26 to 50 of 114 Legacy Systems Jobs in the South East

Perl Software Developer

Hiring Organisation
Certain Advantage
Location
Stevenage, Hertfordshire, South East, United Kingdom
Employment Type
Temporary
initial 6-month contract basis. The company: Were working with a leading defence and aerospace organization that designs, develops, and delivers advanced missile systems and related technologies. It supports national and allied armed forces with cutting-edge, integrated solutions across air, land, and sea domains. The role: Code technical … publication stylesheets using PERL language Develop database solutions to store and retrieve company information Install and configure information systems to ensure functionality Analysing, planning, and defining data architecture framework, including security, reference data, metadata, and master data Migrate data from legacy systems to new solutions Improve ...

Senior Project Manager

Hiring Organisation
Reed
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £525 per day, Inc benefits
team on a key technology project. This role involves significant stakeholder engagement and the coordination of multiple project streams to replace legacy systems and streamline processes. Day-to-day of the role: Lead the delivery of the project which involves replacing legacy indoor workload tools ...

Senior Data Engineer

Hiring Organisation
Tenth Revolution Group
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum
warehouses, and ETL/ELT processes. Designing scalable data solutions and models for reporting in Power BI. Supporting data migration from legacy systems into the new platform. Ensuring data models are optimised for performance and reusability. To be successful in this role, you will have: Hands ...

Senior Data Engineer

Hiring Organisation
Tenth Revolution Group
Location
Havant, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum
warehouses, and ETL/ELT processes. Designing scalable data solutions and models for reporting in Power BI. Supporting data migration from legacy systems into the new platform. Ensuring data models are optimised for performance and reusability. To be successful in this role, you will have: Hands ...

Senior PHP Developer

Hiring Organisation
FuseMetrix Group Ltd
Location
Milton Keynes, England, United Kingdom
priorities evolve Able to work from our Milton Keynes office Nice to have Server administration experience (Linux, deployments, monitoring) Experience with legacy systems and refactoring SaaS or high-transaction systems background Experience working with booking systems or the leisure sector Salary & benefits ...

CRM Solution Architect

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £650 per day
Microsoft Dynamics, Bloomreach and Hightouch. Key Responsibilities: Define and lead the solution design and architecture for CRM, Customer Data Platform (CDP), and marketing technology systems Manage and ensure smooth data migration from legacy systems Collaborate with external implementation partners and internal stakeholders including Sales, Service, Membership ...

Sage Intacct Consultant

Hiring Organisation
Robert Half
Location
Southampton, UK
Employment Type
Full-time
Seeking a skilled Sage Intacct Consultant to assist with the implementation, configuration, and data migration of the Sage platform as part of an ongoing systems transformation project. This role will bridge the gap between IT operations and business users, ensuring a smooth transition to the new environment. Role … business, working closely with internal stakeholders and external vendors. Assist in data migration activities — cleansing, mapping, validation, and import from legacy systems into Sage. Provide technical and user support, troubleshooting issues during implementation and post-go-live. Work with IT and Finance teams to ensure system integrations ...

Sage Intacct Consultant

Hiring Organisation
Robert Half
Location
Woking, Surrey, UK
Employment Type
Full-time
Seeking a skilled Sage Intacct Consultant to assist with the implementation, configuration, and data migration of the Sage platform as part of an ongoing systems transformation project. This role will bridge the gap between IT operations and business users, ensuring a smooth transition to the new environment. Role … business, working closely with internal stakeholders and external vendors. Assist in data migration activities — cleansing, mapping, validation, and import from legacy systems into Sage. Provide technical and user support, troubleshooting issues during implementation and post-go-live. Work with IT and Finance teams to ensure system integrations ...

Sage Intacct Consultant

Hiring Organisation
Robert Half
Location
Basingstoke, Hampshire, UK
Employment Type
Full-time
Seeking a skilled Sage Intacct Consultant to assist with the implementation, configuration, and data migration of the Sage platform as part of an ongoing systems transformation project. This role will bridge the gap between IT operations and business users, ensuring a smooth transition to the new environment. Role … business, working closely with internal stakeholders and external vendors. Assist in data migration activities — cleansing, mapping, validation, and import from legacy systems into Sage. Provide technical and user support, troubleshooting issues during implementation and post-go-live. Work with IT and Finance teams to ensure system integrations ...

