1 to 25 of 49 Contract Legacy Systems Jobs in the UK

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 ...

data workstream. Requirement for someone to lead the full data agenda across the programme lifecycle working across legacy systems, Workday, integrations and reporting requirements. Workday Data Lead, key responsibilities: Lead data workstream across full programme lifecycle Define and deliver data strategy - data plan for Workday Financials implementation … Understanding of finance data structures including master data Experience defining and managing data strategies and data plans Previously worked across multiple legacy systems and data sources Overseeing and coordinating technical teams Strong understanding of data quality and data controls Reasonable Adjustments: Respect and equality are core values ...

Your new role We are seeking a hands-on UAT Test Manager to support a major SAP transformation programme, migrating from legacy systems into SAP Finance and Procurement. The role will focus on User Acceptance Testing (UAT) from a business perspective, ensuring that the SAP solution delivered … experience as a Test Manager within large-scale ERP transformations. Strong hands-on experience leading UAT for SAP implementations. Migrating from legacy systems to SAP. Experience across Finance, Procurement, and HR modules. Capability to operate in a hands-on capacity (test strategy, scripting, execution). Strong stakeholder ...

directly into core business processes. This role is strongly Back End-focused, requiring deep .NET engineering expertise, combined with proven experience building agentic AI systems in production. T he Role Rebuild and enhance core CRM functionality within a live production environment Lead Back End development using .NET/C# … Work across the stack where needed (TypeScript/React) but with a clear Back End-first focus Design and implement: Autonomous agents Self-learning systems AI-driven workflow automation platforms Integrate AI capabilities directly into core product workflows and business processes Drive incremental modernisation of Legacy systems ...

DevOps Engineer to join a growing engineering capability and play a central role in shaping how AI is embedded into real, production-grade software systems . This is not a traditional people-management role . Instead, you'll lead through technical depth, architectural judgement, and delivery experience by setting … capabilities are integrated into modern software platforms. If you enjoy working where architecture, APIs, DevOps, and AI meet , and you care about building systems that are secure, operable, and genuinely useful, this role offers the chance to have real impact. What you'll be doing Your focus will ...

Systems Administrator Competitive Rates (Inside IR35) 3 Months Contract Carmarthen On-site Your new company You will be joining a well-established public sector organisation with a developing ICT function currently investing in infrastructure, resilience, and cloud transformation. Your new role As a Systems Administrator, you will play … role in supporting and enhancing the organisation's core infrastructure environment. This is a hands-on position focused on systems, servers, and cloud technologies, where you will take ownership of critical upgrade and improvement programmes. Key responsibilities include: Managing and optimising Windows Server environments and core services ...

suite of high-impact initiatives, including the full implementation of MyPulse, a new Time & Attendance solution, and the decommissioning of legacy systems across a multi-site manufacturing environment. Your work will define how our people experience HR for years to come. This is your opportunity to lead … implementations and reporting. Desirable Experience CIPD Level 7 Hands-on experience implementing MyPulse (Compensation & HCM modules). Experience decommissioning legacy T&A systems, including data migration. Familiarity with deploying new clocking systems across multi-site manufacturing environments. The Impact You'll Make This role places ...

Owners to maintain a well-groomed backlog. Support delivery in client environments including: Working within client governance frameworks Managing dependencies with external suppliers and systems Ensure Agile practices are adapted appropriately for regulated defence programmes, including supporting RADIO management from a Scrum Manager perspective. Track and report delivery metrics … communication skills Desirable Experience Experience working within client programmes Knowledge of Client XX Digital standards or delivery frameworks Experience integrating: Legacy systems Cloud-native platforms (e.g., AWS-based solutions) Familiarity with DevSecOps practices in secure environments Scrum certifications (CSM, PSM, SAFU SM) Key Attributes Pragmatic Agile mindset ...

leading organisation on a contract basis . This is an exciting opportunity to work on a high-impact greenfield project , modernising legacy systems using cutting-edge technologies. The Role You will play a key role in the redesign and redevelopment of legacy in-house applications … while also supporting existing systems during the transition period. Key responsibilities include: Leading full-stack development on a greenfield application rewrite Supporting and maintaining legacy applications Collaborating with stakeholders to gather and refine business requirements Designing and managing MS SQL Server databases Developing integrations with internal corporate ...

Build workflows and automation using Power Automate. Implement plugins, custom APIs, and Dataverse extensions for advanced functionality. Integration & Extensibility Integrate D365 with external HR systems and microservices via REST APIs, and custom connectors. Manage data migration from legacy systems ensuring integrity and consistency. Optimize performance ...

