1 to 25 of 71 Permanent Legacy Systems Jobs in the North of England

efficient data ecosystem, playing a key part in bridging Data, IT Security, and Business Strategy. Youll lead the move away from legacy systems, embedding a modern lakehouse approach and ensuring our data operations are production-ready, governed, and built to scale. You will: Design and implement … lineage, and cataloguing tools Solid understanding of IT security principles (IAM, network controls, secure architecture) Experience leading large-scale migrations from legacy systems to cloud platforms The ability to translate complex technical challenges into clear, business-focused insights A passion for raising engineering standards and mentoring others ...

private sector business located in East Sussex is looking for a full stack .Net developer. Key Roles Participate in migration of legacy systems built in C#, VB.NET, Angular/TypeScript, using MySQL, PostgreSQL, and SQL Server technologies. Maintaining applications, ensuring reliability, maintainability, and evolution. … Server, MySQL, and PostgreSQL. AWS or Azure. Experience in a client-facing or business-facing technical role. Maintaining and modernising legacy systems, including VB.NET. Communication skills to engage confidently with non-technical stakeholders. Knowledge of Docker, CI/CD pipelines, GitHub, and Azure DevOps Reasonable Adjustments: Respect ...

private sector business located in East Sussex is looking for a full stack .Net developer. Key Roles Participate in migration of legacy systems built in C#, VB.NET, Angular/TypeScript, using MySQL, PostgreSQL, and SQL Server technologies. Maintaining applications, ensuring reliability, maintainability, and evolution. … Server, MySQL, and PostgreSQL. AWS or Azure. Experience in a client-facing or business-facing technical role. Maintaining and modernising legacy systems, including VB.NET. Communication skills to engage confidently with non-technical stakeholders. Knowledge of Docker, CI/CD pipelines, GitHub, and Azure DevOps Reasonable Adjustments: Respect ...

Start Available Are you a Laravel Developer looking for a role where you can make a genuine impact across modern platforms and business-critical systems? We're recruiting on behalf of a growing and forward-thinking business seeking a Mid-Level Laravel Developer to join their expanding tech team … based onsite in Crewe. This is an exciting opportunity for a developer who enjoys both building new applications and modernising legacy systems, while working closely with operational teams and stakeholders across the business. You'll become the onsite technical representative for the central IT team, playing ...

Perl Developer you'll be responsible for writing and maintaining Perl code, troubleshooting issues in production systems, and developing new functionality. You'll also support system integrations and work closely with internal stakeholders to ensure technical delivery aligns with business needs. Key Responsibilities: Write, maintain, and enhance Perl-based … backend applications. Support business-critical legacy systems and progressively contribute to modernisation plans. Develop new features and integrations with third-party platforms or internal tools. Troubleshoot and resolve application bugs and performance issues. Collaborate with web designers, software developers, and business stakeholders. Participate in code reviews, ensuring ...

Perl Developer you'll be responsible for writing and maintaining Perl code, troubleshooting issues in production systems, and developing new functionality. You'll also support system integrations and work closely with internal stakeholders to ensure technical delivery aligns with business needs. Key Responsibilities: Write, maintain, and enhance Perl-based … backend applications. Support business-critical legacy systems and progressively contribute to modernisation plans. Develop new features and integrations with third-party platforms or internal tools. Troubleshoot and resolve application bugs and performance issues. Collaborate with web designers, software developers, and business stakeholders. Participate in code reviews, ensuring ...

rolling out new modern tech stacks and applications. Youll join a busy Logistics & IT function delivering business-critical initiatives across billing platforms, operational systems, and wider technology change. This isnt a note-taker BA role we need someone who can lead from the front, run workshops confidently, challenge constructively … translate ambiguity into clear, actionable requirements. If you enjoy untangling complex systems, aligning stakeholders, and making sure projects actually deliver what theyre supposed to youll fit right in. What Youll Be Doing Leading stakeholder workshops across IT and operational teams Capturing, documenting and validating business and system requirements Working ...

well-regarded organisation to recruit an HR Data Migration Analyst to support a key transformation programme, migrating people data from legacy systems into SAP SuccessFactors. This is an excellent opportunity to play a central role in a high-profile data migration project, working closely with stakeholders across … transition of HR data into the new system environment. Key responsibilities will include: Data mapping and data modelling across legacy and target systems Data reconciliation and business validation activities Identifying and analysing data defects, errors and inconsistencies Supporting data remediation and cleansing activities Managing your own workload ...

small team and play a key role in developing and managing data integration projects as our client transitions data from legacy systems into modern infrastructure, reporting and analytics. The key responsibilities for the post include; Design and develop a modern data warehouse (Azure or Snowflake), capable … work independently or in a team. Effective communication and interpersonal skills to foster relationships with stakeholders at all levels. Degree in Computer Science, Information Systems, Data Science or a related field. Salary will be dependent on experience and likely to be in the region of £60,000 - £70,000. ...

small team and play a key role in developing and managing data integration projects as our client transitions data from legacy systems into modern infrastructure, reporting and analytics. The key responsibilities for the post include; Design and develop a modern data warehouse (Azure or Snowflake), capable … work independently or in a team. Effective communication and interpersonal skills to foster relationships with stakeholders at all levels. Degree in Computer Science, Information Systems, Data Science or a related field. Salary will be dependent on experience and likely to be in the region of £60,000 - £70,000. ...

small team and play a key role in developing and managing data integration projects as our client transitions data from legacy systems into modern infrastructure, reporting and analytics. The key responsibilities for the post include; Design and develop a modern data warehouse (Azure or Snowflake), capable … work independently or in a team. Effective communication and interpersonal skills to foster relationships with stakeholders at all levels. Degree in Computer Science, Information Systems, Data Science or a related field. Salary will be dependent on experience and likely to be in the region of £60,000 - £70,000. ...

