76 to 100 of 148 Legacy Systems Jobs in the UK excluding London

Principal Data Engineer

Hiring Organisation
Halian Technology Limited
Location
South East London, London, United Kingdom
Employment Type
Permanent
modern data platform from the ground up. Were working with a business in the middle of a high-impact data transformationmoving away from legacy constraints towards a scalable, cloud-first architecture. Theyre looking for a Principal Data Engineer to take a leading role in that journey. This isnt … skills in Python and SQL Hands-on experience with Databricks, Azure, and GCP/BigQuery Proven ability to work across both legacy systems and modern cloud environments Key Skills DevOps mindset you automate wherever possible and write clean, testable code Pragmatic approach focused on delivering value without ...

Senior Infrastructure Engineer

Hiring Organisation
Arcas Technology Ltd
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
Citrix, and cloud-hosted applications. The Role You’ll work closely with the Head of IT to lead infrastructure projects, modernise legacy systems, and drive cloud-focused improvements. The environment is a mix of on-premises and cloud, and the business is looking for someone ...

.NET Developer

Hiring Organisation
Avanti
Location
Sheffield, South Yorkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £50,000 per annum
looking to hire a .NET Developer to support ongoing growth and an increasing project pipeline. This is a hands-on role working on bespoke systems built for a range of clients , offering the opportunity to work across the full development lifecycle and make a genuine impact. THE ROLE … will be working on a range of custom-built applications , supporting existing systems while also developing new variations for incoming clients. Responsibilities include: Working on existing customer codebases Developing and adapting bespoke software solutions Contributing across full-stack development (frontend & backend) Understanding and implementing client-specific requirements Supporting testing ...

Software Engineer

Hiring Organisation
Rise Technical Recruitment
Location
Somerset, United Kingdom
Employment Type
Permanent
Salary
£38000 - £45000/annum Bonus + Hybrid + Training
used in demanding industrial environments, working with C#, WPF, front-end languages such as Vue.JS, Angular or React. You will collaborate with electrical and systems engineers, contribute to system architecture and support both new platform development and legacy product improvement. This role offers strong technical variety, career … supportive engineering culture. You should bring solid commercial experience, excellent understanding of SOLID principles, and confidence contributing to design discussions. Exposure to industrial systems or electronics is beneficial. This role is ideal for someone who enjoys autonomy: you will be given open technical problems, trusted to investigate and propose ...

Cutover Manager

Hiring Organisation
Norfolk & Suffolk Foundation NHS Trust
Location
Norwich, NR1 2DE, United Kingdom
Salary
£57528.00 to £64750.00
will be at the heart of our digital journey--responsible for planning, coordinating, and delivering the safe transition from our legacy systems to a modern, integrated EPR. You will work alongside clinical, operational, and digital leaders, guiding multidisciplinary teams through a complex and high-profile go-live. … equivalent Advanced project/programme management certification (e.g. PRINCE2 Practitioner, MSP, APM, Agile) Desirable Postgraduate qualification in EPR configuration, digital health, or clinical systems Certification in NHS-specific digital frameworks or standards (e.g. Blueprinting, What Good Looks Like) Experience Essential Significant experience leading cutover or go-live activities ...

Continuous Improvement Lead

Hiring Organisation
Hays
Location
Gloucestershire, South West, United Kingdom
Employment Type
Permanent
Salary
£60,000
continued digital and organisational development. Technology plays a critical role in enabling frontline services and improving efficiency across the organisation with ongoing investment in systems, infrastructure, and data-driven capabilities. The environment is complex and fast-paced, requiring individuals who can balance day-to-day operational demands with longer … technical teams, understanding system integrations, data flows and operational constraints, while ensuring solutions are robust, secure and scalable. Experience working with legacy systems and third-party vendors, alongside an ability to oversee testing, deployment and ongoing optimisation, will be key to success in this role. Previous experience ...

Application Developer

Hiring Organisation
IT Talent Solutions Ltd
Location
Essex, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
team supporting and enhancing large-scale enterprise applications used by global clients. If you thrive on solving complex technical challenges, modernising legacy systems, and delivering stable, high-performing solutions — this could be the role for you. You’ll play a key role in maintaining and developing critical ...

Delphi Developer

Hiring Organisation
Octad Recruitment Consultants (Octad Ltd )
Location
Wickford, Essex, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
/MS SQL Server experience. 3+ years .NET C# experience. Strong experience with complex, data-driven applications. Proven background maintaining or upgrading legacy systems. Experience with visually inherited UIs. Strong debugging, optimisation, and performance-tuning skills. Experience working within Agile, Waterfall, or hybrid SDLC environments. Familiarity with version ...

