1 to 25 of 170 Permanent Legacy Systems Jobs in England

Data Engineer (GCP)

Hiring Organisation
Method-Resourcing
Location
Bath, Somerset, South West, United Kingdom
Employment Type
Permanent
suited to someone who enjoys owning delivery, leading projects, and working closely with stakeholders. While there is some responsibility for supporting legacy systems, the focus of the role is firmly on the future - building, shaping, and delivering data pipelines into GCP and BigQuery. You'll be part … working on: Designing, building, and maintaining data pipelines feeding GCP and BigQuery Supporting the transition from legacy SQL-based systems into cloud-native architectures Day-to-day Python development within a modern cloud environment Delivering and leading data engineering projects end-to-end - from scoping through ...

Mid-Level Laravel Developer

Hiring Organisation
Hawk 3 Talent Solutions
Location
Crewe, Bradfield Green, Cheshire, United Kingdom
Employment Type
Permanent
Salary
£35000/annum
Start Available Are you a Laravel Developer looking for a role where you can make a genuine impact across modern platforms and business-critical systems? We're recruiting on behalf of a growing and forward-thinking business seeking a Mid-Level Laravel Developer to join their expanding tech team … based onsite in Crewe. This is an exciting opportunity for a developer who enjoys both building new applications and modernising legacy systems, while working closely with operational teams and stakeholders across the business. You'll become the onsite technical representative for the central IT team, playing ...

Lead C++ Developer - Fintech

Hiring Organisation
Client Server
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
align stakeholders and deliver a roadmap that supports long term growth and innovation. You'll play a key role in modernising legacy systems, improving engineering practices and enabling faster, more reliable releases. Alongside this, you'll foster a collaborative team culture, mentor engineers and ensure high standards … experience within a finance environment, ideally with experience of trading, exposure/risk and hedging execution You have experience of renovating legacy systems whilst concurrently delivering on new projects You have excellent collaboration, leadership and stakeholder management skills What's in it for you: Salary to £120k ...

Azure DevOps Engineer

Hiring Organisation
Arc IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 per annum
supporting cloud-native engineering and helping deliver enterprise-scale technology initiatives. This will include projects involving the migration and modernisation of legacy systems and platforms. What you’ll be doing: • Engineering and maintaining CI/CD pipelines • Building Azure infrastructure using Terraform • Supporting migrations from legacy systems into modern cloud environments • Driving automation and cloud best practice • Improving reliability, security and deployment efficiency • Working closely with engineering, infrastructure and security teams • Supporting large-scale cloud transformation initiatives What we’re looking for: • Strong Azure DevOps/Cloud Engineering background • Terraform and Infrastructure ...

Solution Architect T04 - T07

Hiring Organisation
Jobleads-UK
Location
Milton Keynes, England, United Kingdom
date architecture repository and system inventory.**Define and Manage Local Architecture:*** **As-Is Architecture:** Capture the current state of the country’s systems and dependencies. Maintain and own the architecture repository, system inventory, and integration blueprint for the country.* **Transition Architecture:** Co-develop detailed roadmaps for moving from … legacy systems to global platform/solutions, with a focus on country-specific priorities and dependencies, in close collaboration with the Regional Architect and Global Enterprise Architect, among other stakeholders.* **Target Architecture:** Co-define the target architecture aligning with the regional architect and Global Enterprise Architect ...

Full Stack Developer (Fully Remote North West Based)

Hiring Organisation
Butler Rose
Location
Preston, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
This position would be ideal for an experienced developer with strong Laravel (PHP) and React.js expertise who enjoys working across both legacy systems and modern technologies . You will be responsible for maintaining and enhancing the companies existing website, APIs and backend systems whilst also contributing … identifying opportunities to upgrade across frameworks, dependencies and infrastructure The ideal applicant will have experience with PHP and Laravel, React and legacy systems . This role would be perfect for someone who enjoys taking a pragmatic, hands on approach to development, who is comfortable working on live ...

Senior Software Engineer

Hiring Organisation
DWP Digital
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent
Salary
£80,000
ready to build modern, cloud-first systems that replace legacy services and shape the future of how government manages billions in public money? As a Senior Software Engineer in DWP Digital, you'll join one of our Debt Solutions teams, helping to deliver large-scale, greenfield transformation … programmes. These teams are responsible for replacing long-standing, high-risk legacy debt systems with modern and resilient digital platforms that will serve the UK for the next decade and beyond. You'll play a critical role in designing and building scalable, secure services using technologies like ...

Senior Software Engineer

Hiring Organisation
DWP Digital
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£80,000
ready to build modern, cloud-first systems that replace legacy services and shape the future of how government manages billions in public money? As a Senior Software Engineer in DWP Digital, you'll join one of our Debt Solutions teams, helping to deliver large-scale, greenfield transformation … programmes. These teams are responsible for replacing long-standing, high-risk legacy debt systems with modern and resilient digital platforms that will serve the UK for the next decade and beyond. You'll play a critical role in designing and building scalable, secure services using technologies like ...

