1 to 25 of 31 Remote/Hybrid Legacy Systems Jobs in the South East

Principal Engineer

Hiring Organisation
Addition
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
advanced containerisation initiatives and improving the developer experience across the organisation. We’re particularly interested in engineers with deep experience modernising legacy systems, integrating CI/CD pipelines and mentoring senior technical teams. The Opportunity As Principal Engineer, you’ll lead pivotal engineering initiatives focused on making … complex Java estate fully containerisable. You’ll use your technical expertise to replatform, refactor and rebuild legacy systems, ensuring they integrate effectively with modern developer tooling and CI/CD pipelines. Alongside hands-on technical delivery, you’ll provide leadership and mentorship to senior engineers while promoting ...

IT Manager, Fashion Retail (Business Applications)

Location
Slough, England, United Kingdom
will lead the delivery of business-critical applications while supporting a major ERP transformation programme. You'll oversee the transition from legacy systems to a new ERP platform, ensuring business continuity throughout the migration. Managing a team of application specialists, you'll coordinate testing, training and data … applications such as ERP, WMS and OMS. You'll be a confident people leader with strong stakeholder management skills, a solid understanding of enterprise systems, integrations and data governance, and experience managing multiple projects simultaneously. Knowledge of Oracle Retail would be highly advantageous, as would experience supporting legacy ...

Technology Solutions Lead

Location
Selsey, England, United Kingdom
responsible for identifying, designing, developing and implementing technology solutions that support the organisation's strategic objectives. This role combines software development, solution architecture, systems integration and technology innovation. The postholder will lead the design and delivery of business applications, databases, record management systems, automation solutions and cloud‐based … whilst maintaining awareness of emerging technologies and industry best practice. The Technology Solutions Lead will play a key role in modernising legacy systems and delivering future‐state digital platforms across the Microsoft ecosystem, including Azure, Microsoft 365, SharePoint, Teams, Fabric, Purview and AI‐enabled technologies. The role ...

Senior Software Developer

Hiring Organisation
Young's Employment Services Ltd
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £75,000 per annum, Negotiable
Developer - Cloud Platform & AI We're recruiting for a Senior Software Developer to join a small, highly capable technology team delivering a major legacy-to-cloud transformation. The business is moving its core booking platform to an Azure and modern .NET solution, while also building an AI-powered … Blazor experience. Strong Azure experience, including App Service or Container Apps, Azure SQL, API Management and Azure DevOps pipelines. Experience modernising legacy systems, ideally using strangler-fig or similar incremental migration approaches. Good understanding of REST API design, microservices and event-driven architecture patterns. Practical ...

CLOUD INFRASTRUCTURE ARCHITECT

Hiring Organisation
Sanderson Recruitment
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent
client as they embark on one of the most significant technology transformation programmes in their history. As part of a move away from legacy Oracle platforms towards a modern SaaS-first ecosystem, we're looking for a Cloud Infrastructure Architect to help define the future cloud strategy … Join? This is a unique opportunity to join us during a pivotal period of change. The organisation is replacing longstanding legacy systems, investing in market-leading SaaS platforms, implementing Snowflake as its strategic data platform, exploring AI use cases through Snowflake Cortex, and preparing for a major ...

Senior Java Developer

Hiring Organisation
Halian Technology Limited
Location
Bracknell, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
trusted technology partner to major NHS Trusts , with its platform now widely used by clinicians across the UK. Replacing outdated legacy systems with intuitive, user-centric tools, they are improving how healthcare teams operate and ultimately enhancing patient outcomes. With multiple industry awards , major contracts secured … platform and wider engineering function. Youll join a high-performing team of 20+ engineers , working on a mix of greenfield and evolving systems , contributing across a full-stack, microservices architecture . This is more than just a coding role its an opportunity to build technology that directly improves lives ...

Payroll Data Lead

Hiring Organisation
Primark
Location
Reading, England, United Kingdom
incumbent payroll provider to a new provider. You’ll lead the payroll data workstream, ensuring accurate extraction, mapping, cleansing, validation, and migration across multiple systems including Workday, UKG, and the new payroll platform. Key Responsibilities Data migration leadership — Own the payroll data migration strategy, plans, timelines, and delivery. Data … analysis & cleansing — Perform detailed validation, reconciliation, and quality checks. Data mapping — Map data between legacy systems, UKG, Workday, and the new provider. Migration cycles — Execute mock migrations, testing cycles, and final cutover. Issue resolution — Identify and resolve data discrepancies and risks. Testing support — Support UAT, parallel runs ...

