76 to 100 of 324 Legacy Systems Jobs in the UK

provider to recruit an experienced Data Migration Lead. In this role, you will take ownership of migrating complex healthcare data from legacy systems into modern Electronic Health Record (EHR) platforms, such as Oracle Health (Cerner Millennium), Epic, and Meditech . Your work will directly support major, high … languages) to write queries, analyse complex data sets, and support migrations. Working knowledge of ETL tools such as Microsoft SSIS. Familiarity with major EHR systems, with a strong preference for Epic/Oracle Health/Cerner Millennium experience. Comfortable using project delivery and collaboration tools, including Jira ...

using modern engineering practices Monitor, troubleshoot, and continuously improve data infrastructure Contribute to data architecture decisions and support the modernisation of legacy systems Create clear technical documentation and maintain best practices across data engineering workflows Collaborate with developers, analysts, and business teams to deliver impactful data solutions ...

workloads into independent steps orchestrated by managed workflow services and triggered by data events. Migration & Testing Experience: Experience with safely modernizing legacy systems using parity testing and incremental routing patterns. IaC & Containerization: Hands-on experience packaging runtimes into portable containers and provisioning cloud resources using modern Infrastructure ...

world's largest financial institutions. You'll be building on a cloud-native platform with a modern technology stack, not maintaining decades of legacy systems. Move fast. We're one of the fastest-moving teams in the firm, with a startup mindset backed by JPMorgan's scale, customers ...

world\'s largest financial institutions. You\'ll be building on a cloud-native platform with a modern technology stack, not maintaining decades of legacy systems. Move fast. We\'re one of the fastest-moving teams in the firm, with a startup mindset backed by JPMorgan\'s scale, customers ...

engagements across client environments. This role focuses on shaping and delivering business and technology transformation initiatives, with particular emphasis on modernising legacy systems and services. The successful candidate will apply a user‐centred and design‐led approach across the full agile lifecycle, from Discovery through to Live … phases of delivery, from Discovery, Alpha, Beta through to Live. Facilitate and manage organisational change activities, working closely with users to embed new processes, systems and ways of working. Engage and influence senior stakeholders to build strong relationships, elicit critical information and support successful delivery outcomes. Identify opportunities ...

Technology portfolio; translate business intent into a concrete, milestone-driven execution roadmap with measurable outcomes* Develop architecture blueprints and end-to-end systems design for Generative AI and agentic workflows across diverse operational domains* Build the shared AI platform — reusable models, tooling, guardrails, evaluation frameworks, and accelerators — that reduces … prompt engineering, retrieval-augmented generation (RAG), vector database design, and evaluation methodologies. You understand how models behave in production, not just in demos.* Agentic Systems Design:Proven experience designing and deploying multi-agent architectures and orchestration frameworks (e.g., LangGraph, AutoGen, CrewAI); tool-use patterns, human-in-the-loop workflows ...

engineering role. We're looking for a Senior Backend Engineer who thrives on solving complex technical challenges at scale. You'll build the backend systems that enable AI applications to process highly sensitive financial data securely, reliably, and at enterprise scale. If your experience is primarily focused on small … applications, basic CRUD APIs, or you haven't built distributed backend systems in production, this role is unlikely to be the right fit. We're looking for engineers who enjoy designing scalable architecture, optimizing performance, and building software that operates under demanding security and reliability requirements. The Opportunity Join ...

Engineer responsible for outcomes, not layers. End-to-End Engineering Ownership Design, build, and maintain full‐stack solutions across UI, APIs, and backend systems Translate product requirements, designs, and wireframes into scalable, production‐ready systems Own features from concept → development → testing → release → monitoring Front‐End Excellence Build responsive … Engineering Design and develop scalable services and APIs Work across monolith and microservices architecture (Laravel/PHP services) Maintain and evolve legacy systems while building modern, scalable architecture Quality & Engineering Standards Own quality to production — testing is embedded, not a phase Write and maintain automated tests (unit ...

shipped production‐grade platforms: the reusable foundations, tools, infrastructure, and workflows that help other teams shift faster and more reliably Taken AI and agentic systems from prototype to production, with a strong understanding of infrastructure, authentication, and observability Delivered on high‐stakes consulting engagements across multiple language paradigms, stacks … record of understanding, assessing, and embracing new tooling and trends within the software industry Built or integrated AI/ML features into products and systems, including recommendation engines, NLP, computer vision, predictive analytics, RAG pipelines, and agents Successfully led modernisation and replatforming efforts to align legacy systems ...

invoice volume and growing fast. We're building the AI-powered revenue platform for modern finance teams, replacing fragile spreadsheets and legacy systems with software their teams love using. Cognition, incident.io, MoonPay, and 100+ other high-growth companies trust us to handle their entire revenue cycle across … public changelog. You should apply if You're a builder who wants to solve problems end-to-end: You've shipped LLM-based systems to real customers and have first-hand experience with how they fail in production. You've designed agentic systems and have informed views ...

