351 to 375 of 527 Legacy Systems Jobs

Senior Software Engineer (PHP)

Hiring Organisation
True9
Location
Reading, Berkshire, UK
Employment Type
Full-time
talented team on our mission to help people and businesses thrive through technology. If you love untangling hard problems, improving legacy systems, and shipping clean, tested code, you'll fit right in. Your role as a Senior PHP Software Engineer at True9: Lead the back-end - write ...

Senior Software Engineer (PHP)

Hiring Organisation
True9
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
talented team on our mission to help people and businesses thrive through technology. If you love untangling hard problems, improving legacy systems, and shipping clean, tested code, you'll fit right in. Your role as a Senior PHP Software Engineer at True9: Lead the back-end - write ...

Senior Software Engineer (PHP)

Hiring Organisation
True9
Location
Newcastle upon Tyne, UK
Employment Type
Full-time
talented team on our mission to help people and businesses thrive through technology. If you love untangling hard problems, improving legacy systems, and shipping clean, tested code, you'll fit right in. Your role as a Senior PHP Software Engineer at True9: Lead the back-end - write ...

Senior Software Engineer (PHP)

Hiring Organisation
True9
Location
Milton Keynes, Buckinghamshire, UK
Employment Type
Full-time
talented team on our mission to help people and businesses thrive through technology. If you love untangling hard problems, improving legacy systems, and shipping clean, tested code, you'll fit right in. Your role as a Senior PHP Software Engineer at True9: Lead the back-end - write ...

Senior Software Engineer (PHP)

Hiring Organisation
True9
Location
Stoke-on-Trent, Staffordshire, UK
Employment Type
Full-time
talented team on our mission to help people and businesses thrive through technology. If you love untangling hard problems, improving legacy systems, and shipping clean, tested code, you'll fit right in. Your role as a Senior PHP Software Engineer at True9: Lead the back-end - write ...

AWS Architect

Hiring Organisation
Vallum Associates Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
Skills:Strong understanding and ability to design integrated, scalable, and secure IT solutions for procurement and supply chain operations, often involving cloud and legacy systems. Communication:Excellent communication skills, both written and verbal, and able to effectively communicate with senior stakeholders and managing their expectations ensures projects align ...

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 ...

Full-Stack Node.js/React Developer

Hiring Organisation
X4 Technology
Location
London Area, United Kingdom
state management Solid understanding of frontend design: usability, accessibility, polished UI Proven experience or understanding of OIDC/OAuth flows in multi-tenant systems Security mindset (handling sensitive data, regulatory constraints) Excellent communication - able to present technical decisions to product/business stakeholders Desirable/Bonus Experience in financial … services, payments, banking or regulated environments Exposure to Next.js, Vue.js, or other JS frameworks Prior work migrating legacy systems or transforming architecture Familiarity with containerisation, microservices, AWS deployments Please apply now if this role is of interest. ...

Full-Stack Node.js/React Developer

Hiring Organisation
X4 Technology
Location
City of London, London, United Kingdom
state management Solid understanding of frontend design: usability, accessibility, polished UI Proven experience or understanding of OIDC/OAuth flows in multi-tenant systems Security mindset (handling sensitive data, regulatory constraints) Excellent communication - able to present technical decisions to product/business stakeholders Desirable/Bonus Experience in financial … services, payments, banking or regulated environments Exposure to Next.js, Vue.js, or other JS frameworks Prior work migrating legacy systems or transforming architecture Familiarity with containerisation, microservices, AWS deployments Please apply now if this role is of interest. ...

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 ...

Chief Architect

Hiring Organisation
Inspire People
Location
Swansea, West Glamorgan, Wales, United Kingdom
Employment Type
Full-Time
Salary
£69,501 - £98,061 per annum, Inc benefits
rapidly changing and evolving technology landscape. You will play a key part in reducing technical costs, supporting migration from legacy systems and positioning DVLA as a leading digital organisation. As Chief Architect your responsibilities will include, but aren't limited to: Network and communicate with senior stakeholders … proposals and acting as arbiter in making recommendations to senior stakeholders. Proactively seek opportunities for digital transformation, directing the development of Architectures for complex systems and ensuring consistency with specified requirements agreed with internal and external customers. Support multiple teams, finding and using best practice and emerging technologies. Overseeing ...

Chief Architect

Hiring Organisation
Inspire People
Location
Swansea, Neath Port Talbot, Wales, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
rapidly changing and evolving technology landscape. You will play a key part in reducing technical costs, supporting migration from legacy systems and positioning DVLA as a leading digital organisation. As Chief Architect your responsibilities will include, but aren't limited to: Network and communicate with senior stakeholders … proposals and acting as arbiter in making recommendations to senior stakeholders. Proactively seek opportunities for digital transformation, directing the development of Architectures for complex systems and ensuring consistency with specified requirements agreed with internal and external customers. Support multiple teams, finding and using best practice and emerging technologies. Overseeing ...

Professional Services Consultant

Hiring Organisation
LexisNexis Risk Solutions
Location
Slough, Berkshire, UK
Employment Type
Full-time
services for LexisNexis Risk Solutions' Bridger product suite. This role partners with clients to ensure successful onboarding, configuration, and transition from legacy systems to Bridger, aligning solutions with compliance objectives and operational workflows. The consultant acts as a trusted advisor, guiding clients through functional design, best practices … processes. Conduct workshops to capture business requirements and convert them into solution configurations. Migration Support - Assist clients in planning and executing migrations from legacy platforms (e.g., WorldCompliance) to Bridger and provide guidance on data mapping, cleansing, and validation to ensure smooth transition. Client Advisory & Best Practices - Advise clients ...

Professional Services Consultant

Hiring Organisation
LexisNexis Risk Solutions
Location
London Area, United Kingdom
services for LexisNexis Risk Solutions’ Bridger product suite. This role partners with clients to ensure successful onboarding, configuration, and transition from legacy systems to Bridger, aligning solutions with compliance objectives and operational workflows. The consultant acts as a trusted advisor, guiding clients through functional design, best practices … processes. Conduct workshops to capture business requirements and convert them into solution configurations. Migration Support - Assist clients in planning and executing migrations from legacy platforms (e.g., WorldCompliance) to Bridger and provide guidance on data mapping, cleansing, and validation to ensure smooth transition. Client Advisory & Best Practices - Advise clients ...

Professional Services Consultant

Hiring Organisation
LexisNexis Risk Solutions
Location
City of London, London, United Kingdom
services for LexisNexis Risk Solutions’ Bridger product suite. This role partners with clients to ensure successful onboarding, configuration, and transition from legacy systems to Bridger, aligning solutions with compliance objectives and operational workflows. The consultant acts as a trusted advisor, guiding clients through functional design, best practices … processes. Conduct workshops to capture business requirements and convert them into solution configurations. Migration Support - Assist clients in planning and executing migrations from legacy platforms (e.g., WorldCompliance) to Bridger and provide guidance on data mapping, cleansing, and validation to ensure smooth transition. Client Advisory & Best Practices - Advise clients ...

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 ...

Data Migration Engineer

Location
Milton Keynes, Buckinghamshire, United Kingdom
fast-growing, acquisition-led organisation. Your core mission will be to migrate operational (CRM) and in time, finance data from multiple legacy systems into Microsoft Dynamics, repeatedly, reliably, and under pressure. You will work ... ...

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 ...