1 to 25 of 57 Contract Legacy Systems Jobs in the UK

C#) architecture and we're looking for an experienced Oracle Developer to play a key role in this journey. You'll work at the intersection of legacy systems and new architecture, translating complex logic into scalable, maintainable C# code. What You'll Be Working On: Rewriting complex PL/SQL logic into performant, readable C# code. Decoupling … types into .NET equivalents, ensuring performance and integrity. Collaborating on the migration from Oracle to Postgres or MySQL. Supporting a hybrid environment during rollout, where legacy Oracle systems and new .NET components coexist. Utilising AI-assisted tools for code analysis, documentation, and transformation. What We're Looking For: Oracle PL/SQL experience, including deep expertise in … in database migration from Oracle to Postgres or MySQL. Excellent analytical and problem-solving skills, with strong attention to detail. Clear communication skills with the ability to explain complex systems and document processes. Desirable Experience: Experience working with PHP systems that integrate with Oracle databases. Familiarity with AI-assisted development tools. Background in data modelling, version control of More ❯

the existing team to re-engineer Oracle PL/SQL stored procedures into C# services. Design and implement .NET-based components that integrate with both legacy PHP systems and new PostgreSQL databases. Work closely with business analysts and stakeholders to ensure functional parity and identify opportunities for enhancement. Participate in the design of a hybrid architecture that … Skills & Experience 5+ years of experience in .NET/C# development, with a strong focus on backend services and data access layers. Proven experience in migrating legacy systems, especially from Oracle to PostgreSQL or similar. Strong understanding of PL/SQL and experience translating stored procedures into application logic. Familiarity with PostgreSQL, including performance tuning and SQL … dialect differences. Experience working in hybrid environments where legacy and modern systems coexist. Comfortable using AI tools (e.g., GitHub Copilot, ChatGPT, code translators) to assist in development and migration tasks. Solid understanding of software architecture, design patterns, and integration strategies. Excellent communication skills and ability to work collaboratively in a cross-functional team. Desirable Skills Experience with More ❯

Senior .NET/C# Developer Oracle to PostgreSQL Migration: Our client is embarking on a strategic transformation of a legacy enterprise platform, rebuilding a … long-standing PHP and Oracle-based system into a .NET (C#) and PostgreSQL architecture. Seeking talented developers who are excited to work at the intersection of legacy systems, modern architecture and cutting-edge development tooling. Your Responsibilities: Re-engineer Oracle PL/SQL logic into performant and maintainable C# services. Design and build .NET components that interact … strategies and support comprehensive documentation efforts. What You'll Bring: Experience developing in .NET/C#, particularly in backend and data access layers. Proven success migrating legacy systems, especially from Oracle to PostgreSQL or similar. Strong working knowledge of Oracle PL/SQL and the ability to translate procedural logic into C#. Solid experience with PostgreSQL, including More ❯

markets. Think of yourself as the digital architect transforming complex business requirements into elegant technical solutions! YOUR MISSIONBE THE POWER PLATFORM GURU: Develop sophisticated Power Apps applications for internal systems and business automation Work with stakeholders to capture and translate complex requirements into technical solutions Create seamless integrations with Microsoft ecosystem components BUILD TECHNICAL EXCELLENCE: Establish development standards that … Strong Power Platform development experience with comprehensive knowledge of the ecosystem C# .NET and JavaScript expertise for custom development and integrations HCL Notes/Lotus Notes experience - additional legacy system capabilities Canvas and Model-driven Power Apps knowledge - full low-code understanding would be ideal Database experience with proven track record in SQL Server and Oracle environments Stakeholder … offices Cutting-Edge Technology - Latest Microsoft Power Platform innovations Technical Impact - Drive digital transformation in a prestigious financial services environment Technical Variety - From modern low-code solutions to legacy system support BROADER SCOPE Design database structures and partner with SQL/Oracle database specialists Resolve technical issues and deploy fixes across Windows Server environments Collaborate with Technical Support More ❯

