26 to 50 of 252 Legacy Systems Jobs in the UK excluding London

Data Migration Lead

Hiring Organisation
Marc Daniels
Location
Slough, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum 20% Bonus
business continues to integrate newly acquired companies, it is looking to appoint an experienced Data Migration Lead to take ownership of finance systems data migration across the group. This is a highly influential role where you will lead the end-to-end migration of financial data from multiple legacy systems into a standardised finance platform. You will be responsible for ensuring that data is accurately extracted, cleansed, transformed, mapped, validated and loaded, while maintaining financial integrity throughout each acquisition integration. Key Responsibilities · Lead the end-to-end finance data migration strategy for acquired businesses. ...

Senior Consultant - Data & AI Architecture

Location
Manchester, England, United Kingdom
hybrid cloud transformation – You will design and implement modern hybrid data architectures (e.g. Snowflake, Redshift, BigQuery) and drive the migration of legacy systems to cloud-native solutions that unlock agility and performance.We **OPTIMISE** and **SECURE** cloud environments – You will evaluate cloud environments and provide recommendations for performance ...

Software Architect - Python & .NET.

Location
Birmingham, England, United Kingdom
delivery, providing practical technical leadership to development teams while defining a scalable, long‐term architectural approach. Define the software architecture for complex automation and systems integration projects. Design scalable, secure and maintainable applications using C#/.NET, Python and Django . Establish clear architectural standards, design principles and technology … roadmaps. Translate customer, operational and engineering requirements into practical technical solutions. Design platforms that integrate business applications, databases, automation systems, third‐party products and physical equipment. Define service boundaries, APIs, data flows, interface specifications and integration patterns. Produce architecture diagrams, technical designs, data models and supporting documentation. Design distributed ...

Site Reliability Engineer

Location
Hemel Hempstead, England, United Kingdom
digital platforms perform, scale and recover.You'll work shoulder to shoulder with engineering teams and Product Tech Leads to design, implement and support the systems that guests, owners and colleagues rely on every day. From CI/CD pipelines and observability through to database reliability, incident management and disaster … Drive database reliability across our relational and non-relational estate (RDS PostgreSQL/Aurora PostgreSQL, Oracle, MS SQL, OpenSearch), including critical legacy systems* Champion security by ensuring the right technical and business controls are in place, including supporting accreditation processes* Proactively identify performance, scalability and load improvements ...

Senior Data Migration Engineer

Location
Sheffield, England, United Kingdom
migration strategy, scope, approach and delivery plan. Assess migration complexity, risks and dependencies. Support migration cutover and transition planning. Data Discovery & Inventory Analyse source systems and identify data required for migration. Perform data discovery, profiling and inventory assessments. Understand source and target data models, metadata, relationships and dependencies. Data … Strong analytical, troubleshooting and problem-solving skills. Ability to communicate effectively with both business and technical stakeholders. Preferred Experience Migration of legacy systems to Azure or Microsoft Fabric platforms. Previous experience of working on data migration for Governance, Risk and Compliance systems in a Financial Services ...

Data Engineer

Location
Ipswich, England, United Kingdom
ownership of the technical foundations of our data platform – from ingestion and infrastructure to deployment – helping us move from legacy, on‐premise systems to a modern, cloud‐first data architecture. Working closely with the BI & Data Lead and an Analytics Engineer, you’ll be the primary architect … turning fragmented legacy data into a competitive, AI‐ready asset. If you enjoy building things from the ground up, modernising complex systems, and shaping how data is used across a business, this role offers real ownership and influence. The Role – Data Engineer Designing a greenfield data platform ...

Enterprise Discovery Architect

Location
Maidenhead, England, United Kingdom
models, support arrangements, supplier relationships and internal capabilities. Identify gaps in documentation, governance, ownership and decision-making. Evaluate the impact of legacy systems and unsupported or obsolete technologies. Assess non-functional considerations, including resilience, scalability, availability, performance, security and maintainability. Business and Capability Analysis Understand the business … environments Enterprise applications ERP, CRM and line-of-business platforms Legacy application modernisation SaaS, COTS and low-code platforms API management and systems integration Event-driven and service-oriented architecture Data platforms, analytics and business intelligence Data governance, quality, lineage and master data Artificial intelligence, machine learning ...

Development & Technical Manager

Location
Aberdeen City, Scotland, United Kingdom
Posted Yesterdayjob requisition id: R49171## ## **Job Description:**C-SAM is a UK-based software company specialising in asset management, tracking, maintenance, and operational systems for businesses operating in complex, asset-intensive environments, particularly within offshore, energy, and marine sectors. With over 25 years of industry experience … Technical Strategy & Modernisation*** Define and own the technical strategy for modernising legacy Windows applications into web-based and SaaS solutions.* Assess existing systems and determine appropriate modernisation approaches, including refactoring, re-platforming, or re-architecture.* Ensure modernisation work is delivered incrementally to minimise business and customer risk. ...