Data and Power BI Engineer

Hiring Organisation
Rise Technical Recruitment
Location
Spalding, Lincolnshire, United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum Holiday + Pension
Azure to turn complex data into clear, actionable business insight? This company is a digital transformation company specialising in bespoke software development, legacy system support, and enterprise applications for a diverse range of clients. In this role, you will design, build and maintain resilient data platforms using bronze ...

Data Scientist

Hiring Organisation
ISR Recruitment Ltd
Location
Exeter, Devon, United Kingdom
Employment Type
Permanent
Salary
GBP 55,000 Annual
making and customer facing features. Finally, you will play a central role in the transition to an Azure-native stack from Legacy systems, and this new stack will be utilising Python, Spark and Cloud computing to automate complex workflows. Applications: Please contact John here ...

Full Stack Developer

Hiring Organisation
Oscar Technology
Location
Derby, Derbyshire, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £45,000 per annum
play a key role in developing new features, building applications from the ground up, and supporting the migration of legacy systems to the latest version of .NET, including the use of containerisation. You'll also work closely with analysts and other developers to continuously improve product performance ...

Delivery Consultant - Migrations, Public Sector Professional Services - UK

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
modernization techniques. Application discovery and dependency mapping. Migration tooling (Application Migration Service, Database Migration Service, Migration Hub). Cutover planning and execution. Legacy system analysis and decommissioning. Risk mitigation and rollback strategies. AWS Transform. Preferred Qualifications Experience and technical expertise (design and implementation) in cloud computing technologies. Experience ...

HealthSet Programme Resourcing Manager

Hiring Organisation
University Hospitals Dorset NHS Foundation Trust
Location
Dorset/Somerset, BH15 2JB, United Kingdom
Salary
£49387.00 to £56515.00
generation programme will transform how care is delivered and information is recorded, shared and accessed, enabling colleagues to spend less time working around systems and more time caring. The contract with Epic was signed in March, and we are expecting the new EHR to go live in April 2028. … operationally led, supported by the expertise of our digital teams. Our teams deliver safe, compassionate care every day, but we still rely on multiple systems, separate records and paper processes. This can mean patients repeating their story and colleagues spending valuable time duplicating work or managing gaps in information. ...

Senior Software Engineer

Hiring Organisation
Rise Technical Recruitment
Location
Wellington, Somerset, United Kingdom
Employment Type
Permanent
Salary
£45000 - £60000/annum Bonus + Progression + Hybrid
shaping system architecture, driving best practice, and developing robust, maintainable solutions that are relied upon by customers worldwide. You will work closely with electrical, systems, and test engineers to deliver integrated solutions, contributing across the full lifecycle from concept and design through to delivery and long term support. Backed … software architecture and design, ensuring scalable and maintainable solutions Contribute to microservice architecture and Azure based modernisation initiatives Maintain and evolve legacy systems while planning for their future development Collaborate with multidisciplinary engineering teams in an agile environment Participate in code reviews, sprint planning, and CI/ ...

Senior Delivery Consultant - Migrations, Professional Services

Hiring Organisation
Jobleads-UK
Location
Bristol, England, United Kingdom
configuration management using CloudFormation, Chef, and Puppet. Experience in large scale migration – data centre to data centre or data centre to cloud infrastructure. Legacy system analysis and decommissioning. Risk mitigation and rollback strategies. AWS Transform. Eligibility Be a UK national and able to obtain and maintain ...

Azure Cloud Engineer

Hiring Organisation
Devonshire Hayes Recruitment Specialists Limited
Location
Watford, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
Security Engineer to design, secure, and optimise Azure environments at scale. You’ll play a key role in cloud transformation, migrating legacy systems, and driving modern data, AI, and automation capabilities. What You’ll Be Doing Design and manage Azure infrastructure (compute, storage, networking, Microsoft Fabric) Lead ...

Head of IT Applications

Hiring Organisation
Jobleads-UK
Location
Ipswich, England, United Kingdom
platforms Ensure the applications estate delivers measurable business value, driving efficiency, performance and an excellent user experience Drive the modernisation of legacy systems, championing scalable, cloud‐based and low‐code solutions Lead and develop application development, configuration and support teams to ensure high‐quality, reliable delivery Ensure ...

