51 to 75 of 85 Remote Legacy Systems Jobs

Head of Architecture - Infrastructure

Hiring Organisation
Centrica - CHP
Location
Windsor, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
guiding the architectural vision across our Infrastructure business. This role sits at the heart of a product-led technology organisation, ensuring that our systems and platforms not only support current business needs but are also built to scale and evolve with future demands. You'll be the strategic mind … behind long-term technology roadmaps, aligning them with enterprise architecture and the wider technology strategy. Whether it's rationalising legacy systems or guiding future investments, your focus will be on creating a technology landscape that's efficient, secure, and ready for growth. Location: UK-based hybrid role ...

Principal Software Engineer

Hiring Organisation
Reed Technology
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
About the Role We're looking for a Principal Software Engineer to lead the migration and modernisation of a complex legacy application into a modern, scalable architecture. This is a hands-on technical role where … shape the design, guide the team, and ensure successful delivery of a critical transformation project. Key Responsibilities Drive the migration of legacy systems to modern, cloud-based solutions. Define and implement microservice architecture using a code-first approach . Apply strong architectural principles and design patterns ...

Fabric Data Engineer

Hiring Organisation
Tenth Revolution Group
Location
Winchester, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£60000 - £75000/annum
support advanced analytics and reporting. You'll work across Microsoft Fabric, Power BI, and related technologies, enabling organisations to modernise legacy systems and adopt best-practice data engineering patterns. This is a hands-on, client-facing role where you'll lead technical conversations and deliver robust, maintainable ...

Technical Programme Manager

Hiring Organisation
Carbon 60
Location
Ireland
Employment Type
Contractor
Contract Rate
£52.32 - £70.00 per hour
major digital transformation initiative at a large manufacturing site in Belfast. This high-impact programme involves the replacement and modernisation of legacy systems supporting Production, Manufacturing Engineering, Quality, Procurement, Supply Chain, Warehouse Management, and Finance. The successful candidate will drive the delivery of new digital solutions, ensuring ...

Technical Programme Manager

Hiring Organisation
Carbon60 - Eng&Tech
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Contract
Contract Rate
£52.32 - £70 per hour + PAYE or Umbrella Rates
major digital transformation initiative at a large manufacturing site in Belfast. This high-impact programme involves the replacement and modernisation of legacy systems supporting Production, Manufacturing Engineering, Quality, Procurement, Supply Chain, Warehouse Management, and Finance. The successful candidate will drive the delivery of new digital solutions, ensuring ...

Lead Full Stack .NET Developer - Azure - Preston

Hiring Organisation
Circle Group
Location
Preston, Lancashire, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
/has a preference for back-end development if needed. The role will involve several .NET software engineering projects, including taking an old legacy system and building a brand new one over the next 2 years. Key skills: Experience in leading/mentoring junior and mid-level .NET ...

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 ...

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 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 ...

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 ...

Full-stack Developer - C#.Net React

Hiring Organisation
Big Red Recruitment
Location
Sutton-in-Ashfield, Nottinghamshire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £65,000 per annum
C# .NET APIs powering core ERP and operations Are you a full-stack developer who enjoys solving complex problems and modernising legacy systems This role sits within a growing internal technology team involved in major software modernisation and integration initiatives. You’ll work across ERP enhancement, ecommerce … Someone who brings curiosity, challenge, and practical decision-making to development.What you’ll be doing* Developing scalable C# .NET APIs to support internal ERP systems and operational workflows* Delivering UI features and improvements across React-based web applications* Connecting backend architecture with front-end experience for smooth commercial ...

System Administrator Hybrid

Hiring Organisation
Sanderson
Location
Stevenage, Hertfordshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
Competitive salary
days a week onsiteDay Rate: £400 - £500 inside IR35BPSS clearance required An exciting opportunity to join a leading aerospace and defence organisation as a Systems Administrator, supporting complex engineering environments and mission-critical infrastructure. You'll work across modern and legacy systems, ensuring reliable deployment, configuration … platforms that underpin advanced engineering projects. Key Responsibilities Manage version-controlled scripting using Git Maintain and extend Ansible-based configuration management Deploy systems using Autoinstall or similar tooling Administer Ubuntu 20+ or other Debian-based environments Build and run containerised services using Podman (incl. hardware passthrough and QEMU emulation ...

System Administrator Hybrid

Hiring Organisation
Sanderson Government and Defence
Location
Stevenage, Hertfordshire, South East, United Kingdom
Employment Type
Contract
week onsite Day Rate: £400 - £500 inside IR35 BPSS clearance required An exciting opportunity to join a leading aerospace and defence organisation as a Systems Administrator, supporting complex engineering environments and mission-critical infrastructure. You'll work across modern and legacy systems, ensuring reliable deployment, configuration … platforms that underpin advanced engineering projects. Key Responsibilities Manage version-controlled scripting using Git Maintain and extend Ansible-based configuration management Deploy systems using Autoinstall or similar tooling Administer Ubuntu 20+ or other Debian-based environments Build and run containerised services using Podman (incl. hardware passthrough and QEMU emulation ...

BI Engineer

Hiring Organisation
SF Recruitment (Tech)
Location
Wolverhampton, West Midlands, United Kingdom
Employment Type
Temporary, Work From Home
Salary
£400 per day
with light requirements and a delivery-focused mindset. Nice-to-Have: Experience with BarTender or label printing integrations. Exposure to NAV or other legacy ERP systems. Power Platform/Power Automate experience. Supply chain/order management data exposure. Snapshot/delta-style reporting logic. Why This Role ...