Sage Intacct Consultant

Hiring Organisation
Robert Half
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
Seeking a skilled Sage Intacct Consultant to assist with the implementation, configuration, and data migration of the Sage platform as part of an ongoing systems transformation project. This role will bridge the gap between IT operations and business users, ensuring a smooth transition to the new environment. Role … business, working closely with internal stakeholders and external vendors. Assist in data migration activities — cleansing, mapping, validation, and import from legacy systems into Sage. Provide technical and user support, troubleshooting issues during implementation and post-go-live. Work with IT and Finance teams to ensure system integrations ...

Senior Platform Engineer - Hedge Fund

Hiring Organisation
Orbis Group
Location
Maidstone, Kent, UK
Employment Type
Full-time
data centres and cloud environments. Key focus areas include: Leading the migration from Nomad to Kubernetes across a hybrid infrastructure environment Designing highly available systems that support real-time trading operations Expanding the firm's cloud footprint (AWS/Azure/GCP) while maintaining on-prem capabilities Owning projects … from design through production What you'll need: Production experience with Kubernetes (EKS/AKS/GKE or bare-metal) Strong Linux systems background; Windows experience is beneficial Track record delivering cloud migrations and managing hybrid environments Experience supporting mission-critical, highly available systems What makes this different ...

Senior Platform Engineer - Hedge Fund

Hiring Organisation
Orbis Group
Location
Guildford, Surrey, UK
Employment Type
Full-time
data centres and cloud environments. Key focus areas include: Leading the migration from Nomad to Kubernetes across a hybrid infrastructure environment Designing highly available systems that support real-time trading operations Expanding the firm's cloud footprint (AWS/Azure/GCP) while maintaining on-prem capabilities Owning projects … from design through production What you'll need: Production experience with Kubernetes (EKS/AKS/GKE or bare-metal) Strong Linux systems background; Windows experience is beneficial Track record delivering cloud migrations and managing hybrid environments Experience supporting mission-critical, highly available systems What makes this different ...

Senior Platform Engineer - Hedge Fund

Hiring Organisation
Orbis Group
Location
Brighton, East Sussex, UK
Employment Type
Full-time
data centres and cloud environments. Key focus areas include: Leading the migration from Nomad to Kubernetes across a hybrid infrastructure environment Designing highly available systems that support real-time trading operations Expanding the firm's cloud footprint (AWS/Azure/GCP) while maintaining on-prem capabilities Owning projects … from design through production What you'll need: Production experience with Kubernetes (EKS/AKS/GKE or bare-metal) Strong Linux systems background; Windows experience is beneficial Track record delivering cloud migrations and managing hybrid environments Experience supporting mission-critical, highly available systems What makes this different ...

Salesforce/ CRM Business Analyst

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
will work within a delivery squad, collaborating closely with stakeholders, product owners, and technical teams to enable seamless migration from legacy systems and drive adoption of Salesforce across the organisation. Key Responsibilities: Engage with business stakeholders to gather, validate, and prioritise requirements. Analyse existing processes and identify ...

Technical Lead (Perm, UK, Remote + Travel)

Hiring Organisation
Nearform
Location
Maidstone, Kent, UK
Employment Type
Full-time
world's most complex digital problems, along with our collaborative, people-first approach, enables enterprises to build breakthrough products and modernise legacy systems by unleashing the power of AI. Today, our team of 500 experts in 20+ countries is trusted by leading enterprises including Lululemon, Puma ...

Technical Lead (Perm, UK, Remote + Travel)

Hiring Organisation
Nearform
Location
Portsmouth, Hampshire, UK
Employment Type
Full-time
world's most complex digital problems, along with our collaborative, people-first approach, enables enterprises to build breakthrough products and modernise legacy systems by unleashing the power of AI. Today, our team of 500 experts in 20+ countries is trusted by leading enterprises including Lululemon, Puma ...

Senior Front End Engineer (CMS)

Hiring Organisation
Avanti
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £75,000 per annum
Shoreditch studio, two days remote Type: Full-time, permanent Start date: ASAP Are you a senior front-end engineer who loves solving problems, improving systems, and bringing order to fast-paced agency workflows? This role blends hands-on front-end development with DevOps, infrastructure, and CMS expertise to create … Front-end engineering • CMS implementation (CraftCMS or similar headless CMS) • DevOps, infrastructure, and deployment pipelines Around 60% of your time will be spent modernising systems, optimising deployments, managing servers and improving workflows. The remaining 40% will be hands-on front-end engineering, building elegant digital experiences in collaboration with ...