and validate the processes that will be used with the new system Data migration: Identifying, cleansing and validating the data which we will need to extract from our legacy system for migration into the new system and ensuring the data is extracted and manipulated into the new format Proactively identifying and managing project risks and issues, ensuring minimal More ❯

and validate the processes that will be used with the new system Data migration: Identifying, cleansing and validating the data which we will need to extract from our legacy system for migration into the new system and ensuring the data is extracted and manipulated into the new format Proactively identifying and managing project risks and issues, ensuring minimal More ❯

the nature of the work, the successful candidate requires an active and transferable SC clearance. This role is joining a small team, exploring how to incrementally replace a legacy case management system with digital services which meet the Government Service Standard. Key Responsibilities: Work with the Principal Technical Architect to define, maintain and own the technical strategy and … practices such as domain-driven design, test-driven development, continuous integration and continuous delivery Other tools such as Prometheus, Grafana, AppInsights, GitHub Actions, CircleCI, and more Legacy systems use Oracle Database, WebLogic & Forms, and Tungsten TotalAgility & SQL Server Damia Group Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary More ❯

This role will be instrumental in consolidating and preparing contract data for migration into a new digital procurement platform, with a particular focus on Ivalua and legacy systems, including Ariba, SharePoint, and various supplier web portals.Responsibilities:· Lead the collation, cleansing, and structuring of contract data from multiple sources (Ariba, SharePoint, supplier portals, etc.) to create a centralised More ❯

This role will be instrumental in consolidating and preparing contract data for migration into a new digital procurement platform, with a particular focus on Ivalua and legacy systems, including Ariba, SharePoint, and various supplier web portals. Responsibilities: · Lead the collation, cleansing, and structuring of contract data from multiple sources (Ariba, SharePoint, supplier portals, etc.) to create a More ❯

This role will be instrumental in consolidating and preparing contract data for migration into a new digital procurement platform, with a particular focus on Ivalua and Legacy systems, including Ariba, SharePoint, and various supplier web portals. Responsibilities: Lead the collation, cleansing, and structuring of contract data from multiple sources (Ariba, SharePoint, supplier portals, etc.) to create a More ❯

Analyst embedded in a local authority's Transformation Team, working across Adult Social Care and Housing. You'll cleanse and restructure complex datasets, match records across legacy systems, and build clear, actionable reports in Power BI. Backed by a wider team of analysts and project staff, you'll play a key role in driving data-led service … teams and leadership make smarter, faster decisions. Essential (Must have): Demonstrable experience in local government or public services Strong knowledge of Adult Social care and/or Housing data systems (e.g. Mosaic, Eclipse, NEC, Jigsaw) Expertise in cleansing, validating, matching, analysing and visualising large, complex data sets Proficiency with Power BI and SQL Experience drawing actionable insights from data More ❯

the organisation. THE ROLE As a Data Engineer, you'll play a pivotal role in designing and implementing robust data pipelines, supporting the migration from legacy Azure systems to Databricks, and working closely with stakeholders to deliver tailored data solutions. This role combines hands-on development with collaborative architecture design, and offers the opportunity to contribute to More ❯

a new finance system implementation project (Microsoft Dynamics Business Central) for a progressive and values-led organisation in the healthcare sector.This role requires a blend of finance and technical systems knowledge and will be working from their offices near Cambourne, with occasional travel to sites across the East of England. About the Role You will support the end-to … shape processes, drive testing and training, lead data cleansing and migration activities. This project is ideal for someone who: Has previously worked on system implementations (specifically finance/ERP systems) Brings strong finance process knowledge - from AP to Management Accounting Can coordinate across teams with a hands-on and solution-focused approach Is confident managing data, testing plans, and … change with attention to detail Key Responsibilities Coordinate and support all phases of the finance system roll-out Data cleansing and migration from legacy systems Help design procurement, stock, and invoice automation processes Support user training and internal communications Act as a liaison between stakeholders and software providers What You'll Bring Hands-on experience supporting finance More ❯

