22 of 22 Permanent Legacy Code Jobs in the UK excluding London

Senior Developer PHP/Laravel

Hiring Organisation
Rise Technical Recruitment Limited
Location
Swindon, Wiltshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum, Inc benefits
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 ...

Lead/Senior Embedded Software Engineer

Hiring Organisation
Ivaris
Location
Edinburgh, Scotland, United Kingdom
Senior/Lead Embedded Software Engineer to take ownership of a brand-new hardware development project. This is a clean-slate build with no legacy code, giving you full scope to shape the firmware direction from day one. The company builds advanced technology used by major tech organisations ...

Senior Application Support Developer - £65k

Hiring Organisation
Exalto Consulting ltd
Location
Bradford, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£65,000
than building new features or greenfield systems. If you enjoy problem-solving, working through a Kanban queue, and improving system stability through hands-on code changes, this role is likely to be a good fit. The role You'll work in a Kanban-style environment, picking up tickets raised … line support and taking them through investigation, fix and resolution. Day to day, you'll be debugging and fixing production issues, making small targeted code changes, supporting and maintaining multiple applications, investigating data and reporting issues, working across a mixed and legacy technology estate, and collaborating closely with ...

Laravel PHP Developer

Hiring Organisation
Hays
Location
Worksop, Nottinghamshire, East Midlands, United Kingdom
Employment Type
Permanent
Salary
£50,000
technology. Responsibilities Developing and maintaining Laravel-based internal systems Integrate AI tools into existing platforms to drive automation and insights Supporting the migration of legacy code to modern Laravel practices Collaborating with other departments to scope, plan, and deliver technical solutions Writing clean, well-documented, and testable … code Creating and consuming APIs for third-party integrations (e.g. SAP Business One, 8x8, Zendesk) Working with MSSQL databases Maintaining and improving the company intranet and dashboard tools Debugging and resolving system bugs and user-reported issues Managing version control with Git Writing clear technical documentation and release notes ...

Senior Embedded Software Engineer

Hiring Organisation
Stack-r Ltd t/as Ivaris
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Permanent
Salary
£75,000
Senior/Lead Embedded Software Engineer to take ownership of a brand-new hardware development project. This is a clean-slate build with no legacy code, giving you full scope to shape the firmware direction from day one. The company builds advanced technology used by major tech organisations ...

Senior Embedded Software Engineer

Hiring Organisation
Stack-r Ltd t/as Ivaris
Location
Edinburgh, UK
about this job Scroll down and find out what skills, experience and educational qualifications are needed. This is a clean-slate build with no legacy code, giving you full scope to shape the firmware direction from day one. The company builds advanced technology used by major tech organisations ...

Mid level C#.net developer

Hiring Organisation
Akkodis
Location
Leicester, Leicestershire, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £50,000 per annum
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 ...

Embedded Software Engineer

Hiring Organisation
Kodu
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
real authority to set standards across a regulated, high-impact product portfolio. Scope of the Role: As Embedded Software Engineer, you will stabilise legacy code and shape future architecture across mechatronic devices. You'll partner with electronics, mechanical and manufacturing to deliver reliable control in real products. … impact, direct access to decision makers and the mandate to professionalise standards while keeping products moving. It is hands on mechatronics with purpose, balancing legacy stability and new platform development in a supportive, quality minded environment. How to Apply: Want to find out more? Click the apply button ...

Senior Full-Stack Engineer (R&D & Core Platform)

Hiring Organisation
AUDITSU
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£70,000
that maps the data, and shipping the React UI that visualizes it. Your Mission (The First 3 Months) You are not here to maintain legacy code; you are here to build the "Brain" of the platform. Architect the State Engine: Mobile accessibility testing fails because it lacks context. … First-Principles Thinker: You don't just glue libraries together. You understand why things work. Whether you write the code yourself or review what an LLM generated, you can spot the race condition in the database lock or the inefficiency in the HTTP request immediately. You treat ...

Senior Embedded Software Engineer

Location
Edinburgh, Midlothian, United Kingdom
Senior/Lead Embedded Software Engineer to take ownership of a brand-new hardware development project. This is a clean-slate build with no legacy code, giving you full scope to shape the firmware direction from day one. The company builds advanc... ...

Senior Embedded Software Engineer

Hiring Organisation
Stack-r Ltd t/as Ivaris
Location
Edinburgh, Midlothian, United Kingdom
Employment Type
Permanent
Salary
GBP 75,000 Annual
Senior/Lead Embedded Software Engineer to take ownership of a brand-new hardware development project. This is a clean-slate build with no legacy code, giving you full scope to shape the firmware direction from day one click apply for full job details ...

NetSuite Developer- £75k- Hybrid- Oxfordshire

Hiring Organisation
Nigel Frank International
Location
Oxfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £75,000 per annum
instrumental in helping to accelerate it further. Role & Responsibilities * 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.* NetSuite Data migration, Imports & Exports. Skills & Qualifications 2+ years ...

Senior Developer

Hiring Organisation
tmGroup (UK) Ltd
Location
Swindon, Wiltshire, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
platforms and applications that power the UK Legal and Property sectors. This is a full-stack role where you’ll work across modern and legacy technologies to deliver high-performing, secure, and scalable software. You’ll lead projects end-to-end—from concept to deployment—while championing best practice … strong engineering culture. Working within an Agile environment, you’ll collaborate with Product, Architecture, and cross-functional teams to deliver new features, improve code quality, drive innovation, and continually enhance the developer experience. What you’ll do Design, develop, and maintain high-quality applications using a diverse tech stack ...

