126 to 150 of 204 Legacy Systems Jobs

Product Manager

Hiring Organisation
Tiro Partners
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
volume digital commerce business. This role sits at the heart of the product ecosystem, shaping how products, prices, availability and rules flow through complex systems and into customer-facing experiences. Youll work on foundational capabilities rather than surface-level features, helping to create scalable, predictable systems that enable … product, API and data requirements Define scalable product models, pricing logic and configuration rules Own roadmap initiatives that reduce reliance on legacy systems APIs, Data & Integrations Partner with engineering to design and evolve API contracts, data structures and error handling Work closely with suppliers and internal teams ...

Workday Payroll Project Officer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Doncaster, South Yorkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£30,000 - £40,000 per annum
require an experienced Workday Payroll Officer to support the team during this transition. This is a high-impact opportunity to contribute to a major systems project, working hybrid within a fast-paced, high volume, detail-oriented environment. Your new role Perform end-to-end testing of Workday payroll functionality … required.Act as a Workday change agent, coaching and supporting the payroll team through system changes.Contribute to and influence continuous improvement initiatives, enhancing processes and systems to deliver an exceptional payroll service.Complete specific pay-period tasks as directed by the Payroll Manager.Interpret and validate complex payroll data sets across legacy ...

Product Manager

Hiring Organisation
Tiro Partners Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
volume digital commerce business. This role sits at the heart of the product ecosystem, shaping how products, prices, availability and rules flow through complex systems and into customer-facing experiences. You’ll work on foundational capabilities rather than surface-level features, helping to create scalable, predictable systems that … product, API and data requirements Define scalable product models, pricing logic and configuration rules Own roadmap initiatives that reduce reliance on legacy systems APIs, Data & Integrations Partner with engineering to design and evolve API contracts, data structures and error handling Work closely with suppliers and internal teams ...

Business Analyst - Process Mapping, Healthcare, TOM

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Excellent communication skills Exceptional Stakeholder Management skills Flexible approach towards onsite working (minimum 3 days per week) Nice to have: Working knowledge of CRM systems and ability to refine requirements (ie MS Dynamics) Experience of working on Programmes relating to legacy systems, mapping out what ...

Business Analyst - Process Mapping, Healthcare, TOM

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Excellent communication skills Exceptional Stakeholder Management skills Flexible approach towards onsite working (minimum 3 days per week) Nice to have: Working knowledge of CRM systems and ability to refine requirements (ie MS Dynamics) Experience of working on Programmes relating to legacy systems, mapping out what ...

Senior Developer

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 per day
work within a collaborative, multidisciplinary environment to design, build, and maintain high-quality digital services. The role involves contributing to both new and existing systems, supporting multiple languages and platforms, and applying strong DevOps, TDD, and modern engineering practice throughout. Key Responsibilities Develop new services using Python while supporting … existing components written in Java and .NET Work with Oracle PL/SQL to support legacy and operational systems Engineer solutions across cloud and infrastructure environments including AWS, Azure, Linux, SQL Server, Postgres, Docker, and Kubernetes Implement CI/CD pipelines using GitHub or Azure DevOps Deliver ...

Senior Developer

Hiring Organisation
Tenth Revolution Group
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400/day
work within a collaborative, multidisciplinary environment to design, build, and maintain high-quality digital services. The role involves contributing to both new and existing systems, supporting multiple languages and platforms, and applying strong DevOps, TDD, and modern engineering practice throughout. Key Responsibilities Develop new services using Python while supporting … existing components written in Java and .NET Work with Oracle PL/SQL to support legacy and operational systems Engineer solutions across cloud and infrastructure environments including AWS, Azure, Linux, SQL Server, Postgres, Docker, and Kubernetes Implement CI/CD pipelines using GitHub or Azure DevOps Deliver ...

Software Conversion Project Manager - UK Life Tax

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £850/day
lead a major tax software migration within its UK Life Tax division. Key Responsibilities Lead the end-to-end migration from a legacy tax system to a new third-party platform. Manage planning, timelines, risks, and stakeholder updates. Oversee data configuration, data take-on, and system testing ...