Software Engineer

Location
Portsmouth, England, United Kingdom
will be asked to shape epics and tickets yourself - always aligned with the CTO's direction Build new features, fix problems in old systems and keep everything running fast and reliable Work on a mix of greenfield projects and legacy systems - both matter and both need … your skills without arrogance Confident resilient pragmatic and results-driven Clear judgement and able to balance speed with quality Experienced in building new systems and fixing legacy Keeps calm under pressure and still delivers Raises the bar for those around them by example Working Style Execute ...

Data Transformation Lead, Content Operations

Hiring Organisation
London Stock Exchange Group
Location
Exeter, Devon, UK
Employment Type
Full-time
resilient, and aligned with business objectives. Success in this role requires an individual who is comfortable operating in ambiguity, influencing senior stakeholders, challenging legacy approaches, and driving measurable business outcomes through technology and process innovation. What You'll Be Accountable ForProduct Strategy & OwnershipDefine and own the vision, roadmap … have a track record of successfully driving change in complex organisations and bringing stakeholders on the journey. Evidence might include: Replacing legacy systems or processes. Managing organisational change and adoption. Delivering technology-enabled transformation programmes. Communication & InfluenceYou are confident engaging with senior executives, operational teams, and technical ...

Business Analyst

Hiring Organisation
Skilled Careers
Location
Knowsley, Merseyside, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £500/day
Business Analyst/Technical SME (MRI Repairs Migration) Business Analyst | Technical BA | Systems Migration | MRI Repairs SME | UAT & Data Migration Job Title: Technical Business Analyst/System Migration SME Location: Knowsley, Liverpool (Hybrid: 2–3 days on-site per week + travel to go-live contract sites) Contract Length … project team in Knowsley, Liverpool . The team is currently executing an in-flight, multi-stream migration project transitioning legacy housing maintenance systems over to the new MRI Repairs works management platform. This is an initial 3 to 6 month contract to cover a key vacancy, with ...

Technical Data Analyst (SQL)

Location
City of Edinburgh, Scotland, United Kingdom
Technical Data Analyst is responsible for maintaining investment data for clients. This role involves tasks such as analyzing and organizing raw data, building data systems and pipelines, conducting complex data analysis, and presenting information through data visualization techniques. Additionally, the analyst collaborates with clients and project management teams … quality and reliability. Responsibilities Utilize your analytical expertise to decipher and organize raw data, transforming it into valuable insights. Build efficient and robust data systems and pipelines, ensuring seamless data flow. Dive into complex data sets, conducting thorough analysis and delivering insightful reports on outcomes. Showcase your findings using ...

Head of Delivery - Lending Value Stream

Location
Newcastle upon Tyne, England, United Kingdom
Residential Mortgages and Commercial Lending value streams. We are looking for a hands-on,accountable leader who has walked the walk, delivered complex systems in production, and can walk into anExCo or Board room and inspire total confidence. You will lead multidisciplinary teams-spanning Delivery Managers, Architects, Software Engineers … andSDETs - balancing execution of our immediate business roadmap with a major strategic evolution: migratingour core lending engine off legacy systems onto a modern, cloud-native architecture (Thought Machine) overthe next 24 months. Our delivery model is shifting. As we execute our core architecture migration, our software ...

Software Engineering Manager

Hiring Organisation
Consortia
Location
Bristol, UK
Employment Type
Full-time
shaping greenfield and brownfield development initiatives, driving the shift to a modern DevOps culture, supporting major cloud migrations, and transforming legacy systems to meet future business needs. As a key member of the senior leadership team, the Software Engineering Manager will also mentor teams through change … champion DevOps culture across teams in transition. Manage both greenfield cloud-native projects and existing legacy platform enhancements. Guide the migration of systems and services into Microsoft Azure using modern design principles. Support architectural decisions around microservices, scalability, and maintainability. Act as a technical mentor to engineers ...

Technical Data SME (SQL)

Location
City of Edinburgh, Scotland, United Kingdom
responsible for the quality, integrity and reliability of the client reporting and investment data delivered to clients. This role involves designing and overseeing data systems and pipelines, leading complex data analysis, and presenting insights through advanced data visualisation techniques. The SME collaborates with clients, project management and architecture teams … matter expert for investment data, providing authoritative guidance on data structures, sourcing, transformation logic and reporting outputs. Design, build and optimise efficient, scalable data systems and pipelines, ensuring seamless data flow at volume. Lead deep-dive analysis of complex data sets and root cause investigations, delivering clear recommendations ...

C360/MDM Developer

Location
Livingston, Scotland, United Kingdom
support ongoing master data management (MDM) modernization activities across enterprise systems. Key Responsibilities: Design, plan, and execute data migration strategies from legacy systems to Informatica MDM/IDMC C360 environments. Implement scalable and secure AWS infrastructure to host and support MDM workloads and supporting components. Collaborate with ...

