351 to 375 of 487 Legacy Systems Jobs in the UK

Develop a deep understanding of the business context and the systems that make up the platform, and use that insight to build and evolve secure, scalable, and resilient services. Work closely with fellow team members - including SREs, QA leads, and automation engineers - to ensure platform reliability and maturity. Work closely with delivery leads across delivery teams to define and … teams by removing friction, enabling flow, and providing architectural clarity. Enhance developer experience through better tooling, CI/CD pipelines, and streamlined processes. Modernise and stabilise legacy systems that are critical to the business. Lead initiatives around authentication, observability, monitoring, and infrastructure as code (Terraform). Drive standardisation across backend services and APIs to improve consistency and More ❯

with attention to detail and a commitment to thorough documentation. Experience with IaaS/PaaS/SaaS hosting (preferably Azure), including the consolidation and modernisation of legacy systems to fit cloud environments. Relevant certifications in support and architecture. Robust networking background, with experience in managing multiple sites from firewalls to edge switches (Cisco Meraki), and familiarity with … Responsible for leading a team of IT professionals, providing guidance and support to ensure that all projects are completed on time and to the highest standards Support existing internal systems and services while simultaneously leading the development and implementation of new infrastructure projects, solutions, and platforms across both on-premises and cloud environments Proactively identify areas for improvement and More ❯

teams to build features that delight users. Are comfortable mentoring others and helping set technical direction for projects. Bonus points if you0ve worked on fintech products or complex transactional systems . Why Join Penfold At Penfold, were on a mission to help everyone save enough to be comfortable in later life . Were tackling one of society biggest challenges … for their future by making pension saving easy, accessible and engaging. Our vision How we help everyone adopt healthy saving habits Weve done away with the legacy systems and processes that old-school providers are built on, starting from scratch with our purpose-built pension platform which: Brings clarity and confidence about pensions Creates a sense of More ❯

. Responsibilities: Design robust integration solutions across commercial, HR, and data platforms within a complex, multi-brand retail environment Lead architectural planning for the decommissioning of legacy systems, ensuring smooth transitions to modern, scalable services Define and document integration standards, including API strategies, event schemas, and interface contracts to enable decoupled, reusable services Implement event-driven architectures … in enterprise system integration, including legacy system transformation and platform modernisation Hands-on experience with integration technologies, including Kafka (or similar event streaming platforms), Java-based backend systems, and service orchestration Strong proficiency in API design (REST/GraphQL), microservices architecture, and middleware solution Deep understanding of data flow, interface management, and end-to-end process mapping More ❯

providing support tools and services to our transaction websites. You would join us at an exciting time during an exciting programme of change and re-platforming legacy systems into the Salesforce eco system. In this role, you can expect to: · Implement new features using the right tool and technology for the job. · Work with Business Analysts to More ❯

providing support tools and services to our transaction websites. You would join us at an exciting time during an exciting programme of change and re-platforming legacy systems into the Salesforce eco system. In this role, you can expect to: Implement new features using the right tool and technology for the job. Work with Business Analysts to More ❯

ASAP Contract: 6 months (Possibility to extend) You'll be taking charge of a multi-year, global transformation project. This is a critical role in modernising a complex legacy system used globally. You’ll work closely with stakeholders across 40+ countries to drive UX and usability improvements and standardise processes across regions. Key Responsibilities: Take ownership of design More ❯

banks, insurance companies, and large financial institutions . You’ll lead strategic sales cycles, build trusted relationships, and help shape how major UK institutions modernize their legacy systems safely and efficiently. What You’ll Do Own the entire sales cycle: outbound, discovery, proposals, negotiations, and closing Build and expand relationships across UK-based banks and insurers Drive More ❯

for a major digital transformation programme. This role ensures readiness across business and technical teams, manages governance and stakeholder alignment, and oversees the successful transition from legacy systems to new services. Key Responsibilities Cutover Preparation Drive the development and sign-off of the Cutover Strategy and Cutover Design. Ensure ECC (Enterprise Command Centre) setup is completed and More ❯

for a major digital transformation programme. This role ensures readiness across business and technical teams, manages governance and stakeholder alignment, and oversees the successful transition from legacy systems to new services. Key Responsibilities Cutover Preparation Drive the development and sign-off of the Cutover Strategy and Cutover Design. Ensure ECC (Enterprise Command Centre) setup is completed and More ❯