Senior Software Engineer

Hiring Organisation
DWP Digital
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£80,000
ready to build modern, cloud-first systems that replace legacy services and shape the future of how government manages billions in public money? As a Senior Software Engineer in DWP Digital, you'll join one of our Debt Solutions teams, helping to deliver large-scale, greenfield transformation … programmes. These teams are responsible for replacing long-standing, high-risk legacy debt systems with modern and resilient digital platforms that will serve the UK for the next decade and beyond. You'll play a critical role in designing and building scalable, secure services using technologies like ...

Senior Software Engineer

Hiring Organisation
DWP Digital
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent
Salary
£80,000
ready to build modern, cloud-first systems that replace legacy services and shape the future of how government manages billions in public money? As a Senior Software Engineer in DWP Digital, you'll join one of our Debt Solutions teams, helping to deliver large-scale, greenfield transformation … programmes. These teams are responsible for replacing long-standing, high-risk legacy debt systems with modern and resilient digital platforms that will serve the UK for the next decade and beyond. You'll play a critical role in designing and building scalable, secure services using technologies like ...

Head of Solutions Architecture

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
central to shaping the future of our technology landscape, overseeing up to £400m of IT investment and driving the transformation of legacy systems into modern, scalable architecture. What you’ll do: Lead and inspire a team of Solution Architects, providing strategic and technical direction across multiple domains. … large-scale organisation is essential. AWS Certified, with practical experience applying cloud architecture principles in complex organisations. Experience transforming legacy systems and delivering modern architecture in a matrixed environment. Strong background in application development, integration, infrastructure, and cloud technologies. Experience collaborating with leaders at a senior level ...

FX eTrading Java Developer - VP

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
delivering FX technology in support of our #1 FX business. Role Overview/What will you do: Hands on technical implementation of FX trading systems The successful candidate will work with teams across FX Trading Technology implement solutions that benefit the business The role does not involve budget responsibility … Drive the design and development of system architecture, work with end-users of the systems, and enhance the quality of deliverables Ensure staff follows Citi documented policy and procedures as well as maintain desktop procedures and supporting documentation for filings on a current basis and in comprehensive manner Contribute ...

FX Technology – Cross Border Payments Developer (AVP)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Payments to define and then implement solutions Develop against an evolving system architecture using an AI‐First approach, working with end‐users of the systems, and enhancing the quality of deliverables Follow best practices and processes for the department and support transparency and consistency within immediate team … contact with sales or trading business teams is required Demonstrable understanding of FX products is preferred Proven track record of developing aspects of new systems, migrating legacy systems and renovating existing systems The candidate will have a strong systems (software, hardware, networks) knowledge required ...

Systems Engineer - Grade B2

Hiring Organisation
Teleperformance
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent
Hello, Thank you for your interested in our L2-L3 Systems Engineer position here at Teleperformance UK. Were looking for a self-driven and proactive Systems Engineer (Level 23) with a genuine passion for technology and problem-solving. This role is ideal for someone who thrives in dynamic … expected to join an on-call rota. Contract Term: Permanent The Role Participate in the maintenance, monitoring, implementation and decommission of IT systems, including servers, storage and hardware; and provide professional support and knowledge of Teleperformance systems to internal business units and clients. They will submit recommendations ...

Software Engineer

Hiring Organisation
NUS Consulting
Location
Redhill, Surrey, South East, United Kingdom
Employment Type
Permanent
Salary
£45,000
forefront of the industry. This is a rare opportunity to be part of the core technical team developing the next generation of systems to form a new foundation for the business. This position requires 3+ years of experience in building, maintaining and troubleshooting SaaS products, ideally using .NET, React … database query optimization in both Oracle SQL and TSQL is highly desirable. A willingness to dive deep into legacy on-prem systems is crucial. Key Responsibilities Build and maintain full-stack systems that run in Azure Cloud environments, both internal and client-facing Create and maintain ...

SAP Integration Architect

Hiring Organisation
NTT DATA, Inc
Location
England, United Kingdom
4HANA, SAP ECC, SAP BTP, SAP Integration Suite, CPI, API Management, Event Mesh, and relevant middleware platforms. Architect interfaces between SAP and third-party systems including cloud applications, legacy systems, data platforms, and partner ecosystems. Establish integration patterns for real-time, asynchronous, API-based, event-driven ...

Data Engineer

Hiring Organisation
Liquidline
Location
Ipswich, Suffolk, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
ownership of the technical foundations of our data platform – from ingestion and infrastructure to deployment – helping us move from legacy, on-premise systems to a modern, cloud-first data architecture. Working closely with the BI & Data Lead and an Analytics Engineer, you’ll be the primary architect … turning fragmented legacy data into a competitive, AI-ready asset. If you enjoy building things from the ground up, modernising complex systems, and shaping how data is used across a business, this role offers real ownership and influence. The Role - Data Engineer Designing a greenfield data platform ...

