1 to 25 of 278 Legacy Systems Jobs

Data Engineer

Hiring Organisation
Robert Walters
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
that is dedicated to transforming its customers data landscapes. This role offers the chance to play a pivotal part in migrating legacy systems to modern cloud-based solutions. Data Engineer - What will you be doing? * Leading the migration of existing legacy systems … data engineering function. Data Engineer - What will you need? * Candidate must be eligible for SC clearance.* Demonstrated experience migrating complex legacy systems into modern cloud-based environments using Kubernetes clusters.* Proven track record of preparing organisations for cloud adoption by assessing existing infrastructure and implementing readiness strategies. ...

Systems Analyst

Hiring Organisation
CPS Group (UK) Limited
Location
Farnborough, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £425/day
Systems Analyst (Financial Services) Role: Systems Analyst Specialism(s): Agile Working Model (AWM), User Stories, Backlogs, Project Lifecycle, Prince2/PMP, Legacy Systems, Financial Services Type: Contract, Daily Rate IR35 Determination: Inside IR35 Pay Rate: £350 - £425 per day Start: ASAP/Urgent Location: Farnborough … days on-site per week) Systems Analyst CPS Group UK are delighted to be working with a leading Financial Services organisation to appoint a seasoned Systems Analyst to join them on a 3-monthly rolling contract basis. The role is based at the client HQ in Farnborough ...

Lead Technical Architect

Hiring Organisation
DWP
Location
England, UK
Employment Type
Full-time
plus 28.97% employer pension contributions, hybrid working, flexible hours, and great work-life balance. Do you want to lead on the modernisation of systems that deliver billions of pounds in payments every week to citizens who rely on our support? As a Lead Technical Architect in DWP Payments … biggest payers in the UK, across benefits and pensions and we're modernising our payments estate. We are moving away from legacy systems and designing future proofed, event driven, API led architectures that are resilient, scalable and secure. You'll guide the technical strategy for major transformation ...

Lead Technical Architect

Hiring Organisation
DWP Digital
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
plus 28.97% employer pension contributions, hybrid working, flexible hours, and great work-life balance. Do you want to lead on the modernisation of systems that deliver billions of pounds in payments every week to citizens who rely on our support? As a Lead Technical Architect in DWP Payments … biggest payers in the UK, across benefits and pensions and we're modernising our payments estate. We are moving away from legacy systems and designing future-proofed, event-driven, API-led architectures that are resilient, scalable and secure. You'll guide the technical strategy for major transformation ...

Lead Technical Architect

Hiring Organisation
DWP Digital
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
plus 28.97% employer pension contributions, hybrid working, flexible hours, and great work-life balance. Do you want to lead on the modernisation of systems that deliver billions of pounds in payments every week to citizens who rely on our support? As a Lead Technical Architect in DWP Payments … biggest payers in the UK, across benefits and pensions and we're modernising our payments estate. We are moving away from legacy systems and designing future-proofed, event-driven, API-led architectures that are resilient, scalable and secure. You'll guide the technical strategy for major transformation ...

Lead Technical Architect

Hiring Organisation
DWP Digital
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
plus 28.97% employer pension contributions, hybrid working, flexible hours, and great work-life balance. Do you want to lead on the modernisation of systems that deliver billions of pounds in payments every week to citizens who rely on our support? As a Lead Technical Architect in DWP Payments … biggest payers in the UK, across benefits and pensions and we're modernising our payments estate. We are moving away from legacy systems and designing future-proofed, event-driven, API-led architectures that are resilient, scalable and secure. You'll guide the technical strategy for major transformation ...

Lead Technical Architect

Hiring Organisation
DWP Digital
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
plus 28.97% employer pension contributions, hybrid working, flexible hours, and great work-life balance. Do you want to lead on the modernisation of systems that deliver billions of pounds in payments every week to citizens who rely on our support? As a Lead Technical Architect in DWP Payments … biggest payers in the UK, across benefits and pensions and we're modernising our payments estate. We are moving away from legacy systems and designing future-proofed, event-driven, API-led architectures that are resilient, scalable and secure. You'll guide the technical strategy for major transformation ...

