1 to 25 of 46 Permanent Legacy Code Jobs in the UK excluding London

working and successful company who create and develop all their own business systems and digital products - from ecommerce and websites through to logistics and legacy systems - new tech to legacy. Their work is based around SOLID principles and Agile delivery. About our client: They are the UKs number one … to pick things up Driven by high standards Able to work within an agreed structure Self-motivated and a problem solver Able to decipher legacy code (ideally) In depth training and induction programme Responsibilities in the role of Team Leader/Manager - Full Stack Software Developer : Lead a … Work to best practice in UI/UX design to implement responsive and user-friendly interfaces using SASS and Node.js Troubleshoot, debug, and optimise code Mentor and guide junior developers, fostering a culture of continuous learning and improvement Ensure code quality and adherence to coding standards through code More ❯

of MVC architecture and modern software design patterns. Front-End Technologies Proficiency in front-end technologies such as SASS, Node.js, and modern JavaScript frameworks. Legacy Code and Refactoring Experience working with legacy code and refactoring techniques is advantageous. Problem-Solving Abilities Excellent problem-solving skills and More ❯

on the market. Having received huge investment, they are on a journey to truly disrupt the industry and are not held back by any legacy code or old customers. This means that they're able to build out state-of-the-art, Greenfield code which can focus More ❯

SaaS | £55,000 – £65,000 DOE | Tech for Good Are you a passionate Full Stack Developer looking to make a real impact with your code? Join an award-winning EdTech SaaS company based in Huddersfield that's transforming education outcomes across the UK and internationally. You’ll be joining … Doing Collaborating in an agile, Scrum-based team to build and enhance features in our flagship education platform Solving complex problems through clean, maintainable code using best practices like SOLID, DRY, and test-first development Tracing and fixing bugs, refactoring legacy code, and contributing to architectural decisions … Advising Product Owners and cross-functional teams on technical feasibility and implementation strategies Taking the technical lead on greenfield and legacy projects alike Role Requirements 5+ years of commercial software development experience .NET/C# – including object-oriented design, greenfield dev, and working with legacy systems SQL – advanced More ❯

Detailed Activities: Analyze customer requirements to derive technical solutions. Develop accurate estimates for proposed solutions. Design and develop system and sub-system components. Debug legacy code to resolve functional or reliability issues. Adhere to Bosch Quality Assurance Processes, participating in technical reviews. Work on products including VCATS Server More ❯

brightest developers to help us expand our development capabilities. You’ll be coming into a dynamic cross-functional team with plenty of well-established legacy code to pick up and make your own. Aside from writing beautiful code, we value good communication and a strong initiative, amongst … a full stack developer Your Key Responsibilities Responsible for the architecture, development and maintenance of cloud back- end solutions and infrastructure Own and manage code quality standards Implement new development patterns Maintain the devops pipelines Take a leading role in finding efficient solutions to complex issues and requirements Take More ❯

brightest developers to help us expand our development capabilities. You’ll be coming into a dynamic cross-functional team with plenty of well-established legacy code to pick up and make your own. Aside from writing beautiful code, we value good communication and a strong initiative, amongst … a full stack developer Your Key Responsibilities Responsible for the architecture, development and maintenance of cloud back- end solutions and infrastructure Own and manage code quality standards Implement new development patterns Maintain the devops pipelines Take a leading role in finding efficient solutions to complex issues and requirements Take More ❯

give the candidate the opportunity to take ownership of the design, development, testing, and documentation of our systems. The tasks will range from analyzing legacy code and migrating it in the latest versions or writing net new code based on the analysis of vulnerabilities, risk and impact … environments • Experience with React and JavaScript • Previous experience with payment systems, payment networks, financial services, or Fintech. • Experience with Cloud application development, Infrastructure as Code, Kubernetes, container-based deployment, monitoring/dashboard for health checks, and automated regression testing More ❯

in London, UK . This is a full-time, permanent role ideal for professionals who are passionate about building scalable backend systems and modernizing legacy architectures. You will play a key role in migrating .NET-based systems to Python , while collaborating closely with cross-functional teams to deliver high … and contribute to long-term strategic system improvements. Key Responsibilities: Develop, enhance, and maintain backend services using Python . Participate in the modernization of legacy .NET systems , including understanding and re-architecting existing logic in Python. Design and optimize SQL queries and manage relational database integrations . Collaborate with … stakeholders, architects, and other developers to design robust, scalable solutions. Participate in code reviews, testing, and deployment activities. Contribute to improving engineering best practices, performance, and maintainability. Requirements: Proven professional experience in Python development – a must. Strong skills in SQL and working with relational databases (e.g., PostgreSQL, MySQL, SQL More ❯

Symfony, Vue.js, HTML, SCSS, JavaScript, and MySQL. Strong version control skills (Git) and experience working with APIs & package managers. Ability to enhance and modernise legacy codebases while ensuring stability click apply for full job details More ❯

Symfony, Vue.js, HTML, SCSS, JavaScript, and MySQL. Strong version control skills (Git) and experience working with APIs & package managers. Ability to enhance and modernise legacy codebases while ensuring stability. Problem-solving mindset and ability to work efficiently under pressure. A team-or... ... More ❯

and market connectivity—working closely with researchers and PMs to iterate rapidly. The environment is flat, technical, and collaborative, with minimal bureaucracy and no legacy code. Tech: Core stack in C++ and Rust. Open to other OOP backgrounds, however. Custom protocol handling, kernel bypass networking. Strategy evaluation infrastructure and More ❯