Full Stack Developer (PHP, Laravel, JavaScript) - Remote

Hiring Organisation
8 Signals Limited
Location
Bury, Greater Manchester, United Kingdom
driven applications. This is a primarily remote role with a strong full stack experience. Daily tasks include writing and maintaining clean, modular code, collaborating with team members to execute software development projects, and working to ensure optimal performance and scalability of web solutions. The role also involves front … Development with skills in HTML, CSS, JavaScript and jQuery. Supporting Front-end mobile-responsive development and cross-browser compatibility. Comfortable working in existing and legacy codebases. Writing clean, maintainable and well-structured code. Able to work independently in a remote environment. Experience with software testing, including unit or feature ...

Full Stack Developer (PHP, Laravel, JavaScript) - Remote

Hiring Organisation
8 Signals Limited
Location
Leeds, West Yorkshire, United Kingdom
driven applications. This is a primarily remote role with a strong full stack experience. Daily tasks include writing and maintaining clean, modular code, collaborating with team members to execute software development projects, and working to ensure optimal performance and scalability of web solutions. The role also involves front … Development with skills in HTML, CSS, JavaScript and jQuery. Supporting Front-end mobile-responsive development and cross-browser compatibility. Comfortable working in existing and legacy codebases. Writing clean, maintainable and well-structured code. Able to work independently in a remote environment. Experience with software testing, including unit or feature ...

Principal/Senior Embedded Software Engineer

Hiring Organisation
Verso Recruitment Group
Location
Cambridge, England, United Kingdom
robust performance. This role combines hands‐on embedded development with technical leadership, making it perfect for someone who wants to stay close to the code while influencing broader engineering outcomes. Key Responsibilities - Lead the design, development, and maintenance of embedded software in C - Drive technical direction across new projects … updates to existing designs - Conduct and oversee code reviews, ensuring high standards and best practices - Mentor and support junior and mid‐level engineers - Collaborate with hardware, firmware, systems, and product teams to align requirements and resolve issues - Ensure effective use of Git workflows and version control processes - Provide technical ...

.NET Developer (Full Stack)

Hiring Organisation
Pharmica
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £60,000 per annum
C# and .NET 10+ (Minimal APIs, Blazor) Modern frontend: Svelte, Solid, HTMX, Astro, Tailwind CSS MSSQL Server AWS services (S3, CloudFront, Lambda, CloudWatch, WAF) Legacy codebase (VB.NET, .NET Framework 4.8.1, WebForms). We're migrating away and should be done within 12 months, but you'll need to work … it. We want someone who keeps up with the industry, gets excited by new tech, but also isn't afraid to dig into a legacy VB.NET codebase and figure out how to migrate it properly. If you spend your free time tinkering with side projects or reading about ...

Full Stack PHP/Angular Developer

Hiring Organisation
Career Poster
Location
Penrith, Cumbria, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
will the role involve? As a Full Stack Developer, youll be: Developing new features across our Laravel and Angular applications Supporting the modernisation of legacy systems as part of our platform evolution Building APIs and integrations that connect farm data to actionable insights Contributing to architecture discussions and technical … decision-making Collaborating with the team on code reviews, knowledge sharing and continuous improvement Working across multiple products, from our flagship FarmMetrics platform to client-specific solutions What skills are we after? Were looking for a developer with a proven track record of delivering web applications. To be successful ...

Principal Embedded Software Engineer - C

Hiring Organisation
Verso Recruitment Group
Location
Cambridge, Cambourne, Cambridgeshire, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum
robust performance. This role combines hands‑on embedded development with technical leadership, making it perfect for someone who wants to stay close to the code while influencing broader engineering outcomes. Key Responsibilities - Lead the design, development, and maintenance of embedded software in C - Drive technical direction across new projects … updates to existing designs - Conduct and oversee code reviews, ensuring high standards and best practices - Mentor and support junior and mid‑level engineers - Collaborate with hardware, firmware, systems, and product teams to align requirements and resolve issues - Ensure effective use of Git workflows and version control processes - Provide technical ...

Software Engineer

Hiring Organisation
Uniting Ambition
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
£40000 - £55000/annum Bonus, 7% pension and up to 35 days
Company We're a global leader in our sector, trusted by millions worldwide. As part of our ambitious technology transformation, we’re rearchitecting legacy platforms while launching bold new greenfield projects that leverage AI to drive intelligent products and services. This is more than a software engineering role … part of a journey that shapes the future of AI in a real-world, high-impact environment. What You’ll Work On Re-architecting legacy systems into scalable, modern cloud-based solutions (Using GCP) Building greenfield applications from the ground up with a strong AI-first mindset Collaborating with ...

Backend Software Engineer

Hiring Organisation
Reed
Location
Southend-on-Sea, Essex, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £50,000 per annum, Inc benefits
business changes across multiple functions and departments. Day-to-day of the role: Develop, maintain, and refactor backend systems using VB .NET across both legacy and modern environments. Create server-side web applications in ASP.NET, handling routing, middleware, and backend logic. Design and maintain SQL databases, performing optimized CRUD … GitHub or Azure DevOps. Exposure to AI and automation technologies, with experience in integrating AI APIs or automation frameworks. Ability to navigate and improve legacy codebases. Strong documentation practices and effective communication skills. ...

PHP Developer

Hiring Organisation
Nigel Wright Group
Location
Hebburn, Tyne and Wear, England, United Kingdom
Employment Type
Full-Time
Salary
£28,000 - £35,000 per annum
join their development team. This is a fantastic opportunity for someone who enjoys a mix of modern development work and meaningful improvement of legacy systems. The role is hybrid, requiring 2–3 days per week in the Gateshead office, so applicants must be within a commutable distance. Role Withing … will be involved in: Building and improving core application features, including implementing a full search capability to enhance efficiency and data accessibility. Modernising legacy workflows by replacing old PHP-based email processes with API-driven systems, working closely with C# to enhance and develop backend endpoints. Tackling technical debt ...