Java Developer

Hiring Organisation
Halian Technology Limited
Location
Bracknell, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
trusted technology partner to major NHS Trusts , with its platform now widely used by clinicians across the UK. Replacing outdated legacy systems with intuitive, user-centric tools, they are improving how healthcare teams operate and ultimately enhancing patient outcomes. With multiple industry awards , major contracts secured … platform and wider engineering function. Youll join a high-performing team of 20+ engineers , working on a mix of greenfield and evolving systems , contributing across a full-stack, microservices architecture . This is more than just a coding role its an opportunity to build technology that directly improves lives ...

Systems Analyst

Hiring Organisation
Anson Mccade
Location
Farnborough, Hampshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£485 per day
Systems Analyst Location : West London/Hampshire area - Hybrid Salary : £485 per day Inside IR35 We are seeking an experienced Systems Analyst to support a major Data Migration project within a leading Consultancy assisting on a Data migration project. Key Responsibilities as a Systems Analyst Support product … SaaS solutions. Support Operational Readiness and post-Go Live processes. Support functional and non-functional SaaS configuration. Develop requirements and solutions through detailed systems and business analysis. Support system design and development across internal teams and external vendors. Lead Systems Integration Testing and support User Acceptance Testing. Support ...

Solutions Architect - HYBRID / REMOTE

Hiring Organisation
Proactive Appointments
Location
Surrey, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £95,000 per annum
Provide architectural assurance, risk management and technical leadership. Influence senior stakeholders and communicate complex technical decisions effectively. Support technology strategy, platform modernisation and legacy system retirement. Lead technology evaluations, RFI/RFP processes and supplier assurance. Mentor and provide technical leadership to other architects. Key experience: Senior-level ...

Senior Software Engineer, Android

Hiring Organisation
Halian Technology Limited
Location
Bracknell, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
trusted technology partner to major NHS Trusts, with its platform now widely used by clinicians across the UK. Replacing outdated legacy systems with intuitive, user-centric tools, they are improving how healthcare teams operate and ultimately enhancing patient outcomes. With multiple industry awards, major contracts secured ...

Mobile Developer iOS and Android

Hiring Organisation
Halian Technology Limited
Location
Bracknell, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
trusted technology partner to major NHS Trusts, with its platform now widely used by clinicians across the UK. Replacing outdated legacy systems with intuitive, user-centric tools, they are improving how healthcare teams operate and ultimately enhancing patient outcomes. With multiple industry awards, major contracts secured ...

Head of Finance AI Transformation | Logistics Tech Scale-up

Hiring Organisation
Harmonic Group Ltd
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £150,000 per annum
finance function from first principles: own how finance operates in an AI-native, high-growth company, not as an improvement on legacy systems, but as a definition of the default state. Rebuild core processes (record to report, procure to pay, order to cash, FP&A) to eliminate … outcomes leadership needs: reduce time to close, time to forecast and time to decision. Give leadership real-time, high-quality financial insight, and build systems that scale to £100m+ revenue without breaking. Who Will Thrive In This Role You've built or redesigned finance systems and operating models ...

Senior Principal Programmer (UK)

Hiring Organisation
UCB Group
Location
Reading, Berkshire, UK
Employment Type
Full-time
study teams can begin work in a ready and reliable environment. You will support programming teams during onboarding, transition from legacy systems, and ongoing operations as a first-line technical contact. You will improve lifecycle management and workflows by documenting processes, supporting validation activities, and automating practical … understand SDLC, validation, audit readiness, and compliant configuration expectations. You can communicate clearly with technical teams and business stakeholders, while tracking setup processes across systems and teams. You bring practical experience with tools such as Domino Data Lab, SAS, R, Git, Azure DevOps, VS Code, or SAS Studio. ...

Business Analyst - Commodities, Platform, Process

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£550.00 - £650.00 per day
Platform, Process A leading global organisation operating within complex physical market and trading environments is seeking a Business Analyst to join its Transformation and Systems function.This role will support the delivery of a significant strategic transformation programme, focusing on both the implementation of a new strategic platform … Improvement, Change or Transformation roles - max experience up to 7-8 years Experience within Commodities is a must Experience working with legacy systems Platformmigration experience Financial services experience Experience gathering and documenting business requirements, process maps, and stakeholder needs. Good understanding of operational process ...