join during phase 1 of a multi-year strategy to unify and modernise their data, cloud, and tech set-up, including the move from on-prem legacy systems to the cloud (which will most likely be Azure). Reporting into their new CIO/CTO, you'll play a pivotal role in shaping and executing their enterprise … Trent, in line with their highly collaborative and close-knit culture. What You'll Be Doing: Assessing the current data estate across on-prem, cloud, and legacy systems Designing and implementing a scalable, future-proof data architecture Leading the migration from legacy tools (e.g., SSIS, SSRS) to modern platforms like Azure Data Factory and Power More ❯

join during phase 1 of a multi-year strategy to unify and modernise their data, cloud, and tech set-up, including the move from on-prem legacy systems to the cloud (which will most likely be Azure). Reporting into their new CIO/CTO, you'll play a pivotal role in shaping and executing their enterprise … don't live close enough to commute on a daily basis. What You'll Be Doing: Assessing the current data estate across on-prem, cloud, and legacy systems Designing and implementing a scalable, future-proof data architecture Leading the migration from legacy tools (e.g., SSIS, SSRS) to modern platforms like Azure Data Factory and Power More ❯

Demonstrable London Market software selection/delivery/integration experience Knowledge of the Insurance Policy/Claims Admin System landscape Experience of previous projects moving from legacy systems to updated versions (software/hardware/integration) and able to articulate the role(s) played Sound like you? Please get your details over to ARC IT ASAP More ❯

user journeys and workflows, ensuring integration of compliance checks. Collaborate with IT on data integration and system requirements. Support UAT, write test scripts, and assist in transitioning from legacy systems. Participate in Agile ceremonies and manage deliverables using JIRA. Key Skills & Experience: Must-have: 8+ years in the Lloyd's/London Market. Business analysis: Requirements gathering, process More ❯

brands, known for its strong retail roots and customer-first ethos. We're looking for a Product Owner to lead a major transformation initiative: the migration of a legacy private cloud estate to a modern Azure-based platform. This is a 12-month contract based in Slough, with 2 flexible on-site days per week (no anchor days … . Your Mission: You'll be at the heart of a strategic programme to modernise critical infrastructure. The client is currently operating on a legacy private cloud setup, including SQL Server and file servers. Your role will focus on driving the migration to Azure Cloud - improving scalability, efficiency, and resilience across the business. Key Responsibilities: Lead the Cloud … experience as a Product Owner or Product Manager in cloud transformation or infrastructure modernisation projects Strong understanding of Azure cloud services and migration strategies Familiarity with legacy systems such as SQL Server and file servers Excellent stakeholder management and facilitation skills Strong grasp of agile methodologies, particularly Scrum Experience in telecoms, retail, or digital platforms is a More ❯

Your new company and role The Systems Analyst (RMS) will support the implementation of a new Research Management System. This role will ensure that operational processes are effectively captured and translated into system functionality, supporting the organisation's strategic goals. Process Mapping & Requirements Gathering: Engage with stakeholders to document current processes and define system requirements. System Configuration & Testing: Support … the configuration of the system and lead testing efforts to ensure functionality aligns with user needs. Data Migration: Assist in the migration and validation of data from legacy systems. Stakeholder Engagement: Facilitate communication between business stakeholders, IT teams, and vendors. Training & Support: Develop training materials … and provide user support during and after implementation. Continuous Improvement: Identify opportunities for process improvement and system enhancements post-implementation. What you'll need to succeed Experience with management systems (e.g., Worktribe, Pure, Converis) Strong analytical and documentation skills Excellent stakeholder engagement and communication Understanding of operational administration processes Ability to manage multiple tasks and meet deadlines What you More ❯

