201 to 225 of 261 Legacy Systems Jobs in the UK excluding London

undergoing a significant period of technical transformation - standardising ways of working, modernising technology stacks, building shared platforms, and breaking down legacy monolithic systems into scalable, resilient microservices aligned to a clear technical strategy. You'll be a hands-on Technical Lead, responsible for guiding one of several … ecosystem. Key technical skills and experience include: Significant experience in modern software engineering for digital products, including: Java and microservice-based architectures Event-driven systems (e.g. Kafka) Modern data stores (e.g. MongoDB) Well-structured approaches such as Hexagonal architecture OR Significant experience in modern cloud infrastructure and DevOps, including ...

August 2026 . This is a hands-on role managing a new vendor solution, overseeing testing and reconciliation between legacy and new systems, and working directly with multiple life insurance clients. The role You'll take ownership of the end-to-end delivery of a UK Life … milestones, risks and delivery timelines Managing and coordinating a test team of 3-4 people Comparing, validating and reconciling outputs from old vs new systems Acting as the primary point of contact for clients, managing expectations and issues through to go-live Liaising closely with the software vendor ...

solid full-stack experience to join a collaborative team. You'll deliver high-quality, accessible web solutions, work across legacy and modern systems, and play a key role in shaping technical direction. What you'll do Build robust, accessible, and performant web applications Develop secure server-side ...

engineering group which is currently investing in large scale plant improvements and implementing the latest manufacturing technologies has a new vacancy for a Control Systems Engineer. Working as part of the group improvement team, you will be working on integrating new technologies & upgrading legacy control systems. Candidates … various machines control system. Review the subsequent programming and modification when needed to existing control system. Assist in upgrading legacy control systems as and when required. Developing new strategies to monitor machines digitally and to optimise. Assist in developing capital project programs for new equipment and major ...

Lead engineering delivery, infrastructure, and security while partnering with Product, Risk, and Operations. • Design and implement a migration path from legacy custodial systems to vault-native structures. • Champion engineering excellence across quality, reliability, security, and operational discipline. • Build and scale a world-class engineering team with clear … leadership roles. • Proven track record of scaling engineering teams in high-growth B2B, fintech, or infrastructure-led environments. • Strong technical background in cloud-native systems, distributed architectures, and security-critical platforms. • Experience managing parallel systems and executing controlled migrations without client disruption. • Excellent communication skills and ability ...

performance, scalable database solutions. This is a hands-on role for someone who genuinely enjoys writing proper PL/SQL—not just babysitting legacy code. What You’ll Need 10+ years’ commercial experience working with Oracle PL/SQL Strong, clean, and efficient Oracle SQL & PL/… similar fast-paced environment Nice to Have (but not deal-breakers) Performance tuning and query optimisation Experience supporting or refactoring legacy Oracle systems Exposure to modern development practices and version control ...

rebuilding its entire core platform from the ground up greenfield, modern, high-impact. You'll be working directly with the CTO on mission-critical systems used across trading and structured products. What You'll Work On: Full greenfield rebuild of legacy trading systems Modern full-stack … Looking For: Strong C#/.NET engineering background Solid React.js (or modern JS with willingness to grow fast) Experience in financial services/trading systems Ownership mindset - hands-on, ideas-driven, and proactive Interview Process (Fast Turnaround) CTO Intro Live Technical Test HR (Culture & Team Fit) No visas sponsorship ...

come first. **Hybrid working – Full-time with 3 days a week onsite in Ipswich** The Role You’ll take ownership of a high-profile systems project from planning through to delivery, ensuring successful implementation, seamless integration, and strong stakeholder engagement throughout. Leading the end-to-end delivery … adoption About You You’ll bring a calm, structured approach to complex projects and thrive in collaborative, mission-driven environments. Proven experience delivering IT systems or digital transformation projects Strong stakeholder management and communication skills Experience with system integration and working with third-party vendors A pragmatic, hands ...

architecture and the engineering culture from an early stage. We’re looking for a Senior Software Developer who enjoys solving complex problems, designing scalable systems, and taking real ownership of what they build. If you want autonomy, influence, and the chance to work on meaningful technology without legacy … baggage, this role is for you. What's great about this position Work on a brand-new platform, not a rewrite or a legacy system You’ll have a real voice in technical decisions, architecture, and tooling Build cloud-first, microservices-based solutions designed to scale ...