Head of Engineering to define and deliver the next phase of our technology strategy. You’ll help lead transformation initiatives, modernise legacy systems, and enhance our search functionality — ensuring performance, scalability, and innovation across the platform. What you’ll be doing day to day Partner with … Product Engineering to define the technical strategy, architectural direction, and transformation roadmap. Lead the design and optimisation of search systems , ensuring relevance, scalability, and reliability. Oversee the evolution of existing systems — maintaining and refactoring C# codebases Champion engineering best practices across security, performance, testing, and continuous delivery. Provide ...

world’s most complex digital problems, along with our collaborative, people-first approach, enables enterprises to build breakthrough products and modernise legacy systems by unleashing the power of AI. Today, our team of 500 experts in 20+ countries is trusted by leading enterprises including Lululemon, Puma ...

world’s most complex digital problems, along with our collaborative, people-first approach, enables enterprises to build breakthrough products and modernise legacy systems by unleashing the power of AI. Today, our team of 500 experts in 20+ countries is trusted by leading enterprises including Lululemon, Puma ...

Strong experience in designing and delivering scalable, secure, and integrated enterprise solutions across procurement and supply chain platforms using modern cloud technologies and legacy systems. Expertise in AWS cloud architecture, including designing, implementing, and supporting large-scale cloud environments. Hands-on development background in technologies such as . ...

sprint goals. Your new development will be done within a Microservices architecture, but you will also be contributing to our legacy systems while we are in the transition period. Our stack runs on Azure including Front Door, App Services, Application Insights, and App Configuration with SQL Server ...

service performance, resilience and risk management, working with Technology to meet agreed service levels. Lead major digital change, including modernising legacy systems and improving integrations and data quality. Sponsor innovation where it adds value (including AI and automation), running controlled trials and scaling what works. Manage budgets ...

part of how you build, not an afterthought - from prototyping and refactoring to testing and optimisation. You’ll design and develop cloud-native systems that process real-world data at scale You’ll help drive the transition from legacy systems to modern, high-performance architectures Your … accelerate delivery Contributing to clean, maintainable, secure codebases through strong engineering practices Collaborating across teams to design, deliver, and continuously improve products Helping modernise systems and drive best practice in a fast-evolving tech environment Tech you’ll work with .NET, C#, Web APIs, Entity Framework, SQL Server/ ...

academic outcomes in its sixth form provision. Due to recent growth across the group, the IT Team are looking to bring in a Senior Systems Engineer to join their already well-established IT team in this newly created role. Your new role Reporting directly to the Head … Senior Systems Engineer will support the development, security and modernisation of a complex IT environment. This role combines hands-on technical delivery with strategic input, helping to shape cloud adoption, infrastructure improvements and long-term IT planning. You will lead key initiatives such as migrating legacy systems ...

documentation, including project plans, status reports, and process documentation. System set-up and parallel payroll process – define, agree and configure all interfaces, reports and systems configurations to successfully deliver the parallel and live payroll for month 1 and 2. Go-live transition, Sign-off and documentation – Work with … international tax and labor laws, keeping up-to-date with any changes. Data Migration - Oversee the migration of payroll data from legacy systems to the new global payroll system, ensuring data accuracy and security. Testing - Develop and execute a comprehensive testing plan to identify and resolve system ...

concept through to delivery Writing clean, maintainable, and scalable code Collaborating with cross-functional teams to deliver high-quality solutions Troubleshooting and optimising existing systems Participating in code reviews and supporting junior developers where appropriate Tech & Skills (Essential) ~4+ years' experience in software development Strong experience with C# … tools Exposure to JavaScript frameworks Familiarity with Azure/Azure DevOps/CI/CD pipelines Experience working with or modernising legacy systems Understanding of performance optimisation and scalable architecture What You'll Get Competitive salary based on experience 22 days holiday + bank holidays, increasing with ...

performance tuning and scalability best practices Knowledge of caching strategies (e.g., Redis, in-memory caching) Experience integrating with third-party and legacy systems Strong understanding of data integrity and security principles Experience with automated testing (unit, integration, and API testing) Familiarity with version control systems (e.g. ...

performance tuning and scalability best practices Knowledge of caching strategies (e.g., Redis, in-memory caching) Experience integrating with third-party and legacy systems Strong understanding of data integrity and security principles Experience with automated testing (unit, integration, and API testing) Familiarity with version control systems (e.g. ...

tackling a $100 billion/yr problem, doubling every quarter and pushing the boundaries of what’s possible with multi-turn AI agentic systems Our goal is to tackle the type of automation problems that require long-context reasoning, tool orchestration across legacy systems, and strict … Software Engineer who thrives in early-stage (ambiguous) environments. You’ve seen products through from v1 to scale, and you love designing clean systems that last. Your mission is to Design, develop, test, deploy, maintain, and enhance practical AI-powered software solutions for the fintech industry. Own project timelines ...

tackling a $100 billion/yr problem, doubling every quarter and pushing the boundaries of what’s possible with multi-turn AI agentic systems Our goal is to tackle the type of automation problems that require long-context reasoning, tool orchestration across legacy systems, and strict … Software Engineer who thrives in early-stage (ambiguous) environments. You’ve seen products through from v1 to scale, and you love designing clean systems that last. Your mission is to Design, develop, test, deploy, maintain, and enhance practical AI-powered software solutions for the fintech industry. Own project timelines ...