Senior Engineering Manager: Platform & Cloud Transformation

Location
Guildford, England, United Kingdom
role includes owning and building a DevOps function, leading both a software engineering and operations team, and guiding migration from legacy systems to a modern cloud stack. You’ll own incident management, deployment practices, and BAU product development, while coordinating with CTO and peers to split ...

Front End Developer - React, RxJS, Typescript, Websockets, EDA

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£700.00 - £800.00 per day
Event Driven Development (EDA) t o join a small, collaborative team responsible for building a modern trading application to replace an existing legacy system Details Location - London Hybrid - 3 days/week in office Duration - Initially 6 months with a strong possibility of extension Rate - £700-£800/ ...

Principal Product Strategist - UX/UI M/F

Location
Brighton, England, United Kingdom
critical role in shaping the future of our design function. In this role you will be responsible for modernizing our user experience, unifying legacy and modern front-end technologies, and establishing a scalable design framework that ensures a consistent experience across our applications. This role reports directly into … Define and lead the UI/UX design strategy across all digital products. Create a unified design framework that bridges legacy systems with modern front-end architecture. Establish long-term design principles and governance for product development. Identify and implement the “design glue” that connects legacy ...

Data Analyst - SAP Success Factors

Location
Reading, England, United Kingdom
Pertemps Thames Water, is a full-time contract paying £400 daily. This role supports existing People Analytics reporting and the shift toward SuccessFactors-based systems, preserving historical output while building new capabilities. Responsibilities include gathering HR reporting requirements from stakeholders and developing interactive Story Reports. Strong expertise … complex information into actionable insights, ensuring continuity of legacy reporting and advancing analytics functions. This contract suits an analyst experienced in HR systems and modern visualisation tools. We are seeking a talented and highly motivated Data Analyst with experience of SAP Success Factors to join our dynamic ...

Data Analyst - SAP Success Factors

Hiring Organisation
Pertemps Thames Water
Location
Reading, Berkshire, United Kingdom
Employment Type
Permanent
Salary
GBP 400 Daily
drill-down functionality. Support SuccessFactors data mapping, migration, validation and testing activities. Support integration of SuccessFactors data with existing Power BI reporting and legacy HR data to maintain historical trend analysis. Ensure data quality, accuracy and consistency across reporting solutions. Support reporting through SuccessFactors implementation, go-live … SuccessFactors reporting and HR data . Experience with SuccessFactors data mapping, validation, migration and testing . Experience supporting reporting across legacy HR systems and SuccessFactors . Experience with Power BI RLS . Strong understanding of data modelling, data quality and SQL database principles. Excellent analytical, problem-solving ...

Data Engineering Lead

Hiring Organisation
Eutopia Solutions Limited
Location
Andover, Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
Previous team leadership or mentoring experience Strong understanding of data architecture, engineering best practices, and data quality Comfortable working with legacy source systems and improving data reliability Able to communicate effectively with both technical and business stakeholders Why Apply? Newly created role with significant ownership and influence ...

Remote Solutions Consultant (SaaS & Implementation)

Location
Maidstone, England, United Kingdom
solutions, working remotely within the UK. You will partner with Strategic Account Managers, develop value-driven demo strategies, coordinate migrations from legacy systems, and help deliver scalable services across offices and overseas projects. #J-18808-Ljbffr ...

Pro*C programmer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
looking for a Pro*C programmers to join a long term programme for one of key clients. Our clients Legacy Bespoke Prize Draw System to enable it to be developed to expand the number of Prizes it can process. You will working as part of a Project team ...

Enterprise Data Architect

Hiring Organisation
Randstad Digital
Location
Burgess Hill, West Sussex, South East, United Kingdom
Employment Type
Permanent
Salary
£85,000
looking for a strategic technical leader to drive a large-scale financial services transformation, bridging the gap between legacy relational systems and modern distributed data ecosystems. What You Will Do: Architect, design, and document enterprise data structures (Domain, Conceptual, Logical, and Physical models). Build scalable, high ...

Senior Data PM for Pensions & Data Quality (Remote)

Location
Maidstone, England, United Kingdom
platforms and drive production fixes. The role requires delivering automated data revisions and strategies for records spanning legacy and target systems, with hands-on SQL literacy and comfort delivering through teams you don’t own. #J-18808-Ljbffr ...