251 to 275 of 312 Legacy Systems Jobs in the UK

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 ...

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 ...

Information Technology, Computer Science, or a related field, or equivalent professional experience Experience in supporting and developing new and legacy housing systems (or similar) Professional certifications such as Microsoft Certified: Power Platform App Maker Associate, Microsoft Certified: Power Platform Developer Associate, or similar Solid understanding of application ...

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. ...

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 ...

system conversions. The Opportunity You will take ownership of a full end-to-end software conversion programme, managing the transition from a legacy system to a new vendor solution across multiple UK Life clients and funds. The role combines technical UK Life tax expertise, stakeholder engagement and hands … client communications throughout the conversion process Manage detailed project plans, timelines, risks and dependencies Reconcile and validate outputs between legacy and new systems, ensuring accuracy and completeness Lead and coordinate a small test team (c. 3–4 people), working with offshore and onshore stakeholders Provide regular progress ...

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 ...

ensuring service levels are maintained and continually improved Lead/oversee co-ordination of system upgrades Responsible for implementing modules of the NEC Housing systems Qualifications and Experience: Must have extensive knowledge of NEC Housing both of the application itself and of the database tables Must have expertise … from the NEC Housing database May be involved in problem solving Repairs issues and/or financial reconciliation of migrated accounts from a legacy system into NEC If you are interested in this role, please send through an up-to-date CV to or apply online then ...

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 ...

Projects span systematic trading, data processing, and performance-critical applications. You will work closely with researchers, strategists, and engineers to design, implement, and maintain systems powering the firm's trading and investment strategies. Locations: London, New York, Chicago Requirements: - Excellent C++ programming ability with proven experience working on highly … distributed systems - Extensive low latency/high throughput experience - Clear expertise in at least ONE of: SOR, Connectivity, Execution, Systematic Trading, Market Data - Prior experience in algo trading, eTrading or market making McGregor Boyall is an equal opportunity employer and do not discriminate on any grounds. ...

working with a London based college who is seeking an HR data specialist to migrate HR data from their legacy system software for people into Cintra and clean up existing data within the platform. Contract Details Start date: ASAP Contract Length: 3 - 6 months Location … London (Hybrid) IR35: Outside Rate: TBC Required Experience Hands-on HR data migration experience Strong data cleansing and validation skills Previous work with HR systems (Cintra experience desirable) Experience within a college or education environment preferred Please click here to find out more about our Key Information Documents. Please ...

operating and evolving a high-scale Azure platform used by enterprise customers. This role is suited for engineers who are comfortable owning complex systems, working through ambiguity, and driving issues to resolution. You will be working on production infrastructure that matters — not proofs of concept or greenfield experiments detached … operational maturity Lead improvements to deployment workflows, observability, and platform resiliency in production environments Diagnose and resolve issues end-to-end, including legacy system constraints and cross-team dependencies Qualifications Deep expertise in Azure networking, including VNET peering, DNS, private connectivity, routing, and WAFs Strong, hands-on experience ...

testing services. Proven experience originating, qualifying, and closing customer opportunities involving n ew custom software development projects, application re-engineering, modernization, and legacy system migration projects, digital transformation initiatives , including platform transformation and technology-led process change, mobile application development projects (native or cross-platform), SaaS platform build … performance-based incentives. Opportunity to play a key role in expanding DSRC’s UK and European footprint . Work with a 50-year legacy IT services organization backed by a strong global delivery team. Location United Kingdom – Remote/Work-from-Home (WFH) *Candidates must be based ...

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 ...