Systems Accountant

Hiring Organisation
Matchtech
Location
Harlow, Essex, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £700 per day
Systems Accountant - Process & Systems Transformation Day Rate: £500 - 700 DOE (umbrella) Contract Length: 12 months Location: Harlow (Hybrid - minimum 3 days onsite) Clearance: SC A leading organisation within the defence sector is seeking an experienced Systems Accountant to support a major finance systems transformation programme. This … high-profile change initiative. You'll join a dedicated Process & Transformation team, supporting data migration, ensuring system integrity, and strengthening the organisation's financial systems landscape. This role offers the chance to influence critical systems change and collaborate across multiple business areas. Key Responsibilities Support data migration from ...

Business System Analyst

Hiring Organisation
CPS Group (UK) Limited
Location
Farnborough, England, United Kingdom
Business Systems Analyst Role: Business Systems Analyst Specialism(s): Agile Working Model (AWM), User Stories, Backlogs, Project Lifecycle, Prince2/PMP, Legacy Systems, Financial Services Type: Contract, Daily Rate IR35 Determination: Inside IR35 Pay Rate: £350 - £425 per day Start: ASAP/Urgent Location: Farnborough … days on-site per week) Business Systems Analyst CPS Group UK are delighted to be working with a leading Financial Services organisation to appoint a seasoned Business Systems Analyst to join them on a 3-monthly rolling contract basis. The role is based at the client ...

PHP Developer

Hiring Organisation
Network IT
Location
Stourport-on-Severn, Worcestershire, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £45,000 per annum
modernisation initiatives. You will collaborate closely with internal teams to deliver new features, improve performance, and support the transition of legacy systems into more scalable, maintainable solutions.This is a hands-on role suited to someone who enjoys variety: maintaining what works today, and shaping the architecture … tomorrow. Key Responsibilities Develop, maintain, and enhance PHP-based applications, including a core legacy product. Support the evolution of legacy systems by modernising codebases, improving structure, and raising software quality. Work across the full development lifecycle: requirements, build, testing, deployment, and ongoing support. Collaborate with ...

Java Developer

Hiring Organisation
Network IT
Location
Stourport-on-Severn, Worcestershire, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £45,000 per annum
modernisation initiatives. You will collaborate closely with internal teams to deliver new features, improve performance, and support the transition of legacy systems into more scalable, maintainable solutions.This is a hands-on role suited to someone who enjoys variety: maintaining what works today, and shaping the architecture … tomorrow. Key Responsibilities Develop, maintain, and enhance PHP-based applications, including a core legacy product. Support the evolution of legacy systems by modernising codebases, improving structure, and raising software quality. Work across the full development lifecycle: requirements, build, testing, deployment, and ongoing support. Collaborate with ...

Principal Consultant

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
live trading. This is not a greenfield role. Success comes from adding value immediately within a large, demanding codebase — understanding existing Java and .NET systems well enough to reason about trade-offs, guide refactoring or selective rewrites, and make sound architectural decisions under pressure. The roadmap you produce … themselves. A strong candidate will actively embrace agentic AI tooling as a force multiplier — not just to accelerate development, but to rapidly comprehend unfamiliar systems, trace behaviour across services, uncover hidden dependencies, and validate architectural thinking. Combined with deep equities domain knowledge and experience building large-scale distributed systems ...