C360/MDM Developer

Location
Dunfermline, Scotland, United Kingdom
support ongoing master data management (MDM) modernization activities across enterprise systems. Key Responsibilities: Design, plan, and execute data migration strategies from legacy systems to Informatica MDM/IDMC C360 environments. Implement scalable and secure AWS infrastructure to host and support MDM workloads and supporting components. Collaborate with ...

C360/MDM Developer

Location
City of Edinburgh, Scotland, United Kingdom
support ongoing master data management (MDM) modernization activities across enterprise systems. Key Responsibilities: Design, plan, and execute data migration strategies from legacy systems to Informatica MDM/IDMC C360 environments. Implement scalable and secure AWS infrastructure to host and support MDM workloads and supporting components. Collaborate with ...

Senior Next.js Developer

Hiring Organisation
scrumconnect ltd
Location
Swansea, West Glamorgan, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
BPSS required, with eligibility and willingness to obtain SC clearance Desirable Experience with Ruby on Rails , particularly supporting migration, maintenance or integration with Legacy Front End estates Experience integrating with cross … government platforms such as GOV.UK One Login, GOV.UK Pay, GOV.UK Notify or digital wallets Experience supporting large-scale transformation away from Legacy systems, including older Java, AIX, Oracle or Mainframe environments Familiarity with AWS serverless patterns, Infrastructure as Code and proactive observability/monitoring Why Join Scrumconnect ...

Senior AI Software Engineer (Azure) - Cardiff

Location
Cardiff, Wales, United Kingdom
pick up new domains quickly and often. * A multi-agent case-handling assistant for a public sector client, retrieving from several legacy systems of record, with full audit trails and human-in-the-loop approval on every outbound decision.* A document-intelligence pipeline for a utilities client … delivery decisions when working in regulated client environments.* Mentor and pair with less experienced colleagues.Engineering* Build and deploy agentic AI applications and multi-agent systems on Azure using Microsoft Foundry (formerly Azure AI Foundry) and the Azure AI Services portfolio, including Azure OpenAI, Azure AI Search and Azure ...

Senior Java Developer

Hiring Organisation
Halian Technology Limited
Location
Bracknell, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
trusted technology partner to major NHS Trusts , with its platform now widely used by clinicians across the UK. Replacing outdated legacy systems with intuitive, user-centric tools, they are improving how healthcare teams operate and ultimately enhancing patient outcomes. With multiple industry awards , major contracts secured … platform and wider engineering function. Youll join a high-performing team of 20+ engineers , working on a mix of greenfield and evolving systems , contributing across a full-stack, microservices architecture . This is more than just a coding role its an opportunity to build technology that directly improves lives ...

Senior Software Engineer - Rock Physics Applications

Hiring Organisation
Halliburton
Location
Abingdon, Oxfordshire, UK
Employment Type
Full-time
desktop and cloud applications using modern software engineering practices (design patterns, SOLID principles, automated testing, continuous integration/delivery). Modernize legacy systems — Lead migration of mature C/C++ codebases to modern languages, runtimes, and UI/UX frameworks while preserving scientific accuracy and performance. Leverage … control (Git), and code review workflows. Hands-on CI/CD experience — building, configuring, or maintaining automated build and deployment pipelines. Experience modernizing legacy software — migrating codebases from older languages or frameworks to current platforms, including UI/UX modernization. Self-motivated and collaborative; thrives in a team ...

Senior Enterprise Architect

Hiring Organisation
Hackajob Ltd
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
roadmaps and drive implementation and adoption. Youll operate in a large, complex environment spanning legacy technologies from multiple eras, ensuring business-critical systems remain stable while new, modern components, built with open architecture, APIs and microservices, data/ML capabilities, and cloud where appropriate are introduced progressively … generous employer contribution. In this role youll: Build a thorough understanding of existing and target business functions, processes and assets Understand how current systems/components enable those capabilities, with particular focus on problem areas Partner with Business Architects to translate target capabilities into functional components and clear functional ...

Solutions Architect - HYBRID / REMOTE - 11852SJR

Hiring Organisation
Proactive Appointments
Location
Guildford, Surrey, UK
Employment Type
Full-time
Provide architectural assurance, risk management and technical leadership. Influence senior stakeholders and communicate complex technical decisions effectively. Support technology strategy, platform modernisation and legacy system retirement. Lead technology evaluations, RFI/RFP processes and supplier assurance. Mentor and provide technical leadership to other architects. Key experience: Senior-level ...

Mid-Level Data Engineer (Python/ AWS)

Location
Belfast, Northern Ireland, United Kingdom
engineering and technology solutions for over 20 years, trusted by global brands to solve complex challenges and drive innovation. From modernising legacy systems to building cutting-edge applications, we help our clients navigate an ever-changing digital landscape with confidence and agility. We’re proud ...