Symfony, Vue.js, HTML, SCSS, JavaScript, and MySQL. Strong version control skills (Git) and experience working with APIs & package managers. Ability to enhance and modernise legacy codebases while ensuring stability. Problem-solving mindset and ability to work efficiently under pressure. A team-oriented approach, valuing communication and knowledge-sharing. Passion More ❯

Symfony, Vue.js, HTML, SCSS, JavaScript, and MySQL. Strong version control skills (Git) and experience working with APIs & package managers. Ability to enhance and modernise legacy codebases while ensuring stability. Problem-solving mindset and ability to work efficiently under pressure. A team-oriented approach, valuing communication and knowledge-sharing. Passion More ❯

Symfony, Vue.js, HTML, SCSS, JavaScript, and MySQL. Strong version control skills (Git) and experience working with APIs & package managers. Ability to enhance and modernise legacy codebases while ensuring stability. Problem-solving mindset and ability to work efficiently under pressure. A team-oriented approach, valuing communication and knowledge-sharing. Passion More ❯

youll spend your day Developing and maintaining web applications focused on logistics visibility and tracking within international supply chains. Working on a mix of legacy systems (60%) and greenfield projects (6-18 months). Leading the refactoring of legacy code while ensuring applications run on the latest … of jQuery and JavaScript where needed. What youll bring to this role Strong back-end development experience, ideally with Laravel. Experience working with both legacy systems and greenfield projects. Proficiency in automation QA, particularly with PHP Unit. Ability to lead and improve QA processes within a development team. Knowledge More ❯

and order processing system used by hundreds of clients across the UK. Collaborate closely with the existing development team Assist with the modernisation of legacy code, ensuring stability while preparing the system for future enhancements. Contribute to long-term strategic improvements, including the potential AI integration. Technical Requirements More ❯

commercial experience with .NET (ideally .NET 6 or newer) Solid understanding of Azure cloud services Proficiency with SQL, JavaScript, and Angular Passion for clean code, testing, and modern software practices Why Apply? Be part of a prestigious global brand Work on a fresh greenfield build – no legacy code More ❯

commercial experience with .NET (ideally .NET 6 or newer) Solid understanding of Azure cloud services Proficiency with SQL, JavaScript, and Angular Passion for clean code, testing, and modern software practices Why Apply? Be part of a prestigious global brand Work on a fresh greenfield build – no legacy code More ❯

of must-have tech requirements below! What you'll do: Stay hands-on: Dedicate at least 50% of your time to technical tasks, including code and design reviews, technical kick-offs, legacy code exploration, proof-of-concept development, and incident response. Lead by example: Set the technical … experience in auditing teams codebases, aiming to maintain high standards for security, testability, and to make changes easily; coupled with the ability to make code design decisions for all teams' products. Ability to lead and/or facilitate discussions on application design, and implementation for scaling products to 10x More ❯

of must-have tech requirements below! What you'll do: Stay hands-on: Dedicate at least 50% of your time to technical tasks, including code and design reviews, technical kick-offs, legacy code exploration, proof-of-concept development, and incident response. Lead by example: Set the technical … experience in auditing teams codebases, aiming to maintain high standards for security, testability, and to make changes easily; coupled with the ability to make code design decisions for all teams' products. Ability to lead and/or facilitate discussions on application design, and implementation for scaling products to 10x More ❯

driven team at the forefront of digital innovation – building high-impact web applications used by thousands of users daily. This isn’t about maintaining legacy code or minor UI tweaks. You’ll be hands-on with greenfield features from day one – collaborating closely with product managers, designers, and … take ownership across the full product lifecycle – from shaping concepts and wireframes through to architecture, development, and release – while also raising the bar in code quality, performance, and usability. Frontend Developer – Key Requirements: · Significant experience in a dedicated Frontend Developer or Web Engineer role · Strong commercial experience with modern More ❯

Stack Java Developer to join their highly skilled tech team. You'll be instrumental in building a brand-new trading platform from scratch, no legacy code, no tech debt, just modern tools and real impact. As part of a cross-functional team of experienced engineers and finance professionals … HTML, CSS, and Material UI Knowledge of Docker and container-based deployments AWS cloud experience What’s in it for you? Greenfield build – zero legacy systems Direct product impact – your work powers a flagship trading platform AI-friendly culture – work in a team that embraces innovation Private healthcare + More ❯

Azure cloud environments Solid skills in SQL, JavaScript, and Angular A proactive, solutions-focused mindset Why Join? Be part of a greenfield build – no legacy code Work with a global name on a high-visibility product Hybrid setup: 1 day onsite in Leicester, 4 days remote Benefits package More ❯

Azure cloud environments Solid skills in SQL, JavaScript, and Angular A proactive, solutions-focused mindset Why Join? Be part of a greenfield build - no legacy code Work with a global name on a high-visibility product Hybrid setup: 1 day onsite in Leicester, 4 days remote Benefits package More ❯