Managing Consultant/Senior Manager- Data & AI Architecture

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
.We ENABLE hybrid cloud transformation – You will implement modern hybrid data architectures (e.g. Snowflake, Redshift, BigQuery) and drive the migration of legacy systems to cloud-native solutions that unlock agility and performance.We INNOVATE with AI-driven data solutions – You will create Proof of Concepts and Minimum Viable … understanding of ETL/ELT processes and modern architecture patterns such as Data Mesh and Data Fabric.* Migration & Transformation: Experience migrating legacy systems to cloud-native data stores.* Consulting & Commercial Acumen – Strong background in advisory roles, project scoping, budgeting and managing complex stakeholder relationships.* SC Cleared/ ...

Head of Engineering

Hiring Organisation
Zeus® | AI-Powered Logistics
Location
London Area, United Kingdom
expertise and state-of-the-art technology. The Opportunity Zeus Labs is building the execution intelligence layer for enterprise logistics — AI that turns ERP systems and tables into self-optimising operations. You will own development and maintenance of the platform that compresses hours of manual coordination into an automated … driven consolidation, touching millions of shipments annually for large manufacturers and distributors moving goods across continents. This is a rare role: production-grade AI systems (LLMs + combinatorial optimisation models) meeting enterprise integration reality (SAP ECC/S4, legacy TMS/WMS, webhook chaos). You will ...

Mainframe Software Engineer

Hiring Organisation
Boots UK Limited
Location
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Employment Type
Permanent, Part Time
great if you also have: Experience with DL1/IMS technology Knowledge of Easytrieve Plus Knowledge of Assembler Experience working on legacy systems Experience of ensuring stability of legacy systems during modernisation Understanding of Retail and Supply Chain systems Experience managing small teams ...

Senior Data Engineer

Hiring Organisation
Matalan
Location
Liverpool, Merseyside, North West, United Kingdom
Employment Type
Permanent
efficient data ecosystem, playing a key part in bridging Data, IT Security, and Business Strategy. Youll lead the move away from legacy systems, embedding a modern lakehouse approach and ensuring our data operations are production-ready, governed, and built to scale. You will: Design and implement … lineage, and cataloguing tools Solid understanding of IT security principles (IAM, network controls, secure architecture) Experience leading large-scale migrations from legacy systems to cloud platforms The ability to translate complex technical challenges into clear, business-focused insights A passion for raising engineering standards and mentoring others ...

Staff Software Engineer (Java, Glasgow)

Hiring Organisation
LMA Recruitment
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
hub. This role is designed for a technical visionary capable of navigating large-scale enterprise environments while leading the transition from legacy systems to cloud-native, microservices-based architectures. As a Lead, you will bridge the gap between complex requirements and technical execution, taking direct responsibility … offshore development team of 20+ members, ensuring delivery excellence and code quality. Cloud Transformation: Lead the transition of hosting platforms from legacy systems to Kubernetes-based environments on GCP or AWS. Full-Stack Delivery: Architect and maintain robust, scalable applications using Java 17+ and Angular . Data ...

Interim Data Analyst (36 Month Contract)

Hiring Organisation
HR Employment Ltd
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Temporary
Salary
£45,000
implementation. This role is ideal for someone who enjoys variety, thrives in evolving environments, and is comfortable working with both legacy systems and modern BI tools. Please note that this role is fully on-site, and the client is unable to offer sponsorship. As this … real value to operational and commercial teams. ERP Data Migration & Master Data Support the ERP implementation team by mapping data from legacy systems into a new group-wide Sage 200 environment. Develop and run SQL scripts to extract, cleanse, validate, and prepare data for import. Collaborate with ...

SAP Cutover Manager

Hiring Organisation
Reed
Location
Greater Manchester, Lancashire, England, United Kingdom
Employment Type
Temporary
Salary
£450 - £500 per day, Inc benefits
contingency planning. Collaborate with the data migration team to track data quality, reconciliation, validation, and transformation activities. Ensure readiness of legacy systems, interfaces, SAP environments, and interfaces for the cutover. Manage mock cutovers, dry runs, and dress rehearsals to identify gaps and mitigate risks. Facilitate and chair … live. Cutover Manager, Project Manager, SAP ERP Transformation, Data migration, Integration, Cutover workstream, Success Factors, S/4 HANA, ERP implementations, Legacy systems, SAP Activate methodology, Public Sector, Change management, Business readiness, ERP go-live. In the first instance, please submit your CV. ...