Umbraco Developer

Hiring Organisation
Rise Technical Recruitment Limited
Location
Spalding, Lincolnshire, East Midlands, United Kingdom
Employment Type
Permanent
Salary
Holiday + Pension
position where you will have freedom to work on bespoke projects. 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 varied role you will design, develop, and maintain Umbraco-based ...

Umbraco Developer - Contract

Hiring Organisation
Rise Technical Recruitment Limited
Location
Spalding, Lincolnshire, East Midlands, United Kingdom
Employment Type
Contract
position where you will have freedom to work on bespoke projects. 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 varied role you will design, develop, and maintain Umbraco-based ...

Web Developer

Hiring Organisation
MGF LTD
Location
Wigan, Greater Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£35,000
alike. The Role As a Web Developer, you will: Develop, and maintain both internal and external web and mobile applications. Redevelop legacy systems and create bespoke digital solutions. Participate in the full software development lifecycle - from requirements gathering to development, deployment and maintenance. Ensure code quality through ...

Full Stack Developer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Derby, Derbyshire, East Midlands, United Kingdom
Employment Type
Permanent
Salary
£45,000
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 ...

Modern Workplace Solutions Architect

Hiring Organisation
Knovia
Location
Bristol, Avon, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
architecting, deploying, and continuously improving secure, scalable Microsoft 365 solutions. Working across multi-tenancy environments, you will guide our transition from legacy systems, drive adoption of new cloud and AI capabilities, and ensure our environment remains robust, modern, and aligned to Microsoft best practices. This role blends ...

Systems Analyst

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Liverpool, Merseyside, England, United Kingdom
Employment Type
Contractor
Contract Rate
Competitive salary
looking for a Systems Analyst to bridge the gap between business needs and technical solutions across our core line-of-business applications. You'll translate business requirements into clear, functional specifications, shape system designs, and ensure seamless integrations - both in-house and with trusted third-party partners. Your … role Translate business needs: Integrate business requirements into functional requirements for in-house developed systems. Design core systems: Create system designs for line-of-business applications, with a strong appreciation for third-party integrations and data feeds. Collaborate cross-functionally: Work closely with analysts, developers, testers, and a variety ...

Voice and Unified Communications Engineer

Hiring Organisation
East London NHS Foundation Trust
Location
London, United Kingdom
Employment Type
Fixed-Term
Salary
£56276.00 - £63176.00 a year
background. The successful candidate must have strong experience in Microsoft Teams Voice administration and end-to-end UC migrations , particularly transitioning services from legacy voice platforms (PSTN, Avaya, etc.) to MS Teams . This is an on-site role across East London, Luton, and Bedfordshire , with frequent travel … certified handsets (Yealink or equivalent). Apply best practice for numbering, naming conventions, and governance. Telephony Migrations & Support Migrate services from legacy systems (Avaya, BT, MSD, PSTN, etc). Coordinate number PORTs with telco suppliers and ensure smooth cutovers. Test inbound/outbound routing, call flows ...

Infrastructure Engineer

Hiring Organisation
Hays
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
working from either the Newport or Cardiff office and will pay c£50 - £55k + competitive benefits. The Infrastructure Engineer designs, implements, and maintains systems and processes that support continuous integration and reliable operation of third-party and internal IT infrastructure. The role ensures performance, security, and availability while … Responsibilities Architect and manage Azure-based cloud environments, including network design, hybrid connectivity, and security best practices. Support migration of legacy systems to cloud platforms. Automate deployments, builds, and environment provisioning. Monitor system health, performance, and capacity; perform tuning and proactive issue resolution. Maintain documentation for deployment ...

