11 of 11 Permanent Legacy Code Jobs in Birmingham

working closely with internal teams. What you’ll be doing: Developing and maintaining business-critical applications using .NET 6+ and C# Rewriting and improving legacy business logic Collaborating with internal departments to improve and modernise our systems Writing efficient SQL queries and working directly with databases What we’re … looking for: ✅ Strong skills in C# and SQL ✅ Solid experience with .NET 6 or newer ✅ Confident maintaining and refactoring legacy code ✅ Able to work independently with minimal supervision Bonus points for: ⭐ Experience with SQL stored procedures/functions ⭐ Knowledge of REST and GraphQL APIs ⭐ Familiarity with DB2 , SOAP … Stable, growing company in the manufacturing sector 👥 Supportive team environment 📍 Onsite role in Sutton Coldfield If you’re passionate about clean code, improving legacy systems, and building reliable business solutions, we’d love to connect! 👉 Apply now or drop us a message to learn more. #DotNet #CSharp #DeveloperJobs More ❯

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 ❯

for deployment and version control. Primary Backend Language : C#. Database Management : Microsoft SQL Server. Frontend Frameworks : JavaScript, Bootstrap, CSS/SASS. Knowledge of supporting legacy jQuery would be beneficial. Development Practices : We prioritise robust, well-documented code and maintain tight control over our deployment processes using industry standards … C#. Maintain and enhance the use of Microsoft Azure and Microsoft DevOps to support secure, scalable, and efficient deployments. Champion high-quality, well-documented code that adheres to industry best practices. Work as part of a team as well independently on projects. Take ownership of the development process, from … ahead of the curve by exploring new technologies and methods that could improve our work. Make recommendations and implement those recommendations when you detect legacy code that could be improved. About You: You are a creative, problem-solving individual, who is proactively seeking opportunities for personal growth, team More ❯

Stay abreast of the latest developments in C++ and related technologies, contributing to a progressive developer experience • Mentor and coach junior team members • Conduct code reviews, embedding quality and promoting best practices • Collaborate closely with other teams to ensure smooth delivery and knowledge distribution • Promote a balance between business … with multi-threading and complex memory management • Keen interest in continuous improvement and personal development • Experience with CI/CD pipelines • Adept in managing legacy code bases • Experience with higher level languages - specifically Python and C# would be beneficial • Comfortable working across technology domains and software stacks • Strong 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 ❯

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 ❯

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 ❯

into actionable data insights • Collaborating directly with clinical stakeholders to define data requirements • Supporting and optimizing ETL workflows with Informatica IICS • Maintaining and enhancing legacy code and dashboards • Operating as a self-directed team member within a lean, high-impact data team What You'll Need to be More ❯

into actionable data insights • Collaborating directly with clinical stakeholders to define data requirements • Supporting and optimizing ETL workflows with Informatica IICS • Maintaining and enhancing legacy code and dashboards • Operating as a self-directed team member within a lean, high-impact data team What You'll Need to be 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 ❯