10 of 10 Legacy Systems Jobs in the Thames Valley

Associate Director - IT and Digital Transformation

Hiring Organisation
Principal Medical Limited
Location
Bicester, OX26 3HA, United Kingdom
Salary
£90000.00
summary The role is responsible for shaping and delivering a unified digital and innovation strategy, modernising legacy systems, and embedding a culture of digital excellence across the organisation. The role will ensure strong governance, cyber security, risk management, and supplier partnerships, while aligning IT investment to organisational … delivery of a robust technology strategy and enabling organisation-wide digital transformation. The postholder will oversee IT operations, digital services, and business intelligence, ensuring systems and infrastructure in place to support efficient, high-quality, and sustainable patient services. About us PML is a successful not-for-profit ...

Senior .NET Developer (Winforms migration)

Hiring Organisation
Avanti Recruitment
Location
SL0, Iver Heath, Buckinghamshire, United Kingdom
Employment Type
Permanent
Salary
£75000 - £85000/annum
Avanti Recruitment is working with a growing, technology-led business based in Slough, that is undergoing a major systems transformation. As part of this programme, they are looking to hire a Senior .NET/C# Developer to play a key role in evolving a large-scale legacy … projects Agile environments CI/CD practices Testing experience (TDD is a bonus) Exposure to cloud (AWS preferred) Desirable: Experience migrating legacy systems React or JavaScript exposure Experience introducing testing, deployment improvements or modern engineering practices into existing systems would be highly advantageous. AI Exposure/ ...

Senior .NET Developer

Hiring Organisation
Avanti Recruitment
Location
SL0, Iver Heath, Buckinghamshire, United Kingdom
Employment Type
Permanent
Salary
£75000 - £85000/annum
Avanti Recruitment is working with a growing, technology-led business based in Slough, that is undergoing a major systems transformation. As part of this programme, they are looking to hire a Senior .NET/C# Developer to play a key role in evolving a large-scale legacy … projects Agile environments CI/CD practices Testing experience (TDD is a bonus) Exposure to cloud (AWS preferred) Desirable: Experience migrating legacy systems React or JavaScript exposure Experience introducing testing, deployment improvements or modern engineering practices into existing systems would be highly advantageous. AI Exposure/ ...

Technical Lead - Ruby

Hiring Organisation
Run-Time Group Ltd
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Permanent
delivery processes. Led the build-out and ongoing evolution of high-traffic Ruby on Rails platforms supporting significant commercial throughput. Modernised legacy systems while ensuring uninterrupted business operations. Introduced AI-powered enhancements to improve customer journeys and internal operational efficiency. Collaborated with stakeholders across pricing, quoting ...

Senior Ruby Engineer - £110K

Hiring Organisation
Run-Time Group Ltd
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Permanent
delivery processes. Led the build-out and ongoing evolution of high-traffic Ruby on Rails platforms supporting significant commercial throughput. Modernised legacy systems while ensuring uninterrupted business operations. Introduced AI-powered enhancements to improve customer journeys and internal operational efficiency. Collaborated with stakeholders across pricing, quoting ...

Java Developer

Hiring Organisation
Hays Technology
Location
Reading, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
£375 - £410/day c. £410 per day
Your new company You will be joining a dynamic organisation supporting critical public sector operations, working on complex systems within a secure and highly regulated environment. Your new role As a Java Developer, you will be responsible for supporting and enhancing legacy applications, providing L3 support … Flexible remote working with structured on-site training Potential for contract extension beyond the initial term Exposure to modern technologies alongside legacy systems What you need to do now If you're interested in this role, click 'apply now' to forward an up-to-date copy ...

Business Analyst

Hiring Organisation
TALENT INTERNATIONAL UK LTD
Location
Oxford, Oxfordshire, South East, United Kingdom
Salary
£50,000
implementation of our brand-new digital booking platform Platform Migration and Streamlining: Managing the transition and data migration away from disjointed legacy systems into one unified ecosystem. Enhancing Guest Services: Expanding system capabilities to support high-touch customer services Cross-Functional Collaboration: Acting as the critical bridge … natural capability to confidently engage stakeholders and explain technical solutions clearly. Booking System Savvy (Desirable): Prior experience with configuring booking, reservation, or ticketing systems is a massive advantage, though not mandatory. What's In It For You? High-Impact Scale: The chance to lead a major, highly visible digital ...

Domain Architect Irish Energy market

Hiring Organisation
Centrica - CHP
Location
Windsor, Berkshire, South East, United Kingdom
Employment Type
Permanent
understanding of Irish industry processes (e.g., market flows, Gas/Elec market interactions, DSOs/TSOs, regulatory cycles), integrations to legacy BGE systems, and upstream/downstream impacts. Ensure architectures are robust, operable, cost-efficient, and able to scale for customer growth and increased digital adoption. Work … Core Competencies & Technical Skills (AI and emerging technology): Designs, integrates and operates AI-enabled solutions within enterprise environments, including prompt driven workflows, retrieval-augmented systems and AI agents. Applies structured evaluation, testing and monitoring practices to ensure AI outputs are reliable, secure and compliant with organisational guardrails. Prepares ...

Contract Data Architect

Hiring Organisation
Connells Limited
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract
Hybrid Integration Design; Lead the design and implementation of data solutions that integrate Azure cloud-native services with legacy SQL Server systems and third-party APIs and data feeds. Data Modelling and Standards; develop and enforce data modelling standards (conceptual, logical, physical) across platforms. Promote reuse, consistency … stakeholders. Experience and Skills Required: Experience with Data Architecture and governance, public-cloud platforms (Azure, AWS, GCP) , SQL Server, data integration with third-party systems, ideally Microsoft Fabric Experience with data modelling and metadata management Experience in developing common data models for core business concepts Experience of CRM system ...

Servicenow Architect

Hiring Organisation
CODEVERSE LIMITED
Location
Milton Keynes, Buckinghamshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £80,000 per annum
spearhead the migration of legacy ITSM tooling and Design Tooling platforms while establishing a robust integration framework that connects ServiceNow with enterprise systems at scale. KEY RESPONSIBILITIES Platform Architecture & Strategy Define and own the end-to-end ServiceNow architecture, ensuring alignment with enterprise technology strategy and business … oversight, and ensure compliance with ServiceNow best practices and ITIL/TOGAF frameworks. ITSM & Design Tooling Migration Lead the full lifecycle migration from legacy ITSM platforms to ServiceNow, including data migration, process re-engineering, and stakeholder change management. Define migration strategies including phased cut-overs, parallel runs, data ...