Software Development Apprenticeship

Hiring Organisation
Baltic Apprenticeships
Location
Wilmslow, Cheshire, North West, United Kingdom
Salary
£18,000
training team at Baltic Apprenticeships. A Typical Day in the Job: Develop, deliver and support dynamic web applications and services. Upgrade legacy systems to improve functionality and usability with modern web technologies. Use APIs to synchronise the flow of data between internal and external systems. Support … keen interest in modern software development principles. A desire to be involved in a fast paced team environment. Knowledge and experience of modern information systems including computer proficiency. Strong people and communication skills. Grade 6 in GCSE Maths and Grade 4 in GCSE English. Salary, Hours&Benefits ...

Software Development Apprenticeship

Hiring Organisation
Baltic Apprenticeships
Location
Alderley Edge, Cheshire, North West, United Kingdom
Employment Type
Advanced apprenticeships
Salary
£18,000
training team at Baltic Apprenticeships. A Typical Day in the Job: Develop, deliver and support dynamic web applications and services. Upgrade legacy systems to improve functionality and usability with modern web technologies. Use APIs to synchronise the flow of data between internal and external systems. Support … keen interest in modern software development principles. A desire to be involved in a fast paced team environment. Knowledge and experience of modern information systems including computer proficiency. Strong people and communication skills. Grade 6 in GCSE Maths and Grade 4 in GCSE English. Salary, Hours?&?Benefits ...

Software Developer

Hiring Organisation
Uniting Ambition
Location
Staffordshire, United Kingdom
Employment Type
Permanent
impact and your voice drives innovation? This is your chance to join a global, tech-forward organisation that’s transforming its legacy systems into a modern, service-oriented architecture. You’ll play a key role in that transformation, with the opportunity to grow your skills, contribute fresh … Server and T-SQL Excellent communicator who thrives in a team setting Bonus: Experience working on high-availability , multi-user , n-tier distributed systems Hybrid Working Based in the West Midlands , with flexible hybrid working that balances collaboration and personal productivity. If you're ready to join a business ...

Senior Software Engineer, PHP

Hiring Organisation
ARC IT Recruitment
Location
Brighton, Sussex, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
essential) Experience working with APIs and third-party integrations Excellent communication skills and a proactive, problem-solving mindset Comfortable maintaining Legacy systems while supporting technology modernisation A thoughtful, methodical and customer-focused approach to development If you're looking for a role that combines hands-on coding ...

Senior Software Engineer, PHP

Hiring Organisation
ARC IT Recruitment Ltd
Location
Brighton, East Sussex, South East, United Kingdom
Employment Type
Permanent
Salary
£60,000
essential) Experience working with APIs and third-party integrations Excellent communication skills and a proactive, problem-solving mindset Comfortable maintaining legacy systems while supporting technology modernisation A thoughtful, methodical and customer-focused approach to development If youre looking for a role that combines hands-on coding with ...

Salesforce Developer

Hiring Organisation
Iceland Food Group
Location
Deeside, Flintshire, Wales, United Kingdom
Employment Type
Permanent
transaction websites. You would join us at an exciting time during an exciting programme of change and re-platforming legacy systems into the Salesforce eco system. In this role, you can expect to: Implement new features using the right tool and technology for the job. Work with ...

Technical Accountant- Data migration

Hiring Organisation
Panoramic Associates
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 - 500 Daily
primary objective is to transition complex financial data, including significant Balance Sheet entries related to land holdings and capital projects, from the legacy Agresso system click apply for full job details ...

Senior Front End Developer

Hiring Organisation
VIQU IT
Location
Newcastle, Felling, Tyne & Wear, United Kingdom
Employment Type
Permanent
Salary
£58000 - £60000/annum
Upon Tyne (One day a week on site) VIQU have partnered with a national organisation going through an exciting transformation from legacy systems, and so are looking to hire a Senior Frontend developer focused on React. Responsibilities of the Senior Front End Developer: Assist in the design ...

SAP Finance Lead - SAP S/4HANA Migration

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
appoint asap.Job Specification:The Functional Lead - SAP S/4HANA Migration will be the UK-based business lead for the migration from a legacy finance system to SAP S/4HANA.Acting as the senior finance liaison between a UK finance team and an offshore technical delivery team ...