Software Engineer

Hiring Organisation
5V Tech
Location
City Of Bristol, England, United Kingdom
that powers the entire engineering organisation. This is a genuinely high-impact role in a greenfield environment, where you’ll help shape the build systems, developer workflows, and CI infrastructure from the ground up. What you’ll be working on: • Designing and owning Bazel rules and extensions • Scaling … tooling • Working closely with teams across ML, Runtime, Simulation, Compilers, and Hardware Why this role stands out: • Greenfield environment with no legacy systems • Huge technical variety across software, ML, infrastructure, and hardware • High ownership and visibility across the business • Opportunity to define how engineering operates ...

Senior Software Engineer

Hiring Organisation
Data Careers
Location
Fareham, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£90,000
site 3 days a week) Salary: £80,000 - £90,000 (+ benefits) Skills: Python/C++/Legacy Modernisation/Complex Systems, MOD DV Clearance We are looking to recruit a MOD DV Cleared Senior Software Engineer for a leading technology consultancy delivering complex software engineering, maintenance … software Supporting architecture changes as requirements evolve Helping modernise codebases, tooling and engineering standards The role requires someone who is comfortable working across established systems, improving existing code and supporting other engineers through mentoring, review and technical leadership. Key Responsibilities Lead hands-on software maintenance, enhancement and upgrade work ...

IT Support Engineer

Hiring Organisation
Mexa Solutions LTD
Location
Poole, Dorset, England, United Kingdom
Employment Type
Full-Time
Salary
£38,000 - £45,000 per annum
Systems Engineer £40,000 – £45,000 | Poole | 4 days onsite Some infrastructure roles are all about keeping legacy systems ticking over. This one is different. You’ll be joining a growing software business at a time of real change. Major infrastructure projects are underway. New environments ...

Systems Developer

Hiring Organisation
Erin Associates
Location
Barrow-Upon-Humber, South Humberside, North East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
Systems Developer Epicor BisTrack Scunthorpe (Hybrid working ) £60,000- £70,000+ benefits Were working with a well-established UK manufacturing and distribution business who are looking for a Systems Developer Data & Reporting with strong experience in Epicor BisTrack . This is a key role focused on maintaining, improving … modernising reporting across the business, supporting core operational areas including Sales, Logistics, Purchasing and Finance. Youll work across both legacy and evolving systems, ensuring day-to-day stability while helping to simplify and improve reporting structures over time. What youll be doing Developing, maintaining and optimising ...

Systems Developer

Hiring Organisation
Erin Associates
Location
Scunthorpe, South Humberside, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
Systems Developer – Epicor BisTrack Scunthorpe (Hybrid working ) £60,000- £70,000+ benefitsWe’re working with a well-established UK manufacturing and distribution business who are looking for a Systems Developer – Data & Reporting with strong experience in Epicor BisTrack .This is a key role focused on maintaining, improving … reporting across the business, supporting core operational areas including Sales, Logistics, Purchasing and Finance. You’ll work across both legacy and evolving systems, ensuring day-to-day stability while helping to simplify and improve reporting structures over time. What you’ll be doing Developing, maintaining and optimising ...

IBM i Developer

Hiring Organisation
SF Partners Admin
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent
Salary
£65,000
Developer with experience maintaining and enhancing critical business systems is sought by a 400m to logistics and distribution business based in Birmingham. This is a fantastic opportunity to join a stable, well-established organisation where your work will have direct impact on core logistics and distribution processes. … using RPG (RPG III/RPG IV/ILE RPG) - Working with green screen (5250) interfaces - Supporting and enhancing existing warehouse, distribution, and logistics systems - Troubleshooting and resolving system issues - Collaborating with internal teams to gather and refine requirements - Contributing to system improvements and modernisation initiatives where appropriate This ...

IT Project Manager - D365 Integrations

Hiring Organisation
Sanderson
Location
South West, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £650 per day
Project Manager with strong knowledge of D365 F&O (Dynamics) . The successful applicant will be working on the integration of legacy systems with D365. Must have: Strong experience and knowledge of Dynamics D365 Finance & Operations modules Strong core IT PM skill set An ability to work ...

Senior QA Engineer

Hiring Organisation
Jobleads-UK
Location
Liverpool, England, United Kingdom
Liverpool’s most respected software engineering teams. Over the last few years, they’ve made significant investments in technology, rewriting legacy systems and driving forward with exciting greenfield projects. Why Join? You’ll play a key role as the company expands its automation testing function, working ...