Your new company and role The Systems Analyst (RMS) will support the implementation of a new Research Management System. This role will ensure that operational processes are effectively captured and translated into system functionality, supporting the organisation's strategic goals. Process Mapping & Requirements Gathering: Engage with stakeholders to document current processes and define system requirements. System Configuration & Testing: Support … the configuration of the system and lead testing efforts to ensure functionality aligns with user needs. Data Migration: Assist in the migration and validation of data from legacy systems. Stakeholder Engagement: Facilitate communication between business stakeholders, IT teams, and vendors. Training & Support: Develop training materials … and provide user support during and after implementation. Continuous Improvement: Identify opportunities for process improvement and system enhancements post-implementation. What you'll need to succeed Experience with management systems (e.g., Worktribe, Pure, Converis) Strong analytical and documentation skills Excellent stakeholder engagement and communication Understanding of operational administration processes Ability to manage multiple tasks and meet deadlines What you More ❯

months – extensions available, project runs until 2027 Work Location: Hybrid Remote/Lancashire Start Date: ASAP Industry: Financial Services/Insurance IR35 Status: Outside IR35 Seeking a skilled Systems Analyst/Developer to join a major two-year migration and separation programme. The project focuses on migrating a portfolio from legacy mainframe systems to a new … outsourced platform model. This is a hands-on role suited to someone with deep IBM mainframe expertise who can hit the ground running. Responsibilities: Analyse and interrogate legacy mainframe applications to support source-to-target data mapping Play a critical role in build phase, developing code and executing data extracts based on client specifications Develop code in IBM … technologies: PL1 & SYNCSORT DB2 & IMS DB MVS JCL, TSO JobTrac, ENDEVOR, File Manager Experienced interrogating mainframe applications to support data mapping & extraction Strong background in codebase development and legacy system interrogation History of successful, large-scale migration programmes Financial Services industry experience Desirable Experience: Knowledge of life/protection products More ❯

a modern, cloud-based solution that will replace a legacy system. You will play a key role in shaping the future of digital services, working across complex systems and stakeholder groups to define solutions that deliver real value. Key Responsibilities Lead business analysis across the full product delivery life cycle Manage and mentor a team of Business … Analysts, supporting their development Conduct detailed analysis of existing systems, processes and dependencies Collaborate with cross-functional teams to define and deliver user-focused solutions Identify risks, opportunities and areas for improvement to support a successful system transition Engage with senior stakeholders and represent the BA practice across the organisation and wider community Essential Skills & Experience Proven experience as More ❯

Provide support to interoperability Information management and sharing between legacy, current and future capabilities. Work with LC2, OpNET L3/4 teams and other legacy systems to ensure interoperability solutions have IM support and can be implemented across Navy FLC interests. Develop and administer the Navy FLC OpNET HUB, create and collapse site collections as … information management MOD security clearance or be willing to undergo Security Clearance to DV level Desirable Skills Some knowledge of industry standards - BRd7747 Involvement in an iHub Communications information systems (Royal Navy) Providing support with SharePoint Background knowledge of either naval or maritime would be advantageous Excellent communication skills Able to follow the laid-down process Computer literate and More ❯

Provide support to interoperability Information management and sharing between legacy, current and future capabilities. Work with LC2, OpNET L3/4 teams and other legacy systems to ensure interoperability solutions have IM support and can be implemented across Navy FLC interests. Develop and administer the Navy FLC OpNET HUB, create and collapse site collections as … information management MOD security clearance or be willing to undergo Security Clearance to DV level Desirable Skills Some knowledge of industry standards - BRd7747 Involvement in an iHub Communications information systems (Royal Navy) Providing support with SharePoint Background knowledge of either naval or maritime would be advantageous Excellent communication skills Able to follow the laid-down process Computer literate and More ❯

insurance organisation to appoint a Contract Release and Environment Manager for a major IT transformation programme. This initiative marks the modernisation of over 20 years of legacy systems and infrastructure, an essential step in transitioning the business to a more agile, efficient, and future-ready operating model. This is a greenfield opportunity as the programme is set More ❯