Senior Systems Engineer

Hiring Organisation
Newcastle and Stafford Colleges Group
Location
Newcastle, Staffordshire, West Midlands, United Kingdom
Employment Type
Permanent
Senior Systems Engineer Location: Newcastle (primary), Stafford, Leek, IOT, Axia, Gradbach Hours: Full Time Salary: £40,000 - £50,000 Holiday: 43 Days, rising to 47 following 5 years' service (Inclusive of Bank holidays and Christmas closure) Newcastle and Stafford Colleges Group (NSCG) is one of the very best colleges … development, and continuous improvement. This is an ideal hands-on role for a senior engineer who enjoys influencing IT strategy, modernising legacy systems, and delivering secure, scalable solutions to reflect the requirements of the curriculum and College senior leadership team. Main Duties and Responsibilities: Design, implement ...

HR Data Migration Analyst

Hiring Organisation
Morgan Hunt Recruitment
Location
Leeds, West Yorkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£51,753 per annum
well-regarded organisation to recruit an HR Data Migration Analyst to support a key transformation programme, migrating people data from legacy systems into SAP SuccessFactors. This is an excellent opportunity to play a central role in a high-profile data migration project, working closely with stakeholders across … transition of HR data into the new system environment. Key responsibilities will include: Data mapping and data modelling across legacy and target systems Data reconciliation and business validation activities Identifying and analysing data defects, errors and inconsistencies Supporting data remediation and cleansing activities Managing your own workload ...

.Net Windows Developer

Hiring Organisation
IT Talent Solutions Ltd
Location
Essex, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £50,000 per annum
Server expertise to help design, build, and modernise enterprise Windows applications and services. You’ll play a key role in refactoring legacy systems into modern .NET solutions while contributing to future cloud migration projects. What you’ll be doing: • Developing and maintaining Windows applications and services • Refactoring … Azure DevOps, CI/CD, Git, Visual Studio and secure coding practices • Strong problem-solving and communication skills If you’re passionate about modernising systems, delivering high-quality software, and working on impactful projects this could be the role for you. Hybrid Role – Two days a week onsite. ...

Senior Data Architect

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
business teams across the full lifecycle Engaging with stakeholders to translate business requirements into technical solutions Supporting data migrations from legacy systems to modern cloud environments YOUR SKILLS AND EXPERIENCE Proven experience as a Data Architect (not purely engineering-focused) Strong Financial Services experience (banking, capital markets ...

Snowflake Data Architect

Hiring Organisation
Adecco
Location
Wembley, London, United Kingdom
Employment Type
Permanent
Salary
£90000 - £95000/annum + perm benefits
delivering a modern enterprise data platform. This is an opportunity to join a business undergoing significant data transformation, moving from legacy systems and manual processes to a scalable, automated, cloud-first architecture. You will be responsible for defining architectural standards, driving best practices, and enabling engineering teams … Star Schema patterns, Snowflake object hierarchies, and governance frameworks. Design scalable integration architectures for legacy platforms, including AS400, iSeries, and SQL-based systems, ensuring robust reconciliation, auditability, and incremental data loading capabilities. Architect modern data pipelines leveraging Snowflake and orchestration technologies, ensuring reliability, scalability, idempotency, and effective ...

Principal Engineer - Search

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
Head of Engineering to define and deliver the next phase of our technology strategy. You’ll help lead transformation initiatives, modernise legacy systems, and enhance our search functionality — ensuring performance, scalability, and innovation across the platform. What you’ll be doing day to day Partner with … Product Engineering to define the technical strategy, architectural direction, and transformation roadmap. Lead the design and optimisation of search systems , ensuring relevance, scalability, and reliability. Oversee the evolution of existing systems — maintaining and refactoring C# codebases Champion engineering best practices across security, performance, testing, and continuous delivery. Provide ...

Senior Platform Architect - AWS / TypeScript

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Permanent
What You'll Be Doing Define and own the platform architecture strategy across multiple teams and regions Drive the transition from legacy systems to cloud-native architecture Ensure systems are scalable, resilient, and built for long-term growth Partner closely with engineers to embed modern development … platform is built and evolves Technology Environment Backend: TypeScript (Node.js) Frontend: JavaScript/React Cloud: AWS (containers, serverless, wider ecosystem) Architecture: Distributed systems, microservices, cloud-native design What They're Looking For Proven experience as a Platform/Solution Architect in modern cloud environments Strong background building scalable, distributed ...

Oracle Data Architect

Hiring Organisation
Focus on SAP
Location
East Midlands, England, United Kingdom
Cloud transformation programme . This is a senior, high-impact role focused on designing scalable data architectures, enabling seamless migration from legacy systems, and ensuring robust data governance across enterprise platforms. Key Responsibilities: Data Architecture & Strategy Define and lead the enterprise data architecture strategy for Oracle Fusion … domains Data Migration & Integration Lead data conversion and migration activities using: Oracle FBDI ADFdi HDL REST/SOAP APIs Map legacy data structures to Oracle Fusion data models Design and implement integrations using: Oracle Integration Cloud (OIC) Oracle Data Integrator (ODI) Oracle Fusion Data Intelligence (FDI) Governance & Data ...