1 to 25 of 26 Legacy Systems Jobs in Yorkshire

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 ...

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 ...

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. ...

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 . ...

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/ ...

organisation is evolving from a Legacy PHP platform to a modern, cloud-native, AI-enabled architecture, offering the chance to shape greenfield systems and influence engineering direction. Senior Full-Stack Software Engineer Responsibilities Design and build scalable full-stack applications using TypeScript, Node.js, and React Lead … migration from Legacy PHP systems to a modern JavaScript/TypeScript stack Develop and maintain cloud infrastructure on AWS (EKS, S3, DynamoDB) using Terraform (IaC) Build and optimise CI/CD pipelines (GitHub Actions) to enable efficient delivery Contribute to AI-enabled software development, including AI-assisted ...

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 ...

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 ...

Platform Developer who is passionate about technology, interested in both low level details of how computer hardware operates and high-level design of large systems, as well as in data infrastructure. Someone who likes opening the hood to see how things work, has understanding of data structures, experience writing … founders. You will get a lot of independence and responsibility right away, and you'll learn at an unprecedented speed! No legacy systems, no multiple levels of approvals, no bureaucracy; all developers report directly to CTO who is very hands on. You are judged by what ...

users. Are comfortable mentoring others and helping set technical direction for projects. Bonus points if you’ve worked on fintech products or complex transactional systems . Why Join Penfold At Penfold, we’re on a mission to help everyone save enough to be comfortable in later life . … saving easy, accessible and engaging. Our vision How we help everyone adopt healthy saving habits We’ve done away with the legacy systems and processes that old-school providers are built on, starting from scratch with our purpose-built pension platform which: Brings clarity and confidence about ...

rules for key master data domains Configure and enhance data models, UI components and workflows within MDG Support integration with SAP and non-SAP systems using IDocs, SOA services and APIs Collaborate with business stakeholders to translate data governance requirements into scalable solutions Support testing phases including … Desirable Skills for the SAP MDG Consultant: Experience within retail master data domains (Article, Store, Assortment) Integration experience with Ariba or legacy systems Experience working within large-scale, global SAP programmes Ability to support complex integration and solution design discussions If you are an experienced ...

Systems Developer Epicor BisTrack Scunthorpe (Hybrid working ) £60,000- £70,000+ benefits Were working with a well-established UK manufacturing and distribution business who are looking for a Systems Developer Data & Reporting with strong experience in Epicor BisTrack . This is a key role focused on maintaining, improving … modernising reporting across the business, supporting core operational areas including Sales, Logistics, Purchasing and Finance. Youll work across both legacy and evolving systems, ensuring day-to-day stability while helping to simplify and improve reporting structures over time. What youll be doing Developing, maintaining and optimising ...

Systems Developer – Epicor BisTrack Scunthorpe (Hybrid working ) £60,000- £70,000+ benefitsWe’re working with a well-established UK manufacturing and distribution business who are looking for a Systems Developer – Data & Reporting with strong experience in Epicor BisTrack .This is a key role focused on maintaining, improving … reporting across the business, supporting core operational areas including Sales, Logistics, Purchasing and Finance. You’ll work across both legacy and evolving systems, ensuring day-to-day stability while helping to simplify and improve reporting structures over time. What you’ll be doing Developing, maintaining and optimising ...

high-impact role with exposure to senior leadership. You will be responsible for shaping and governing enterprise architecture in an environment that combines operational systems, customer-facing platforms, and data-driven capabilities. The organisation is delivering a range of transformation programmes aimed at modernising legacy systems ...

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 environ... CRWG1_UKTJ ...

change management processes. Essential for the role Proven demonstrable experience designing Salesforce solutions for internal or external customers. Experience of designing integrations with legacy systems. The ability to rapidly upskill in new areas and technologies. Desirable Experience of working in or with the housing sector Experience building asset ...

full Microsoft and Azure technology stack. This is a hands-on role offering the chance to work on both legacy and greenfield systems, contribute to architectural decisions, and support the continuous improvement of development practices. Key responsibilities: Develop and maintain scalable, high-quality software using C#, .NET … tools Understanding of secure coding and software development best practices Desirable experience: Microservices, containers (Docker/Kubernetes) Front-end frameworks such as Vue.js Messaging systems (e.g. Service Bus, Kafka) NoSQL databases, REST APIs, CI/CD pipelines Benefits: 25 days holiday plus bank holidays and additional Christmas leave Flexible ...

full Microsoft and Azure technology stack. This is a hands-on role offering the chance to work on both legacy and greenfield systems, contribute to architectural decisions, and support the continuous improvement of development practices. Key responsibilities: Develop and maintain scalable, high-quality software using C#, .NET … tools Understanding of secure coding and software development best practices Desirable experience: Microservices, containers (Docker/Kubernetes) Front-end frameworks such as Vue.js Messaging systems (e.g. Service Bus, Kafka) NoSQL databases, REST APIs, CI/CD pipelines Benefits: 25 days holiday plus bank holidays and additional Christmas leave Flexible ...

finance-focused audience, you will be responsible for leading the end-to-end delivery of large-scale finance focused IT infrastructure, software development, and systems integration projects.Ensuring all IT solutions align with the financial regulatory requirements and the DFS Groups control environment. What youll be responsible for Leading … transition change from project into Service BAU. Were looking for someone who has 5+ years of experience in IT Project Management, ideally around finance systems transformation & implementation. Proven track record in delivering complex projects to time, cost and quality. Previous experience managing migrations or API integrations between legacy ...

offshore QE operation delivered through a strategic external partner. The programme itself is focused on large-scale platform modernisation, legacy system replacement, systems integration, and enterprise-wide transformation. As delivery scales significantly, the organisation is looking for an experienced QE leader capable of bringing strong governance, structure … communication capability Comfortable operating with executive leadership, risk, and assurance functions Experience managing supplier-led or third-party QE delivery environments Understanding of complex systems integration and legacy modernisation programmes The Role As Head of Quality Engineering, you'll own and shape the QE strategy across ...

high-performance mobile application in React Native for iOS and Android, serving tens of thousands of daily users. Drive multi-quarter technical initiatives — legacy system migration, platform modernization, design system adoption, and build infrastructure improvements — collaborating across units to coordinate execution. Mentor and develop senior and staff engineers … team leverages them — not just as a user, but in defining conventions, guardrails, and workflows that scale. Proven experience designing real-time mobile systems using RESTful services, WebSockets, and GraphQL, with an emphasis on resilience, latency, and graceful degradation. Significant native iOS (Swift/Objective-C) and/ ...

pricing engine, which sets the fees added to every quote tem serves, carefully balancing growth and margin. You will also contribute to the systems which manage both short and long-term imbalance decisions to determine how tem deals with it’s exposure across its portfolio. This is a hands … energised by the greenfield environment: comfortable taking on ambiguity and able to make progress before the path is fully defined. They have built pricing systems that worked and have learned from the times it hasn't. They'll bring that hard-won judgment to a system where the foundations ...