senior, customer-facing role.This position suits a Senior Infrastructure Architect from an IT MSP or Consultancy background, used to working across everything from legacy on-prem environments through hybrid estates to modern cloud-first platforms.What you’ll be doing As a Senior Infrastructure Architect, you will work directly … performance, and scalability Given the MSP client base, the successful Senior Infrastructure Architect must be confident modernising mixed estates while supporting business-critical legacy systems. What we’re looking for: Strong experience producing high-quality HLDs and LLDs Clear commercial awareness and comfort with design trade-offs Confident ...

around the area to help cover Leave at sites (within a 2hr travel) What we're looking for: Microsoft Windows 10, and 11 Operating Systems Deployment, configuration, and support Support Microsoft Office 2016 onwards Proven and demonstrable software and hardware troubleshooting skills, experience in a Deskside Support role Knowledge … team or independently Desirable skills/qualifications: Microsoft Windows 10 and/or 11 training, certification, and experience Legacy Operating Systems Active Directory management Understanding of Microsoft SCCM Experience of Microsoft Entra Experience of Trellix EPO and client side agents Experience of client side Wi-Fi configuration ...

Spring Boot role. It's for someone comfortable working in pre-annotation Java EE environments. Must-have experience Java EE 1.4/5.0 era systems JBoss 4.x (or WebLogic 8/9, WebSphere 5/6) EJB 2.1 (CMP/BMP, Session Beans, EJB-QL) XDoclet 1.2.x (understanding + … 2.x or XDoclet You've only used modern WildFly/EAP If you've maintained or untangled real legacy Java EE systems, I'd like to hear from you. Message me directly with specific examples of similar work. ...

large-scale records management system migration to Niche RMS and is seeking an experienced Niche Data Migration Specialist to support the transition from legacy systems. This role will focus on end-to-end data migration, including data treatment … cleansing, transformation, and validation. Key Skills & Experience: Proven experience delivering data migration into Niche RMS Experience migrating data from legacy records management systems (e.g. Mark43 or similar) Strong background in data mapping, cleansing, transformation, and reconciliation Experience handling large, sensitive datasets in regulated environments Ability to support ...

with a passion for modernisation, automation, and data integration ? Join us as an Operations Technology Product Owner and lead the transformation of our operational systems across European procurement and technology platforms. This is a unique opportunity to combine product ownership, technical leadership, and business analysis to deliver innovative solutions … that drive efficiency and future-proof our operations. 🎯 What you’ll do: Own the product vision, roadmap, and backlog for our operational systems Act as the primary business analyst, translating business needs into technical solutions Lead data integration and AI-powered automation initiatives Manage vendor and partner relationships Foster ...

About the Role We’re seeking an experienced Software Engineer to help design and deliver advanced embedded software solutions for next-generation health monitoring systems used in critical underwater rescue and survival technology. You’ll join the Biometrics & Condition Monitoring team, shaping new systems that support health … safety in demanding operational environments. Your work will play a key role in developing technology that directly supports real-world rescue operations—combining embedded systems, IoT connectivity, and innovative medical data applications. Key Responsibilities Develop and maintain embedded software for existing and new technology platforms. Contribute to all phases ...

+ Benefits As a Junior to Mid-level UI Designer (3-5 years' experience) , you'll focus primarily on UI design and design systems rather than front-end engineering. Reporting into the Lead UI/UX Designer, you'll work across multiple platforms including React, Pega, Sitecore, and Guidewire … design sprints Essential Skills & Experience 3+ years experience in a UI or UI/UX design role Strong background in UI design and design systems Advanced Figma Experience with design tokens , enterprise UI, and system thinking Proven ability to work with React-based component libraries (design-side) Strong portfolio ...

join our team in Salford, United Kingdom. As a Database Administrator, you will be responsible for managing, maintaining, and optimizing our organization's database systems to ensure data integrity, security, and performance. Ensuring seamless database operations across various environments. Rigorous performance testing and SQL script approval to maintain … administering databases. SQL Server Clustering, Replication and High Availability. Proven track record in SQL Server database performance tuning. Experience in upgrading and migrating legacy systems. Familiarity with NoSQL databases like MongoDB. About us AJ Bell is one of the fastest-growing investment platform businesses in the UK offering ...

