciliation ________________________________________ Governance, Quality & Compliance • Own delivery governance ...

working week About the company: Our client is redefining travel through technology. In a market dominated by legacy systems and conventional thinking, they are building a category-defining platform that changes how travellers discover, upgrade and experience journeys. With Series B backing, ambitious growth targets ...

product decisions Nice to Have Experience within the utilities or energy sector Knowledge of regulatory environments (e.g. Ofgem or similar bodies) Exposure to legacy system integration or large-scale transformation programmes Apply now! Please be advised: if you haven't heard from us within 48 hours, then unfortunately ...

product decisions Nice to Have Experience within the utilities or energy sector Knowledge of regulatory environments (e.g. Ofgem or similar bodies) Exposure to legacy system integration or large-scale transformation programmes Apply now! Please be advised: if you haven't heard from us within 48 hours, then unfortunately ...

procurement, invoicing, and finance postings) o SAP SuccessFactors (HR payroll postings and finance reporting, where applicable) o Other third-party and legacy systems Coordinate closely with Technical, Ariba, and SuccessFactors leads to ensure end-to-end process integrity and reconciliation ________________________________________ Governance, Quality & Compliance Own delivery governance ...

procurement, invoicing, and finance postings) o SAP SuccessFactors (HR payroll postings and finance reporting, where applicable) o Other third-party and legacy systems Coordinate closely with Technical, Ariba, and SuccessFactors leads to ensure end-to-end process integrity and reconciliation ________________________________________ Governance, Quality & Compliance Own delivery governance ...

Engineering, Head of Payments, etc.) to position digital transformation initiatives and custom technology solutions. Identify client challenges around legacy systems, payments infrastructure modernization, platform engineering, data and AI, and cloud adoption, and position Endava’s services as the solution. Lead the development of proposals, solution positioning ...

strong hands-on experience with C# to help build and evovle their strategic applications. You'll be working on API-driven microservices and scalable systems that power real customer journeys. This is a genuine hands-on role with plenty of scope to influence technical decisions, shape how they build … features Troubleshoot across the stack and deliver pragmatic, customer-focused solutions Contribute to architectural decisions and technical discussions Support production systems and help resolve defects and performance issues Collaborate closely with engineers, product owners, and stakeholders Mentor junior developers through pairing, reviews, and knowledge sharing What we're looking ...

recruiting for a Laravel Developer to join a specialist agency in the online entertainment and gaming space. The business is actively transitioning its core systems from WordPress into Laravel, and they are looking for a permanent developer to take ownership of that evolution. This is not a maintenance role. … will work on interactive, logic heavy platforms rather than static websites You will influence architecture and technical standards You will gain exposure to systems with multiple integrations and real transactional complexity You will work in a commercially driven environment where platform performance matters You will join through a CloudScope ...

work effectively with engineers, business SMEs, and data architects. Key Responsibilities Legacy System & Reporting Analysis Analyse and document existing heritage CRM reporting systems with a focus on data structures, business logic, and reporting outputs. Discover, decompose, and document legacy reporting and MI processes (including … data analysis skills, including understanding of: Relational databases and SQL Data models and schemas ETL and reporting processes Experience analysing legacy CRM systems and complex reporting logic. Strong understanding of operational and analytical reporting, including KPIs, MI, and reconciliation. Ability to work effectively with: Data Engineers Database ...

into delivery outcomes Ensure strong governance, reporting, and continuous improvement across projects Person We Are Looking For 5+ years’ experience delivering IT or enterprise systems projects Proven track record delivering complex ERP implementations Strong experience with Microsoft Dynamics 365 or similar ERP platforms Solid understanding of finance, supply chain … Have Experience delivering large-scale ERP transformation programmes Exposure to Azure integration services or Power Platform Experience migrating from legacy ERP systems such as Sage Background in ISO-aligned or highly regulated environments Project management certifications such as PRINCE2, PMP, or Agile Additional Information This role ...

business and technology change across claims operations, with a focus on Target Operating Model design and adoption and moving away from deeply embedded legacy processes. You'll be leading transformation in a culturally sensitive environment where quality and cultural fit matter as much as experience. Key Responsibilities Lead … both strategic and operational levels Strong empathy and change management skills suited to working with long-tenured workforces transitioning from legacy systems, prioritising cultural fit and sustainable adoption over pace ...

support a nationwide telephony upgrade and decommissioning programme. The role involves on-site surveys, installation readiness assessments, decommissioning of Legacy telephony systems, and installation of new telephony solutions. This project is scheduled to commence in June and will require travel to multiple sites. Your responsibilities … Cleared Field Engineer: Conduct on-site surveys to assess existing telephony rooms, infrastructure readiness, and installation feasibility. Perform decommissioning of Legacy telephony systems and ensure racks and cabling are left safe and tidy. Install new telephony equipment, complete cabling/patching, and carry out functional testing. Capture ...

opportunity - Control Systems Engineer Are you an skilled Control System Engineer with experience in automation projects and programming PLCs and HMIs? Our client in Derby is recruiting for an experienced Control Systems Engineer to join their team. They specialise in high-quality machinery solutions for the medical industry. … will play a key part in bespoke automation projects in a manufacturing environment. As the new Control Systems Engineer, you will: Design and develop new control systems Program PLCs and HMIs (Rockwell/Mitsubishi) Work with software including Studio 5000, FactoryTalk View, GX Works2, GT Designer ...

engineer. No bloat, no politics, just PhDs and the sharpest technical minds you'll work with. You'll be building brownfield and greenfield systems that handle cutting-edge inference and infrastructure challenges at the frontier of what's possible. This is genuine engineering ownership. You'll shape core architecture … structure is flat, and you'll have the autonomy to make meaningful decisions that matter. If you've been stuck maintaining legacy systems or dealing with red tape, this is the opposite. No explaining technical decisions to non-technical stakeholders. No layers of approval. Just smart people ...

underpins Outsmart’s crowdsourcing operations – a mature, revenue-generating system that has evolved over years and continues to scale. If you enjoy owning real systems, thinking architecturally, improving legacy code thoughtfully rather than rewriting it, and being trusted to deliver without heavy supervision, this role will feel … unusually well-matched. The role As Senior Fullstack Software Engineer, you will help design, build and maintain the production systems that power Outsmart’s platform. You’ll work closely with our CTO, operating as a high-agency individual contributor with genuine ownership across backend systems, infrastructure and platform ...

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 ...

Transformation. As part of this programme, they are seeking an Oracle Project Manager to oversee the technical delivery of integrations between legacy systems and Oracle ERP click apply for full job details ...

leading technology firm in Greater London is seeking a Head of Technology to drive the transformation of legacy systems to modern cloud platforms. The ideal candidate will lead teams in developing and implementing technology strategies, engage with stakeholders, and possess a strong background in Java development ...