26 to 50 of 71 Legacy Systems Jobs in the North of England

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 ...

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. ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

Quant 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. ...

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 ...

high-profile position where you will take ownership of integration strategy, drive best practices, and help modernise a complex estate of legacy systems and applications. As the MuleSoft subject matter expert, you will: Design, develop and implement enterprise-scale integration solutions using MuleSoft Lead integration architecture decisions ...

high-profile position where you will take ownership of integration strategy, drive best practices, and help modernise a complex estate of legacy systems and applications. As the MuleSoft subject matter expert, you will: Design, develop and implement enterprise-scale integration solutions using MuleSoft Lead integration architecture decisions ...

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 ...

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 ...

engagement and functionality. REQUIRED SKILLS Strong experience in Frontend Development. Strong knowledge of HTML, CSS, JavaScript and Angular. Experience working with existing or legacy systems. Familiarity with Git version control. Understanding of SEO best practices and UI/UX principles. Knowledge of C#, APIs or backend integrations would ...

modernisation initiatives Driving adoption and governance of AI‐assisted development tooling including Claude Code Supporting the ongoing evolution from legacy monolithic systems toward Azure‐based microservices architecture Overseeing development quality, code reviews and technical troubleshooting Mentoring developers and supporting the growth of the newly launched AI Graduate ...

currently partnering with a business seeking a Test Automation Manager to support a mid-flight programme focused on automating manual processes and integrating legacy systems. The role will take ownership of testing across system interfaces and end-to-end workflows, ensuring quality is maintained throughout complex integrations. They ...

expect to be involved in the following: Design and implement a governed Databricks Lakehouse, including catalog and data structures. Migrate complex legacy SQL into clean, modular, and maintainable pipelines. Build scalable transformation frameworks using Spark and Python or SQL-based pipelines. Optimise query performance across large datasets, improving … Delta Lake, Unity Catalog, and SQL Warehousing. Advanced SQL skills with a focus on performance tuning and optimization. Experience migrating legacy data systems into scalable architectures. Proven ability to design and build data pipelines using Spark and Python or SQL. Strong understanding of data modelling, including star ...