21 of 21 Legacy Code Jobs in the UK excluding London

further grow and diversify their SaaS solutions offering. In this role, you'll take ownership of both new and existing systems, including maintaining legacy code where required. You'll be hands-on across Laravel applications, APIs, and third-party integrations, working as part of a multidisciplinary team … over development and direction in a role that offers support, progression, and development opportunities. The Role: *Take ownership of new and existing systems, including legacy code, with responsibility for how they evolve *Lead the hands-on development of a growing software suite across Laravel, APIs, and third-party ...

Node.js Developer Location: Ashford Salary: Up to £35k DOE Level: Junior/early-career Do these questions sound like you? Do you enjoy writing code and want to keep getting better at it? Are you interested in cloud computing and AWS, even if you are still early on that … will be supported, trained, and encouraged to grow technically and professionally. What you will be getting involved in Writing and improving JavaScript/Node.js code Contributing to real products and services, not toy projects Working with cloud-hosted applications, with exposure to AWS Learning how applications are deployed, scaled ...

Implement new features and improve existing functionality Debug, test, and resolve software defects Work with internal stakeholders to understand business requirements Maintain and improve legacy systems while contributing to modernisation efforts Integrate with third-party systems and APIs Contribute to documentation and handover processes Follow version control and release … procedures About you We are looking for a practical problem solver who can work through real business scenarios. You should be comfortable working with legacy code and improving it safely, and a clear communicator with non-technical stakeholders. We value attention to detail, ownership of delivered work ...

will take ownership of modularizing large existing codebases and setting up the architecture for new projects from scratch. You will work closely with code, design and art teams to ensure our technical pipeline is scalable, maintainable, and efficient. The ideal candidate is an expert in software design patterns … define coding standards and mentor the team toward a cleaner, more robust code infrastructure. Responsibilities Architect and build scalable game systems from the ground up for new, greenfield projects, ensuring they are built on a solid, future-proof foundation. Lead the refactoring of legacy code, transitioning monolithic ...

platform while actively contributing to its evolution toward modern .NET and Azure technologies. This is not a pure greenfield role. It is not a legacy-only support role. It is a genuine blend of both. The Role You will work on a business-critical lending platform used daily … SOLID principles and TDD Mentoring experience The Ideal Candidate You will thrive here if you: Enjoy working with complex systems Are comfortable maintaining legacy code Are motivated to modernise and improve platforms Communicate clearly and confidently Want long-term impact rather than short-term project work ...

platform while actively contributing to its evolution toward modern .NET and Azure technologies. This is not a pure greenfield role. It is not a legacy-only support role. It is a genuine blend of both. The Role You will work on a business-critical lending platform used daily … SOLID principles and TDD Mentoring experience The Ideal Candidate You will thrive here if you: Enjoy working with complex systems Are comfortable maintaining legacy code Are motivated to modernise and improve platforms Communicate clearly and confidently Want long-term impact rather than short-term project work ...

understanding of agile and similar software development processes including how to adapt these methods to maximise success in multi-partner projects Experience maintaining legacy code and systems including migration to new implementations Knowledge of deployment infrastructures including virtual machines, commercial cloud and kubernetes Experience with collaborative development tools … installation grant (as applicable) Campus life: Free shuttle bus to and from work, on-site library, subsidised on-site gym and cafeteria, casual dress code, extensive sports and social club activities (on campus and remotely) Family benefits: On-site nursery, child sick leave, generous parental leave, holiday clubs ...

About the Role Bolt Technical are hiring exclusively for a growing SaaS business. This is a key senior hire to take ownership of a legacy LAMP (Linux, Apache, MySQL, PHP) platform, modernising it pragmatically while supporting a small, fast-moving team. The role offers significant influence over technical direction … long-term path to CTO as the business scales. Key Responsibilities Own and develop a LAMP-based full-stack platform Audit, refactor, and improve legacy code without full rewrites Introduce modern front-end frameworks (React, Vue, Angular) Design and maintain APIs (REST/GraphQL) Improve performance, security ...

Work closely with testers, designers, and project managers to ensure quality work. Process Improvement: Identify areas for improvement in business processes and suggest solutions. Legacy System Modernisation: Upgrade older applications using modern tools like Power Apps, MS Dynamics, and Azure SQL. Documentation: Create clear and detailed technical and functional … build relationships quickly with stakeholders. Strong planning and prioritization skills. Considerate of how your decisions affect others. Technical Skills: Ability to debug and interpret legacy code in Visual Studio.Net, C#, WPF, ASP.Net, REST, SSIS, TSQL, and SPROCs. Experience in migrating legacy systems to modern platforms like Power ...

help build, modernise, and support business-critical Windows applications for this fantastic Software Consultancy. If you enjoy C#, SQL Server, system integrations, and transforming legacy code into clean, modern.NET solutions, this is a great opportunity to make a real impact. Work with: C#, .NET/.NET Core, WinForms ...

