7 of 7 Legacy Code Jobs in Warrington

and Material UI (MUI) Solid understanding of Prisma and relational databases like PostgreSQL Familiarity with internal tool development and business-focused UIs Comfort refactoring legacy code and migrating existing queries into structured code Strong communication skills and a collaborative mindset Nice-to-haves Experience with Retool or … other low-code internal tooling platforms Familiarity with Node.js and ideally Next.js (not essential, can be picked up) Previous experience in a fast-moving startup environment What you’ll do: Develop and maintain Fadmin, an internal admin tool built on React-Admin, Prisma, and MUI Collaborate with product and … Optimise application performance and user experience across different teams using Fadmin Work with authentication/authorisation mechanisms (e.g., role-based access) Write clean, maintainable code and contribute to internal documentation Support ongoing improvements to developer experience and internal tooling Why Join Fanvue? A culture that values innovation, ownership, transparency 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 ❯

Manage and mentor a growing team of backend/frontend engineers 🔧 Modern Engineering Environment: Work on a cloud-native, AI-enabled platform with minimal legacy code 💡 Impactful Work: Influence product direction and contribute to scaling mission-critical systems 🌐 Global Reach: Help deliver a platform used by large enterprise … define and execute development processes, sprint planning, and QA workflows Maintain a healthy balance between speed, quality, and technical debt Ensure best practices in code quality, documentation, and DevOps integration Your Profile 4+ years of experience in software engineering, with 1–2+ years in an engineering leadership or management … role Strong technical background (you don’t need to code daily, but should be comfortable leading technical discussions) Proven experience in a SaaS or product-driven environment (B2B a plus) Solid understanding of cloud infrastructure (AWS, GCP), CI/CD workflows, and agile development Interest or experience in AI More ❯

You'll be working on exiting projects with their high-profile end client, offering the chance to work on a variety of modern and legacy systems. You must be an accomplished Contract Angular Full Stack Developer to add value to the project from day one. What You'll Do … Work across the full stack, from dynamic front-end interfaces to robust back-end systems. Play a key role in modernising legacy components while supporting existing business-critical systems Alongside the redevelopment of existing platforms, you will contribute to building new products and functionality. Collaborate with a distributed team … C#/.NET - Server-side development and modern framework experience. Web API's - RESTful API development and integration NET - Willingness to occasionally work with legacy code when necessary TDD- understanding of basic principles to ensure high-quality, maintainable code Are you a Contract Angular Full Stack Developer More ❯

you’ll be an integral part of a small, agile team. They work on a cutting-edge platform that processes millions of visitors. No legacy code here—they’ve fully embraced the cloud-first approach, and almost all their old systems are now happily retired. They’re all More ❯

cross-functional teams to ensure effective delivery and knowledge sharing across the organisation. Support the growth of junior developers through guidance and mentorship. Perform code reviews to uphold high standards of code quality and reinforce best practices. Key Experience Required: Extensive hands-on experience with C++, including deep … high-level languages; Python and C# experience is a plus. Familiarity with CI/CD workflows and tooling. Skilled in working with and modernizing legacy codebases. The Package: Basic annual salary up to £85,000 (dependant on experience) Remote working. Occasional expensed travel for office and home working expenses. More ❯

with cross-functional teams, managing requests and troubleshooting issues Diagnosing problems by consulting with domain experts to broaden technical understanding Maintaining and supporting a legacy system, including its outdated deployment processes Support and enhance the current system, ensuring stability and functionality Implement updates within a legacy codebase, assuming … Refresh technical documentation as and when updates are made to the service Ensure all modifications undergo peer validation before being merged Push all approved code changes to the main project branch Design, execute, and pass feature-level and external API tests as appropriate Revise API documentation in alignment with More ❯