Location: Southampton, near Southampton Airport/Eastleigh Were looking for an Automation Software Engineer to provide remote technical support for legacy control systems used by global engineering/manufacturing customers. Youll diagnose EC&I and software faults, advise on upgrades, and support a small automation team delivering … programming: Siemens TIA Portal & Step 7, Allen Bradley ControlLogix HMI experience (TIA/WinCC Flexible) Skilled in troubleshooting PLC, HMI, SCADA, and PC-based systems Customer-facing communication skills HNC/D + 5+ years experience Automation Software Engineer Salary and Benefits: £52,000 £59,500 25 days holiday ...

infrastructure and integration architecture across a large-scale programme. The role spans cloud and on-premise environments, supporting 19 integrations across five enterprise systems, and ensuring data is reliably and securely pushed into the organisation's internal data platforms. You will work closely across multiple delivery workstreams, providing architectural … technical and non-technical teams. Experience working within large enterprise or transformation programmes. Desirable: Experience with supply chain, planning, ERP, or advanced planning & scheduling systems . Experience working alongside Integration Architects in multi-system landscapes. Knowledge of aviation, manufacturing, or asset-intensive industries. Familiarity with enterprise data platforms ...

fields is highly valued. 7+ years of work experience in Machine Learning and AI Engineering roles, preferably building with LLMs and/or Agentic Systems, from development to production. Hands-on experience with LLM frameworks (e.g. langchain, langgraph, llamaindex, langsmith), AI platforms (e.g. Databricks, mlflow) and containerization solutions (e.g. … sprawling without governance, data isn't ready, and talent isn't there yet. Enterprises are still drowning in application backlogs and struggling with legacy systems. But with the right platform, AI doesn't have to add to the chaos. It can become the breakthrough that brings clarity ...

fields is highly valued. 7+ years of work experience in Machine Learning and AI Engineering roles, preferably building with LLMs and/or Agentic Systems, from development to production. Hands-on experience with LLM frameworks (e.g. langchain, langgraph, llamaindex, langsmith), AI platforms (e.g. Databricks, mlflow) and containerization solutions (e.g. … sprawling without governance, data isn't ready, and talent isn't there yet. Enterprises are still drowning in application backlogs and struggling with legacy systems. But with the right platform, AI doesn't have to add to the chaos. It can become the breakthrough that brings clarity ...

fields is highly valued. 7+ years of work experience in Machine Learning and AI Engineering roles, preferably building with LLMs and/or Agentic Systems, from development to production. Hands-on experience with LLM frameworks (e.g. langchain, langgraph, llamaindex, langsmith), AI platforms (e.g. Databricks, mlflow) and containerization solutions (e.g. … sprawling without governance, data isn't ready, and talent isn't there yet. Enterprises are still drowning in application backlogs and struggling with legacy systems. But with the right platform, AI doesn't have to add to the chaos. It can become the breakthrough that brings clarity ...

fields is highly valued. 7+ years of work experience in Machine Learning and AI Engineering roles, preferably building with LLMs and/or Agentic Systems, from development to production. Hands-on experience with LLM frameworks (e.g. langchain, langgraph, llamaindex, langsmith), AI platforms (e.g. Databricks, mlflow) and containerization solutions (e.g. … sprawling without governance, data isn't ready, and talent isn't there yet. Enterprises are still drowning in application backlogs and struggling with legacy systems. But with the right platform, AI doesn't have to add to the chaos. It can become the breakthrough that brings clarity ...

fields is highly valued. 7+ years of work experience in Machine Learning and AI Engineering roles, preferably building with LLMs and/or Agentic Systems, from development to production. Hands-on experience with LLM frameworks (e.g. langchain, langgraph, llamaindex, langsmith), AI platforms (e.g. Databricks, mlflow) and containerization solutions (e.g. … sprawling without governance, data isn't ready, and talent isn't there yet. Enterprises are still drowning in application backlogs and struggling with legacy systems. But with the right platform, AI doesn't have to add to the chaos. It can become the breakthrough that brings clarity ...

fields is highly valued. 7+ years of work experience in Machine Learning and AI Engineering roles, preferably building with LLMs and/or Agentic Systems, from development to production. Hands-on experience with LLM frameworks (e.g. langchain, langgraph, llamaindex, langsmith), AI platforms (e.g. Databricks, mlflow) and containerization solutions (e.g. … sprawling without governance, data isn't ready, and talent isn't there yet. Enterprises are still drowning in application backlogs and struggling with legacy systems. But with the right platform, AI doesn't have to add to the chaos. It can become the breakthrough that brings clarity ...