Role You will work in small, multidisciplinary teams delivering bespoke engineering solutions. Projects are technically challenging and require strong engineering fundamentals, production-quality code and real ownership. This environment suits engineers who enjoy solving complex problems rather than simply implementing tickets. Opportunities are available at: Graduate Software Engineer Senior … engineering-led environment that values quality, intellectual honesty and high standards. If you are looking to build real systems with impact rather than maintain legacy code, this is a rare opportunity to join at an exciting stage of growth. ...

help build, modernise, and support business-critical Windows applications for this fantastic Software Consultancy. If you enjoy C#, SQL Server, system integrations, and transforming legacy code into clean, modern.NET solutions, this is a great opportunity to make a real impact click apply for full job details ...

join our growing team working on our NetSuite CRM system. Principal Duties: Generation of Suite Scripts to fulfil business requirements. Understand, Maintain & Update Legacy Code Ability to accurately document & communicate scripts & workflows. NetSuite Report Generation & Modification. NetSuite System Updates – including products, classes, customers. Ensuring that workflows within NetSuite ...

development patterns, context management, and test-driven development. Confident delivering technical training to varied audiences and managing live troubleshooting. Experience working with MCP servers, legacy codebases, or multi-tool AI development environments is highly beneficial. How to Apply If you are excited by the opportunity to teach cutting-edge ...

daily Why this role is different Massive autonomy - you're not one of 20 engineers; your work is the work Greenfield build - no legacy code to untangle Direct access to technical leadership Clear, valuable real-world use case Hybrid flexibility after the first month If you enjoy creating ...

looking for a Junior Control Systems Engineer to join the team immediately. This is not a maintenance role. This is not just editing legacy code. You ll be developing PLC programs from scratch, contributing to full system design, producing electrical documentation, and supporting complete machine delivery. What ...

help us deliver for our customers while we modernise our platform. About You Strong COBOL developer who takes pride in producing reliable, maintainable code Good SQL knowledge and comfortable working with data-heavy systems Keen to work in an Agile environment and contribute as part of a Scrum team … Confident working in an existing legacy codebase, but know when to ask for help Interested in modernisation — including the opportunity to transition into Java over time The Role In this role you’ll enhance and maintain our legacy COBOL code that supports key functionality in our Altair ...

guide and develop a team of 5 engineers, drive technical direction across multiple applications and lead the modernisation of some of the most significant legacy services in government. Over time, you'll play a role in helping DWP transition these core systems into Java-based services, giving you continued … resolving complex technical issues that require deep system understanding. We can promise challenge and variety. One day you might be leading technical improvements to legacy codebases; the next, planning infrastructure maintenance, resolving live service challenges, or influencing how we deliver future modernisation programmes. If you enjoy solving complex engineering ...

guide and develop a team of 5 engineers, drive technical direction across multiple applications and lead the modernisation of some of the most significant legacy services in government. Over time, you'll play a role in helping DWP transition these core systems into Java-based services, giving you continued … resolving complex technical issues that require deep system understanding. We can promise challenge and variety. One day you might be leading technical improvements to legacy codebases; the next, planning infrastructure maintenance, resolving live service challenges, or influencing how we deliver future modernisation programmes. If you enjoy solving complex engineering ...

guide and develop a team of 5 engineers, drive technical direction across multiple applications and lead the modernisation of some of the most significant legacy services in government. Over time, you'll play a role in helping DWP transition these core systems into Java-based services, giving you continued … resolving complex technical issues that require deep system understanding. We can promise challenge and variety. One day you might be leading technical improvements to legacy codebases; the next, planning infrastructure maintenance, resolving live service challenges, or influencing how we deliver future modernisation programmes. If you enjoy solving complex engineering ...

applications - increasingly through AI-assisted development where your judgment on what gets built matters as much as the building itself Critically assess AI-generated code and plans before they reach production - distinguishing between output that works and output that's right Modernize and maintain legacy PHP codebases with … continuous refactoring approaches Maintain architectural integrity across the codebase, identifying when local changes create systemic problems Deploy production code with confidence using Terraform and GitHub Actions Collaborate cross-functionally with engineers, UX designers, and our product team 💻 Your Expertise: Strong software engineer with proven architectural thinking - you see systems ...