376 to 400 of 530 Legacy Systems Jobs

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 ...

Full Stack Software Engineer

Hiring Organisation
Firenze
Location
Slough, Berkshire, UK
Employment Type
Full-time
technical depth, gain exposure to DevOps, cloud, and observability practices, and help define how we build software at Firenze. With no legacy systems, you'll be shaping our platform from the ground up and growing alongside a team that values mentorship, learning, and engineering excellence. Key Responsibilities … pipelines) and learn how to scale reliable delivery. Performance & Observability: Gain hands-on experience with monitoring tools and learn how to build observable systems from day one. Documentation & Developer Experience: Help create clear technical docs and reusable tooling that makes development smoother for everyone. Cross-Functional Collaboration: Partner with ...

Full Stack Software Engineer

Hiring Organisation
Firenze
Location
City of London, London, United Kingdom
technical depth , gain exposure to DevOps, cloud, and observability practices, and help define how we build software at Firenze. With no legacy systems , you’ll be shaping our platform from the ground up and growing alongside a team that values mentorship, learning, and engineering excellence. Key Responsibilities … pipelines) and learn how to scale reliable delivery. Performance & Observability: Gain hands-on experience with monitoring tools and learn how to build observable systems from day one. Documentation & Developer Experience: Help create clear technical docs and reusable tooling that makes development smoother for everyone. Cross-Functional Collaboration: Partner with ...

Full Stack Software Engineer

Hiring Organisation
Firenze
Location
London Area, United Kingdom
technical depth , gain exposure to DevOps, cloud, and observability practices, and help define how we build software at Firenze. With no legacy systems , you’ll be shaping our platform from the ground up and growing alongside a team that values mentorship, learning, and engineering excellence. Key Responsibilities … pipelines) and learn how to scale reliable delivery. Performance & Observability: Gain hands-on experience with monitoring tools and learn how to build observable systems from day one. Documentation & Developer Experience: Help create clear technical docs and reusable tooling that makes development smoother for everyone. Cross-Functional Collaboration: Partner with ...

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 ...

Oracle Fusion Cloud Senior Data Migration Manager

Hiring Organisation
GTC Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£650 - £700 per day
migration phases Interface with Oracle Fusion data models and manage FBDI, HDL, and BICC artefacts Coordinate migration activities across multiple legacy source systems Provide leadership and guidance to technical and functional teams Identify, manage, and mitigate risks related to data quality, security, and cutover readiness Minimum Requirements … projects for Oracle Fusion Cloud Financial Management, HCM, and EPM Experience working in complex legacy environments with both Oracle and non-Oracle systems Proven experience with Oracle Master Data Management products Strong understanding of data management methodologies Excellent problem-solving, analytical, communication, and leadership skills Ability ...

Document Controller

Hiring Organisation
Undisclosed
Location
Swindon, UK
Employment Type
Full-time
Clearance: Must hold SC Clearance Role Overview We are seeking an experienced Document Controller to support a critical programme within the Space and Mission Systems domain. This role ensures the integrity, security, and efficient management of project documentation and data across multiple platforms. Key Responsibilities Maintain … ensure compliance with standards. Administer access forms, update system permissions, and manage onboarding/offboarding of users. Migrate documentation from legacy systems (e.g., P-drive, SharePoint) into controlled environments such as Vault. Track and manage interface documentation and workflows. Monitor and process CDRLs and ensure timely responses ...

Document Controller

Hiring Organisation
Undisclosed
Location
Corsham, Wiltshire, UK
Employment Type
Full-time
Clearance: Must hold SC Clearance Role Overview We are seeking an experienced Document Controller to support a critical programme within the Space and Mission Systems domain. This role ensures the integrity, security, and efficient management of project documentation and data across multiple platforms. Key Responsibilities Maintain … ensure compliance with standards. Administer access forms, update system permissions, and manage onboarding/offboarding of users. Migrate documentation from legacy systems (e.g., P-drive, SharePoint) into controlled environments such as Vault. Track and manage interface documentation and workflows. Monitor and process CDRLs and ensure timely responses ...

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 ...

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 ...

Solutions Architect

Hiring Organisation
Next Ventures
Location
London Area, United Kingdom
designs are aligned, methodologies applied, and project milestones met. Report to the program lead, supporting a 100-member team in replacing legacy systems, including payroll for 100,000 employees. Skills : Strong expertise in Finance modules and experience across Logistics, Procurement, HR, and Payroll. Proven ability to align ...

Solutions Architect

Hiring Organisation
Next Ventures
Location
City of London, London, United Kingdom
designs are aligned, methodologies applied, and project milestones met. Report to the program lead, supporting a 100-member team in replacing legacy systems, including payroll for 100,000 employees. Skills : Strong expertise in Finance modules and experience across Logistics, Procurement, HR, and Payroll. Proven ability to align ...

Data Engineer - D365 F&O

Hiring Organisation
Tria Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 450 - 550 Daily
early Jan, with interviews ideally happening this side of the Christmas break. Key Focus: Build/run ETL processes from Legacy systems into the new ERP Support multiple concurrent migration cycles Improve data-migration tools and workflows Work closely with data, technical, and business teams ...

Senior Front End Developer

Hiring Organisation
VIQU IT Recruitment
Location
Gateshead, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent
Salary
£60,000
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 ...

Senior Front End Developer

Hiring Organisation
VIQU IT
Location
Newcastle upon Tyne, 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 ...

React Native Developer

Hiring Organisation
Rise Technical Recruitment Limited
Location
Spalding, Lincolnshire, East Midlands, United Kingdom
Employment Type
Permanent, Work From Home
will have the freedom to work on bespoke mobile applications. 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 cross-platform mobile applications ...

Infrastructure & Networks Manager

Hiring Organisation
B&S Group
Location
Slough, Berkshire, UK
Employment Type
Full-time
under pressure. • Clear communicator able to translate technical issues for non‐technical stakeholders. • Organised, documentation‐driven and improvement‐focused. • Comfortable challenging legacy systems and driving modernisation. ...

Infrastructure & Networks Manager

Hiring Organisation
B&S Group
Location
London Area, United Kingdom
under pressure. • Clear communicator able to translate technical issues for non‐technical stakeholders. • Organised, documentation‐driven and improvement‐focused. • Comfortable challenging legacy systems and driving modernisation. ...