Senior BI Engineer

Hiring Organisation
Fruition Group
Location
York, North Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£65,000
forward thinking organisation, supporting the delivery of high quality data solutions. This role offers the chance to optimise data pipelines, manage backend BI systems, and develop scalable reporting solutions in a collaborative and supportive environment. The purpose of your role is to drive business value by building, maintaining … Azure and Microsoft Fabric. Knowledge of BI engineering concepts, including data modelling, ETL, pipelines, and backend data management. Experience with legacy BI systems (SSIS, SSAS cubes) and troubleshooting processes. Strong problem-solving skills and attention to detail, with the ability to manage multiple priorities. Excellent communication skills ...

Contract CTO

Hiring Organisation
Spectrum IT Recruitment
Location
Southampton, Hampshire, United Kingdom
Employment Type
Contract
digital and data transformation. Fractional engagement may also be considered for the right profile of contractor. The organisation is integrating multiple legacy systems, modernising its internal technology estate, and launching new customer-facing digital products. This includes a new SaaS platform designed to enhance customer experience … integration programme across software, data, and infrastructure. Establish a cohesive IT and digital operating model that supports future scale. Oversee delivery of internal systems upgrades, data integration and the build of new customer-facing products, including a SaaS platform leveraging the organisation's existing data assets. Provide a roadmap ...

D365 Implementation Manager (Manchester) (12 Month FTC)

Hiring Organisation
ROTORK PLC
Location
Oldham, Greater Manchester, North West, United Kingdom
Employment Type
Contract, Work From Home
deployment timelines, issue resolution, and change requests. Collaborate with functional deployment leads and SMEs to define and validate business scenarios, test outcomes, and legacy system transition requirements. Identify, document, and manage site-specific risks, assumptions, issues, and dependencies (RAID) related to the implementation, escalating to programme leadership where ...

Junior Applications Engineer

Hiring Organisation
SF Recruitment (Leicester)
Location
Derbyshire, East Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£35,000
factory to commission new laser machines and support production and process development - Gaining deep product knowledge across legacy and modern laser systems and helping advance our product line - Few times a month, visiting customer sites to repair, maintain and commission laser machines Key Responsibilities - Responsible for developing … equipment - Commission new machines in the factory: setup, calibration, acceptance testing, handover to production - Learn and document the differences between legacy laser systems and new-generation machines, their physical design, control systems and maintenance regimes - Collaborate with production and manufacturing teams to support process development ...

Graduate Applications Engineer

Hiring Organisation
SF Recruitment (Leicester)
Location
Derbyshire, East Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£35,000
factory to commission new laser machines and support production and process development - Gaining deep product knowledge across legacy and modern laser systems and helping advance our product line - Few times a month, visiting customer sites to repair, maintain and commission laser machines Key Responsibilities - Responsible for developing … equipment - Commission new machines in the factory: setup, calibration, acceptance testing, handover to production - Learn and document the differences between legacy laser systems and new-generation machines, their physical design, control systems and maintenance regimes - Collaborate with production and manufacturing teams to support process development ...

Solution Architect - (HCM) SC Cleared

Hiring Organisation
Henderson Scott
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £800 per day + Umbrella rate (inside IR35)
This role is critical for technical readiness, involving the design of integration patterns that will connect the new HCM with crucial internal and external systems across HR, Finance, and Payroll. The Role: End-to-End Integration Strategy & Delivery You will report directly to the Senior Technical Delivery Manager, acting … PECI, and APIs. Middleware Expertise: Leverage experience with middleware platforms (e.g., MuleSoft, Boomi, Azure Integration Services) to connect Workday to third-party and legacy systems. Delivery Management: Oversee the build, testing, and secure deployment of multiple integrations in parallel, collaborating closely with IT and external vendors. Compliance: Produce ...

Lead Identity Specialist - Microsoft Entra

Hiring Organisation
VANLOQ LIMITED
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
related IAM services. Define and execute IAM strategy aligned to Zero Trust principles. Support large-scale IAM adoption, modernisation, and migration from legacy identity platforms. Drive proactive use of Microsoft Defender for Identity to enhance threat detection and identity-based risk management. Partner with security leadership to ensure … equivalent. 12+ years IAM experience including enterprise consulting and large-scale deployments. Experience modernising IAM platforms and migrating from legacy identity systems. Strong background in presenting IAM strategy and architecture to senior leadership. If you are a senior identity specialist with exceptional Microsoft Entra expertise and the ability ...

Logistics ERP Solutions Architect (SAP S/4HANA) (m/f/d)

Hiring Organisation
OSI Food Solutions Germany GmbH
Location
Günzburg, Bayern, Germany
Employment Type
Permanent
Salary
EUR 30 Annual
plus What your job includes Design and implementation of SAP S/4HANA solutions Supporting the transition from legacy ERP systems to SAP S/4HANA Identification of business requirements for new IT solutions and enhancements Alignment of business processes with IT strategy and architectural requirements Contribution ...

Lead Software Engineer C# / React.js - Top Trading Firm!

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
rebuilding its entire core platform from the ground up greenfield, modern, high-impact. You'll be working directly with the CTO on mission-critical systems used across trading and structured products. What You'll Work On: Full greenfield rebuild of legacy trading systems Modern full-stack … Looking For: Strong C#/.NET engineering background Solid React.js (or modern JS with willingness to grow fast) Experience in financial services/trading systems Ownership mindset - hands-on, ideas-driven, and proactive Interview Process (Fast Turnaround) CTO Intro Live Technical Test HR (Culture & Team Fit) No visas sponsorship ...