9 of 9 Legacy Systems Jobs in the Thames Valley

Senior SAP S/4HANA Data Migration Consultant

Hiring Organisation
Unipart
Location
Oxford, Oxfordshire, South East, United Kingdom
Employment Type
Permanent
migration strategies for complex enterprise SAP S/4HANA transformation projects. Youll bridge the gap between functional business requirements and technical implementation, ensuring legacy data is cleansed, mapped, transformed, and seamlessly migrated into the S/4HANA environment with zero compromise on data integrity, governance, or business continuity. … deep understanding of S/4HANA unified data models (Universal Journal/ACDOCA, BP Model). Experience migrating data from diverse legacy systems (SAP ECC, Oracle, Salesforce, legacy mainframe/ERP systems). Bachelors degree in Computer Science, Information Technology, Business Information Systems ...

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 Replacing outdated legacy systems with intuitive, user-centric tools, they are improving how healthcare teams operate and ultimately enhancing patient outcomes.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 ...

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 Replacing outdated legacy systems with intuitive, user-centric tools, they are improving how healthcare teams operate and ultimately enhancing patient outcomes.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 ...

Senior Software Engineer - Rock Physics Applications

Hiring Organisation
Halliburton
Location
Abingdon, Oxfordshire, UK
Employment Type
Full-time
desktop and cloud applications using modern software engineering practices (design patterns, SOLID principles, automated testing, continuous integration/delivery). Modernize legacy systems — Lead migration of mature C/C++ codebases to modern languages, runtimes, and UI/UX frameworks while preserving scientific accuracy and performance. Leverage … control (Git), and code review workflows. Hands-on CI/CD experience — building, configuring, or maintaining automated build and deployment pipelines. Experience modernizing legacy software — migrating codebases from older languages or frameworks to current platforms, including UI/UX modernization. Self-motivated and collaborative; thrives in a team ...

Data Architect

Hiring Organisation
Tria
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £730/day
year technology modernisation programme, backed by substantial investment and strong support from the leadership team. The business is moving away from legacy systems and investing heavily in modern architecture, cloud technologies, automation and better use of its data. With the initial discovery phase complete, the programme … What you'll be doing Defining and evolving the organisation's data architecture as part of a wider technology transformation. Assessing existing data platforms, systems and integration patterns, identifying opportunities for modernisation. Designing scalable, secure and well-governed data architectures that support future business requirements. Working closely with enterprise ...

S/4 Cutover Manager

Hiring Organisation
Unipart
Location
Oxford, Oxfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£85,000
cutover, cutover, and post-cutover activities across business, technical, data, infrastructure, and third-party vendor streams, transitioning the organisation smoothly from legacy systems to SAP S/4HANA with minimal business disruption and managed risk. As part of your key responsibilities, youll: Formulate ...

Software Engineer (6-Month Contract)

Hiring Organisation
Connells Group HQ
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Full-Time
Salary
£500.00 - £600.00 per day
digital customer experiences, data migration and reusable enterprise integration capabilities. As a Contract Software Engineer, you will develop, support and enhance the business systems and applications using Azure, .NET and SQL Server. Working within the Prometheus, you will design, build, test and enhance secure, maintainable software and integration capabilities …/Agile development methodologies Strong knowledge of object-oriented design Highly Desirable: Experience with concurrent programming techniques, parallelism, and threading Experience working with distributed systems and microservice architectures Experience with high-scalability projects Experience developing front-end applications using React Experience with Github Experience building and integrating APIs ...

Senior PLM Analyst

Hiring Organisation
YASA
Location
Ambrosden, Oxfordshire, UK
Employment Type
Full-time
other protected characteristic. About the roleThe Senior PLM Analyst will define and lead the development and deployment of our Siemens NX CAD and PLM systems as well as looking after our legacy systems. What you'll doOwn the Day-to-day management of the Siemens … systems. Skills & ExperienceRequired:5+ years of specialised experience; proven track record of project ownership. You will need a good fundamental understanding of PLM systems, in an automotive background, (or similar) and data managementExperience using Teamcenter B.M.I.D.E and advanced workflow design, attribute mapping and knowledge of Siemens AWCExperience setting ...

Dynamics 365 Architect

Hiring Organisation
Tria
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £730/day
This is much more than a straightforward Dynamics implementation. You'll have the opportunity to influence how CRM, web applications, integrations and wider business systems fit together as the organisation evolves its technology estate. What you'll be doing Owning and evolving solution architecture across Dynamics 365 Customer Engagement … modernisation. Designing solutions across Dynamics 365, Power Platform, web applications and integrated systems. Assessing legacy application architecture and helping define how systems should be modernised, replaced or integrated. Working alongside enterprise architects, business stakeholders and external delivery partners. Providing architectural oversight, challenging technical designs and ensuring solutions ...