F&O) implementation programme. The consultant will play a key role in designing, building, testing, and delivering robust data migration solutions that ensure accuracy, consistency, and integrity across legacy and target systems. Key Responsibilities Own and manage all aspects of data migration within the D365 F&O implementation. Analyse legacy data structures and design data mapping More ❯

and parking offences, manage permits and licenses, and control high-risk assets like firearms and tasers. Our goal is to build a data-driven, professionally managed organisation with robust systems and processes—poised for consistent growth and ready to seize new opportunities. We've united our legacy brands, creating a dynamic new identity that reflects our vision … software using Java and JavaScript/TypeScript . Work collaboratively within a cross-functional team to deliver core transformation projects. Contribute to the re-architecture of legacy systems into modern, maintainable platforms. Write clean, maintainable, and well-tested code. Participate in code reviews, technical discussions, and design sessions. Help identify and implement improvements to engineering processes, performance … who has: Strong hands-on coding skills in Java and JavaScript/TypeScript . Skilled in Spring Boot or Micronaut A willingness to work with and modernise complex legacy applications. Experience designing and delivering high-quality, reliable software systems. An interest in solving complex architectural challenges and contributing to technical decision-making. A collaborative mindset and enthusiasm for More ❯

and parking offences, manage permits and licenses, and control high-risk assets like firearms and tasers. Our goal is to build a data-driven, professionally managed organisation with robust systems and processes—poised for consistent growth and ready to seize new opportunities. We've united our legacy brands, creating a dynamic new identity that reflects our vision … software using Java and JavaScript/TypeScript . Work collaboratively within a cross-functional team to deliver core transformation projects. Contribute to the re-architecture of legacy systems into modern, maintainable platforms. Write clean, maintainable, and well-tested code. Participate in code reviews, technical discussions, and design sessions. Help identify and implement improvements to engineering processes, performance … who has: Strong hands-on coding skills in Java and JavaScript/TypeScript . Skilled in Spring Boot or Micronaut A willingness to work with and modernise complex legacy applications. Experience designing and delivering high-quality, reliable software systems. An interest in solving complex architectural challenges and contributing to technical decision-making. A collaborative mindset and enthusiasm for More ❯

tooling, and architecture. Take ownership of code quality within the team - reviewing pull requests, mentoring peers, and ensuring best practices are followed. Work with and improve legacy systems, ensuring they remain stable, maintainable, and aligned with evolving business needs, while contributing to the development of new features and services. Write clear, maintainable, and well-documented code that … aligns with team and organisational standards. Provide out-of-hours support, when necessary, particularly when working on critical systems that require high availability. More ❯

initiatives alongside Data Management (inclusive of data journeys, analysis, integration and migration) The Business Analyst will support the end-to-end migration of data from legacy NAS systems to a modern Data Centre infrastructure. This role involves working closely with technical teams, stakeholders, and project managers to ensure a smooth, secure, and efficient transition of data assets. More ❯

research that shape product and marketing decisions. Partner with Product, Design, Data, Engineering, and Marketing to embed the customer voice into strategy and execution. Overhaul and elevate a legacy team through hiring, mentorship, and organisational change. Establish scalable frameworks, processes, and tools to maximise research effectiveness and influence. Act as a trusted advisor to senior stakeholders, influencing decisions … change, and align stakeholders across functions. Experience partnering closely with Product, Marketing, and Design teams to deliver customer-centric outcomes. Resilient and resourceful: able to navigate legacy systems and inspire transformation. Demonstrated success managing managers and/or senior ICs within high-performing teams. Skilled in storytelling, data synthesis, and presenting clear, compelling insights to senior leadership. More ❯

research that shape product and marketing decisions. Partner with Product, Design, Data, Engineering, and Marketing to embed the customer voice into strategy and execution. Overhaul and elevate a legacy team through hiring, mentorship, and organisational change. Establish scalable frameworks, processes, and tools to maximise research effectiveness and influence. Act as a trusted advisor to senior stakeholders, influencing decisions … change, and align stakeholders across functions. Experience partnering closely with Product, Marketing, and Design teams to deliver customer-centric outcomes. Resilient and resourceful: able to navigate legacy systems and inspire transformation. Demonstrated success managing managers and/or senior ICs within high-performing teams. Skilled in storytelling, data synthesis, and presenting clear, compelling insights to senior leadership. More ❯