Lead Data Engineer Hands-on technical leadership building data systems that actually work We're looking for a Lead Data Engineer to join an enterprise data engineering capability and play a critical role in designing, building, and improving real-world data systems . This is not a line … engineers and adjacent roles through design decisions, code, and delivery support Improve data sharing, onboarding of new data sources, and interoperability across teams and systems Introduce and evaluate new tools, patterns, and technologies where they genuinely add value - balancing innovation with pragmatism Build robust, production-grade solutions , not proofs ...

delivery flow. * Support effective agile ways of working, including planning, ceremonies, prioritisation and delivery discipline. * Manage dependencies across other SAP workstreams, legacy systems, integration points, data migration activities, and third-party suppliers. * Proactively identify, manage, and escalate risks, issues, and decisions, driving timely mitigation and resolution. Assess ...

understanding of working in secure, regulated, or classified environments Ability to work effectively within structured delivery frameworks Desirable Experience with large-scale or legacy system migration to cloud Knowledge of data governance, security, and compliance in public sector environments This role offers an immediate start for the right ...

Nice to have: Experience working across large-scale client programmes Familiarity with government digital standards or delivery frameworks Exposure to integrating legacy systems and modern cloud-native platforms (e.g. AWS) Understanding of DevSecOps practices within secure environments Relevant Scrum certifications (CSM, PSM, SAFe Scrum Master ...

prototype, test, and adopt emerging technologies Requirements evolve-this is a dynamic, exploratory environment New ideas are valued over simply maintaining legacy systems This is an ideal opportunity for engineers who thrive in fast-moving, evolving environments and want to be at the forefront of technology innovation ...

technical solutions. Nice to have: Experience working in secure or highly regulated environments. Knowledge of secure coding practices and compliance standards. Experience supporting legacy and modern hybrid systems. If you're interested in this role, click 'apply now' to forward an up-to-date copy of your ...

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 ...

standards, contributing to solution design, and ensuring all changes are appropriately documented and controlled. You will also support integration activity between Salesforce and surrounding systems, using appropriate integration patterns to enable seamless data and process flow across the wider enterprise landscape. Strong collaboration across internal teams and external partners … Cards, DataRaptors, and Integration Procedures) will be highly advantageous, particularly in enterprise-scale implementations. Additional experience integrating Salesforce with external or legacy systems is important, along with exposure to identity and verification tools such as Onfido or Experian being a plus. Relevant Salesforce certifications, including Administrator, Platform ...

Java Developer Active SC Clearance is essential; NPPV3 would be advantageous Strong expertise in Java 11+ with experience supporting legacy systems Proven experience with Oracle WebLogic 11gR1 or similar Experience developing and supporting PL/SQL Hands-on experience with ElasticSearch development and support Nice to have ...

encouraged to experiment, prototype and explore emerging technologies Requirements evolve-adaptability and curiosity are key Innovation is prioritised over maintaining legacy systems What We're Looking For Strong experience in modern software engineering Hands-on development experience with Python (FastAPI) and/or React Experience building APIs ...

financial services are looking for a proven and experienced Java Backend Engineers. There is a significant migration and consolidation effort of legacy systems into microservices with the development team taking the lead on the design, build, deployment and operation of the service they have created. Person Specification ...

supporting modern data platform, with a particular focus on Databricks, cloud-based data engineering, and leading the migration of legacy Oracle systems into scalable, cloud-native environments. The role supports the organisation's data strategy especially on Finance and Regulatory domain by ensuring high-quality, reliable pipelines … environment management. Ensure governance, performance optimisation. Legacy Oracle Migration Leadership Lead and coordinate the migration of data assets from Oracle database systems to the modern cloud data platform. Oversee source-to-target mapping, data model redesign, and automated migration frameworks. Define strategy for retiring legacy ...

Architects, and SMEs across the programme Data Strategy & Planning Define end-to-end data migration strategy, including: Data extraction from legacy clinical systems Transformation rules and mapping specifications Data validation, reconciliation, and quality control frameworks Establish data standards, models, and governance principles aligned to healthcare regulations Develop ...

visit 30 day contract 2/3 days p/w CareFirst Migration Lead Proven experience delivering pre-migration assessments within Adult Social Care systems Responsible for reviewing data quality and determining readiness for migration to a new system Identify data gaps, inconsistencies, and risks that could impact migration … proceed Ability to operate at both strategic assessment and hands-on level where required Discovery & current state assessment - comprehensive review of legacy systems, data structures, processes, and dependencies to define migration scope and constraints. Data audit & migration readiness assessment - profiling data quality, identifying gaps, duplication, and cleansing ...

visit 30 day contract 2/3 days p/w Eclipse Migration Lead Proven experience delivering pre-migration assessments within Adult Social Care systems Responsible for reviewing data quality and determining readiness for migration to a new system Identify data gaps, inconsistencies, and risks that could impact migration … proceed Ability to operate at both strategic assessment and hands-on level where required Discovery & current state assessment - comprehensive review of legacy systems, data structures, processes, and dependencies to define migration scope and constraints. Data audit & migration readiness assessment - profiling data quality, identifying gaps, duplication, and cleansing ...