Perl Developer

Hiring Organisation
Click Digital
Location
South East, United Kingdom
Employment Type
Contract
Contract Rate
£84/hour Umbrella
coding domain languages. Responsibilities Code technical publication stylesheets using PERL language Develop database solutions to store and retrieve company information Install and configure information systems to ensure functionality Analysing, planning, and defining data architecture framework, including security, reference data, metadata, and master data Migrate data from Legacy systems to new solutions Improve system performance by conducting tests, troubleshooting and integrating new elements Optimize new and current database systems Define security and backup procedures Collaborating with other teams within the organisation to devise and implement data strategies, build models, and assess shareholder needs ...

Digital Delivery Mananger - Fixed Term

Hiring Organisation
RSPB
Location
Sandy, Bedfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£40,000
with potential extensions Hours : Full-time, 37.5 hours per week Salary : £39,205.00 - £41,856.00 Per Annum Benefits : Holiday, Pension, Life Assurance Modernise legacy systems. Deliver with precision. Make an impact! About the Role We are seeking an experienced Digital Delivery Manager to lead the delivery … make a real difference for nature and people. Our teams are collaborative, innovative, and committed to delivering impact. Ready to modernise legacy systems and deliver with impact? Apply today and help us build the technology that powers conservation. Closing date: 23:59, Fri, 19th ...

Digital Delivery Mananger - Fixed Term

Hiring Organisation
RSPB
Location
Heathfield, East Sussex, UK
Employment Type
Full-time
with potential extensions Hours : Full-time, 37.5 hours per week Salary : £39,205.00 - £41,856.00 Per Annum Benefits : Holiday, Pension, Life Assurance Modernise legacy systems. Deliver with precision. Make an impact! About the Role We are seeking an experienced Digital Delivery Manager to lead the delivery … make a real difference for nature and people. Our teams are collaborative, innovative, and committed to delivering impact. Ready to modernise legacy systems and deliver with impact? Apply today and help us build the technology that powers conservation. Closing date: 23:59, Fri, 19th ...

Typescript Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £560 per day
TypeScript Engineer to help shape the services and tooling behind this transformation. The team's mission is to replace legacy systems with clean, event-driven services and provide consistent, reliable data to applications across the business - from customer-facing products to operational systems. The Role … background workers, and microservices. Ability to work with SQL or NoSQL databases and understand how to model and query data effectively. Familiarity with distributed systems concepts such as event sourcing, resilience patterns, and asynchronous communication. Experience with containerised development (Docker) and deploying cloud-native applications (Azure ...

Full Stack Engineer

Hiring Organisation
Langham Recruitment
Location
Dartford, Kent, UK
Employment Type
Full-time
Software Developer, you'll be part of a dynamic team building and enhancing innovative applications. You'll contribute to modernising legacy systems, scaling core products, and improving overall software quality. Your role will involve: Developing and maintaining backend services using C#, .NET Framework 4.7+, and .NET 6+ ...

Full Stack Engineer

Hiring Organisation
Langham Recruitment
Location
Basingstoke, Hampshire, UK
Employment Type
Full-time
Software Developer, you'll be part of a dynamic team building and enhancing innovative applications. You'll contribute to modernising legacy systems, scaling core products, and improving overall software quality. Your role will involve: Developing and maintaining backend services using C#, .NET Framework 4.7+, and .NET 6+ ...

Full Stack Engineer

Hiring Organisation
Langham Recruitment
Location
Milton Keynes, Buckinghamshire, UK
Employment Type
Full-time
Software Developer, you'll be part of a dynamic team building and enhancing innovative applications. You'll contribute to modernising legacy systems, scaling core products, and improving overall software quality. Your role will involve: Developing and maintaining backend services using C#, .NET Framework 4.7+, and .NET 6+ ...

PERL Software Developer

Hiring Organisation
Certain Advantage
Location
Stevenage, Hertfordshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£77 - £84 per hour, Benefits Overtime Rate
coding domain languages. Responsibilities: Code technical publication stylesheets using PERL language Develop database solutions to store and retrieve company information Install and configure information systems to ensure functionality Analysing, planning, and defining data architecture framework, including security, reference data, metadata, and master data Migrate data from legacy systems to new solutions Improve system performance by conducting tests, troubleshooting and integrating new elements Optimize new and current database systems Define security and backup procedures Collaborating with other teams within the organisation to devise and implement data strategies, build models, and assess shareholder needs ...