Ensure data migration and archiving strategies meet quality standards and MOD retention policies. . End-to-End Migration - Quality assure migration from Legacy Oracle ERP and other systems to Oracle Fusion Cloud (Financials, HCM, EPM). . Data Cleansing - Validate cleansing approach and monitor delivery of cleansing work packages. . Risk Management - Identify migration risks, propose mitigations … design, build, and execution of migration activities, including mapping sheets, transformation logic, and load monitoring (CloudBridge, FBDI, HDL). . Validation & Reconciliation - Oversee data validation between source and target systems, resolving discrepancies. . Integration & Reporting - Assure inbound/outbound flows (OIC), extraction (SFTP, OCI), and reporting alignment (BIP, BICC, FDI) with audit and traceability frameworks. . Cutover & Testing - Contribute … and BICC artefacts . Proven experience in leading data migration projects for Oracle Fusion Cloud Financial Management, HCM and EPM within a complex Legacy environment of source systems, which include Oracle and non-Oracle point systems . Proven experience of Oracle master data management products . Strong understanding of data management methodologies . Knowledge of Oracle More ❯

data.We're looking for a Junior Data Migration Engineer to join the Cardiff-based team. You'll be working fully onsite with physical hardware, legacy storage systems, connectivity and networkingThis would suit someone who wants a hands-on role, has excellent problem solving skills, thrives on finding solutions to tech challenges and want to begin a … to extracting and restoring critical information for clients.What You'll Be DoingWorking on data extraction and restoration projects for a variety of clientsSetting up and configuring restoration equipmentHandling legacy hardware, storage devices, and connectivity challengesTroubleshooting hardware and network configurationsWriting up documentation and restoration proceduresCollaborating closely with the Data … Services Manager to improve restoration processes and toolsExperience within any of the below an advantageHND or Degree in Computing (or equivalent experience)Hands-on experience with Windows and Linux systems a benefitAbility to install, configure, and troubleshoot operating systems, programs, and network servicesComfortable working with physical hardware, RAID systems, and network cablingBasic scripting knowledge (Python, Bash, VB More ❯

. We’re looking for a Junior Data Migration Engineer to join the Cardiff-based team. You’ll be working fully onsite with physical hardware, legacy storage systems, connectivity and networking. This would suit someone who wants a hands-on role, has excellent problem solving skills, thrives on finding solutions to tech challenges and want to begin … to improve restoration processes and tools Experience within any of the below an advantage HND or Degree in Computing (or equivalent experience) Hands-on experience with Windows and Linux systems a benefit Ability to install, configure, and troubleshoot operating systems, programs, and network services Comfortable working with physical hardware, RAID systems, and network cabling Basic scripting knowledge … data migration fundamentals Bonus points if you have: Experience configuring or using backup-to-tape software (TSM, BackupExec, Arcserve, etc.) Knowledge of SQL querying , tape libraries , or data storage systems If you’re technically minded, curious, and love figuring out how things work — this is a fantastic opportunity to build a unique and rewarding career in data restoration and More ❯

design, expression rules, integration objects, and data modelling. Skilled in building end-to-end business process applications, configuring workflows, implementing business rules, managing records, and integrating Appian with external systems via REST APIs, web services, and connected systems. API Development & Integration - Proficient in designing and building RESTful APIs using FastAPI, Flask, or Django REST Framework for exposing AI models … and automation services. Experience with API authentication (OAuth, JWT), rate limiting, error handling, API documentation (Swagger/OpenAPI), webhooks, and integrating disparate systems to create seamless automated workflows. Document Processing & OCR - Experience implementing intelligent document processing solutions using OCR technologies (Tesseract, Azure AI Document Intelligence, natural language processing for information extraction, document classification, and building end-to-end pipelines … and data extraction with validation rules. Robotic Process Automation (RPA) - Knowledge of RPA concepts and tools (UiPath, Automation Anywhere, Power Automate) for automating repetitive tasks, screen scraping, and Legacy system integration. Ability to assess when RPA vs. API integration vs. AI solutions are most appropriate, and experience building hybrid automation solutions combining multiple technologies. Data Engineering & Pipeline Development More ❯