high-performing Agile team delivering large-scale digital transformation within a critical public sector environment. This is an exciting opportunity to modernise legacy platforms, develop innovative digital services, and build scalable, cloud-native solutions that make a real impact. Rate: £450 p/d outside ir35 Duration … driven architectures and cloud-native applications. Strong understanding of DevOps, observability tools, Grafana/Kibana and software quality practices. Experience modernising legacy systems and delivering software within Agile environments. Excellent communication, collaboration and problem-solving skills. Please apply today to be considered McGregor Boyall is an equal ...

trillion on benefits every year. It’s their second-largest cost after payroll — yet the entire category is still running on legacy systems and outdated assumptions. The space is primed for transformation: despite its scale, it’s been almost completely overlooked by AI-first startups. Incumbents — including … deployment, and iteration of our next-generation benefits platform features that leverage personalization, experimentation, and AI/ML methods (e.g. agents/LLMs, recommender systems, reinforcement learning) to enhance user experience in a meaningful business domain. Contribute across the tech stack : You’ll work in React (JavaScript/TypeScript ...

intersection of AI strategy, technical consulting and presales engagement, working directly with airline customers to identify opportunities where AI can modernise legacy systems, automate operational processes and deliver measurable commercial value. Key responsibilities Act as the AI lead within presales and customer-facing engagements across the aviation ...

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 ...

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 ...

community of practice and staying current with Salesforce platform evolution Provide technical leadership across dependencies where Salesforce is integrated with multiple legacy systems, with proven ability to drive technical strategy and resolve integration challenges. Monitoring and troubleshooting: ability to implement monitoring, logging and proactive issue resolution across ...

driven integration patterns. Build custom connectors, adapters, and integration flows to connect Oracle Fusion ERP, HCM, and SCM with third-party and legacy systems. Write and maintain REST/SOAP web services, handling authentication, error handling, and payload transformations (XSLT, JSON/XML mapping). Develop data conversion ...

working closely with data leads, functional consultants, and architects to design and execute efficient ETL processes, ensuring a smooth transition from legacy systems with an emphasis on accuracy and scalability. Responsibilities Design and build ETL processes and migration solutions. Extract, transform, and cleanse data from legacy ...

Architecture to shape technical strategy and delivery plans Guide teams building and evolving AWS-native and cloud-based platforms, alongside legacy systems Set and uphold strong engineering standards across code quality, testing, CI/CD, observability and documentation Stay close to technical decisions through design reviews, architecture … Hands‐on experience using or introducing AI or ML tools within engineering teams Technical Foundations Solid understanding of cloud‐native architecture, AWS and distributed systems Proficiency in at least one modern programming language Strong grasp of system design and software engineering fundamentals Experience with Infrastructure as Code, CI/ ...

digital infrastructure provider with 100+ sites across the continent - is looking for a Data Engineer to join a major transformation programme consolidating multiple operational systems into a single target platform. You'll be at the centre of the migration workstream: building the pipelines, transformation logic, and validation frameworks that … move data from legacy systems into the new target operating platform - working closely with the Data Workstream Lead, business SMEs, and application teams. What you'll be doing: Designing and building ETL/ingestion pipelines using Microsoft Fabric (Data Factory, Pipelines, Lakehouse, Notebooks) or equivalent Azure tooling ...

technical authority, driving software engineering excellence, improving development practices, and supporting multidisciplinary teams in delivering complex, high‐assurance systems. Working closely with software engineers, systems engineers, and project teams, you will help shape software architecture, establish engineering standards, and ensure successful delivery against technical and programme objectives. … support software engineers, helping to develop technical capability and engineering excellence. Identify skills gaps, training requirements, and future capability needs. Promote collaboration across software, systems, and wider engineering teams. Software Development & Delivery Lead software architecture design and implementation for embedded systems and user applications. Drive software verification ...

your career at the intersection of technology, mathematics, and finance? Join an elite global trading firm where innovation drives everything—no legacy systems, no bureaucracy, just cutting‐edge tech and world‐class mentorship. You’ll work on greenfield projects from day one, collaborating with exceptional engineers, quants … researchers to build the systems and models shaping the future of global trading. The Role Depending on your track, you will focus on engineering high-performance systems or developing sophisticated mathematical models, all while learning how technology powers global markets. Key Responsibilities Designing and enhancing advanced trading systems ...

Mast is on a mission to make complex lending simple. The UK's specialist lending market is underserved by technology, with legacy systems that can't handle the nuance of complex income, niche products, or the broker workflows that specialist lenders rely on. We're building modern … integrations with other potential partners and on APIs Troubleshoot, debug and upgrade software Learn and understand our infra stack - Heroku + AWS Build systems to automate as much of the developer experience as possible Requirements 6+ years experience in web application design and development Strong experience with Rails, which ...

quality in line with Global Master Data Governance rules. Oversee the Extract, Transform, Load (ETL) processes, ensuring smooth data transfer from legacy systems to SAP S/4HANA. Ensure data quality and perform data cleansing activities to maintain high standards and create and maintain data mapping documents … guide the migration process. Local Application Management/Integration: Manage and integrate local applications with SAP systems, ensuring seamless data flow and system interoperability. Utilize SAP Integration Suite and other tools to connect applications, data, and users effectively. Develop and maintain integration architecture to support business processes and data ...