Data Engineer

Hiring Organisation
Big Red Recruitment Midlands Limited
Location
Huddersfield, West Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£55000 - £60000/annum
organisation that operates across a portfolio of well-known brands, delivering at scale within a complex distribution environment. With deeply integrated ERP and finance systems, the business is now undergoing a significant shift in how it uses data. Following recent system changes, there is a clear focus on modernising … repeatable blueprint that can be rolled out across multiple business units, playing a key role in the transition away from legacy systems to a clean, future-ready data platform. What you will be doing: You will take ownership of building and maintaining robust data pipelines within Azure ...

Python Developer SC - Contract 6M

Hiring Organisation
Rising Associates Ltd
Location
Hemel Hempstead, Hertfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£500 per day
Outside IR35 Were looking for a hands-on Python Developer to join a high-performing team delivering modern applications and migrating legacy systems into scalable, web-based solutions. This is a fast-paced, delivery-focused role where youll work alongside experienced engineers on real-world, high-impact … Linux environments A proactive, problem-solving mindset Opportunity to gain: Front-end exposure (React/Vue), testing (pytest), or experience modernising legacy systems ...

Python Developer

Hiring Organisation
Rising Associates
Location
Hemel Hempstead, England, United Kingdom
IR35 We’re looking for a hands-on Python Developer to join a high-performing team delivering modern applications and migrating legacy systems into scalable, web-based solutions. This is a fast-paced, delivery-focused role where you’ll work alongside experienced engineers on real-world, high … Linux environments A proactive, problem-solving mindset Opportunity to gain: Front-end exposure (React/Vue), testing (pytest), or experience modernising legacy systems ...

Data Engineer

Hiring Organisation
Robert Walters
Location
Peterborough, Cambridgeshire, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
optimisation of data pipelines. Data Engineer - What will you be doing? * Collaborating with team members to migrate existing data pipelines from legacy systems to the new Databricks platform.* Supporting the ongoing build-out of the Databricks environment by developing robust, scalable data solutions that meet current … optimising ETL/ELT pipelines using modern tools and technologies is essential for success.* Familiarity with managing dual environments involving both legacy systems (such as on-premise databases) and contemporary cloud solutions is beneficial.* Strong problem-solving skills combined with an analytical mindset enable you to address ...

Supply Chain Lead - Oracle

Hiring Organisation
Manpower
Location
Southampton, UK
Employment Type
Full-time
rate We are seeking an experienced Supply Chain Lead to drive the end-to-end transition of Procurement processes from legacy systems into Oracle. This is a key contract role supporting a major ERP transformation programme, requiring strong functional expertise and hands-on delivery capability. The Role … solution design, workflow development, process implementation, stakeholder engagement, and training delivery. Key Responsibilities Lead the transition of Procurement activities from legacy systems to Oracle Support all Procurement-related elements of the wider ERP migration programme Design, own and maintain the Procurement data strategy, ensuring data integrity throughout ...

Supply Chain Lead - Oracle

Hiring Organisation
Manpower
Location
Farnborough, Hampshire, South East, United Kingdom
Employment Type
Contract
rate We are seeking an experienced Supply Chain Lead to drive the end-to-end transition of Procurement processes from legacy systems into Oracle. This is a key contract role supporting a major ERP transformation programme, requiring strong functional expertise and hands-on delivery capability. The Role … solution design, workflow development, process implementation, stakeholder engagement, and training delivery. Key Responsibilities Lead the transition of Procurement activities from legacy systems to Oracle Support all Procurement-related elements of the wider ERP migration programme Design, own and maintain the Procurement data strategy, ensuring data integrity throughout ...