design, expression rules, integration objects, and data modelling. Skilled in building end-to-end business process applications, configuring workflows, implementing business rules, managing records, and integrating Appian with external systems via REST APIs, web services, and connected systems. API Development & Integration - Proficient in designing and building RESTful APIs using FastAPI, Flask, or Django REST Framework for exposing AI models … and automation services. Experience with API authentication (OAuth, JWT), rate limiting, error handling, API documentation (Swagger/OpenAPI), webhooks, and integrating disparate systems to create seamless automated workflows. Document Processing & OCR - Experience implementing intelligent document processing solutions using OCR technologies (Tesseract, Azure AI Document Intelligence, natural language processing for information extraction, document classification, and building end-to-end pipelines … and data extraction with validation rules. Robotic Process Automation (RPA) - Knowledge of RPA concepts and tools (UiPath, Automation Anywhere, Power Automate) for automating repetitive tasks, screen scraping, and legacy system integration. Ability to assess when RPA vs. API integration vs. AI solutions are most appropriate, and experience building hybrid automation solutions combining multiple technologies. Data Engineering & Pipeline Development More ❯

design, expression rules, integration objects, and data modelling. Skilled in building end-to-end business process applications, configuring workflows, implementing business rules, managing records, and integrating Appian with external systems via REST APIs, web services, and connected systems. API Development & Integration- Proficient in designing and building RESTful APIs using FastAPI, Flask, or Django REST Framework for exposing AI models … and automation services. Experience with API authentication (OAuth, JWT), rate limiting, error handling, API documentation (Swagger/OpenAPI), webhooks, and integrating disparate systems to create seamless automated workflows. Document Processing & OCR- Experience implementing intelligent document processing solutions using OCR technologies (Tesseract, Azure AI Document Intelligence, natural language processing for information extraction, document classification, and building end-to-end pipelines … and data extraction with validation rules. Robotic Process Automation (RPA)- Knowledge of RPA concepts and tools (UiPath, Automation Anywhere, Power Automate) for automating repetitive tasks, screen scraping, and legacy system integration. Ability to assess when RPA vs. API integration vs. AI solutions are most appropriate, and experience building hybrid automation solutions combining multiple technologies. Data Engineering & Pipeline Development More ❯

design, expression rules, integration objects, and data modelling. Skilled in building end-to-end business process applications, configuring workflows, implementing business rules, managing records, and integrating Appian with external systems via REST APIs, web services, and connected systems. API Development & Integration- Proficient in designing and building RESTful APIs using FastAPI, Flask, or Django REST Framework for exposing AI models … and automation services. Experience with API authentication (OAuth, JWT), rate limiting, error handling, API documentation (Swagger/OpenAPI), webhooks, and integrating disparate systems to create seamless automated workflows. Document Processing & OCR- Experience implementing intelligent document processing solutions using OCR technologies (Tesseract, Azure AI Document Intelligence, natural language processing for information extraction, document classification, and building end-to-end pipelines … and data extraction with validation rules. Robotic Process Automation (RPA)- Knowledge of RPA concepts and tools (UiPath, Automation Anywhere, Power Automate) for automating repetitive tasks, screen scraping, and legacy system integration. Ability to assess when RPA vs. API integration vs. AI solutions are most appropriate, and experience building hybrid automation solutions combining multiple technologies. Data Engineering & Pipeline Development More ❯

Engineer with solid data engineering skills to join our client’s dynamic technology team. This is an exciting opportunity to work across both legacy and modern data systems, delivering business-critical reports and helping shape the next generation of data solutions. The Role You’ll play a key role in: Delivering enhancements to the client’s existing … on full-stack engineering with strong analytical and data capabilities, ideal for an engineer who enjoys problem-solving and working across varied technologies. Key Skills & Experience BSIS/Legacy Reporting System: Strong C# Full-Stack .NET development experience Proficient with SQL Server, SSRS, and ASP.NET Web Framework Experience with Team Foundation Server (TFS) Ability to analyse and reverse More ❯